FEATURE (encryption): Add backups encryption

This reverts commit 02c735bc5a.

.github/workflows/ci-release.yml

@@ -2,9 +2,9 @@ name: CI and Release
 
 on:
   push:
-    branches: [main]
+    branches: ["**"]
   pull_request:
-    branches: [main]
+    branches: ["**"]
   workflow_dispatch:
 
 jobs:
@@ -127,16 +127,23 @@ jobs:
           TEST_GOOGLE_DRIVE_CLIENT_SECRET=${{ secrets.TEST_GOOGLE_DRIVE_CLIENT_SECRET }}
           TEST_GOOGLE_DRIVE_TOKEN_JSON=${{ secrets.TEST_GOOGLE_DRIVE_TOKEN_JSON }}
           # testing DBs
+          TEST_POSTGRES_12_PORT=5000
           TEST_POSTGRES_13_PORT=5001
           TEST_POSTGRES_14_PORT=5002
           TEST_POSTGRES_15_PORT=5003
           TEST_POSTGRES_16_PORT=5004
           TEST_POSTGRES_17_PORT=5005
+          TEST_POSTGRES_18_PORT=5006
           # testing S3
           TEST_MINIO_PORT=9000
           TEST_MINIO_CONSOLE_PORT=9001
+          # testing Azure Blob
+          TEST_AZURITE_BLOB_PORT=10000
           # testing NAS
-          TEST_NAS_PORT=5006
+          TEST_NAS_PORT=7006
+          # testing Telegram
+          TEST_TELEGRAM_BOT_TOKEN=${{ secrets.TEST_TELEGRAM_BOT_TOKEN }}
+          TEST_TELEGRAM_CHAT_ID=${{ secrets.TEST_TELEGRAM_CHAT_ID }}
           EOF
 
       - name: Start test containers
@@ -150,6 +157,7 @@ jobs:
           timeout 60 bash -c 'until docker exec dev-db pg_isready -h localhost -p 5437 -U postgres; do sleep 2; done'
 
           # Wait for test databases
+          timeout 60 bash -c 'until nc -z localhost 5000; do sleep 2; done'
           timeout 60 bash -c 'until nc -z localhost 5001; do sleep 2; done'
           timeout 60 bash -c 'until nc -z localhost 5002; do sleep 2; done'
           timeout 60 bash -c 'until nc -z localhost 5003; do sleep 2; done'
@@ -159,6 +167,9 @@ jobs:
           # Wait for MinIO
           timeout 60 bash -c 'until nc -z localhost 9000; do sleep 2; done'
 
+          # Wait for Azurite
+          timeout 60 bash -c 'until nc -z localhost 10000; do sleep 2; done'
+
       - name: Create data and temp directories
         run: |
           # Create directories that are used for backups and restore
@@ -181,7 +192,7 @@ jobs:
       - name: Run Go tests
         run: |
           cd backend
-          go test ./internal/...
+          go test -p=1 -count=1 -failfast ./internal/...
 
       - name: Stop test containers
         if: always()

.gitignore

@@ -3,4 +3,5 @@ postgresus-data/
 .env
 pgdata/
 docker-compose.yml
-node_modules/
+node_modules/
+.idea

.pre-commit-config.yaml

@@ -0,0 +1,29 @@
+# Pre-commit configuration
+# See https://pre-commit.com for more information
+repos:
+  # Frontend checks
+  - repo: local
+    hooks:
+      - id: frontend-format
+        name: Frontend Format (Prettier)
+        entry: powershell -Command "cd frontend; npm run format"
+        language: system
+        files: ^frontend/.*\.(ts|tsx|js|jsx|json|css|md)$
+        pass_filenames: false
+
+      - id: frontend-lint
+        name: Frontend Lint (ESLint)
+        entry: powershell -Command "cd frontend; npm run lint"
+        language: system
+        files: ^frontend/.*\.(ts|tsx|js|jsx)$
+        pass_filenames: false
+
+  # Backend checks
+  - repo: local
+    hooks:
+      - id: backend-format-and-lint
+        name: Backend Format & Lint (golangci-lint)
+        entry: powershell -Command "cd backend; golangci-lint fmt; golangci-lint run"
+        language: system
+        files: ^backend/.*\.go$
+        pass_filenames: false

Dockerfile

@@ -13,18 +13,30 @@ COPY frontend/ ./
 
 # Copy .env file (with fallback to .env.production.example)
 RUN if [ ! -f .env ]; then \
-      if [ -f .env.production.example ]; then \
-        cp .env.production.example .env; \
-      fi; \
-    fi
+  if [ -f .env.production.example ]; then \
+  cp .env.production.example .env; \
+  fi; \
+  fi
 
 RUN npm run build
 
 # ========= BUILD BACKEND =========
+# Backend build stage
 FROM --platform=$BUILDPLATFORM golang:1.23.3 AS backend-build
 
-# Install Go public tools needed in runtime
-RUN curl -fsSL https://raw.githubusercontent.com/pressly/goose/master/install.sh | sh
+# Make TARGET args available early so tools built here match the final image arch
+ARG TARGETOS
+ARG TARGETARCH
+
+# Install Go public tools needed in runtime. Use `go build` for goose so the
+# binary is compiled for the target architecture instead of downloading a
+# prebuilt binary which may have the wrong architecture (causes exec format
+# errors on ARM).
+RUN git clone --depth 1 --branch v3.24.3 https://github.com/pressly/goose.git /tmp/goose && \
+  cd /tmp/goose/cmd/goose && \
+  GOOS=${TARGETOS:-linux} GOARCH=${TARGETARCH:-amd64} \
+  go build -o /usr/local/bin/goose . && \
+  rm -rf /tmp/goose
 RUN go install github.com/swaggo/swag/cmd/swag@v1.16.4
 
 # Set working directory
@@ -49,35 +61,38 @@ ARG TARGETOS
 ARG TARGETARCH
 ARG TARGETVARIANT
 RUN CGO_ENABLED=0 \
-    GOOS=$TARGETOS \
-    GOARCH=$TARGETARCH \
-    go build -o /app/main ./cmd/main.go
+  GOOS=$TARGETOS \
+  GOARCH=$TARGETARCH \
+  go build -o /app/main ./cmd/main.go
 
 
 # ========= RUNTIME =========
-FROM --platform=$TARGETPLATFORM debian:bookworm-slim
+FROM debian:bookworm-slim
 
 # Add version metadata to runtime image
 ARG APP_VERSION=dev
 LABEL org.opencontainers.image.version=$APP_VERSION
 ENV APP_VERSION=$APP_VERSION
 
-# Install PostgreSQL server and client tools (versions 13-17)
+# Set production mode for Docker containers
+ENV ENV_MODE=production
+
+# Install PostgreSQL server and client tools (versions 12-18)
 RUN apt-get update && apt-get install -y --no-install-recommends \
-       wget ca-certificates gnupg lsb-release sudo gosu && \
-    wget -qO- https://www.postgresql.org/media/keys/ACCC4CF8.asc | apt-key add - && \
-    echo "deb http://apt.postgresql.org/pub/repos/apt $(lsb_release -cs)-pgdg main" \
-      > /etc/apt/sources.list.d/pgdg.list && \
-    apt-get update && \
-    apt-get install -y --no-install-recommends \
-       postgresql-17 postgresql-client-13 postgresql-client-14 postgresql-client-15 \
-       postgresql-client-16 postgresql-client-17 && \
-    rm -rf /var/lib/apt/lists/*
+  wget ca-certificates gnupg lsb-release sudo gosu && \
+  wget -qO- https://www.postgresql.org/media/keys/ACCC4CF8.asc | apt-key add - && \
+  echo "deb http://apt.postgresql.org/pub/repos/apt $(lsb_release -cs)-pgdg main" \
+  > /etc/apt/sources.list.d/pgdg.list && \
+  apt-get update && \
+  apt-get install -y --no-install-recommends \
+  postgresql-17 postgresql-18 postgresql-client-12 postgresql-client-13 postgresql-client-14 postgresql-client-15 \
+  postgresql-client-16 postgresql-client-17 postgresql-client-18 && \
+  rm -rf /var/lib/apt/lists/*
 
 # Create postgres user and set up directories
 RUN useradd -m -s /bin/bash postgres || true && \
-    mkdir -p /postgresus-data/pgdata && \
-    chown -R postgres:postgres /postgresus-data/pgdata
+  mkdir -p /postgresus-data/pgdata && \
+  chown -R postgres:postgres /postgresus-data/pgdata
 
 WORKDIR /app
 
@@ -96,10 +111,10 @@ COPY --from=backend-build /app/ui/build ./ui/build
 # Copy .env file (with fallback to .env.production.example)
 COPY backend/.env* /app/
 RUN if [ ! -f /app/.env ]; then \
-      if [ -f /app/.env.production.example ]; then \
-        cp /app/.env.production.example /app/.env; \
-      fi; \
-    fi
+  if [ -f /app/.env.production.example ]; then \
+  cp /app/.env.production.example /app/.env; \
+  fi; \
+  fi
 
 # Create startup script
 COPY <<EOF /app/start.sh
@@ -151,8 +166,10 @@ done
 echo "Setting up database and user..."
 gosu postgres \$PG_BIN/psql -p 5437 -h localhost -d postgres << 'SQL'
 ALTER USER postgres WITH PASSWORD 'Q1234567';
-CREATE DATABASE "postgresus" OWNER postgres;
-\q
+SELECT 'CREATE DATABASE postgresus OWNER postgres'
+WHERE NOT EXISTS (SELECT FROM pg_database WHERE datname = 'postgresus')
+\\gexec
+\\q
 SQL
 
 # Start the main application
@@ -168,4 +185,4 @@ EXPOSE 4005
 VOLUME ["/postgresus-data"]
 
 ENTRYPOINT ["/app/start.sh"]
-CMD []
+CMD []

LICENSE

@@ -1,21 +1,202 @@
-MIT License
+                                 Apache License
+                           Version 2.0, January 2004
+                        http://www.apache.org/licenses/
 
-Copyright (c) 2025 Postgresus
+   TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
 
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-in the Software without restriction, including without limitation the rights
-to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-copies of the Software, and to permit persons to whom the Software is
-furnished to do so, subject to the following conditions:
+   1. Definitions.
 
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+   END OF TERMS AND CONDITIONS
+
+   APPENDIX: How to apply the Apache License to your work.
+
+      To apply the Apache License to your work, attach the following
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README.md

@@ -1,15 +1,15 @@
 <div align="center">
   <img src="assets/logo.svg" style="margin-bottom: 20px;" alt="Postgresus Logo" width="250"/>
 
-  <h3>PostgreSQL monitoring and backup</h3>
-  <p>Free, open source and self-hosted solution for automated PostgreSQL monitoring and backups. With multiple storage options and notifications</p>
+  <h3>PostgreSQL backup</h3>
+  <p>Free, open source and self-hosted solution for automated PostgreSQL backups. With multiple storage options and notifications</p>
   
   <!-- Badges -->
-  [![MIT License](https://img.shields.io/badge/license-MIT-blue.svg)](LICENSE)
+  [![Apache 2.0 License](https://img.shields.io/badge/license-Apache%202.0-blue.svg)](LICENSE)
   [![Docker Pulls](https://img.shields.io/docker/pulls/rostislavdugin/postgresus?color=brightgreen)](https://hub.docker.com/r/rostislavdugin/postgresus)
   [![Platform](https://img.shields.io/badge/platform-linux%20%7C%20macos%20%7C%20windows-lightgrey)](https://github.com/RostislavDugin/postgresus)
   
-  [![PostgreSQL](https://img.shields.io/badge/PostgreSQL-13%20%7C%2014%20%7C%2015%20%7C%2016%20%7C%2017-336791?logo=postgresql&logoColor=white)](https://www.postgresql.org/)
+  [![PostgreSQL](https://img.shields.io/badge/PostgreSQL-12%20%7C%2013%20%7C%2014%20%7C%2015%20%7C%2016%20%7C%2017%20%7C%2018-336791?logo=postgresql&logoColor=white)](https://www.postgresql.org/)
   [![Self Hosted](https://img.shields.io/badge/self--hosted-yes-brightgreen)](https://github.com/RostislavDugin/postgresus)
   [![Open Source](https://img.shields.io/badge/open%20source-❤️-red)](https://github.com/RostislavDugin/postgresus)
   
@@ -40,13 +40,13 @@
 - **Precise timing**: run backups at specific times (e.g., 4 AM during low traffic)
 - **Smart compression**: 4-8x space savings with balanced compression (~20% overhead)
 
-### 🗄️ **Multiple Storage Destinations**
+### 🗄️ **Multiple Storage Destinations** <a href="https://postgresus.com/storages">(view supported)</a>
 
 - **Local storage**: Keep backups on your VPS/server
 - **Cloud storage**: S3, Cloudflare R2, Google Drive, NAS, Dropbox and more
 - **Secure**: All data stays under your control
 
-### 📱 **Smart Notifications**
+### 📱 **Smart Notifications** <a href="https://postgresus.com/notifiers">(view supported)</a>
 
 - **Multiple channels**: Email, Telegram, Slack, Discord, webhooks
 - **Real-time updates**: Success and failure notifications
@@ -54,23 +54,31 @@
 
 ### 🐘 **PostgreSQL Support**
 
-- **Multiple versions**: PostgreSQL 13, 14, 15, 16 and 17
+- **Multiple versions**: PostgreSQL 12, 13, 14, 15, 16, 17 and 18
 - **SSL support**: Secure connections available
 - **Easy restoration**: One-click restore from any backup
 
+### 🔒 **Backup Encryption** <a href="https://postgresus.com/encryption">(docs)</a>
+
+- **AES-256-GCM encryption**: Enterprise-grade protection for backup files
+- **Zero-trust storage**: Encrypted backups are useless so you can keep in shared storages like S3, Azure Blob Storage, etc.
+- **Optionality**: Encrypted backups are optional and can be enabled or disabled if you wish
+- **Download unencrypted**: You can still download unencrypted backups via the 'Download' button to use them in `pg_restore` or other tools.
+
+### 👥 **Suitable for Teams** <a href="https://postgresus.com/access-management">(docs)</a>
+
+- **Workspaces**: Group databases, notifiers and storages for different projects or teams
+- **Access management**: Control who can view or manage specific databases with role-based permissions
+- **Audit logs**: Track all system activities and changes made by users
+- **User roles**: Assign viewer, member, admin or owner roles within workspaces
+
 ### 🐳 **Self-Hosted & Secure**
 
 - **Docker-based**: Easy deployment and management
 - **Privacy-first**: All your data stays on your infrastructure
-- **Open source**: MIT licensed, inspect every line of code
+- **Open source**: Apache 2.0 licensed, inspect every line of code
 
-### 📊 **Monitoring & Insights**
-
-- **Real-time metrics**: Track database health
-- **Historical data**: View trends and patterns over time
-- **Alert system**: Get notified when issues are detected
-
-### 📦 Installation
+### 📦 Installation <a href="https://postgresus.com/installation">(docs)</a>
 
 You have three ways to install Postgresus:
 
@@ -124,8 +132,6 @@ This single command will:
 Create a `docker-compose.yml` file with the following configuration:
 
 ```yaml
-version: "3"
-
 services:
   postgresus:
     container_name: postgresus
@@ -155,22 +161,24 @@ docker compose up -d
 6. **Add notifications** (optional): Configure email, Telegram, Slack, or webhook notifications
 7. **Save and start**: Postgresus will validate settings and begin the backup schedule
 
-### 🔑 Resetting Admin Password
+### 🔑 Resetting Password <a href="https://postgresus.com/password">(docs)</a>
 
-If you need to reset the admin password, you can use the built-in password reset command:
+If you need to reset the password, you can use the built-in password reset command:
 
 ```bash
-docker exec -it postgresus ./main --new-password="YourNewSecurePassword123"
+docker exec -it postgresus ./main --new-password="YourNewSecurePassword123" --email="admin"
 ```
 
+Replace `admin` with the actual email address of the user whose password you want to reset.
+
 ---
 
 ## 📝 License
 
-This project is licensed under the MIT License - see the [LICENSE](LICENSE) file for details.
+This project is licensed under the Apache 2.0 License - see the [LICENSE](LICENSE) file for details.
 
 ---
 
 ## 🤝 Contributing
 
-Contributions are welcome! Read [contributing guide](contribute/readme.md) for more details, prioerities and rules are specified there. If you want to contribute, but don't know what and how - message me on Telegram [@rostislav_dugin](https://t.me/rostislav_dugin)
+Contributions are welcome! Read <a href="https://postgresus.com/contributing">contributing guide</a> for more details, prioerities and rules are specified there. If you want to contribute, but don't know what and how - message me on Telegram [@rostislav_dugin](https://t.me/rostislav_dugin)

backend/.cursor/rules/codestyle-rule.mdc

@@ -1,14 +1,152 @@
 ---
-description: 
-globs: 
+description:
+globs:
 alwaysApply: true
 ---
+
 Always place private methods to the bottom of file
 
-Code should look like:
+**This rule applies to ALL Go files including tests, services, controllers, repositories, etc.**
 
-type SomeService struct {
-    func PublicMethod(...) ...
+In Go, exported (public) functions/methods start with uppercase letters, while unexported (private) ones start with lowercase letters.
 
-    func privateMethod(...) ...
-}
+## Structure Order:
+
+1. Type definitions and constants
+2. Public methods/functions (uppercase)
+3. Private methods/functions (lowercase)
+
+## Examples:
+
+### Service with methods:
+
+```go
+type UserService struct {
+    repository *UserRepository
+}
+
+// Public methods first
+func (s *UserService) CreateUser(user *User) error {
+    if err := s.validateUser(user); err != nil {
+        return err
+    }
+    return s.repository.Save(user)
+}
+
+func (s *UserService) GetUser(id uuid.UUID) (*User, error) {
+    return s.repository.FindByID(id)
+}
+
+// Private methods at the bottom
+func (s *UserService) validateUser(user *User) error {
+    if user.Name == "" {
+        return errors.New("name is required")
+    }
+    return nil
+}
+```
+
+### Package-level functions:
+
+```go
+package utils
+
+// Public functions first
+func ProcessData(data []byte) (Result, error) {
+    cleaned := sanitizeInput(data)
+    return parseData(cleaned)
+}
+
+func ValidateInput(input string) bool {
+    return isValidFormat(input) && checkLength(input)
+}
+
+// Private functions at the bottom
+func sanitizeInput(data []byte) []byte {
+    // implementation
+}
+
+func parseData(data []byte) (Result, error) {
+    // implementation
+}
+
+func isValidFormat(input string) bool {
+    // implementation
+}
+
+func checkLength(input string) bool {
+    // implementation
+}
+```
+
+### Test files:
+
+```go
+package user_test
+
+// Public test functions first
+func Test_CreateUser_ValidInput_UserCreated(t *testing.T) {
+    user := createTestUser()
+    result, err := service.CreateUser(user)
+
+    assert.NoError(t, err)
+    assert.NotNil(t, result)
+}
+
+func Test_GetUser_ExistingUser_ReturnsUser(t *testing.T) {
+    user := createTestUser()
+    // test implementation
+}
+
+// Private helper functions at the bottom
+func createTestUser() *User {
+    return &User{
+        Name:  "Test User",
+        Email: "test@example.com",
+    }
+}
+
+func setupTestDatabase() *Database {
+    // setup implementation
+}
+```
+
+### Controller example:
+
+```go
+type ProjectController struct {
+    service *ProjectService
+}
+
+// Public HTTP handlers first
+func (c *ProjectController) CreateProject(ctx *gin.Context) {
+    var request CreateProjectRequest
+    if err := ctx.ShouldBindJSON(&request); err != nil {
+        c.handleError(ctx, err)
+        return
+    }
+    // handler logic
+}
+
+func (c *ProjectController) GetProject(ctx *gin.Context) {
+    projectID := c.extractProjectID(ctx)
+    // handler logic
+}
+
+// Private helper methods at the bottom
+func (c *ProjectController) handleError(ctx *gin.Context, err error) {
+    ctx.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+}
+
+func (c *ProjectController) extractProjectID(ctx *gin.Context) uuid.UUID {
+    return uuid.MustParse(ctx.Param("projectId"))
+}
+```
+
+## Key Points:
+
+- **Exported/Public** = starts with uppercase letter (CreateUser, GetProject)
+- **Unexported/Private** = starts with lowercase letter (validateUser, handleError)
+- This improves code readability by showing the public API first
+- Private helpers are implementation details, so they go at the bottom
+- Apply this rule consistently across ALL Go files in the project

backend/.cursor/rules/comments.mdc

@@ -1,7 +1,45 @@
 ---
-description: 
-globs: 
+description:
+globs:
 alwaysApply: true
 ---
-Do not write obvious comments.
-Write meaningful code, give meaningful names
+
+## Comment Guidelines
+
+1. **No obvious comments** - Don't state what the code already clearly shows
+2. **Functions and variables should have meaningful names** - Code should be self-documenting
+3. **Comments for unclear code only** - Only add comments when code logic isn't immediately clear
+
+## Key Principles:
+
+- **Code should tell a story** - Use descriptive variable and function names
+- **Comments explain WHY, not WHAT** - The code shows what happens, comments explain business logic or complex decisions
+- **Prefer refactoring over commenting** - If code needs explaining, consider making it clearer instead
+- **API documentation is required** - Swagger comments for all HTTP endpoints are mandatory
+- **Complex algorithms deserve comments** - Mathematical formulas, business rules, or non-obvious optimizations
+
+Example of useless comment:
+
+1.
+
+```sql
+// Create projects table
+CREATE TABLE projects (
+    id                    UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+    name                  TEXT NOT NULL,
+    created_at            TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+```
+
+2.
+
+```go
+// Create test project
+project := CreateTestProject(projectName, user, router)
+```
+
+3.
+
+```go
+// CreateValidLogItems creates valid log items for testing
+func CreateValidLogItems(count int, uniqueID string) []logs_receiving.LogItemRequestDTO {
+```

backend/.cursor/rules/controllers-rule.mdc

@@ -1,55 +1,133 @@
 ---
-description: 
-globs: 
+description:
+globs:
 alwaysApply: true
 ---
+
 1. When we write controller:
+
 - we combine all routes to single controller
 - names them as .WhatWeDo (not "handlers") concept
 
-2. We use gin and *gin.Context for all routes.
-Example:
+2. We use gin and \*gin.Context for all routes.
+   Example:
 
 func (c *TasksController) GetAvailableTasks(ctx *gin.Context) ...
 
 3. We document all routes with Swagger in the following format:
 
-// SignIn
-// @Summary Authenticate a user
-// @Description Authenticate a user with email and password
-// @Tags users
-// @Accept json
-// @Produce json
-// @Param request body SignInRequest true "User signin data"
-// @Success 200 {object} SignInResponse
-// @Failure 400
-// @Router /users/signin [post]
+package audit_logs
 
-Do not forget to write docs.
-You can avoid description if it is useless.
-Specify particular acceping \ producing models
+import (
+"net/http"
 
-4. All controllers should have RegisterRoutes method which receives
-RouterGroup (always put this routes on the top of file under controller definition)
+    user_models "postgresus/internal/features/users/models"
 
-Example:
+    "github.com/gin-gonic/gin"
+    "github.com/google/uuid"
 
-func (c *OrderController) RegisterRoutes(router *gin.RouterGroup) {
-	router.POST("/bots/users/orders/generate", c.GenerateOrder)
-	router.POST("/bots/users/orders/generate-by-admin", c.GenerateOrderByAdmin)
-	router.GET("/bots/users/orders/mark-as-paid-by-admin", c.MarkOrderAsPaidByAdmin)
-	router.GET("/bots/users/orders/payments-by-bot", c.GetOrderPaymentsByBot)
-	router.GET("/bots/users/orders/payments-by-user", c.GetOrderPaymentsByUser)
-	router.GET("/bots/users/orders/orders-by-user-for-admin", c.GetOrdersByUserForAdmin)
-	router.POST("/bots/users/orders/orders-by-user-for-user", c.GetOrdersByUserForUser)
-	router.POST("/bots/users/orders/order", c.GetOrder)
-	router.POST("/bots/users/orders/cancel-subscription-by-user", c.CancelSubscriptionByUser)
-	router.GET("/bots/users/orders/cancel-subscription-by-admin", c.CancelSubscriptionByAdmin)
-	router.GET(
-		"/bots/users/orders/cancel-subscriptions-by-payment-option",
-		c.CancelSubscriptionsByPaymentOption,
-	)
+)
+
+type AuditLogController struct {
+auditLogService \*AuditLogService
 }
 
-5. Check that use use valid .Query("param") and .Param("param") methods.
-If route does not have param - use .Query("query")
+func (c *AuditLogController) RegisterRoutes(router *gin.RouterGroup) {
+// All audit log endpoints require authentication (handled in main.go)
+auditRoutes := router.Group("/audit-logs")
+
+    auditRoutes.GET("/global", c.GetGlobalAuditLogs)
+    auditRoutes.GET("/users/:userId", c.GetUserAuditLogs)
+
+}
+
+// GetGlobalAuditLogs
+// @Summary Get global audit logs (ADMIN only)
+// @Description Retrieve all audit logs across the system
+// @Tags audit-logs
+// @Accept json
+// @Produce json
+// @Security BearerAuth
+// @Param limit query int false "Limit number of results" default(100)
+// @Param offset query int false "Offset for pagination" default(0)
+// @Param beforeDate query string false "Filter logs created before this date (RFC3339 format)" format(date-time)
+// @Success 200 {object} GetAuditLogsResponse
+// @Failure 401 {object} map[string]string
+// @Failure 403 {object} map[string]string
+// @Router /audit-logs/global [get]
+func (c *AuditLogController) GetGlobalAuditLogs(ctx *gin.Context) {
+user, isOk := ctx.MustGet("user").(\*user_models.User)
+if !isOk {
+ctx.JSON(http.StatusInternalServerError, gin.H{"error": "Invalid user type in context"})
+return
+}
+
+    request := &GetAuditLogsRequest{}
+    if err := ctx.ShouldBindQuery(request); err != nil {
+    	ctx.JSON(http.StatusBadRequest, gin.H{"error": "Invalid query parameters"})
+    	return
+    }
+
+    response, err := c.auditLogService.GetGlobalAuditLogs(user, request)
+    if err != nil {
+    	if err.Error() == "only administrators can view global audit logs" {
+    		ctx.JSON(http.StatusForbidden, gin.H{"error": err.Error()})
+    		return
+    	}
+    	ctx.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to retrieve audit logs"})
+    	return
+    }
+
+    ctx.JSON(http.StatusOK, response)
+
+}
+
+// GetUserAuditLogs
+// @Summary Get user audit logs
+// @Description Retrieve audit logs for a specific user
+// @Tags audit-logs
+// @Accept json
+// @Produce json
+// @Security BearerAuth
+// @Param userId path string true "User ID"
+// @Param limit query int false "Limit number of results" default(100)
+// @Param offset query int false "Offset for pagination" default(0)
+// @Param beforeDate query string false "Filter logs created before this date (RFC3339 format)" format(date-time)
+// @Success 200 {object} GetAuditLogsResponse
+// @Failure 400 {object} map[string]string
+// @Failure 401 {object} map[string]string
+// @Failure 403 {object} map[string]string
+// @Router /audit-logs/users/{userId} [get]
+func (c *AuditLogController) GetUserAuditLogs(ctx *gin.Context) {
+user, isOk := ctx.MustGet("user").(\*user_models.User)
+if !isOk {
+ctx.JSON(http.StatusInternalServerError, gin.H{"error": "Invalid user type in context"})
+return
+}
+
+    userIDStr := ctx.Param("userId")
+    targetUserID, err := uuid.Parse(userIDStr)
+    if err != nil {
+    	ctx.JSON(http.StatusBadRequest, gin.H{"error": "Invalid user ID"})
+    	return
+    }
+
+    request := &GetAuditLogsRequest{}
+    if err := ctx.ShouldBindQuery(request); err != nil {
+    	ctx.JSON(http.StatusBadRequest, gin.H{"error": "Invalid query parameters"})
+    	return
+    }
+
+    response, err := c.auditLogService.GetUserAuditLogs(targetUserID, user, request)
+    if err != nil {
+    	if err.Error() == "insufficient permissions to view user audit logs" {
+    		ctx.JSON(http.StatusForbidden, gin.H{"error": err.Error()})
+    		return
+    	}
+    	ctx.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to retrieve audit logs"})
+    	return
+    }
+
+    ctx.JSON(http.StatusOK, response)
+
+}

backend/.cursor/rules/crud.mdc

@@ -0,0 +1,671 @@
+---
+alwaysApply: false
+---
+
+This is example of CRUD:
+
+------ backend/internal/features/audit_logs/controller.go ------
+
+```
+package audit_logs
+
+import (
+	"net/http"
+
+	user_models "postgresus/internal/features/users/models"
+
+	"github.com/gin-gonic/gin"
+	"github.com/google/uuid"
+)
+
+type AuditLogController struct {
+	auditLogService *AuditLogService
+}
+
+func (c *AuditLogController) RegisterRoutes(router *gin.RouterGroup) {
+	// All audit log endpoints require authentication (handled in main.go)
+	auditRoutes := router.Group("/audit-logs")
+
+	auditRoutes.GET("/global", c.GetGlobalAuditLogs)
+	auditRoutes.GET("/users/:userId", c.GetUserAuditLogs)
+}
+
+// GetGlobalAuditLogs
+// @Summary Get global audit logs (ADMIN only)
+// @Description Retrieve all audit logs across the system
+// @Tags audit-logs
+// @Accept json
+// @Produce json
+// @Security BearerAuth
+// @Param limit query int false "Limit number of results" default(100)
+// @Param offset query int false "Offset for pagination" default(0)
+// @Param beforeDate query string false "Filter logs created before this date (RFC3339 format)" format(date-time)
+// @Success 200 {object} GetAuditLogsResponse
+// @Failure 401 {object} map[string]string
+// @Failure 403 {object} map[string]string
+// @Router /audit-logs/global [get]
+func (c *AuditLogController) GetGlobalAuditLogs(ctx *gin.Context) {
+	user, isOk := ctx.MustGet("user").(*user_models.User)
+	if !isOk {
+		ctx.JSON(http.StatusInternalServerError, gin.H{"error": "Invalid user type in context"})
+		return
+	}
+
+	request := &GetAuditLogsRequest{}
+	if err := ctx.ShouldBindQuery(request); err != nil {
+		ctx.JSON(http.StatusBadRequest, gin.H{"error": "Invalid query parameters"})
+		return
+	}
+
+	response, err := c.auditLogService.GetGlobalAuditLogs(user, request)
+	if err != nil {
+		if err.Error() == "only administrators can view global audit logs" {
+			ctx.JSON(http.StatusForbidden, gin.H{"error": err.Error()})
+			return
+		}
+		ctx.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to retrieve audit logs"})
+		return
+	}
+
+	ctx.JSON(http.StatusOK, response)
+}
+
+// GetUserAuditLogs
+// @Summary Get user audit logs
+// @Description Retrieve audit logs for a specific user
+// @Tags audit-logs
+// @Accept json
+// @Produce json
+// @Security BearerAuth
+// @Param userId path string true "User ID"
+// @Param limit query int false "Limit number of results" default(100)
+// @Param offset query int false "Offset for pagination" default(0)
+// @Param beforeDate query string false "Filter logs created before this date (RFC3339 format)" format(date-time)
+// @Success 200 {object} GetAuditLogsResponse
+// @Failure 400 {object} map[string]string
+// @Failure 401 {object} map[string]string
+// @Failure 403 {object} map[string]string
+// @Router /audit-logs/users/{userId} [get]
+func (c *AuditLogController) GetUserAuditLogs(ctx *gin.Context) {
+	user, isOk := ctx.MustGet("user").(*user_models.User)
+	if !isOk {
+		ctx.JSON(http.StatusInternalServerError, gin.H{"error": "Invalid user type in context"})
+		return
+	}
+
+	userIDStr := ctx.Param("userId")
+	targetUserID, err := uuid.Parse(userIDStr)
+	if err != nil {
+		ctx.JSON(http.StatusBadRequest, gin.H{"error": "Invalid user ID"})
+		return
+	}
+
+	request := &GetAuditLogsRequest{}
+	if err := ctx.ShouldBindQuery(request); err != nil {
+		ctx.JSON(http.StatusBadRequest, gin.H{"error": "Invalid query parameters"})
+		return
+	}
+
+	response, err := c.auditLogService.GetUserAuditLogs(targetUserID, user, request)
+	if err != nil {
+		if err.Error() == "insufficient permissions to view user audit logs" {
+			ctx.JSON(http.StatusForbidden, gin.H{"error": err.Error()})
+			return
+		}
+		ctx.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to retrieve audit logs"})
+		return
+	}
+
+	ctx.JSON(http.StatusOK, response)
+}
+
+```
+
+------ backend/internal/features/audit_logs/controller_test.go ------
+
+```
+package audit_logs
+
+import (
+	"fmt"
+	"net/http"
+	"testing"
+	"time"
+
+	user_enums "postgresus/internal/features/users/enums"
+	users_middleware "postgresus/internal/features/users/middleware"
+	users_services "postgresus/internal/features/users/services"
+	users_testing "postgresus/internal/features/users/testing"
+	"postgresus/internal/storage"
+	test_utils "postgresus/internal/util/testing"
+
+	"github.com/gin-gonic/gin"
+	"github.com/google/uuid"
+	"github.com/stretchr/testify/assert"
+)
+
+func Test_GetGlobalAuditLogs_AdminSucceedsAndMemberGetsForbidden(t *testing.T) {
+	adminUser := users_testing.CreateTestUser(user_enums.UserRoleAdmin)
+	memberUser := users_testing.CreateTestUser(user_enums.UserRoleMember)
+	router := createRouter()
+	service := GetAuditLogService()
+	projectID := uuid.New()
+
+	// Create test logs
+	createAuditLog(service, "Test log with user", &adminUser.UserID, nil)
+	createAuditLog(service, "Test log with project", nil, &projectID)
+	createAuditLog(service, "Test log standalone", nil, nil)
+
+	// Test ADMIN can access global logs
+	var response GetAuditLogsResponse
+	test_utils.MakeGetRequestAndUnmarshal(t, router,
+		"/api/v1/audit-logs/global?limit=10", "Bearer "+adminUser.Token, http.StatusOK, &response)
+
+	assert.GreaterOrEqual(t, len(response.AuditLogs), 3)
+	assert.GreaterOrEqual(t, response.Total, int64(3))
+
+	messages := extractMessages(response.AuditLogs)
+	assert.Contains(t, messages, "Test log with user")
+	assert.Contains(t, messages, "Test log with project")
+	assert.Contains(t, messages, "Test log standalone")
+
+	// Test MEMBER cannot access global logs
+	resp := test_utils.MakeGetRequest(t, router, "/api/v1/audit-logs/global",
+		"Bearer "+memberUser.Token, http.StatusForbidden)
+	assert.Contains(t, string(resp.Body), "only administrators can view global audit logs")
+}
+
+func Test_GetUserAuditLogs_PermissionsEnforcedCorrectly(t *testing.T) {
+	adminUser := users_testing.CreateTestUser(user_enums.UserRoleAdmin)
+	user1 := users_testing.CreateTestUser(user_enums.UserRoleMember)
+	user2 := users_testing.CreateTestUser(user_enums.UserRoleMember)
+	router := createRouter()
+	service := GetAuditLogService()
+	projectID := uuid.New()
+
+	// Create test logs for different users
+	createAuditLog(service, "Test log user1 first", &user1.UserID, nil)
+	createAuditLog(service, "Test log user1 second", &user1.UserID, &projectID)
+	createAuditLog(service, "Test log user2 first", &user2.UserID, nil)
+	createAuditLog(service, "Test log user2 second", &user2.UserID, &projectID)
+	createAuditLog(service, "Test project log", nil, &projectID)
+
+	// Test ADMIN can view any user's logs
+	var user1Response GetAuditLogsResponse
+	test_utils.MakeGetRequestAndUnmarshal(t, router,
+		fmt.Sprintf("/api/v1/audit-logs/users/%s?limit=10", user1.UserID.String()),
+		"Bearer "+adminUser.Token, http.StatusOK, &user1Response)
+
+	assert.Equal(t, 2, len(user1Response.AuditLogs))
+	messages := extractMessages(user1Response.AuditLogs)
+	assert.Contains(t, messages, "Test log user1 first")
+	assert.Contains(t, messages, "Test log user1 second")
+
+	// Test user can view own logs
+	var ownLogsResponse GetAuditLogsResponse
+	test_utils.MakeGetRequestAndUnmarshal(t, router,
+		fmt.Sprintf("/api/v1/audit-logs/users/%s", user2.UserID.String()),
+		"Bearer "+user2.Token, http.StatusOK, &ownLogsResponse)
+	assert.Equal(t, 2, len(ownLogsResponse.AuditLogs))
+
+	// Test user cannot view other user's logs
+	resp := test_utils.MakeGetRequest(t, router,
+		fmt.Sprintf("/api/v1/audit-logs/users/%s", user1.UserID.String()),
+		"Bearer "+user2.Token, http.StatusForbidden)
+
+	assert.Contains(t, string(resp.Body), "insufficient permissions")
+}
+
+func Test_FilterAuditLogsByTime_ReturnsOnlyLogsBeforeDate(t *testing.T) {
+	adminUser := users_testing.CreateTestUser(user_enums.UserRoleAdmin)
+	router := createRouter()
+	service := GetAuditLogService()
+	db := storage.GetDb()
+	baseTime := time.Now().UTC()
+
+	// Create logs with different timestamps
+	createTimedLog(db, &adminUser.UserID, "Test old log", baseTime.Add(-2*time.Hour))
+	createTimedLog(db, &adminUser.UserID, "Test recent log", baseTime.Add(-30*time.Minute))
+	createAuditLog(service, "Test current log", &adminUser.UserID, nil)
+
+	// Test filtering - get logs before 1 hour ago
+	beforeTime := baseTime.Add(-1 * time.Hour)
+	var filteredResponse GetAuditLogsResponse
+	test_utils.MakeGetRequestAndUnmarshal(t, router,
+		fmt.Sprintf("/api/v1/audit-logs/global?beforeDate=%s", beforeTime.Format(time.RFC3339)),
+		"Bearer "+adminUser.Token, http.StatusOK, &filteredResponse)
+
+	// Verify only old log is returned
+	messages := extractMessages(filteredResponse.AuditLogs)
+	assert.Contains(t, messages, "Test old log")
+	assert.NotContains(t, messages, "Test recent log")
+	assert.NotContains(t, messages, "Test current log")
+
+	// Test without filter - should get all logs
+	var allResponse GetAuditLogsResponse
+	test_utils.MakeGetRequestAndUnmarshal(t, router, "/api/v1/audit-logs/global",
+		"Bearer "+adminUser.Token, http.StatusOK, &allResponse)
+	assert.GreaterOrEqual(t, len(allResponse.AuditLogs), 3)
+}
+
+func createRouter() *gin.Engine {
+	gin.SetMode(gin.TestMode)
+	router := gin.New()
+	SetupDependencies()
+
+	v1 := router.Group("/api/v1")
+	protected := v1.Group("").Use(users_middleware.AuthMiddleware(users_services.GetUserService()))
+	GetAuditLogController().RegisterRoutes(protected.(*gin.RouterGroup))
+
+	return router
+}
+
+```
+
+------ backend/internal/features/audit_logs/di.go ------
+
+```
+package audit_logs
+
+import (
+	users_services "postgresus/internal/features/users/services"
+	"postgresus/internal/util/logger"
+)
+
+var auditLogRepository = &AuditLogRepository{}
+var auditLogService = &AuditLogService{
+	auditLogRepository: auditLogRepository,
+	logger:             logger.GetLogger(),
+}
+var auditLogController = &AuditLogController{
+	auditLogService: auditLogService,
+}
+
+func GetAuditLogService() *AuditLogService {
+	return auditLogService
+}
+
+func GetAuditLogController() *AuditLogController {
+	return auditLogController
+}
+
+func SetupDependencies() {
+	users_services.GetUserService().SetAuditLogWriter(auditLogService)
+	users_services.GetSettingsService().SetAuditLogWriter(auditLogService)
+	users_services.GetManagementService().SetAuditLogWriter(auditLogService)
+}
+
+```
+
+------ backend/internal/features/audit_logs/dto.go ------
+
+```
+package audit_logs
+
+import "time"
+
+type GetAuditLogsRequest struct {
+	Limit      int        `form:"limit"      json:"limit"`
+	Offset     int        `form:"offset"     json:"offset"`
+	BeforeDate *time.Time `form:"beforeDate" json:"beforeDate"`
+}
+
+type GetAuditLogsResponse struct {
+	AuditLogs []*AuditLog `json:"auditLogs"`
+	Total     int64       `json:"total"`
+	Limit     int         `json:"limit"`
+	Offset    int         `json:"offset"`
+}
+
+```
+
+------ backend/internal/features/audit_logs/models.go ------
+
+```
+package audit_logs
+
+import (
+	"time"
+
+	"github.com/google/uuid"
+)
+
+type AuditLog struct {
+	ID        uuid.UUID  `json:"id"        gorm:"column:id"`
+	UserID    *uuid.UUID `json:"userId"    gorm:"column:user_id"`
+	ProjectID *uuid.UUID `json:"projectId" gorm:"column:project_id"`
+	Message   string     `json:"message"   gorm:"column:message"`
+	CreatedAt time.Time  `json:"createdAt" gorm:"column:created_at"`
+}
+
+func (AuditLog) TableName() string {
+	return "audit_logs"
+}
+
+```
+
+------ backend/internal/features/audit_logs/repository.go ------
+
+```
+package audit_logs
+
+import (
+	"postgresus/internal/storage"
+	"time"
+
+	"github.com/google/uuid"
+)
+
+type AuditLogRepository struct{}
+
+func (r *AuditLogRepository) Create(auditLog *AuditLog) error {
+	if auditLog.ID == uuid.Nil {
+		auditLog.ID = uuid.New()
+	}
+
+	return storage.GetDb().Create(auditLog).Error
+}
+
+func (r *AuditLogRepository) GetGlobal(limit, offset int, beforeDate *time.Time) ([]*AuditLog, error) {
+	var auditLogs []*AuditLog
+
+	query := storage.GetDb().Order("created_at DESC")
+
+	if beforeDate != nil {
+		query = query.Where("created_at < ?", *beforeDate)
+	}
+
+	err := query.
+		Limit(limit).
+		Offset(offset).
+		Find(&auditLogs).Error
+
+	return auditLogs, err
+}
+
+func (r *AuditLogRepository) GetByUser(
+	userID uuid.UUID,
+	limit, offset int,
+	beforeDate *time.Time,
+) ([]*AuditLog, error) {
+	var auditLogs []*AuditLog
+
+	query := storage.GetDb().
+		Where("user_id = ?", userID).
+		Order("created_at DESC")
+
+	if beforeDate != nil {
+		query = query.Where("created_at < ?", *beforeDate)
+	}
+
+	err := query.
+		Limit(limit).
+		Offset(offset).
+		Find(&auditLogs).Error
+
+	return auditLogs, err
+}
+
+func (r *AuditLogRepository) GetByProject(
+	projectID uuid.UUID,
+	limit, offset int,
+	beforeDate *time.Time,
+) ([]*AuditLog, error) {
+	var auditLogs []*AuditLog
+
+	query := storage.GetDb().
+		Where("project_id = ?", projectID).
+		Order("created_at DESC")
+
+	if beforeDate != nil {
+		query = query.Where("created_at < ?", *beforeDate)
+	}
+
+	err := query.
+		Limit(limit).
+		Offset(offset).
+		Find(&auditLogs).Error
+
+	return auditLogs, err
+}
+
+func (r *AuditLogRepository) CountGlobal(beforeDate *time.Time) (int64, error) {
+	var count int64
+	query := storage.GetDb().Model(&AuditLog{})
+
+	if beforeDate != nil {
+		query = query.Where("created_at < ?", *beforeDate)
+	}
+
+	err := query.Count(&count).Error
+	return count, err
+}
+
+```
+
+------ backend/internal/features/audit_logs/service.go ------
+
+```
+package audit_logs
+
+import (
+	"errors"
+	"log/slog"
+	"time"
+
+	user_enums "postgresus/internal/features/users/enums"
+	user_models "postgresus/internal/features/users/models"
+
+	"github.com/google/uuid"
+)
+
+type AuditLogService struct {
+	auditLogRepository *AuditLogRepository
+	logger             *slog.Logger
+}
+
+func (s *AuditLogService) WriteAuditLog(
+	message string,
+	userID *uuid.UUID,
+	projectID *uuid.UUID,
+) {
+	auditLog := &AuditLog{
+		UserID:    userID,
+		ProjectID: projectID,
+		Message:   message,
+		CreatedAt: time.Now().UTC(),
+	}
+
+	err := s.auditLogRepository.Create(auditLog)
+	if err != nil {
+		s.logger.Error("failed to create audit log", "error", err)
+		return
+	}
+}
+
+func (s *AuditLogService) CreateAuditLog(auditLog *AuditLog) error {
+	return s.auditLogRepository.Create(auditLog)
+}
+
+func (s *AuditLogService) GetGlobalAuditLogs(
+	user *user_models.User,
+	request *GetAuditLogsRequest,
+) (*GetAuditLogsResponse, error) {
+	if user.Role != user_enums.UserRoleAdmin {
+		return nil, errors.New("only administrators can view global audit logs")
+	}
+
+	limit := request.Limit
+	if limit <= 0 || limit > 1000 {
+		limit = 100
+	}
+
+	offset := max(request.Offset, 0)
+
+	auditLogs, err := s.auditLogRepository.GetGlobal(limit, offset, request.BeforeDate)
+	if err != nil {
+		return nil, err
+	}
+
+	total, err := s.auditLogRepository.CountGlobal(request.BeforeDate)
+	if err != nil {
+		return nil, err
+	}
+
+	return &GetAuditLogsResponse{
+		AuditLogs: auditLogs,
+		Total:     total,
+		Limit:     limit,
+		Offset:    offset,
+	}, nil
+}
+
+func (s *AuditLogService) GetUserAuditLogs(
+	targetUserID uuid.UUID,
+	user *user_models.User,
+	request *GetAuditLogsRequest,
+) (*GetAuditLogsResponse, error) {
+	// Users can view their own logs, ADMIN can view any user's logs
+	if user.Role != user_enums.UserRoleAdmin && user.ID != targetUserID {
+		return nil, errors.New("insufficient permissions to view user audit logs")
+	}
+
+	limit := request.Limit
+	if limit <= 0 || limit > 1000 {
+		limit = 100
+	}
+
+	offset := max(request.Offset, 0)
+
+	auditLogs, err := s.auditLogRepository.GetByUser(targetUserID, limit, offset, request.BeforeDate)
+	if err != nil {
+		return nil, err
+	}
+
+	return &GetAuditLogsResponse{
+		AuditLogs: auditLogs,
+		Total:     int64(len(auditLogs)),
+		Limit:     limit,
+		Offset:    offset,
+	}, nil
+}
+
+func (s *AuditLogService) GetProjectAuditLogs(
+	projectID uuid.UUID,
+	request *GetAuditLogsRequest,
+) (*GetAuditLogsResponse, error) {
+	limit := request.Limit
+	if limit <= 0 || limit > 1000 {
+		limit = 100
+	}
+
+	offset := max(request.Offset, 0)
+
+	auditLogs, err := s.auditLogRepository.GetByProject(projectID, limit, offset, request.BeforeDate)
+	if err != nil {
+		return nil, err
+	}
+
+	return &GetAuditLogsResponse{
+		AuditLogs: auditLogs,
+		Total:     int64(len(auditLogs)),
+		Limit:     limit,
+		Offset:    offset,
+	}, nil
+}
+
+```
+
+------ backend/internal/features/audit_logs/service_test.go ------
+
+```
+package audit_logs
+
+import (
+	"testing"
+	"time"
+
+	user_enums "postgresus/internal/features/users/enums"
+	users_testing "postgresus/internal/features/users/testing"
+
+	"github.com/google/uuid"
+	"github.com/stretchr/testify/assert"
+	"gorm.io/gorm"
+)
+
+func Test_AuditLogs_ProjectSpecificLogs(t *testing.T) {
+	service := GetAuditLogService()
+	user1 := users_testing.CreateTestUser(user_enums.UserRoleMember)
+	user2 := users_testing.CreateTestUser(user_enums.UserRoleMember)
+	project1ID, project2ID := uuid.New(), uuid.New()
+
+	// Create test logs for projects
+	createAuditLog(service, "Test project1 log first", &user1.UserID, &project1ID)
+	createAuditLog(service, "Test project1 log second", &user2.UserID, &project1ID)
+	createAuditLog(service, "Test project2 log first", &user1.UserID, &project2ID)
+	createAuditLog(service, "Test project2 log second", &user2.UserID, &project2ID)
+	createAuditLog(service, "Test no project log", &user1.UserID, nil)
+
+	request := &GetAuditLogsRequest{Limit: 10, Offset: 0}
+
+	// Test project 1 logs
+	project1Response, err := service.GetProjectAuditLogs(project1ID, request)
+	assert.NoError(t, err)
+	assert.Equal(t, 2, len(project1Response.AuditLogs))
+
+	messages := extractMessages(project1Response.AuditLogs)
+	assert.Contains(t, messages, "Test project1 log first")
+	assert.Contains(t, messages, "Test project1 log second")
+	for _, log := range project1Response.AuditLogs {
+		assert.Equal(t, &project1ID, log.ProjectID)
+	}
+
+	// Test project 2 logs
+	project2Response, err := service.GetProjectAuditLogs(project2ID, request)
+	assert.NoError(t, err)
+	assert.Equal(t, 2, len(project2Response.AuditLogs))
+
+	messages2 := extractMessages(project2Response.AuditLogs)
+	assert.Contains(t, messages2, "Test project2 log first")
+	assert.Contains(t, messages2, "Test project2 log second")
+
+	// Test pagination
+	limitedResponse, err := service.GetProjectAuditLogs(project1ID,
+		&GetAuditLogsRequest{Limit: 1, Offset: 0})
+	assert.NoError(t, err)
+	assert.Equal(t, 1, len(limitedResponse.AuditLogs))
+	assert.Equal(t, 1, limitedResponse.Limit)
+
+	// Test beforeDate filter
+	beforeTime := time.Now().UTC().Add(-1 * time.Minute)
+	filteredResponse, err := service.GetProjectAuditLogs(project1ID,
+		&GetAuditLogsRequest{Limit: 10, BeforeDate: &beforeTime})
+	assert.NoError(t, err)
+	for _, log := range filteredResponse.AuditLogs {
+		assert.True(t, log.CreatedAt.Before(beforeTime))
+	}
+}
+
+func createAuditLog(service *AuditLogService, message string, userID, projectID *uuid.UUID) {
+	service.WriteAuditLog(message, userID, projectID)
+}
+
+func extractMessages(logs []*AuditLog) []string {
+	messages := make([]string, len(logs))
+	for i, log := range logs {
+		messages[i] = log.Message
+	}
+	return messages
+}
+
+func createTimedLog(db *gorm.DB, userID *uuid.UUID, message string, createdAt time.Time) {
+	log := &AuditLog{
+		ID:        uuid.New(),
+		UserID:    userID,
+		Message:   message,
+		CreatedAt: createdAt,
+	}
+	db.Create(log)
+}
+
+```

backend/.cursor/rules/refactor.mdc

@@ -0,0 +1,12 @@
+---
+description:
+globs:
+alwaysApply: true
+---
+
+When applying changes, do not forget to refactor old code.
+
+You can shortify, make more readable, improve code quality, etc.
+Common logic can be extracted to functions, constants, files, etc.
+
+After each large change with more than ~50-100 lines of code - always run `make lint` (from backend root folder).

backend/.cursor/rules/tests.mdc

@@ -1,12 +1,147 @@
 ---
-description: 
-globs: 
+description:
+globs:
 alwaysApply: true
 ---
-Write tests names in the format:
 
-Test_WhatWeDo_WhatWeExpect
+After writing tests, always launch them and verify that they pass.
 
-Example:
-- Test_TestConnection_ConnectionSucceeds
-- Test_SaveNewStorage_StorageReturnedViaGet
+## Test Naming Format
+
+Use these naming patterns:
+
+- `Test_WhatWeDo_WhatWeExpect`
+- `Test_WhatWeDo_WhichConditions_WhatWeExpect`
+
+## Examples from Real Codebase:
+
+- `Test_CreateApiKey_WhenUserIsProjectOwner_ApiKeyCreated`
+- `Test_UpdateProject_WhenUserIsProjectAdmin_ProjectUpdated`
+- `Test_DeleteApiKey_WhenUserIsProjectMember_ReturnsForbidden`
+- `Test_GetProjectAuditLogs_WithDifferentUserRoles_EnforcesPermissionsCorrectly`
+- `Test_ProjectLifecycleE2E_CompletesSuccessfully`
+
+## Testing Philosophy
+
+**Prefer Controllers Over Unit Tests:**
+
+- Test through HTTP endpoints via controllers whenever possible
+- Avoid testing repositories, services in isolation - test via API instead
+- Only use unit tests for complex model logic when no API exists
+- Name test files `controller_test.go` or `service_test.go`, not `integration_test.go`
+
+**Extract Common Logic to Testing Utilities:**
+
+- Create `testing.go` or `testing/testing.go` files for shared test utilities
+- Extract router creation, user setup, models creation helpers (in API, not just structs creation)
+- Reuse common patterns across different test files
+
+**Refactor Existing Tests:**
+
+- When working with existing tests, always look for opportunities to refactor and improve
+- Extract repetitive setup code to common utilities
+- Simplify complex tests by breaking them into smaller, focused tests
+- Replace inline test data creation with reusable helper functions
+- Consolidate similar test patterns across different test files
+- Make tests more readable and maintainable for other developers
+
+## Testing Utilities Structure
+
+**Create `testing.go` or `testing/testing.go` files with common utilities:**
+
+```go
+package projects_testing
+
+// CreateTestRouter creates unified router for all controllers
+func CreateTestRouter(controllers ...ControllerInterface) *gin.Engine {
+	gin.SetMode(gin.TestMode)
+	router := gin.New()
+	v1 := router.Group("/api/v1")
+	protected := v1.Group("").Use(users_middleware.AuthMiddleware(users_services.GetUserService()))
+
+	for _, controller := range controllers {
+		if routerGroup, ok := protected.(*gin.RouterGroup); ok {
+			controller.RegisterRoutes(routerGroup)
+		}
+	}
+	return router
+}
+
+// CreateTestProjectViaAPI creates project through HTTP API
+func CreateTestProjectViaAPI(name string, owner *users_dto.SignInResponseDTO, router *gin.Engine) (*projects_models.Project, string) {
+	request := projects_dto.CreateProjectRequestDTO{Name: name}
+	w := MakeAPIRequest(router, "POST", "/api/v1/projects", "Bearer "+owner.Token, request)
+	// Handle response...
+	return project, owner.Token
+}
+
+// AddMemberToProject adds member via API call
+func AddMemberToProject(project *projects_models.Project, member *users_dto.SignInResponseDTO, role users_enums.ProjectRole, ownerToken string, router *gin.Engine) {
+	// Implementation...
+}
+```
+
+## Controller Test Examples
+
+**Permission-based testing:**
+
+```go
+func Test_CreateApiKey_WhenUserIsProjectOwner_ApiKeyCreated(t *testing.T) {
+	router := CreateApiKeyTestRouter(GetProjectController(), GetMembershipController())
+	owner := users_testing.CreateTestUser(users_enums.UserRoleMember)
+	project, _ := projects_testing.CreateTestProjectViaAPI("Test Project", owner, router)
+
+	request := CreateApiKeyRequestDTO{Name: "Test API Key"}
+	var response ApiKey
+	test_utils.MakePostRequestAndUnmarshal(t, router, "/api/v1/projects/api-keys/"+project.ID.String(), "Bearer "+owner.Token, request, http.StatusOK, &response)
+
+	assert.Equal(t, "Test API Key", response.Name)
+	assert.NotEmpty(t, response.Token)
+}
+```
+
+**Cross-project security testing:**
+
+```go
+func Test_UpdateApiKey_WithApiKeyFromDifferentProject_ReturnsBadRequest(t *testing.T) {
+	router := CreateApiKeyTestRouter(GetProjectController(), GetMembershipController())
+	owner1 := users_testing.CreateTestUser(users_enums.UserRoleMember)
+	owner2 := users_testing.CreateTestUser(users_enums.UserRoleMember)
+	project1, _ := projects_testing.CreateTestProjectViaAPI("Project 1", owner1, router)
+	project2, _ := projects_testing.CreateTestProjectViaAPI("Project 2", owner2, router)
+
+	apiKey := CreateTestApiKey("Cross Project Key", project1.ID, owner1.Token, router)
+
+	// Try to update via different project endpoint
+	request := UpdateApiKeyRequestDTO{Name: &"Hacked Key"}
+	resp := test_utils.MakePutRequest(t, router, "/api/v1/projects/api-keys/"+project2.ID.String()+"/"+apiKey.ID.String(), "Bearer "+owner2.Token, request, http.StatusBadRequest)
+
+	assert.Contains(t, string(resp.Body), "API key does not belong to this project")
+}
+```
+
+**E2E lifecycle testing:**
+
+```go
+func Test_ProjectLifecycleE2E_CompletesSuccessfully(t *testing.T) {
+	router := projects_testing.CreateTestRouter(GetProjectController(), GetMembershipController())
+
+	// 1. Create project
+	owner := users_testing.CreateTestUser(users_enums.UserRoleMember)
+	project := projects_testing.CreateTestProject("E2E Project", owner, router)
+
+	// 2. Add member
+	member := users_testing.CreateTestUser(users_enums.UserRoleMember)
+	projects_testing.AddMemberToProject(project, member, users_enums.ProjectRoleMember, owner.Token, router)
+
+	// 3. Promote to admin
+	projects_testing.ChangeMemberRole(project, member.UserID, users_enums.ProjectRoleAdmin, owner.Token, router)
+
+	// 4. Transfer ownership
+	projects_testing.TransferProjectOwnership(project, member.UserID, owner.Token, router)
+
+	// 5. Verify new owner can manage project
+	finalProject := projects_testing.GetProject(project.ID, member.Token, router)
+	assert.Equal(t, project.ID, finalProject.ID)
+}
+```

backend/.env.development.example

@@ -17,13 +17,20 @@ TEST_GOOGLE_DRIVE_CLIENT_ID=
 TEST_GOOGLE_DRIVE_CLIENT_SECRET=
 TEST_GOOGLE_DRIVE_TOKEN_JSON="{\"access_token\":\"ya29..."
 # testing DBs
+TEST_POSTGRES_12_PORT=5000
 TEST_POSTGRES_13_PORT=5001
 TEST_POSTGRES_14_PORT=5002
 TEST_POSTGRES_15_PORT=5003
 TEST_POSTGRES_16_PORT=5004
 TEST_POSTGRES_17_PORT=5005
+TEST_POSTGRES_18_PORT=5006
 # testing S3
 TEST_MINIO_PORT=9000
 TEST_MINIO_CONSOLE_PORT=9001
 # testing NAS
-TEST_NAS_PORT=5006
+TEST_NAS_PORT=7006
+# testing Telegram
+TEST_TELEGRAM_BOT_TOKEN=
+TEST_TELEGRAM_CHAT_ID=
+# testing Azure Blob Storage
+TEST_AZURITE_BLOB_PORT=10000

backend/.gitignore

@@ -12,4 +12,5 @@ swagger/swagger.yaml
 postgresus-backend.exe
 ui/build/*
 pgdata-for-restore/
-temp/
+temp/
+cmd.exe

backend/Makefile

@@ -0,0 +1,20 @@
+run:
+	go run cmd/main.go
+
+test:
+	go test -p=1 -count=1 -failfast .\internal\...
+
+lint:
+	golangci-lint fmt && golangci-lint run
+
+migration-create:
+	goose create $(name) sql
+
+migration-up:
+	goose up
+
+migration-down:
+	goose down
+
+swagger:
+	swag init -g ./cmd/main.go -o swagger

backend/README.md

@@ -9,44 +9,39 @@ instead of postgresus-db from docker-compose.yml in the root folder.
 
 # Run
 
-To build:
-
-> go build /cmd/main.go
-
 To run:
 
-> go run /cmd/main.go
+> make run
 
 To run tests:
 
-> go test ./internal/... 
+> make test
 
 Before commit (make sure `golangci-lint` is installed):
 
-> golangci-lint fmt
-> golangci-lint run
+> make lint
 
 # Migrations
 
 To create migration:
 
-> goose create MIGRATION_NAME sql
+> make migration-create name=MIGRATION_NAME
 
 To run migrations:
 
-> goose up
+> make migration-up
 
 If latest migration failed:
 
 To rollback on migration:
 
-> goose down
+> make migration-down
 
 # Swagger
 
 To generate swagger docs:
 
-> swag init -g .\cmd\main.go -o swagger
+> make swagger
 
 Swagger URL is:
 

backend/cmd/main.go

@@ -13,7 +13,7 @@ import (
 	"time"
 
 	"postgresus-backend/internal/config"
-	"postgresus-backend/internal/downdetect"
+	"postgresus-backend/internal/features/audit_logs"
 	"postgresus-backend/internal/features/backups/backups"
 	backups_config "postgresus-backend/internal/features/backups/config"
 	"postgresus-backend/internal/features/databases"
@@ -24,7 +24,10 @@ import (
 	"postgresus-backend/internal/features/restores"
 	"postgresus-backend/internal/features/storages"
 	system_healthcheck "postgresus-backend/internal/features/system/healthcheck"
-	"postgresus-backend/internal/features/users"
+	users_controllers "postgresus-backend/internal/features/users/controllers"
+	users_middleware "postgresus-backend/internal/features/users/middleware"
+	users_services "postgresus-backend/internal/features/users/services"
+	workspaces_controllers "postgresus-backend/internal/features/workspaces/controllers"
 	env_utils "postgresus-backend/internal/util/env"
 	files_utils "postgresus-backend/internal/util/files"
 	"postgresus-backend/internal/util/logger"
@@ -61,13 +64,14 @@ func main() {
 		os.Exit(1)
 	}
 
-	// Handle password reset if flag is provided
-	newPassword := flag.String("new-password", "", "Set a new password for the user")
-	flag.Parse()
-	if *newPassword != "" {
-		resetPassword(*newPassword, log)
+	err = users_services.GetUserService().CreateInitialAdmin()
+	if err != nil {
+		log.Error("Failed to create initial admin", "error", err)
+		os.Exit(1)
 	}
 
+	handlePasswordReset(log)
+
 	go generateSwaggerDocs(log)
 
 	gin.SetMode(gin.ReleaseMode)
@@ -91,11 +95,33 @@ func main() {
 	startServerWithGracefulShutdown(log, ginApp)
 }
 
-func resetPassword(newPassword string, log *slog.Logger) {
+func handlePasswordReset(log *slog.Logger) {
+	audit_logs.SetupDependencies()
+
+	newPassword := flag.String("new-password", "", "Set a new password for the user")
+	email := flag.String("email", "", "Email of the user to reset password")
+
+	flag.Parse()
+
+	if *newPassword == "" {
+		return
+	}
+
+	log.Info("Found reset password command - reseting password...")
+
+	if *email == "" {
+		log.Info("No email provided, please provide an email via --email=\"some@email.com\" flag")
+		os.Exit(1)
+	}
+
+	resetPassword(*email, *newPassword, log)
+}
+
+func resetPassword(email string, newPassword string, log *slog.Logger) {
 	log.Info("Resetting password...")
 
-	userService := users.GetUserService()
-	err := userService.ChangePassword(newPassword)
+	userService := users_services.GetUserService()
+	err := userService.ChangeUserPasswordByEmail(email, newPassword)
 	if err != nil {
 		log.Error("Failed to reset password", "error", err)
 		os.Exit(1)
@@ -146,38 +172,44 @@ func setUpRoutes(r *gin.Engine) {
 	// Mount Swagger UI
 	v1.GET("/docs/swagger/*any", ginSwagger.WrapHandler(swaggerFiles.Handler))
 
-	downdetectContoller := downdetect.GetDowndetectController()
-	userController := users.GetUserController()
-	notifierController := notifiers.GetNotifierController()
-	storageController := storages.GetStorageController()
-	databaseController := databases.GetDatabaseController()
-	backupController := backups.GetBackupController()
-	restoreController := restores.GetRestoreController()
-	healthcheckController := system_healthcheck.GetHealthcheckController()
-	healthcheckConfigController := healthcheck_config.GetHealthcheckConfigController()
-	healthcheckAttemptController := healthcheck_attempt.GetHealthcheckAttemptController()
-	diskController := disk.GetDiskController()
-	backupConfigController := backups_config.GetBackupConfigController()
-
-	downdetectContoller.RegisterRoutes(v1)
+	// Public routes (only user auth routes and healthcheck should be public)
+	userController := users_controllers.GetUserController()
 	userController.RegisterRoutes(v1)
-	notifierController.RegisterRoutes(v1)
-	storageController.RegisterRoutes(v1)
-	databaseController.RegisterRoutes(v1)
-	backupController.RegisterRoutes(v1)
-	restoreController.RegisterRoutes(v1)
-	healthcheckController.RegisterRoutes(v1)
-	diskController.RegisterRoutes(v1)
-	healthcheckConfigController.RegisterRoutes(v1)
-	healthcheckAttemptController.RegisterRoutes(v1)
-	backupConfigController.RegisterRoutes(v1)
+	system_healthcheck.GetHealthcheckController().RegisterRoutes(v1)
+
+	// Setup auth middleware
+	userService := users_services.GetUserService()
+	authMiddleware := users_middleware.AuthMiddleware(userService)
+
+	// Protected routes
+	protected := v1.Group("")
+	protected.Use(authMiddleware)
+
+	userController.RegisterProtectedRoutes(protected)
+	workspaces_controllers.GetWorkspaceController().RegisterRoutes(protected)
+	workspaces_controllers.GetMembershipController().RegisterRoutes(protected)
+	disk.GetDiskController().RegisterRoutes(protected)
+	notifiers.GetNotifierController().RegisterRoutes(protected)
+	storages.GetStorageController().RegisterRoutes(protected)
+	databases.GetDatabaseController().RegisterRoutes(protected)
+	backups.GetBackupController().RegisterRoutes(protected)
+	restores.GetRestoreController().RegisterRoutes(protected)
+	healthcheck_config.GetHealthcheckConfigController().RegisterRoutes(protected)
+	healthcheck_attempt.GetHealthcheckAttemptController().RegisterRoutes(protected)
+	backups_config.GetBackupConfigController().RegisterRoutes(protected)
+	audit_logs.GetAuditLogController().RegisterRoutes(protected)
+	users_controllers.GetManagementController().RegisterRoutes(protected)
+	users_controllers.GetSettingsController().RegisterRoutes(protected)
 }
 
 func setUpDependencies() {
-	backups.SetupDependencies()
+	databases.SetupDependencies()
 	backups.SetupDependencies()
 	restores.SetupDependencies()
 	healthcheck_config.SetupDependencies()
+	audit_logs.SetupDependencies()
+	notifiers.SetupDependencies()
+	storages.SetupDependencies()
 }
 
 func runBackgroundTasks(log *slog.Logger) {
@@ -197,7 +229,7 @@ func runBackgroundTasks(log *slog.Logger) {
 	})
 
 	go runWithPanicLogging(log, "healthcheck attempt background service", func() {
-		healthcheck_attempt.GetHealthcheckAttemptBackgroundService().RunBackgroundTasks()
+		healthcheck_attempt.GetHealthcheckAttemptBackgroundService().Run()
 	})
 }
 

backend/docker-compose.yml.example

@@ -31,7 +31,26 @@ services:
     container_name: test-minio
     command: server /data --console-address ":9001"
 
+  # Test Azurite container
+  test-azurite:
+    image: mcr.microsoft.com/azure-storage/azurite
+    ports:
+      - "${TEST_AZURITE_BLOB_PORT:-10000}:10000"
+    container_name: test-azurite
+    command: azurite-blob --blobHost 0.0.0.0
+
   # Test PostgreSQL containers
+  test-postgres-12:
+    image: postgres:12
+    ports:
+      - "${TEST_POSTGRES_12_PORT}:5432"
+    environment:
+      - POSTGRES_DB=testdb
+      - POSTGRES_USER=testuser
+      - POSTGRES_PASSWORD=testpassword
+    container_name: test-postgres-12
+    shm_size: 1gb
+
   test-postgres-13:
     image: postgres:13
     ports:
@@ -87,6 +106,17 @@ services:
     container_name: test-postgres-17
     shm_size: 1gb
 
+  test-postgres-18:
+    image: postgres:18
+    ports:
+      - "${TEST_POSTGRES_18_PORT}:5432"
+    environment:
+      - POSTGRES_DB=testdb
+      - POSTGRES_USER=testuser
+      - POSTGRES_PASSWORD=testpassword
+    container_name: test-postgres-18
+    shm_size: 1gb
+
   # Test NAS server (Samba)
   test-nas:
     image: dperson/samba:latest

backend/go.mod

@@ -3,6 +3,8 @@ module postgresus-backend
 go 1.23.3
 
 require (
+	github.com/Azure/azure-sdk-for-go/sdk/azcore v1.20.0
+	github.com/Azure/azure-sdk-for-go/sdk/storage/azblob v1.6.3
 	github.com/gin-contrib/cors v1.7.5
 	github.com/gin-contrib/gzip v1.2.3
 	github.com/gin-gonic/gin v1.10.0
@@ -15,16 +17,18 @@ require (
 	github.com/lib/pq v1.10.9
 	github.com/minio/minio-go/v7 v7.0.92
 	github.com/shirou/gopsutil/v4 v4.25.5
-	github.com/stretchr/testify v1.10.0
+	github.com/stretchr/testify v1.11.1
 	github.com/swaggo/files v1.0.1
 	github.com/swaggo/gin-swagger v1.6.0
 	github.com/swaggo/swag v1.16.4
-	golang.org/x/crypto v0.39.0
+	golang.org/x/crypto v0.41.0
 	golang.org/x/time v0.12.0
 	gorm.io/driver/postgres v1.5.11
 	gorm.io/gorm v1.26.1
 )
 
+require github.com/Azure/azure-sdk-for-go/sdk/internal v1.11.2 // indirect
+
 require (
 	cloud.google.com/go/auth v0.16.2 // indirect
 	cloud.google.com/go/auth/oauth2adapt v0.2.8 // indirect
@@ -99,12 +103,12 @@ require (
 	go.opentelemetry.io/otel/metric v1.36.0 // indirect
 	go.opentelemetry.io/otel/trace v1.36.0 // indirect
 	golang.org/x/arch v0.17.0 // indirect
-	golang.org/x/net v0.41.0 // indirect
+	golang.org/x/net v0.43.0 // indirect
 	golang.org/x/oauth2 v0.30.0
-	golang.org/x/sync v0.15.0 // indirect
-	golang.org/x/sys v0.33.0 // indirect
-	golang.org/x/text v0.26.0 // indirect
-	golang.org/x/tools v0.33.0 // indirect
+	golang.org/x/sync v0.16.0 // indirect
+	golang.org/x/sys v0.35.0 // indirect
+	golang.org/x/text v0.28.0 // indirect
+	golang.org/x/tools v0.35.0 // indirect
 	google.golang.org/api v0.239.0
 	google.golang.org/protobuf v1.36.6 // indirect
 	gopkg.in/yaml.v2 v2.4.0 // indirect

backend/go.sum

@@ -6,6 +6,18 @@ cloud.google.com/go/compute/metadata v0.7.0 h1:PBWF+iiAerVNe8UCHxdOt6eHLVc3ydFeO
 cloud.google.com/go/compute/metadata v0.7.0/go.mod h1:j5MvL9PprKL39t166CoB1uVHfQMs4tFQZZcKwksXUjo=
 filippo.io/edwards25519 v1.1.0 h1:FNf4tywRC1HmFuKW5xopWpigGjJKiJSV0Cqo0cJWDaA=
 filippo.io/edwards25519 v1.1.0/go.mod h1:BxyFTGdWcka3PhytdK4V28tE5sGfRvvvRV7EaN4VDT4=
+github.com/Azure/azure-sdk-for-go/sdk/azcore v1.20.0 h1:JXg2dwJUmPB9JmtVmdEB16APJ7jurfbY5jnfXpJoRMc=
+github.com/Azure/azure-sdk-for-go/sdk/azcore v1.20.0/go.mod h1:YD5h/ldMsG0XiIw7PdyNhLxaM317eFh5yNLccNfGdyw=
+github.com/Azure/azure-sdk-for-go/sdk/azidentity v1.13.0 h1:KpMC6LFL7mqpExyMC9jVOYRiVhLmamjeZfRsUpB7l4s=
+github.com/Azure/azure-sdk-for-go/sdk/azidentity v1.13.0/go.mod h1:J7MUC/wtRpfGVbQ5sIItY5/FuVWmvzlY21WAOfQnq/I=
+github.com/Azure/azure-sdk-for-go/sdk/internal v1.11.2 h1:9iefClla7iYpfYWdzPCRDozdmndjTm8DXdpCzPajMgA=
+github.com/Azure/azure-sdk-for-go/sdk/internal v1.11.2/go.mod h1:XtLgD3ZD34DAaVIIAyG3objl5DynM3CQ/vMcbBNJZGI=
+github.com/Azure/azure-sdk-for-go/sdk/resourcemanager/storage/armstorage v1.8.1 h1:/Zt+cDPnpC3OVDm/JKLOs7M2DKmLRIIp3XIx9pHHiig=
+github.com/Azure/azure-sdk-for-go/sdk/resourcemanager/storage/armstorage v1.8.1/go.mod h1:Ng3urmn6dYe8gnbCMoHHVl5APYz2txho3koEkV2o2HA=
+github.com/Azure/azure-sdk-for-go/sdk/storage/azblob v1.6.3 h1:ZJJNFaQ86GVKQ9ehwqyAFE6pIfyicpuJ8IkVaPBc6/4=
+github.com/Azure/azure-sdk-for-go/sdk/storage/azblob v1.6.3/go.mod h1:URuDvhmATVKqHBH9/0nOiNKk0+YcwfQ3WkK5PqHKxc8=
+github.com/AzureAD/microsoft-authentication-library-for-go v1.5.0 h1:XkkQbfMyuH2jTSjQjSoihryI8GINRcs4xp8lNawg0FI=
+github.com/AzureAD/microsoft-authentication-library-for-go v1.5.0/go.mod h1:HKpQxkWaGLJ+D/5H8QRpyQXA1eKjxkFlOMwck5+33Jk=
 github.com/BurntSushi/toml v1.2.1/go.mod h1:CxXYINrC8qIiEnFrOxCa7Jy5BFHlXnUU2pbicEuybxQ=
 github.com/BurntSushi/toml v1.5.0 h1:W5quZX/G/csjUnuI8SUYlsHs9M38FC7znL0lIO+DvMg=
 github.com/BurntSushi/toml v1.5.0/go.mod h1:ukJfTF/6rtPPRCnwkur4qwRxa8vTRFBF0uk2lLoLwho=
@@ -80,6 +92,8 @@ github.com/goccy/go-json v0.10.5 h1:Fq85nIqj+gXn/S5ahsiTlK3TmC85qgirsdTP/+DeaC4=
 github.com/goccy/go-json v0.10.5/go.mod h1:oq7eo15ShAhp70Anwd5lgX2pLfOS3QCiwU/PULtXL6M=
 github.com/golang-jwt/jwt/v4 v4.5.2 h1:YtQM7lnr8iZ+j5q71MGKkNw9Mn7AjHM68uc9g5fXeUI=
 github.com/golang-jwt/jwt/v4 v4.5.2/go.mod h1:m21LjoU+eqJr34lmDMbreY2eSTRJ1cv77w39/MY0Ch0=
+github.com/golang-jwt/jwt/v5 v5.3.0 h1:pv4AsKCKKZuqlgs5sUmn4x8UlGa0kEVt/puTpKx9vvo=
+github.com/golang-jwt/jwt/v5 v5.3.0/go.mod h1:fxCRLWMO43lRc8nhHWY6LGqRcf+1gQWArsqaEUEa5bE=
 github.com/golang/protobuf v1.5.4 h1:i7eJL8qZTpSEXOPTxNKhASYpMn+8e5Q6AdndVa1dWek=
 github.com/golang/protobuf v1.5.4/go.mod h1:lnTiLA8Wa4RWRcIUkrtSVa5nRhsEGBg48fD6rSs7xps=
 github.com/google/go-cmp v0.7.0 h1:wk8382ETsv4JYUZwIsn6YpYiWiBsYLSJiTsyBybVuN8=
@@ -131,6 +145,8 @@ github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
 github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
 github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
 github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE=
+github.com/kylelemons/godebug v1.1.0 h1:RPNrshWIDI6G2gRW9EHilWtl7Z6Sb1BR0xunSBf0SNc=
+github.com/kylelemons/godebug v1.1.0/go.mod h1:9/0rRGxNHcop5bhtWyNeEfOS8JIWk580+fNqagV/RAw=
 github.com/leodido/go-urn v1.4.0 h1:WT9HwE9SGECu3lg4d/dIA+jxlljEa1/ffXKmRjqdmIQ=
 github.com/leodido/go-urn v1.4.0/go.mod h1:bvxc+MVxLKB4z00jd1z+Dvzr47oO32F/QSNjSBOlFxI=
 github.com/lib/pq v1.10.9 h1:YXG7RB+JIjhP29X+OtkiDnYaXQwpS4JEWq7dtCCRUEw=
@@ -159,6 +175,8 @@ github.com/pelletier/go-toml/v2 v2.2.4 h1:mye9XuhQ6gvn5h28+VilKrrPoQVanw5PMw/TB0
 github.com/pelletier/go-toml/v2 v2.2.4/go.mod h1:2gIqNv+qfxSVS7cM2xJQKtLSTLUE9V8t9Stt+h56mCY=
 github.com/philhofer/fwd v1.1.3-0.20240916144458-20a13a1f6b7c h1:dAMKvw0MlJT1GshSTtih8C2gDs04w8dReiOGXrGLNoY=
 github.com/philhofer/fwd v1.1.3-0.20240916144458-20a13a1f6b7c/go.mod h1:RqIHx9QI14HlwKwm98g9Re5prTQ6LdeRQn+gXJFxsJM=
+github.com/pkg/browser v0.0.0-20240102092130-5ac0b6a4141c h1:+mdjkGKdHQG3305AYmdv1U2eRNDiU2ErMBj1gwrq8eQ=
+github.com/pkg/browser v0.0.0-20240102092130-5ac0b6a4141c/go.mod h1:7rwL4CYBLnjLxUqIJNnCWiEdr3bn6IUYi15bNlnbCCU=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/power-devops/perfstat v0.0.0-20240221224432-82ca36839d55 h1:o4JXh1EVt9k/+g42oCprj/FisM4qX9L3sZB3upGN2ZU=
@@ -180,8 +198,8 @@ github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/
 github.com/stretchr/testify v1.7.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
 github.com/stretchr/testify v1.8.0/go.mod h1:yNjHg4UonilssWZ8iaSj1OCr/vHnekPRkoO+kdMU+MU=
 github.com/stretchr/testify v1.8.1/go.mod h1:w2LPCIKwWwSfY2zedu0+kehJoqGctiVI29o6fzry7u4=
-github.com/stretchr/testify v1.10.0 h1:Xv5erBjTwe/5IxqUQTdXv5kgmIvbHo3QQyRwhJsOfJA=
-github.com/stretchr/testify v1.10.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
+github.com/stretchr/testify v1.11.1 h1:7s2iGBzp5EwR7/aIZr8ao5+dra3wiQyKjjFuvgVKu7U=
+github.com/stretchr/testify v1.11.1/go.mod h1:wZwfW3scLgRK+23gO65QZefKpKQRnfz6sD981Nm4B6U=
 github.com/swaggo/files v1.0.1 h1:J1bVJ4XHZNq0I46UU90611i9/YzdrF7x92oX1ig5IdE=
 github.com/swaggo/files v1.0.1/go.mod h1:0qXmMNH6sXNf+73t65aKeB+ApmgxdnkQzVTAj2uaMUg=
 github.com/swaggo/gin-swagger v1.6.0 h1:y8sxvQ3E20/RCyrXeFfg60r6H0Z+SwpTjMYsMm+zy8M=
@@ -216,25 +234,25 @@ golang.org/x/arch v0.17.0/go.mod h1:bdwinDaKcfZUGpH09BB7ZmOfhalA8lQdzl62l8gGWsk=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/crypto v0.0.0-20200728195943-123391ffb6de/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
 golang.org/x/crypto v0.0.0-20210921155107-089bfa567519/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=
-golang.org/x/crypto v0.39.0 h1:SHs+kF4LP+f+p14esP5jAoDpHU8Gu/v9lFRK6IT5imM=
-golang.org/x/crypto v0.39.0/go.mod h1:L+Xg3Wf6HoL4Bn4238Z6ft6KfEpN0tJGo53AAPC632U=
+golang.org/x/crypto v0.41.0 h1:WKYxWedPGCTVVl5+WHSSrOBT0O8lx32+zxmHxijgXp4=
+golang.org/x/crypto v0.41.0/go.mod h1:pO5AFd7FA68rFak7rOAGVuygIISepHftHnr8dr6+sUc=
 golang.org/x/mod v0.6.0-dev.0.20220419223038-86c51ed26bb4/go.mod h1:jJ57K6gSWd91VN4djpZkiMVwK6gcyfeH4XE8wZrZaV4=
-golang.org/x/mod v0.25.0 h1:n7a+ZbQKQA/Ysbyb0/6IbB1H/X41mKgbhfv7AfG/44w=
-golang.org/x/mod v0.25.0/go.mod h1:IXM97Txy2VM4PJ3gI61r1YEk/gAj6zAHN3AdZt6S9Ww=
+golang.org/x/mod v0.26.0 h1:EGMPT//Ezu+ylkCijjPc+f4Aih7sZvaAr+O3EHBxvZg=
+golang.org/x/mod v0.26.0/go.mod h1:/j6NAhSk8iQ723BGAUyoAcn7SlD7s15Dp9Nd/SfeaFQ=
 golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
 golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
 golang.org/x/net v0.0.0-20210421230115-4e50805a0758/go.mod h1:72T/g9IO56b78aLF+1Kcs5dz7/ng1VjMUvfKvpfy+jM=
 golang.org/x/net v0.0.0-20220722155237-a158d28d115b/go.mod h1:XRhObCWvk6IyKnWLug+ECip1KBveYUHfp+8e9klMJ9c=
 golang.org/x/net v0.7.0/go.mod h1:2Tu9+aMcznHK/AK1HMvgo6xiTLG5rD5rZLDS+rp2Bjs=
-golang.org/x/net v0.41.0 h1:vBTly1HeNPEn3wtREYfy4GZ/NECgw2Cnl+nK6Nz3uvw=
-golang.org/x/net v0.41.0/go.mod h1:B/K4NNqkfmg07DQYrbwvSluqCJOOXwUjeb/5lOisjbA=
+golang.org/x/net v0.43.0 h1:lat02VYK2j4aLzMzecihNvTlJNQUq316m2Mr9rnM6YE=
+golang.org/x/net v0.43.0/go.mod h1:vhO1fvI4dGsIjh73sWfUVjj3N7CA9WkKJNQm2svM6Jg=
 golang.org/x/oauth2 v0.30.0 h1:dnDm7JmhM45NNpd8FDDeLhK6FwqbOf4MLCM9zb1BOHI=
 golang.org/x/oauth2 v0.30.0/go.mod h1:B++QgG3ZKulg6sRPGD/mqlHQs5rB3Ml9erfeDY7xKlU=
 golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20220722155255-886fb9371eb4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
-golang.org/x/sync v0.15.0 h1:KWH3jNZsfyT6xfAfKiz6MRNmd46ByHDYaZ7KSkCtdW8=
-golang.org/x/sync v0.15.0/go.mod h1:1dzgHSNfp02xaA81J2MS99Qcpr2w7fw1gpm99rleRqA=
+golang.org/x/sync v0.16.0 h1:ycBJEhp9p4vXvUZNszeOq0kGTPghopOL8q0fq3vstxw=
+golang.org/x/sync v0.16.0/go.mod h1:1dzgHSNfp02xaA81J2MS99Qcpr2w7fw1gpm99rleRqA=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190916202348-b4ddaad3f8a3/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
@@ -247,8 +265,8 @@ golang.org/x/sys v0.0.0-20220722155257-8c9f86f7a55f/go.mod h1:oPkhp1MJrh7nUepCBc
 golang.org/x/sys v0.1.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.5.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.33.0 h1:q3i8TbbEz+JRD9ywIRlyRAQbM0qF7hu24q3teo2hbuw=
-golang.org/x/sys v0.33.0/go.mod h1:BJP2sWEmIv4KK5OTEluFJCKSidICx8ciO85XgH3Ak8k=
+golang.org/x/sys v0.35.0 h1:vz1N37gP5bs89s7He8XuIYXpyY0+QlsKmzipCbUtyxI=
+golang.org/x/sys v0.35.0/go.mod h1:BJP2sWEmIv4KK5OTEluFJCKSidICx8ciO85XgH3Ak8k=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
 golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
 golang.org/x/term v0.5.0/go.mod h1:jMB1sMXY+tzblOD4FWmEbocvup2/aLOaQEp7JmGp78k=
@@ -257,15 +275,15 @@ golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
 golang.org/x/text v0.7.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8=
-golang.org/x/text v0.26.0 h1:P42AVeLghgTYr4+xUnTRKDMqpar+PtX7KWuNQL21L8M=
-golang.org/x/text v0.26.0/go.mod h1:QK15LZJUUQVJxhz7wXgxSy/CJaTFjd0G+YLonydOVQA=
+golang.org/x/text v0.28.0 h1:rhazDwis8INMIwQ4tpjLDzUhx6RlXqZNPEM0huQojng=
+golang.org/x/text v0.28.0/go.mod h1:U8nCwOR8jO/marOQ0QbDiOngZVEBB7MAiitBuMjXiNU=
 golang.org/x/time v0.12.0 h1:ScB/8o8olJvc+CQPWrK3fPZNfh7qgwCrY0zJmoEQLSE=
 golang.org/x/time v0.12.0/go.mod h1:CDIdPxbZBQxdj6cxyCIdrNogrJKMJ7pr37NYpMcMDSg=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
 golang.org/x/tools v0.1.12/go.mod h1:hNGJHUnrk76NpqgfD5Aqm5Crs+Hm0VOH/i9J2+nxYbc=
-golang.org/x/tools v0.33.0 h1:4qz2S3zmRxbGIhDIAgjxvFutSvH5EfnsYrRBj0UI0bc=
-golang.org/x/tools v0.33.0/go.mod h1:CIJMaWEY88juyUfo7UbgPqbC8rU2OqfAV1h2Qp0oMYI=
+golang.org/x/tools v0.35.0 h1:mBffYraMEf7aa0sB+NuKnuCy8qI/9Bughn8dC2Gu5r0=
+golang.org/x/tools v0.35.0/go.mod h1:NKdj5HkL/73byiZSJjqJgKn3ep7KjFkBOkR/Hps3VPw=
 golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 google.golang.org/api v0.239.0 h1:2hZKUnFZEy81eugPs4e2XzIJ5SOwQg0G82bpXD65Puo=
 google.golang.org/api v0.239.0/go.mod h1:cOVEm2TpdAGHL2z+UwyS+kmlGr3bVWQQ6sYEqkKje50=

backend/internal/config/config.go

@@ -33,16 +33,30 @@ type EnvVariables struct {
 	TestGoogleDriveClientSecret string `env:"TEST_GOOGLE_DRIVE_CLIENT_SECRET"`
 	TestGoogleDriveTokenJSON    string `env:"TEST_GOOGLE_DRIVE_TOKEN_JSON"`
 
+	TestPostgres12Port string `env:"TEST_POSTGRES_12_PORT"`
 	TestPostgres13Port string `env:"TEST_POSTGRES_13_PORT"`
 	TestPostgres14Port string `env:"TEST_POSTGRES_14_PORT"`
 	TestPostgres15Port string `env:"TEST_POSTGRES_15_PORT"`
 	TestPostgres16Port string `env:"TEST_POSTGRES_16_PORT"`
 	TestPostgres17Port string `env:"TEST_POSTGRES_17_PORT"`
+	TestPostgres18Port string `env:"TEST_POSTGRES_18_PORT"`
 
 	TestMinioPort        string `env:"TEST_MINIO_PORT"`
 	TestMinioConsolePort string `env:"TEST_MINIO_CONSOLE_PORT"`
 
+	TestAzuriteBlobPort string `env:"TEST_AZURITE_BLOB_PORT"`
+
 	TestNASPort string `env:"TEST_NAS_PORT"`
+
+	// oauth
+	GitHubClientID     string `env:"GITHUB_CLIENT_ID"`
+	GitHubClientSecret string `env:"GITHUB_CLIENT_SECRET"`
+	GoogleClientID     string `env:"GOOGLE_CLIENT_ID"`
+	GoogleClientSecret string `env:"GOOGLE_CLIENT_SECRET"`
+
+	// testing Telegram
+	TestTelegramBotToken string `env:"TEST_TELEGRAM_BOT_TOKEN"`
+	TestTelegramChatID   string `env:"TEST_TELEGRAM_CHAT_ID"`
 }
 
 var (
@@ -134,6 +148,10 @@ func loadEnvVariables() {
 	env.TempFolder = filepath.Join(filepath.Dir(backendRoot), "postgresus-data", "temp")
 
 	if env.IsTesting {
+		if env.TestPostgres12Port == "" {
+			log.Error("TEST_POSTGRES_12_PORT is empty")
+			os.Exit(1)
+		}
 		if env.TestPostgres13Port == "" {
 			log.Error("TEST_POSTGRES_13_PORT is empty")
 			os.Exit(1)
@@ -154,6 +172,10 @@ func loadEnvVariables() {
 			log.Error("TEST_POSTGRES_17_PORT is empty")
 			os.Exit(1)
 		}
+		if env.TestPostgres18Port == "" {
+			log.Error("TEST_POSTGRES_18_PORT is empty")
+			os.Exit(1)
+		}
 
 		if env.TestMinioPort == "" {
 			log.Error("TEST_MINIO_PORT is empty")
@@ -164,10 +186,25 @@ func loadEnvVariables() {
 			os.Exit(1)
 		}
 
+		if env.TestAzuriteBlobPort == "" {
+			log.Error("TEST_AZURITE_BLOB_PORT is empty")
+			os.Exit(1)
+		}
+
 		if env.TestNASPort == "" {
 			log.Error("TEST_NAS_PORT is empty")
 			os.Exit(1)
 		}
+
+		if env.TestTelegramBotToken == "" {
+			log.Error("TEST_TELEGRAM_BOT_TOKEN is empty")
+			os.Exit(1)
+		}
+
+		if env.TestTelegramChatID == "" {
+			log.Error("TEST_TELEGRAM_CHAT_ID is empty")
+			os.Exit(1)
+		}
 	}
 
 	log.Info("Environment variables loaded successfully!")

backend/internal/downdetect/controller.go

@@ -1,37 +0,0 @@
-package downdetect
-
-import (
-	"fmt"
-	"net/http"
-
-	"github.com/gin-gonic/gin"
-)
-
-type DowndetectController struct {
-	service *DowndetectService
-}
-
-func (c *DowndetectController) RegisterRoutes(router *gin.RouterGroup) {
-	router.GET("/downdetect/is-available", c.IsAvailable)
-}
-
-// @Summary Check API availability
-// @Description Checks if the API service is available
-// @Tags downdetect
-// @Accept json
-// @Produce json
-// @Success 200
-// @Failure 500
-// @Router /downdetect/api [get]
-func (c *DowndetectController) IsAvailable(ctx *gin.Context) {
-	err := c.service.IsDbAvailable()
-	if err != nil {
-		ctx.JSON(
-			http.StatusInternalServerError,
-			gin.H{"error": fmt.Sprintf("Database is not available: %v", err)},
-		)
-		return
-	}
-
-	ctx.JSON(http.StatusOK, gin.H{"message": "API and DB are available"})
-}

backend/internal/downdetect/di.go

@@ -1,10 +0,0 @@
-package downdetect
-
-var downdetectService = &DowndetectService{}
-var downdetectController = &DowndetectController{
-	downdetectService,
-}
-
-func GetDowndetectController() *DowndetectController {
-	return downdetectController
-}

backend/internal/downdetect/service.go

@@ -1,17 +0,0 @@
-package downdetect
-
-import (
-	"postgresus-backend/internal/storage"
-)
-
-type DowndetectService struct {
-}
-
-func (s *DowndetectService) IsDbAvailable() error {
-	err := storage.GetDb().Exec("SELECT 1").Error
-	if err != nil {
-		return err
-	}
-
-	return nil
-}

backend/internal/features/audit_logs/controller.go

@@ -0,0 +1,111 @@
+package audit_logs
+
+import (
+	"net/http"
+
+	user_models "postgresus-backend/internal/features/users/models"
+
+	"github.com/gin-gonic/gin"
+	"github.com/google/uuid"
+)
+
+type AuditLogController struct {
+	auditLogService *AuditLogService
+}
+
+func (c *AuditLogController) RegisterRoutes(router *gin.RouterGroup) {
+	// All audit log endpoints require authentication (handled in main.go)
+	auditRoutes := router.Group("/audit-logs")
+
+	auditRoutes.GET("/global", c.GetGlobalAuditLogs)
+	auditRoutes.GET("/users/:userId", c.GetUserAuditLogs)
+}
+
+// GetGlobalAuditLogs
+// @Summary Get global audit logs (ADMIN only)
+// @Description Retrieve all audit logs across the system
+// @Tags audit-logs
+// @Accept json
+// @Produce json
+// @Security BearerAuth
+// @Param limit query int false "Limit number of results" default(100)
+// @Param offset query int false "Offset for pagination" default(0)
+// @Param beforeDate query string false "Filter logs created before this date (RFC3339 format)" format(date-time)
+// @Success 200 {object} GetAuditLogsResponse
+// @Failure 401 {object} map[string]string
+// @Failure 403 {object} map[string]string
+// @Router /audit-logs/global [get]
+func (c *AuditLogController) GetGlobalAuditLogs(ctx *gin.Context) {
+	user, isOk := ctx.MustGet("user").(*user_models.User)
+	if !isOk {
+		ctx.JSON(http.StatusInternalServerError, gin.H{"error": "Invalid user type in context"})
+		return
+	}
+
+	request := &GetAuditLogsRequest{}
+	if err := ctx.ShouldBindQuery(request); err != nil {
+		ctx.JSON(http.StatusBadRequest, gin.H{"error": "Invalid query parameters"})
+		return
+	}
+
+	response, err := c.auditLogService.GetGlobalAuditLogs(user, request)
+	if err != nil {
+		if err.Error() == "only administrators can view global audit logs" {
+			ctx.JSON(http.StatusForbidden, gin.H{"error": err.Error()})
+			return
+		}
+		ctx.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to retrieve audit logs"})
+		return
+	}
+
+	ctx.JSON(http.StatusOK, response)
+}
+
+// GetUserAuditLogs
+// @Summary Get user audit logs
+// @Description Retrieve audit logs for a specific user
+// @Tags audit-logs
+// @Accept json
+// @Produce json
+// @Security BearerAuth
+// @Param userId path string true "User ID"
+// @Param limit query int false "Limit number of results" default(100)
+// @Param offset query int false "Offset for pagination" default(0)
+// @Param beforeDate query string false "Filter logs created before this date (RFC3339 format)" format(date-time)
+// @Success 200 {object} GetAuditLogsResponse
+// @Failure 400 {object} map[string]string
+// @Failure 401 {object} map[string]string
+// @Failure 403 {object} map[string]string
+// @Router /audit-logs/users/{userId} [get]
+func (c *AuditLogController) GetUserAuditLogs(ctx *gin.Context) {
+	user, isOk := ctx.MustGet("user").(*user_models.User)
+	if !isOk {
+		ctx.JSON(http.StatusInternalServerError, gin.H{"error": "Invalid user type in context"})
+		return
+	}
+
+	userIDStr := ctx.Param("userId")
+	targetUserID, err := uuid.Parse(userIDStr)
+	if err != nil {
+		ctx.JSON(http.StatusBadRequest, gin.H{"error": "Invalid user ID"})
+		return
+	}
+
+	request := &GetAuditLogsRequest{}
+	if err := ctx.ShouldBindQuery(request); err != nil {
+		ctx.JSON(http.StatusBadRequest, gin.H{"error": "Invalid query parameters"})
+		return
+	}
+
+	response, err := c.auditLogService.GetUserAuditLogs(targetUserID, user, request)
+	if err != nil {
+		if err.Error() == "insufficient permissions to view user audit logs" {
+			ctx.JSON(http.StatusForbidden, gin.H{"error": err.Error()})
+			return
+		}
+		ctx.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to retrieve audit logs"})
+		return
+	}
+
+	ctx.JSON(http.StatusOK, response)
+}

backend/internal/features/audit_logs/controller_test.go

@@ -0,0 +1,154 @@
+package audit_logs
+
+import (
+	"fmt"
+	"net/http"
+	"testing"
+	"time"
+
+	user_enums "postgresus-backend/internal/features/users/enums"
+	users_middleware "postgresus-backend/internal/features/users/middleware"
+	users_services "postgresus-backend/internal/features/users/services"
+	users_testing "postgresus-backend/internal/features/users/testing"
+	test_utils "postgresus-backend/internal/util/testing"
+
+	"github.com/gin-gonic/gin"
+	"github.com/google/uuid"
+	"github.com/stretchr/testify/assert"
+)
+
+func Test_GetGlobalAuditLogs_WithDifferentUserRoles_EnforcesPermissionsCorrectly(t *testing.T) {
+	adminUser := users_testing.CreateTestUser(user_enums.UserRoleAdmin)
+	memberUser := users_testing.CreateTestUser(user_enums.UserRoleMember)
+	router := createRouter()
+	service := GetAuditLogService()
+	workspaceID := uuid.New()
+	testID := uuid.New().String()
+
+	// Create test logs with unique identifiers
+	userLogMessage := fmt.Sprintf("Test log with user %s", testID)
+	workspaceLogMessage := fmt.Sprintf("Test log with workspace %s", testID)
+	standaloneLogMessage := fmt.Sprintf("Test log standalone %s", testID)
+
+	createAuditLog(service, userLogMessage, &adminUser.UserID, nil)
+	createAuditLog(service, workspaceLogMessage, nil, &workspaceID)
+	createAuditLog(service, standaloneLogMessage, nil, nil)
+
+	// Test ADMIN can access global logs
+	var response GetAuditLogsResponse
+	test_utils.MakeGetRequestAndUnmarshal(t, router,
+		"/api/v1/audit-logs/global?limit=100", "Bearer "+adminUser.Token, http.StatusOK, &response)
+
+	// Verify our specific test logs are present
+	messages := extractMessages(response.AuditLogs)
+	assert.Contains(t, messages, userLogMessage)
+	assert.Contains(t, messages, workspaceLogMessage)
+	assert.Contains(t, messages, standaloneLogMessage)
+
+	// Test MEMBER cannot access global logs
+	resp := test_utils.MakeGetRequest(t, router, "/api/v1/audit-logs/global",
+		"Bearer "+memberUser.Token, http.StatusForbidden)
+	assert.Contains(t, string(resp.Body), "only administrators can view global audit logs")
+}
+
+func Test_GetUserAuditLogs_WithDifferentUserRoles_EnforcesPermissionsCorrectly(t *testing.T) {
+	adminUser := users_testing.CreateTestUser(user_enums.UserRoleAdmin)
+	user1 := users_testing.CreateTestUser(user_enums.UserRoleMember)
+	user2 := users_testing.CreateTestUser(user_enums.UserRoleMember)
+	router := createRouter()
+	service := GetAuditLogService()
+	workspaceID := uuid.New()
+	testID := uuid.New().String()
+
+	// Create test logs for different users with unique identifiers
+	user1FirstMessage := fmt.Sprintf("Test log user1 first %s", testID)
+	user1SecondMessage := fmt.Sprintf("Test log user1 second %s", testID)
+	user2FirstMessage := fmt.Sprintf("Test log user2 first %s", testID)
+	user2SecondMessage := fmt.Sprintf("Test log user2 second %s", testID)
+	workspaceLogMessage := fmt.Sprintf("Test workspace log %s", testID)
+
+	createAuditLog(service, user1FirstMessage, &user1.UserID, nil)
+	createAuditLog(service, user1SecondMessage, &user1.UserID, &workspaceID)
+	createAuditLog(service, user2FirstMessage, &user2.UserID, nil)
+	createAuditLog(service, user2SecondMessage, &user2.UserID, &workspaceID)
+	createAuditLog(service, workspaceLogMessage, nil, &workspaceID)
+
+	// Test ADMIN can view any user's logs
+	var user1Response GetAuditLogsResponse
+	test_utils.MakeGetRequestAndUnmarshal(t, router,
+		fmt.Sprintf("/api/v1/audit-logs/users/%s?limit=100", user1.UserID.String()),
+		"Bearer "+adminUser.Token, http.StatusOK, &user1Response)
+
+	// Verify user1's specific logs are present
+	messages := extractMessages(user1Response.AuditLogs)
+	assert.Contains(t, messages, user1FirstMessage)
+	assert.Contains(t, messages, user1SecondMessage)
+
+	// Count only our test logs for user1
+	testLogsCount := 0
+	for _, message := range messages {
+		if message == user1FirstMessage || message == user1SecondMessage {
+			testLogsCount++
+		}
+	}
+	assert.Equal(t, 2, testLogsCount)
+
+	// Test user can view own logs
+	var ownLogsResponse GetAuditLogsResponse
+	test_utils.MakeGetRequestAndUnmarshal(t, router,
+		fmt.Sprintf("/api/v1/audit-logs/users/%s?limit=100", user2.UserID.String()),
+		"Bearer "+user2.Token, http.StatusOK, &ownLogsResponse)
+
+	// Verify user2's specific logs are present
+	ownMessages := extractMessages(ownLogsResponse.AuditLogs)
+	assert.Contains(t, ownMessages, user2FirstMessage)
+	assert.Contains(t, ownMessages, user2SecondMessage)
+
+	// Test user cannot view other user's logs
+	resp := test_utils.MakeGetRequest(t, router,
+		fmt.Sprintf("/api/v1/audit-logs/users/%s", user1.UserID.String()),
+		"Bearer "+user2.Token, http.StatusForbidden)
+
+	assert.Contains(t, string(resp.Body), "insufficient permissions")
+}
+
+func Test_GetGlobalAuditLogs_WithBeforeDateFilter_ReturnsFilteredLogs(t *testing.T) {
+	adminUser := users_testing.CreateTestUser(user_enums.UserRoleAdmin)
+	router := createRouter()
+	baseTime := time.Now().UTC()
+
+	// Set filter time to 30 minutes ago
+	beforeTime := baseTime.Add(-30 * time.Minute)
+
+	var filteredResponse GetAuditLogsResponse
+	test_utils.MakeGetRequestAndUnmarshal(
+		t,
+		router,
+		fmt.Sprintf(
+			"/api/v1/audit-logs/global?beforeDate=%s&limit=1000",
+			beforeTime.Format(time.RFC3339),
+		),
+		"Bearer "+adminUser.Token,
+		http.StatusOK,
+		&filteredResponse,
+	)
+
+	// Verify ALL returned logs are older than the filter time
+	for _, log := range filteredResponse.AuditLogs {
+		assert.True(t, log.CreatedAt.Before(beforeTime),
+			fmt.Sprintf("Log created at %s should be before filter time %s",
+				log.CreatedAt.Format(time.RFC3339), beforeTime.Format(time.RFC3339)))
+	}
+}
+
+func createRouter() *gin.Engine {
+	gin.SetMode(gin.TestMode)
+	router := gin.New()
+	SetupDependencies()
+
+	v1 := router.Group("/api/v1")
+	protected := v1.Group("").Use(users_middleware.AuthMiddleware(users_services.GetUserService()))
+	GetAuditLogController().RegisterRoutes(protected.(*gin.RouterGroup))
+
+	return router
+}

backend/internal/features/audit_logs/di.go

@@ -0,0 +1,29 @@
+package audit_logs
+
+import (
+	users_services "postgresus-backend/internal/features/users/services"
+	"postgresus-backend/internal/util/logger"
+)
+
+var auditLogRepository = &AuditLogRepository{}
+var auditLogService = &AuditLogService{
+	auditLogRepository: auditLogRepository,
+	logger:             logger.GetLogger(),
+}
+var auditLogController = &AuditLogController{
+	auditLogService: auditLogService,
+}
+
+func GetAuditLogService() *AuditLogService {
+	return auditLogService
+}
+
+func GetAuditLogController() *AuditLogController {
+	return auditLogController
+}
+
+func SetupDependencies() {
+	users_services.GetUserService().SetAuditLogWriter(auditLogService)
+	users_services.GetSettingsService().SetAuditLogWriter(auditLogService)
+	users_services.GetManagementService().SetAuditLogWriter(auditLogService)
+}

backend/internal/features/audit_logs/dto.go

@@ -0,0 +1,31 @@
+package audit_logs
+
+import (
+	"time"
+
+	"github.com/google/uuid"
+)
+
+type GetAuditLogsRequest struct {
+	Limit      int        `form:"limit"      json:"limit"`
+	Offset     int        `form:"offset"     json:"offset"`
+	BeforeDate *time.Time `form:"beforeDate" json:"beforeDate"`
+}
+
+type GetAuditLogsResponse struct {
+	AuditLogs []*AuditLogDTO `json:"auditLogs"`
+	Total     int64          `json:"total"`
+	Limit     int            `json:"limit"`
+	Offset    int            `json:"offset"`
+}
+
+type AuditLogDTO struct {
+	ID            uuid.UUID  `json:"id"            gorm:"column:id"`
+	UserID        *uuid.UUID `json:"userId"        gorm:"column:user_id"`
+	WorkspaceID   *uuid.UUID `json:"workspaceId"   gorm:"column:workspace_id"`
+	Message       string     `json:"message"       gorm:"column:message"`
+	CreatedAt     time.Time  `json:"createdAt"     gorm:"column:created_at"`
+	UserEmail     *string    `json:"userEmail"     gorm:"column:user_email"`
+	UserName      *string    `json:"userName"      gorm:"column:user_name"`
+	WorkspaceName *string    `json:"workspaceName" gorm:"column:workspace_name"`
+}

backend/internal/features/audit_logs/models.go

@@ -0,0 +1,19 @@
+package audit_logs
+
+import (
+	"time"
+
+	"github.com/google/uuid"
+)
+
+type AuditLog struct {
+	ID          uuid.UUID  `json:"id"          gorm:"column:id"`
+	UserID      *uuid.UUID `json:"userId"      gorm:"column:user_id"`
+	WorkspaceID *uuid.UUID `json:"workspaceId" gorm:"column:workspace_id"`
+	Message     string     `json:"message"     gorm:"column:message"`
+	CreatedAt   time.Time  `json:"createdAt"   gorm:"column:created_at"`
+}
+
+func (AuditLog) TableName() string {
+	return "audit_logs"
+}

backend/internal/features/audit_logs/repository.go

@@ -0,0 +1,139 @@
+package audit_logs
+
+import (
+	"postgresus-backend/internal/storage"
+	"time"
+
+	"github.com/google/uuid"
+)
+
+type AuditLogRepository struct{}
+
+func (r *AuditLogRepository) Create(auditLog *AuditLog) error {
+	if auditLog.ID == uuid.Nil {
+		auditLog.ID = uuid.New()
+	}
+
+	return storage.GetDb().Create(auditLog).Error
+}
+
+func (r *AuditLogRepository) GetGlobal(
+	limit, offset int,
+	beforeDate *time.Time,
+) ([]*AuditLogDTO, error) {
+	var auditLogs = make([]*AuditLogDTO, 0)
+
+	sql := `
+		SELECT 
+			al.id,
+			al.user_id,
+			al.workspace_id,
+			al.message,
+			al.created_at,
+			u.email as user_email,
+			u.name as user_name,
+			w.name as workspace_name
+		FROM audit_logs al
+		LEFT JOIN users u ON al.user_id = u.id
+		LEFT JOIN workspaces w ON al.workspace_id = w.id`
+
+	args := []interface{}{}
+
+	if beforeDate != nil {
+		sql += " WHERE al.created_at < ?"
+		args = append(args, *beforeDate)
+	}
+
+	sql += " ORDER BY al.created_at DESC LIMIT ? OFFSET ?"
+	args = append(args, limit, offset)
+
+	err := storage.GetDb().Raw(sql, args...).Scan(&auditLogs).Error
+
+	return auditLogs, err
+}
+
+func (r *AuditLogRepository) GetByUser(
+	userID uuid.UUID,
+	limit, offset int,
+	beforeDate *time.Time,
+) ([]*AuditLogDTO, error) {
+	var auditLogs = make([]*AuditLogDTO, 0)
+
+	sql := `
+		SELECT 
+			al.id,
+			al.user_id,
+			al.workspace_id,
+			al.message,
+			al.created_at,
+			u.email as user_email,
+			u.name as user_name,
+			w.name as workspace_name
+		FROM audit_logs al
+		LEFT JOIN users u ON al.user_id = u.id
+		LEFT JOIN workspaces w ON al.workspace_id = w.id
+		WHERE al.user_id = ?`
+
+	args := []interface{}{userID}
+
+	if beforeDate != nil {
+		sql += " AND al.created_at < ?"
+		args = append(args, *beforeDate)
+	}
+
+	sql += " ORDER BY al.created_at DESC LIMIT ? OFFSET ?"
+	args = append(args, limit, offset)
+
+	err := storage.GetDb().Raw(sql, args...).Scan(&auditLogs).Error
+
+	return auditLogs, err
+}
+
+func (r *AuditLogRepository) GetByWorkspace(
+	workspaceID uuid.UUID,
+	limit, offset int,
+	beforeDate *time.Time,
+) ([]*AuditLogDTO, error) {
+	var auditLogs = make([]*AuditLogDTO, 0)
+
+	sql := `
+		SELECT 
+			al.id,
+			al.user_id,
+			al.workspace_id,
+			al.message,
+			al.created_at,
+			u.email as user_email,
+			u.name as user_name,
+			w.name as workspace_name
+		FROM audit_logs al
+		LEFT JOIN users u ON al.user_id = u.id
+		LEFT JOIN workspaces w ON al.workspace_id = w.id
+		WHERE al.workspace_id = ?`
+
+	args := []interface{}{workspaceID}
+
+	if beforeDate != nil {
+		sql += " AND al.created_at < ?"
+		args = append(args, *beforeDate)
+	}
+
+	sql += " ORDER BY al.created_at DESC LIMIT ? OFFSET ?"
+	args = append(args, limit, offset)
+
+	err := storage.GetDb().Raw(sql, args...).Scan(&auditLogs).Error
+
+	return auditLogs, err
+}
+
+func (r *AuditLogRepository) CountGlobal(beforeDate *time.Time) (int64, error) {
+	var count int64
+	query := storage.GetDb().Model(&AuditLog{})
+
+	if beforeDate != nil {
+		query = query.Where("created_at < ?", *beforeDate)
+	}
+
+	err := query.Count(&count).Error
+	return count, err
+}

backend/internal/features/audit_logs/service.go

@@ -0,0 +1,137 @@
+package audit_logs
+
+import (
+	"errors"
+	"log/slog"
+	"time"
+
+	user_enums "postgresus-backend/internal/features/users/enums"
+	user_models "postgresus-backend/internal/features/users/models"
+
+	"github.com/google/uuid"
+)
+
+type AuditLogService struct {
+	auditLogRepository *AuditLogRepository
+	logger             *slog.Logger
+}
+
+func (s *AuditLogService) WriteAuditLog(
+	message string,
+	userID *uuid.UUID,
+	workspaceID *uuid.UUID,
+) {
+	auditLog := &AuditLog{
+		UserID:      userID,
+		WorkspaceID: workspaceID,
+		Message:     message,
+		CreatedAt:   time.Now().UTC(),
+	}
+
+	err := s.auditLogRepository.Create(auditLog)
+	if err != nil {
+		s.logger.Error("failed to create audit log", "error", err)
+		return
+	}
+}
+
+func (s *AuditLogService) CreateAuditLog(auditLog *AuditLog) error {
+	return s.auditLogRepository.Create(auditLog)
+}
+
+func (s *AuditLogService) GetGlobalAuditLogs(
+	user *user_models.User,
+	request *GetAuditLogsRequest,
+) (*GetAuditLogsResponse, error) {
+	if user.Role != user_enums.UserRoleAdmin {
+		return nil, errors.New("only administrators can view global audit logs")
+	}
+
+	limit := request.Limit
+	if limit <= 0 || limit > 1000 {
+		limit = 100
+	}
+
+	offset := max(request.Offset, 0)
+
+	auditLogs, err := s.auditLogRepository.GetGlobal(limit, offset, request.BeforeDate)
+	if err != nil {
+		return nil, err
+	}
+
+	total, err := s.auditLogRepository.CountGlobal(request.BeforeDate)
+	if err != nil {
+		return nil, err
+	}
+
+	return &GetAuditLogsResponse{
+		AuditLogs: auditLogs,
+		Total:     total,
+		Limit:     limit,
+		Offset:    offset,
+	}, nil
+}
+
+func (s *AuditLogService) GetUserAuditLogs(
+	targetUserID uuid.UUID,
+	user *user_models.User,
+	request *GetAuditLogsRequest,
+) (*GetAuditLogsResponse, error) {
+	// Users can view their own logs, ADMIN can view any user's logs
+	if user.Role != user_enums.UserRoleAdmin && user.ID != targetUserID {
+		return nil, errors.New("insufficient permissions to view user audit logs")
+	}
+
+	limit := request.Limit
+	if limit <= 0 || limit > 1000 {
+		limit = 100
+	}
+
+	offset := max(request.Offset, 0)
+
+	auditLogs, err := s.auditLogRepository.GetByUser(
+		targetUserID,
+		limit,
+		offset,
+		request.BeforeDate,
+	)
+	if err != nil {
+		return nil, err
+	}
+
+	return &GetAuditLogsResponse{
+		AuditLogs: auditLogs,
+		Total:     int64(len(auditLogs)),
+		Limit:     limit,
+		Offset:    offset,
+	}, nil
+}
+
+func (s *AuditLogService) GetWorkspaceAuditLogs(
+	workspaceID uuid.UUID,
+	request *GetAuditLogsRequest,
+) (*GetAuditLogsResponse, error) {
+	limit := request.Limit
+	if limit <= 0 || limit > 1000 {
+		limit = 100
+	}
+
+	offset := max(request.Offset, 0)
+
+	auditLogs, err := s.auditLogRepository.GetByWorkspace(
+		workspaceID,
+		limit,
+		offset,
+		request.BeforeDate,
+	)
+	if err != nil {
+		return nil, err
+	}
+
+	return &GetAuditLogsResponse{
+		AuditLogs: auditLogs,
+		Total:     int64(len(auditLogs)),
+		Limit:     limit,
+		Offset:    offset,
+	}, nil
+}

backend/internal/features/audit_logs/service_test.go

@@ -0,0 +1,83 @@
+package audit_logs
+
+import (
+	"testing"
+	"time"
+
+	user_enums "postgresus-backend/internal/features/users/enums"
+	users_testing "postgresus-backend/internal/features/users/testing"
+
+	"github.com/google/uuid"
+	"github.com/stretchr/testify/assert"
+)
+
+func Test_AuditLogs_WorkspaceSpecificLogs(t *testing.T) {
+	service := GetAuditLogService()
+	user1 := users_testing.CreateTestUser(user_enums.UserRoleMember)
+	user2 := users_testing.CreateTestUser(user_enums.UserRoleMember)
+	workspace1ID, workspace2ID := uuid.New(), uuid.New()
+
+	// Create test logs for workspaces
+	createAuditLog(service, "Test workspace1 log first", &user1.UserID, &workspace1ID)
+	createAuditLog(service, "Test workspace1 log second", &user2.UserID, &workspace1ID)
+	createAuditLog(service, "Test workspace2 log first", &user1.UserID, &workspace2ID)
+	createAuditLog(service, "Test workspace2 log second", &user2.UserID, &workspace2ID)
+	createAuditLog(service, "Test no workspace log", &user1.UserID, nil)
+
+	request := &GetAuditLogsRequest{Limit: 10, Offset: 0}
+
+	// Test workspace 1 logs
+	workspace1Response, err := service.GetWorkspaceAuditLogs(workspace1ID, request)
+	assert.NoError(t, err)
+	assert.Equal(t, 2, len(workspace1Response.AuditLogs))
+
+	messages := extractMessages(workspace1Response.AuditLogs)
+	assert.Contains(t, messages, "Test workspace1 log first")
+	assert.Contains(t, messages, "Test workspace1 log second")
+	for _, log := range workspace1Response.AuditLogs {
+		assert.Equal(t, &workspace1ID, log.WorkspaceID)
+	}
+
+	// Test workspace 2 logs
+	workspace2Response, err := service.GetWorkspaceAuditLogs(workspace2ID, request)
+	assert.NoError(t, err)
+	assert.Equal(t, 2, len(workspace2Response.AuditLogs))
+
+	messages2 := extractMessages(workspace2Response.AuditLogs)
+	assert.Contains(t, messages2, "Test workspace2 log first")
+	assert.Contains(t, messages2, "Test workspace2 log second")
+
+	// Test pagination
+	limitedResponse, err := service.GetWorkspaceAuditLogs(workspace1ID,
+		&GetAuditLogsRequest{Limit: 1, Offset: 0})
+	assert.NoError(t, err)
+	assert.Equal(t, 1, len(limitedResponse.AuditLogs))
+	assert.Equal(t, 1, limitedResponse.Limit)
+
+	// Test beforeDate filter
+	beforeTime := time.Now().UTC().Add(-1 * time.Minute)
+	filteredResponse, err := service.GetWorkspaceAuditLogs(workspace1ID,
+		&GetAuditLogsRequest{Limit: 10, BeforeDate: &beforeTime})
+	assert.NoError(t, err)
+	for _, log := range filteredResponse.AuditLogs {
+		assert.True(t, log.CreatedAt.Before(beforeTime))
+		assert.NotNil(t, log.UserEmail, "User email should be present for logs with user_id")
+		assert.NotNil(
+			t,
+			log.WorkspaceName,
+			"Workspace name should be present for logs with workspace_id",
+		)
+	}
+}
+
+func createAuditLog(service *AuditLogService, message string, userID, workspaceID *uuid.UUID) {
+	service.WriteAuditLog(message, userID, workspaceID)
+}
+
+func extractMessages(logs []*AuditLogDTO) []string {
+	messages := make([]string, len(logs))
+	for i, log := range logs {
+		messages[i] = log.Message
+	}
+	return messages
+}

backend/internal/features/backups/backups/background_service_test.go

@@ -6,7 +6,9 @@ import (
 	"postgresus-backend/internal/features/intervals"
 	"postgresus-backend/internal/features/notifiers"
 	"postgresus-backend/internal/features/storages"
-	"postgresus-backend/internal/features/users"
+	users_enums "postgresus-backend/internal/features/users/enums"
+	users_testing "postgresus-backend/internal/features/users/testing"
+	workspaces_testing "postgresus-backend/internal/features/workspaces/testing"
 	"postgresus-backend/internal/util/period"
 	"testing"
 	"time"
@@ -16,10 +18,12 @@ import (
 
 func Test_MakeBackupForDbHavingBackupDayAgo_BackupCreated(t *testing.T) {
 	// setup data
-	user := users.GetTestUser()
-	storage := storages.CreateTestStorage(user.UserID)
-	notifier := notifiers.CreateTestNotifier(user.UserID)
-	database := databases.CreateTestDatabase(user.UserID, storage, notifier)
+	user := users_testing.CreateTestUser(users_enums.UserRoleAdmin)
+	router := CreateTestRouter()
+	workspace := workspaces_testing.CreateTestWorkspace("Test Workspace", user, router)
+	storage := storages.CreateTestStorage(workspace.ID)
+	notifier := notifiers.CreateTestNotifier(workspace.ID)
+	database := databases.CreateTestDatabase(workspace.ID, storage, notifier)
 
 	// Enable backups for the database
 	backupConfig, err := backups_config.GetBackupConfigService().GetBackupConfigByDbId(database.ID)
@@ -40,11 +44,8 @@ func Test_MakeBackupForDbHavingBackupDayAgo_BackupCreated(t *testing.T) {
 
 	// add old backup
 	backupRepository.Save(&Backup{
-		Database:   database,
 		DatabaseID: database.ID,
-
-		Storage:   storage,
-		StorageID: storage.ID,
+		StorageID:  storage.ID,
 
 		Status: BackupStatusCompleted,
 
@@ -67,16 +68,20 @@ func Test_MakeBackupForDbHavingBackupDayAgo_BackupCreated(t *testing.T) {
 	}
 
 	databases.RemoveTestDatabase(database)
-	storages.RemoveTestStorage(storage.ID)
+	time.Sleep(50 * time.Millisecond) // Wait for cascading deletes
 	notifiers.RemoveTestNotifier(notifier)
+	storages.RemoveTestStorage(storage.ID)
+	workspaces_testing.RemoveTestWorkspace(workspace, router)
 }
 
 func Test_MakeBackupForDbHavingHourAgoBackup_BackupSkipped(t *testing.T) {
 	// setup data
-	user := users.GetTestUser()
-	storage := storages.CreateTestStorage(user.UserID)
-	notifier := notifiers.CreateTestNotifier(user.UserID)
-	database := databases.CreateTestDatabase(user.UserID, storage, notifier)
+	user := users_testing.CreateTestUser(users_enums.UserRoleAdmin)
+	router := CreateTestRouter()
+	workspace := workspaces_testing.CreateTestWorkspace("Test Workspace", user, router)
+	storage := storages.CreateTestStorage(workspace.ID)
+	notifier := notifiers.CreateTestNotifier(workspace.ID)
+	database := databases.CreateTestDatabase(workspace.ID, storage, notifier)
 
 	// Enable backups for the database
 	backupConfig, err := backups_config.GetBackupConfigService().GetBackupConfigByDbId(database.ID)
@@ -97,11 +102,8 @@ func Test_MakeBackupForDbHavingHourAgoBackup_BackupSkipped(t *testing.T) {
 
 	// add recent backup (1 hour ago)
 	backupRepository.Save(&Backup{
-		Database:   database,
 		DatabaseID: database.ID,
-
-		Storage:   storage,
-		StorageID: storage.ID,
+		StorageID:  storage.ID,
 
 		Status: BackupStatusCompleted,
 
@@ -124,16 +126,20 @@ func Test_MakeBackupForDbHavingHourAgoBackup_BackupSkipped(t *testing.T) {
 	}
 
 	databases.RemoveTestDatabase(database)
-	storages.RemoveTestStorage(storage.ID)
+	time.Sleep(50 * time.Millisecond) // Wait for cascading deletes
 	notifiers.RemoveTestNotifier(notifier)
+	storages.RemoveTestStorage(storage.ID)
+	workspaces_testing.RemoveTestWorkspace(workspace, router)
 }
 
 func Test_MakeBackupHavingFailedBackupWithoutRetries_BackupSkipped(t *testing.T) {
 	// setup data
-	user := users.GetTestUser()
-	storage := storages.CreateTestStorage(user.UserID)
-	notifier := notifiers.CreateTestNotifier(user.UserID)
-	database := databases.CreateTestDatabase(user.UserID, storage, notifier)
+	user := users_testing.CreateTestUser(users_enums.UserRoleAdmin)
+	router := CreateTestRouter()
+	workspace := workspaces_testing.CreateTestWorkspace("Test Workspace", user, router)
+	storage := storages.CreateTestStorage(workspace.ID)
+	notifier := notifiers.CreateTestNotifier(workspace.ID)
+	database := databases.CreateTestDatabase(workspace.ID, storage, notifier)
 
 	// Enable backups for the database with retries disabled
 	backupConfig, err := backups_config.GetBackupConfigService().GetBackupConfigByDbId(database.ID)
@@ -157,11 +163,8 @@ func Test_MakeBackupHavingFailedBackupWithoutRetries_BackupSkipped(t *testing.T)
 	// add failed backup
 	failMessage := "backup failed"
 	backupRepository.Save(&Backup{
-		Database:   database,
 		DatabaseID: database.ID,
-
-		Storage:   storage,
-		StorageID: storage.ID,
+		StorageID:  storage.ID,
 
 		Status:      BackupStatusFailed,
 		FailMessage: &failMessage,
@@ -185,16 +188,20 @@ func Test_MakeBackupHavingFailedBackupWithoutRetries_BackupSkipped(t *testing.T)
 	}
 
 	databases.RemoveTestDatabase(database)
-	storages.RemoveTestStorage(storage.ID)
+	time.Sleep(50 * time.Millisecond) // Wait for cascading deletes
 	notifiers.RemoveTestNotifier(notifier)
+	storages.RemoveTestStorage(storage.ID)
+	workspaces_testing.RemoveTestWorkspace(workspace, router)
 }
 
 func Test_MakeBackupHavingFailedBackupWithRetries_BackupCreated(t *testing.T) {
 	// setup data
-	user := users.GetTestUser()
-	storage := storages.CreateTestStorage(user.UserID)
-	notifier := notifiers.CreateTestNotifier(user.UserID)
-	database := databases.CreateTestDatabase(user.UserID, storage, notifier)
+	user := users_testing.CreateTestUser(users_enums.UserRoleAdmin)
+	router := CreateTestRouter()
+	workspace := workspaces_testing.CreateTestWorkspace("Test Workspace", user, router)
+	storage := storages.CreateTestStorage(workspace.ID)
+	notifier := notifiers.CreateTestNotifier(workspace.ID)
+	database := databases.CreateTestDatabase(workspace.ID, storage, notifier)
 
 	// Enable backups for the database with retries enabled
 	backupConfig, err := backups_config.GetBackupConfigService().GetBackupConfigByDbId(database.ID)
@@ -218,11 +225,8 @@ func Test_MakeBackupHavingFailedBackupWithRetries_BackupCreated(t *testing.T) {
 	// add failed backup
 	failMessage := "backup failed"
 	backupRepository.Save(&Backup{
-		Database:   database,
 		DatabaseID: database.ID,
-
-		Storage:   storage,
-		StorageID: storage.ID,
+		StorageID:  storage.ID,
 
 		Status:      BackupStatusFailed,
 		FailMessage: &failMessage,
@@ -246,16 +250,20 @@ func Test_MakeBackupHavingFailedBackupWithRetries_BackupCreated(t *testing.T) {
 	}
 
 	databases.RemoveTestDatabase(database)
-	storages.RemoveTestStorage(storage.ID)
+	time.Sleep(100 * time.Millisecond) // Wait for cascading deletes
 	notifiers.RemoveTestNotifier(notifier)
+	storages.RemoveTestStorage(storage.ID)
+	workspaces_testing.RemoveTestWorkspace(workspace, router)
 }
 
 func Test_MakeBackupHavingFailedBackupWithRetries_RetriesCountNotExceeded(t *testing.T) {
 	// setup data
-	user := users.GetTestUser()
-	storage := storages.CreateTestStorage(user.UserID)
-	notifier := notifiers.CreateTestNotifier(user.UserID)
-	database := databases.CreateTestDatabase(user.UserID, storage, notifier)
+	user := users_testing.CreateTestUser(users_enums.UserRoleAdmin)
+	router := CreateTestRouter()
+	workspace := workspaces_testing.CreateTestWorkspace("Test Workspace", user, router)
+	storage := storages.CreateTestStorage(workspace.ID)
+	notifier := notifiers.CreateTestNotifier(workspace.ID)
+	database := databases.CreateTestDatabase(workspace.ID, storage, notifier)
 
 	// Enable backups for the database with retries enabled
 	backupConfig, err := backups_config.GetBackupConfigService().GetBackupConfigByDbId(database.ID)
@@ -280,11 +288,8 @@ func Test_MakeBackupHavingFailedBackupWithRetries_RetriesCountNotExceeded(t *tes
 
 	for i := 0; i < 3; i++ {
 		backupRepository.Save(&Backup{
-			Database:   database,
 			DatabaseID: database.ID,
-
-			Storage:   storage,
-			StorageID: storage.ID,
+			StorageID:  storage.ID,
 
 			Status:      BackupStatusFailed,
 			FailMessage: &failMessage,
@@ -309,6 +314,8 @@ func Test_MakeBackupHavingFailedBackupWithRetries_RetriesCountNotExceeded(t *tes
 	}
 
 	databases.RemoveTestDatabase(database)
-	storages.RemoveTestStorage(storage.ID)
+	time.Sleep(50 * time.Millisecond) // Wait for cascading deletes
 	notifiers.RemoveTestNotifier(notifier)
+	storages.RemoveTestStorage(storage.ID)
+	workspaces_testing.RemoveTestWorkspace(workspace, router)
 }

backend/internal/features/backups/backups/backup_context_manager.go

@@ -0,0 +1,47 @@
+package backups
+
+import (
+	"context"
+	"errors"
+	"sync"
+
+	"github.com/google/uuid"
+)
+
+type BackupContextManager struct {
+	mu          sync.RWMutex
+	cancelFuncs map[uuid.UUID]context.CancelFunc
+}
+
+func NewBackupContextManager() *BackupContextManager {
+	return &BackupContextManager{
+		cancelFuncs: make(map[uuid.UUID]context.CancelFunc),
+	}
+}
+
+func (m *BackupContextManager) RegisterBackup(backupID uuid.UUID, cancelFunc context.CancelFunc) {
+	m.mu.Lock()
+	defer m.mu.Unlock()
+	m.cancelFuncs[backupID] = cancelFunc
+}
+
+func (m *BackupContextManager) CancelBackup(backupID uuid.UUID) error {
+	m.mu.Lock()
+	defer m.mu.Unlock()
+
+	cancelFunc, exists := m.cancelFuncs[backupID]
+	if !exists {
+		return errors.New("backup is not in progress or already completed")
+	}
+
+	cancelFunc()
+	delete(m.cancelFuncs, backupID)
+
+	return nil
+}
+
+func (m *BackupContextManager) UnregisterBackup(backupID uuid.UUID) {
+	m.mu.Lock()
+	defer m.mu.Unlock()
+	delete(m.cancelFuncs, backupID)
+}

backend/internal/features/backups/backups/controller.go

@@ -4,7 +4,7 @@ import (
 	"fmt"
 	"io"
 	"net/http"
-	"postgresus-backend/internal/features/users"
+	users_middleware "postgresus-backend/internal/features/users/middleware"
 
 	"github.com/gin-gonic/gin"
 	"github.com/google/uuid"
@@ -12,7 +12,6 @@ import (
 
 type BackupController struct {
 	backupService *BackupService
-	userService   *users.UserService
 }
 
 func (c *BackupController) RegisterRoutes(router *gin.RouterGroup) {
@@ -20,51 +19,48 @@ func (c *BackupController) RegisterRoutes(router *gin.RouterGroup) {
 	router.POST("/backups", c.MakeBackup)
 	router.GET("/backups/:id/file", c.GetFile)
 	router.DELETE("/backups/:id", c.DeleteBackup)
+	router.POST("/backups/:id/cancel", c.CancelBackup)
 }
 
 // GetBackups
 // @Summary Get backups for a database
-// @Description Get all backups for the specified database
+// @Description Get paginated backups for the specified database
 // @Tags backups
 // @Produce json
 // @Param database_id query string true "Database ID"
-// @Success 200 {array} Backup
+// @Param limit query int false "Number of items per page" default(10)
+// @Param offset query int false "Offset for pagination" default(0)
+// @Success 200 {object} GetBackupsResponse
 // @Failure 400
 // @Failure 401
 // @Failure 500
 // @Router /backups [get]
 func (c *BackupController) GetBackups(ctx *gin.Context) {
-	databaseIDStr := ctx.Query("database_id")
-	if databaseIDStr == "" {
-		ctx.JSON(http.StatusBadRequest, gin.H{"error": "database_id query parameter is required"})
+	user, ok := users_middleware.GetUserFromContext(ctx)
+	if !ok {
+		ctx.JSON(http.StatusUnauthorized, gin.H{"error": "User not authenticated"})
 		return
 	}
 
-	databaseID, err := uuid.Parse(databaseIDStr)
+	var request GetBackupsRequest
+	if err := ctx.ShouldBindQuery(&request); err != nil {
+		ctx.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+		return
+	}
+
+	databaseID, err := uuid.Parse(request.DatabaseID)
 	if err != nil {
 		ctx.JSON(http.StatusBadRequest, gin.H{"error": "invalid database_id"})
 		return
 	}
 
-	authorizationHeader := ctx.GetHeader("Authorization")
-	if authorizationHeader == "" {
-		ctx.JSON(http.StatusUnauthorized, gin.H{"error": "authorization header is required"})
-		return
-	}
-
-	user, err := c.userService.GetUserFromToken(authorizationHeader)
-	if err != nil {
-		ctx.JSON(http.StatusUnauthorized, gin.H{"error": "invalid token"})
-		return
-	}
-
-	backups, err := c.backupService.GetBackups(user, databaseID)
+	response, err := c.backupService.GetBackups(user, databaseID, request.Limit, request.Offset)
 	if err != nil {
 		ctx.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
 		return
 	}
 
-	ctx.JSON(http.StatusOK, backups)
+	ctx.JSON(http.StatusOK, response)
 }
 
 // MakeBackup
@@ -80,24 +76,18 @@ func (c *BackupController) GetBackups(ctx *gin.Context) {
 // @Failure 500
 // @Router /backups [post]
 func (c *BackupController) MakeBackup(ctx *gin.Context) {
+	user, ok := users_middleware.GetUserFromContext(ctx)
+	if !ok {
+		ctx.JSON(http.StatusUnauthorized, gin.H{"error": "User not authenticated"})
+		return
+	}
+
 	var request MakeBackupRequest
 	if err := ctx.ShouldBindJSON(&request); err != nil {
 		ctx.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
 		return
 	}
 
-	authorizationHeader := ctx.GetHeader("Authorization")
-	if authorizationHeader == "" {
-		ctx.JSON(http.StatusUnauthorized, gin.H{"error": "authorization header is required"})
-		return
-	}
-
-	user, err := c.userService.GetUserFromToken(authorizationHeader)
-	if err != nil {
-		ctx.JSON(http.StatusUnauthorized, gin.H{"error": "invalid token"})
-		return
-	}
-
 	if err := c.backupService.MakeBackupWithAuth(user, request.DatabaseID); err != nil {
 		ctx.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
 		return
@@ -117,24 +107,18 @@ func (c *BackupController) MakeBackup(ctx *gin.Context) {
 // @Failure 500
 // @Router /backups/{id} [delete]
 func (c *BackupController) DeleteBackup(ctx *gin.Context) {
+	user, ok := users_middleware.GetUserFromContext(ctx)
+	if !ok {
+		ctx.JSON(http.StatusUnauthorized, gin.H{"error": "User not authenticated"})
+		return
+	}
+
 	id, err := uuid.Parse(ctx.Param("id"))
 	if err != nil {
 		ctx.JSON(http.StatusBadRequest, gin.H{"error": "invalid backup ID"})
 		return
 	}
 
-	authorizationHeader := ctx.GetHeader("Authorization")
-	if authorizationHeader == "" {
-		ctx.JSON(http.StatusUnauthorized, gin.H{"error": "authorization header is required"})
-		return
-	}
-
-	user, err := c.userService.GetUserFromToken(authorizationHeader)
-	if err != nil {
-		ctx.JSON(http.StatusUnauthorized, gin.H{"error": "invalid token"})
-		return
-	}
-
 	if err := c.backupService.DeleteBackup(user, id); err != nil {
 		ctx.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
 		return
@@ -143,6 +127,37 @@ func (c *BackupController) DeleteBackup(ctx *gin.Context) {
 	ctx.Status(http.StatusNoContent)
 }
 
+// CancelBackup
+// @Summary Cancel an in-progress backup
+// @Description Cancel a backup that is currently in progress
+// @Tags backups
+// @Param id path string true "Backup ID"
+// @Success 204
+// @Failure 400
+// @Failure 401
+// @Failure 500
+// @Router /backups/{id}/cancel [post]
+func (c *BackupController) CancelBackup(ctx *gin.Context) {
+	user, ok := users_middleware.GetUserFromContext(ctx)
+	if !ok {
+		ctx.JSON(http.StatusUnauthorized, gin.H{"error": "User not authenticated"})
+		return
+	}
+
+	id, err := uuid.Parse(ctx.Param("id"))
+	if err != nil {
+		ctx.JSON(http.StatusBadRequest, gin.H{"error": "invalid backup ID"})
+		return
+	}
+
+	if err := c.backupService.CancelBackup(user, id); err != nil {
+		ctx.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+		return
+	}
+
+	ctx.Status(http.StatusNoContent)
+}
+
 // GetFile
 // @Summary Download a backup file
 // @Description Download the backup file for the specified backup
@@ -154,24 +169,18 @@ func (c *BackupController) DeleteBackup(ctx *gin.Context) {
 // @Failure 500
 // @Router /backups/{id}/file [get]
 func (c *BackupController) GetFile(ctx *gin.Context) {
+	user, ok := users_middleware.GetUserFromContext(ctx)
+	if !ok {
+		ctx.JSON(http.StatusUnauthorized, gin.H{"error": "User not authenticated"})
+		return
+	}
+
 	id, err := uuid.Parse(ctx.Param("id"))
 	if err != nil {
 		ctx.JSON(http.StatusBadRequest, gin.H{"error": "invalid backup ID"})
 		return
 	}
 
-	authorizationHeader := ctx.GetHeader("Authorization")
-	if authorizationHeader == "" {
-		ctx.JSON(http.StatusUnauthorized, gin.H{"error": "authorization header is required"})
-		return
-	}
-
-	user, err := c.userService.GetUserFromToken(authorizationHeader)
-	if err != nil {
-		ctx.JSON(http.StatusUnauthorized, gin.H{"error": "invalid token"})
-		return
-	}
-
 	fileReader, err := c.backupService.GetBackupFile(user, id)
 	if err != nil {
 		ctx.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
@@ -179,19 +188,16 @@ func (c *BackupController) GetFile(ctx *gin.Context) {
 	}
 	defer func() {
 		if err := fileReader.Close(); err != nil {
-			// Log the error but don't interrupt the response
 			fmt.Printf("Error closing file reader: %v\n", err)
 		}
 	}()
 
-	// Set headers for file download
 	ctx.Header("Content-Type", "application/octet-stream")
 	ctx.Header(
 		"Content-Disposition",
 		fmt.Sprintf("attachment; filename=\"backup_%s.dump\"", id.String()),
 	)
 
-	// Stream the file content
 	_, err = io.Copy(ctx.Writer, fileReader)
 	if err != nil {
 		ctx.JSON(http.StatusInternalServerError, gin.H{"error": "failed to stream file"})

backend/internal/features/backups/backups/controller_test.go

@@ -0,0 +1,708 @@
+package backups
+
+import (
+	"encoding/json"
+	"fmt"
+	"io"
+	"log/slog"
+	"net/http"
+	"strings"
+	"testing"
+	"time"
+
+	"github.com/gin-gonic/gin"
+	"github.com/google/uuid"
+	"github.com/stretchr/testify/assert"
+
+	audit_logs "postgresus-backend/internal/features/audit_logs"
+	backups_config "postgresus-backend/internal/features/backups/config"
+	"postgresus-backend/internal/features/databases"
+	"postgresus-backend/internal/features/databases/databases/postgresql"
+	"postgresus-backend/internal/features/storages"
+	local_storage "postgresus-backend/internal/features/storages/models/local"
+	users_dto "postgresus-backend/internal/features/users/dto"
+	users_enums "postgresus-backend/internal/features/users/enums"
+	users_services "postgresus-backend/internal/features/users/services"
+	users_testing "postgresus-backend/internal/features/users/testing"
+	workspaces_models "postgresus-backend/internal/features/workspaces/models"
+	workspaces_testing "postgresus-backend/internal/features/workspaces/testing"
+	test_utils "postgresus-backend/internal/util/testing"
+	"postgresus-backend/internal/util/tools"
+)
+
+func Test_GetBackups_PermissionsEnforced(t *testing.T) {
+	tests := []struct {
+		name               string
+		workspaceRole      *users_enums.WorkspaceRole
+		isGlobalAdmin      bool
+		expectSuccess      bool
+		expectedStatusCode int
+	}{
+		{
+			name:               "workspace viewer can get backups",
+			workspaceRole:      func() *users_enums.WorkspaceRole { r := users_enums.WorkspaceRoleViewer; return &r }(),
+			isGlobalAdmin:      false,
+			expectSuccess:      true,
+			expectedStatusCode: http.StatusOK,
+		},
+		{
+			name:               "workspace member can get backups",
+			workspaceRole:      func() *users_enums.WorkspaceRole { r := users_enums.WorkspaceRoleMember; return &r }(),
+			isGlobalAdmin:      false,
+			expectSuccess:      true,
+			expectedStatusCode: http.StatusOK,
+		},
+		{
+			name:               "non-member cannot get backups",
+			workspaceRole:      nil,
+			isGlobalAdmin:      false,
+			expectSuccess:      false,
+			expectedStatusCode: http.StatusBadRequest,
+		},
+		{
+			name:               "global admin can get backups",
+			workspaceRole:      nil,
+			isGlobalAdmin:      true,
+			expectSuccess:      true,
+			expectedStatusCode: http.StatusOK,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			router := createTestRouter()
+			owner := users_testing.CreateTestUser(users_enums.UserRoleMember)
+			workspace := workspaces_testing.CreateTestWorkspace("Test Workspace", owner, router)
+
+			database, _ := createTestDatabaseWithBackups(workspace, owner, router)
+
+			var testUserToken string
+			if tt.isGlobalAdmin {
+				admin := users_testing.CreateTestUser(users_enums.UserRoleAdmin)
+				testUserToken = admin.Token
+			} else if tt.workspaceRole != nil {
+				if *tt.workspaceRole == users_enums.WorkspaceRoleOwner {
+					testUserToken = owner.Token
+				} else {
+					member := users_testing.CreateTestUser(users_enums.UserRoleMember)
+					workspaces_testing.AddMemberToWorkspace(workspace, member, *tt.workspaceRole, owner.Token, router)
+					testUserToken = member.Token
+				}
+			} else {
+				nonMember := users_testing.CreateTestUser(users_enums.UserRoleMember)
+				testUserToken = nonMember.Token
+			}
+
+			testResp := test_utils.MakeGetRequest(
+				t,
+				router,
+				fmt.Sprintf("/api/v1/backups?database_id=%s", database.ID.String()),
+				"Bearer "+testUserToken,
+				tt.expectedStatusCode,
+			)
+
+			if tt.expectSuccess {
+				var response GetBackupsResponse
+				err := json.Unmarshal(testResp.Body, &response)
+				assert.NoError(t, err)
+				assert.GreaterOrEqual(t, len(response.Backups), 1)
+				assert.GreaterOrEqual(t, response.Total, int64(1))
+			} else {
+				assert.Contains(t, string(testResp.Body), "insufficient permissions")
+			}
+		})
+	}
+}
+
+func Test_CreateBackup_PermissionsEnforced(t *testing.T) {
+	tests := []struct {
+		name               string
+		workspaceRole      *users_enums.WorkspaceRole
+		isGlobalAdmin      bool
+		expectSuccess      bool
+		expectedStatusCode int
+	}{
+		{
+			name:               "workspace owner can create backup",
+			workspaceRole:      func() *users_enums.WorkspaceRole { r := users_enums.WorkspaceRoleOwner; return &r }(),
+			isGlobalAdmin:      false,
+			expectSuccess:      true,
+			expectedStatusCode: http.StatusOK,
+		},
+		{
+			name:               "workspace member can create backup",
+			workspaceRole:      func() *users_enums.WorkspaceRole { r := users_enums.WorkspaceRoleMember; return &r }(),
+			isGlobalAdmin:      false,
+			expectSuccess:      true,
+			expectedStatusCode: http.StatusOK,
+		},
+		{
+			name:               "workspace viewer can create backup",
+			workspaceRole:      func() *users_enums.WorkspaceRole { r := users_enums.WorkspaceRoleViewer; return &r }(),
+			isGlobalAdmin:      false,
+			expectSuccess:      true,
+			expectedStatusCode: http.StatusOK,
+		},
+		{
+			name:               "non-member cannot create backup",
+			workspaceRole:      nil,
+			isGlobalAdmin:      false,
+			expectSuccess:      false,
+			expectedStatusCode: http.StatusBadRequest,
+		},
+		{
+			name:               "global admin can create backup",
+			workspaceRole:      nil,
+			isGlobalAdmin:      true,
+			expectSuccess:      true,
+			expectedStatusCode: http.StatusOK,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			router := createTestRouter()
+			owner := users_testing.CreateTestUser(users_enums.UserRoleMember)
+			workspace := workspaces_testing.CreateTestWorkspace("Test Workspace", owner, router)
+
+			database := createTestDatabase("Test Database", workspace.ID, owner.Token, router)
+			enableBackupForDatabase(database.ID)
+
+			var testUserToken string
+			if tt.isGlobalAdmin {
+				admin := users_testing.CreateTestUser(users_enums.UserRoleAdmin)
+				testUserToken = admin.Token
+			} else if tt.workspaceRole != nil {
+				if *tt.workspaceRole == users_enums.WorkspaceRoleOwner {
+					testUserToken = owner.Token
+				} else {
+					member := users_testing.CreateTestUser(users_enums.UserRoleMember)
+					workspaces_testing.AddMemberToWorkspace(workspace, member, *tt.workspaceRole, owner.Token, router)
+					testUserToken = member.Token
+				}
+			} else {
+				nonMember := users_testing.CreateTestUser(users_enums.UserRoleMember)
+				testUserToken = nonMember.Token
+			}
+
+			request := MakeBackupRequest{DatabaseID: database.ID}
+			testResp := test_utils.MakePostRequest(
+				t,
+				router,
+				"/api/v1/backups",
+				"Bearer "+testUserToken,
+				request,
+				tt.expectedStatusCode,
+			)
+
+			if tt.expectSuccess {
+				assert.Contains(t, string(testResp.Body), "backup started successfully")
+			} else {
+				assert.Contains(t, string(testResp.Body), "insufficient permissions")
+			}
+		})
+	}
+}
+
+func Test_CreateBackup_AuditLogWritten(t *testing.T) {
+	router := createTestRouter()
+	owner := users_testing.CreateTestUser(users_enums.UserRoleMember)
+	workspace := workspaces_testing.CreateTestWorkspace("Test Workspace", owner, router)
+
+	database := createTestDatabase("Test Database", workspace.ID, owner.Token, router)
+	enableBackupForDatabase(database.ID)
+
+	request := MakeBackupRequest{DatabaseID: database.ID}
+	test_utils.MakePostRequest(
+		t,
+		router,
+		"/api/v1/backups",
+		"Bearer "+owner.Token,
+		request,
+		http.StatusOK,
+	)
+
+	time.Sleep(100 * time.Millisecond)
+
+	auditLogService := audit_logs.GetAuditLogService()
+	auditLogs, err := auditLogService.GetWorkspaceAuditLogs(
+		workspace.ID,
+		&audit_logs.GetAuditLogsRequest{
+			Limit:  100,
+			Offset: 0,
+		},
+	)
+	assert.NoError(t, err)
+
+	found := false
+	for _, log := range auditLogs.AuditLogs {
+		if strings.Contains(log.Message, "Backup manually initiated") &&
+			strings.Contains(log.Message, database.Name) {
+			found = true
+			break
+		}
+	}
+	assert.True(t, found, "Audit log for backup creation not found")
+}
+
+func Test_DeleteBackup_PermissionsEnforced(t *testing.T) {
+	tests := []struct {
+		name               string
+		workspaceRole      *users_enums.WorkspaceRole
+		isGlobalAdmin      bool
+		expectSuccess      bool
+		expectedStatusCode int
+	}{
+		{
+			name:               "workspace owner can delete backup",
+			workspaceRole:      func() *users_enums.WorkspaceRole { r := users_enums.WorkspaceRoleOwner; return &r }(),
+			isGlobalAdmin:      false,
+			expectSuccess:      true,
+			expectedStatusCode: http.StatusNoContent,
+		},
+		{
+			name:               "workspace member can delete backup",
+			workspaceRole:      func() *users_enums.WorkspaceRole { r := users_enums.WorkspaceRoleMember; return &r }(),
+			isGlobalAdmin:      false,
+			expectSuccess:      true,
+			expectedStatusCode: http.StatusNoContent,
+		},
+		{
+			name:               "workspace viewer cannot delete backup",
+			workspaceRole:      func() *users_enums.WorkspaceRole { r := users_enums.WorkspaceRoleViewer; return &r }(),
+			isGlobalAdmin:      false,
+			expectSuccess:      false,
+			expectedStatusCode: http.StatusBadRequest,
+		},
+		{
+			name:               "non-member cannot delete backup",
+			workspaceRole:      nil,
+			isGlobalAdmin:      false,
+			expectSuccess:      false,
+			expectedStatusCode: http.StatusBadRequest,
+		},
+		{
+			name:               "global admin can delete backup",
+			workspaceRole:      nil,
+			isGlobalAdmin:      true,
+			expectSuccess:      true,
+			expectedStatusCode: http.StatusNoContent,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			router := createTestRouter()
+			owner := users_testing.CreateTestUser(users_enums.UserRoleMember)
+			workspace := workspaces_testing.CreateTestWorkspace("Test Workspace", owner, router)
+
+			database, backup := createTestDatabaseWithBackups(workspace, owner, router)
+
+			var testUserToken string
+			if tt.isGlobalAdmin {
+				admin := users_testing.CreateTestUser(users_enums.UserRoleAdmin)
+				testUserToken = admin.Token
+			} else if tt.workspaceRole != nil {
+				if *tt.workspaceRole == users_enums.WorkspaceRoleOwner {
+					testUserToken = owner.Token
+				} else {
+					member := users_testing.CreateTestUser(users_enums.UserRoleMember)
+					workspaces_testing.AddMemberToWorkspace(workspace, member, *tt.workspaceRole, owner.Token, router)
+					testUserToken = member.Token
+				}
+			} else {
+				nonMember := users_testing.CreateTestUser(users_enums.UserRoleMember)
+				testUserToken = nonMember.Token
+			}
+
+			testResp := test_utils.MakeDeleteRequest(
+				t,
+				router,
+				fmt.Sprintf("/api/v1/backups/%s", backup.ID.String()),
+				"Bearer "+testUserToken,
+				tt.expectedStatusCode,
+			)
+
+			if !tt.expectSuccess {
+				assert.Contains(t, string(testResp.Body), "insufficient permissions")
+			} else {
+				userService := users_services.GetUserService()
+				ownerUser, err := userService.GetUserFromToken(owner.Token)
+				assert.NoError(t, err)
+
+				response, err := GetBackupService().GetBackups(ownerUser, database.ID, 10, 0)
+				assert.NoError(t, err)
+				assert.Equal(t, 0, len(response.Backups))
+			}
+		})
+	}
+}
+
+func Test_DeleteBackup_AuditLogWritten(t *testing.T) {
+	router := createTestRouter()
+	owner := users_testing.CreateTestUser(users_enums.UserRoleMember)
+	workspace := workspaces_testing.CreateTestWorkspace("Test Workspace", owner, router)
+
+	database, backup := createTestDatabaseWithBackups(workspace, owner, router)
+
+	test_utils.MakeDeleteRequest(
+		t,
+		router,
+		fmt.Sprintf("/api/v1/backups/%s", backup.ID.String()),
+		"Bearer "+owner.Token,
+		http.StatusNoContent,
+	)
+
+	time.Sleep(100 * time.Millisecond)
+
+	auditLogService := audit_logs.GetAuditLogService()
+	auditLogs, err := auditLogService.GetWorkspaceAuditLogs(
+		workspace.ID,
+		&audit_logs.GetAuditLogsRequest{
+			Limit:  100,
+			Offset: 0,
+		},
+	)
+	assert.NoError(t, err)
+
+	found := false
+	for _, log := range auditLogs.AuditLogs {
+		if strings.Contains(log.Message, "Backup deleted") &&
+			strings.Contains(log.Message, database.Name) {
+			found = true
+			break
+		}
+	}
+	assert.True(t, found, "Audit log for backup deletion not found")
+}
+
+func Test_DownloadBackup_PermissionsEnforced(t *testing.T) {
+	tests := []struct {
+		name               string
+		workspaceRole      *users_enums.WorkspaceRole
+		isGlobalAdmin      bool
+		expectSuccess      bool
+		expectedStatusCode int
+	}{
+		{
+			name:               "workspace viewer can download backup",
+			workspaceRole:      func() *users_enums.WorkspaceRole { r := users_enums.WorkspaceRoleViewer; return &r }(),
+			isGlobalAdmin:      false,
+			expectSuccess:      true,
+			expectedStatusCode: http.StatusOK,
+		},
+		{
+			name:               "workspace member can download backup",
+			workspaceRole:      func() *users_enums.WorkspaceRole { r := users_enums.WorkspaceRoleMember; return &r }(),
+			isGlobalAdmin:      false,
+			expectSuccess:      true,
+			expectedStatusCode: http.StatusOK,
+		},
+		{
+			name:               "non-member cannot download backup",
+			workspaceRole:      nil,
+			isGlobalAdmin:      false,
+			expectSuccess:      false,
+			expectedStatusCode: http.StatusBadRequest,
+		},
+		{
+			name:               "global admin can download backup",
+			workspaceRole:      nil,
+			isGlobalAdmin:      true,
+			expectSuccess:      true,
+			expectedStatusCode: http.StatusOK,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			router := createTestRouter()
+			owner := users_testing.CreateTestUser(users_enums.UserRoleMember)
+			workspace := workspaces_testing.CreateTestWorkspace("Test Workspace", owner, router)
+
+			_, backup := createTestDatabaseWithBackups(workspace, owner, router)
+
+			var testUserToken string
+			if tt.isGlobalAdmin {
+				admin := users_testing.CreateTestUser(users_enums.UserRoleAdmin)
+				testUserToken = admin.Token
+			} else if tt.workspaceRole != nil {
+				if *tt.workspaceRole == users_enums.WorkspaceRoleOwner {
+					testUserToken = owner.Token
+				} else {
+					member := users_testing.CreateTestUser(users_enums.UserRoleMember)
+					workspaces_testing.AddMemberToWorkspace(workspace, member, *tt.workspaceRole, owner.Token, router)
+					testUserToken = member.Token
+				}
+			} else {
+				nonMember := users_testing.CreateTestUser(users_enums.UserRoleMember)
+				testUserToken = nonMember.Token
+			}
+
+			testResp := test_utils.MakeGetRequest(
+				t,
+				router,
+				fmt.Sprintf("/api/v1/backups/%s/file", backup.ID.String()),
+				"Bearer "+testUserToken,
+				tt.expectedStatusCode,
+			)
+
+			if !tt.expectSuccess {
+				assert.Contains(t, string(testResp.Body), "insufficient permissions")
+			}
+		})
+	}
+}
+
+func Test_DownloadBackup_AuditLogWritten(t *testing.T) {
+	router := createTestRouter()
+	owner := users_testing.CreateTestUser(users_enums.UserRoleMember)
+	workspace := workspaces_testing.CreateTestWorkspace("Test Workspace", owner, router)
+
+	database, backup := createTestDatabaseWithBackups(workspace, owner, router)
+
+	test_utils.MakeGetRequest(
+		t,
+		router,
+		fmt.Sprintf("/api/v1/backups/%s/file", backup.ID.String()),
+		"Bearer "+owner.Token,
+		http.StatusOK,
+	)
+
+	time.Sleep(100 * time.Millisecond)
+
+	auditLogService := audit_logs.GetAuditLogService()
+	auditLogs, err := auditLogService.GetWorkspaceAuditLogs(
+		workspace.ID,
+		&audit_logs.GetAuditLogsRequest{
+			Limit:  100,
+			Offset: 0,
+		},
+	)
+	assert.NoError(t, err)
+
+	found := false
+	for _, log := range auditLogs.AuditLogs {
+		if strings.Contains(log.Message, "Backup file downloaded") &&
+			strings.Contains(log.Message, database.Name) {
+			found = true
+			break
+		}
+	}
+	assert.True(t, found, "Audit log for backup download not found")
+}
+
+func Test_CancelBackup_InProgressBackup_SuccessfullyCancelled(t *testing.T) {
+	router := createTestRouter()
+	owner := users_testing.CreateTestUser(users_enums.UserRoleMember)
+	workspace := workspaces_testing.CreateTestWorkspace("Test Workspace", owner, router)
+	database := createTestDatabase("Test Database", workspace.ID, owner.Token, router)
+	storage := createTestStorage(workspace.ID)
+
+	configService := backups_config.GetBackupConfigService()
+	config, err := configService.GetBackupConfigByDbId(database.ID)
+	assert.NoError(t, err)
+
+	config.IsBackupsEnabled = true
+	config.StorageID = &storage.ID
+	config.Storage = storage
+	_, err = configService.SaveBackupConfig(config)
+	assert.NoError(t, err)
+
+	backup := &Backup{
+		ID:               uuid.New(),
+		DatabaseID:       database.ID,
+		StorageID:        storage.ID,
+		Status:           BackupStatusInProgress,
+		BackupSizeMb:     0,
+		BackupDurationMs: 0,
+		CreatedAt:        time.Now().UTC(),
+	}
+
+	repo := &BackupRepository{}
+	err = repo.Save(backup)
+	assert.NoError(t, err)
+
+	// Register a cancellable context for the backup
+	GetBackupService().backupContextManager.RegisterBackup(backup.ID, func() {})
+
+	resp := test_utils.MakePostRequest(
+		t,
+		router,
+		fmt.Sprintf("/api/v1/backups/%s/cancel", backup.ID.String()),
+		"Bearer "+owner.Token,
+		nil,
+		http.StatusNoContent,
+	)
+
+	assert.Equal(t, http.StatusNoContent, resp.StatusCode)
+
+	// Verify audit log was created
+	admin := users_testing.CreateTestUser(users_enums.UserRoleAdmin)
+	userService := users_services.GetUserService()
+	adminUser, err := userService.GetUserFromToken(admin.Token)
+	assert.NoError(t, err)
+
+	auditLogService := audit_logs.GetAuditLogService()
+	auditLogs, err := auditLogService.GetGlobalAuditLogs(
+		adminUser,
+		&audit_logs.GetAuditLogsRequest{Limit: 100, Offset: 0},
+	)
+	assert.NoError(t, err)
+
+	foundCancelLog := false
+	for _, log := range auditLogs.AuditLogs {
+		if strings.Contains(log.Message, "Backup cancelled") &&
+			strings.Contains(log.Message, database.Name) {
+			foundCancelLog = true
+			break
+		}
+	}
+	assert.True(t, foundCancelLog, "Cancel audit log should be created")
+}
+
+func createTestRouter() *gin.Engine {
+	return CreateTestRouter()
+}
+
+func createTestDatabase(
+	name string,
+	workspaceID uuid.UUID,
+	token string,
+	router *gin.Engine,
+) *databases.Database {
+	testDbName := "test_db"
+	request := databases.Database{
+		Name:        name,
+		WorkspaceID: &workspaceID,
+		Type:        databases.DatabaseTypePostgres,
+		Postgresql: &postgresql.PostgresqlDatabase{
+			Version:  tools.PostgresqlVersion16,
+			Host:     "localhost",
+			Port:     5432,
+			Username: "postgres",
+			Password: "postgres",
+			Database: &testDbName,
+		},
+	}
+
+	w := workspaces_testing.MakeAPIRequest(
+		router,
+		"POST",
+		"/api/v1/databases/create",
+		"Bearer "+token,
+		request,
+	)
+
+	if w.Code != http.StatusCreated {
+		panic(
+			fmt.Sprintf("Failed to create database. Status: %d, Body: %s", w.Code, w.Body.String()),
+		)
+	}
+
+	var database databases.Database
+	if err := json.Unmarshal(w.Body.Bytes(), &database); err != nil {
+		panic(err)
+	}
+
+	return &database
+}
+
+func createTestStorage(workspaceID uuid.UUID) *storages.Storage {
+	storage := &storages.Storage{
+		WorkspaceID:  workspaceID,
+		Type:         storages.StorageTypeLocal,
+		Name:         "Test Storage " + uuid.New().String(),
+		LocalStorage: &local_storage.LocalStorage{},
+	}
+
+	repo := &storages.StorageRepository{}
+	storage, err := repo.Save(storage)
+	if err != nil {
+		panic(err)
+	}
+
+	return storage
+}
+
+func enableBackupForDatabase(databaseID uuid.UUID) {
+	configService := backups_config.GetBackupConfigService()
+	config, err := configService.GetBackupConfigByDbId(databaseID)
+	if err != nil {
+		panic(err)
+	}
+
+	config.IsBackupsEnabled = true
+	_, err = configService.SaveBackupConfig(config)
+	if err != nil {
+		panic(err)
+	}
+}
+
+func createTestDatabaseWithBackups(
+	workspace *workspaces_models.Workspace,
+	owner *users_dto.SignInResponseDTO,
+	router *gin.Engine,
+) (*databases.Database, *Backup) {
+	database := createTestDatabase("Test Database", workspace.ID, owner.Token, router)
+	storage := createTestStorage(workspace.ID)
+
+	configService := backups_config.GetBackupConfigService()
+	config, err := configService.GetBackupConfigByDbId(database.ID)
+	if err != nil {
+		panic(err)
+	}
+
+	config.IsBackupsEnabled = true
+	config.StorageID = &storage.ID
+	config.Storage = storage
+	_, err = configService.SaveBackupConfig(config)
+	if err != nil {
+		panic(err)
+	}
+
+	backup := createTestBackup(database, owner)
+
+	return database, backup
+}
+
+func createTestBackup(
+	database *databases.Database,
+	owner *users_dto.SignInResponseDTO,
+) *Backup {
+	userService := users_services.GetUserService()
+	user, err := userService.GetUserFromToken(owner.Token)
+	if err != nil {
+		panic(err)
+	}
+
+	storages, err := storages.GetStorageService().GetStorages(user, *database.WorkspaceID)
+	if err != nil || len(storages) == 0 {
+		panic("No storage found for workspace")
+	}
+
+	backup := &Backup{
+		ID:               uuid.New(),
+		DatabaseID:       database.ID,
+		StorageID:        storages[0].ID,
+		Status:           BackupStatusCompleted,
+		BackupSizeMb:     10.5,
+		BackupDurationMs: 1000,
+		CreatedAt:        time.Now().UTC(),
+	}
+
+	repo := &BackupRepository{}
+	if err := repo.Save(backup); err != nil {
+		panic(err)
+	}
+
+	// Create a dummy backup file for testing download functionality
+	dummyContent := []byte("dummy backup content for testing")
+	reader := strings.NewReader(string(dummyContent))
+	logger := slog.New(slog.NewTextHandler(io.Discard, nil))
+	if err := storages[0].SaveFile(logger, backup.ID, reader); err != nil {
+		panic(fmt.Sprintf("Failed to create test backup file: %v", err))
+	}
+
+	return backup
+}

backend/internal/features/backups/backups/di.go

@@ -1,17 +1,22 @@
 package backups
 
 import (
+	audit_logs "postgresus-backend/internal/features/audit_logs"
 	"postgresus-backend/internal/features/backups/backups/usecases"
 	backups_config "postgresus-backend/internal/features/backups/config"
 	"postgresus-backend/internal/features/databases"
 	"postgresus-backend/internal/features/notifiers"
 	"postgresus-backend/internal/features/storages"
-	"postgresus-backend/internal/features/users"
+	users_repositories "postgresus-backend/internal/features/users/repositories"
+	workspaces_services "postgresus-backend/internal/features/workspaces/services"
 	"postgresus-backend/internal/util/logger"
 	"time"
 )
 
 var backupRepository = &BackupRepository{}
+
+var backupContextManager = NewBackupContextManager()
+
 var backupService = &BackupService{
 	databases.GetDatabaseService(),
 	storages.GetStorageService(),
@@ -19,9 +24,13 @@ var backupService = &BackupService{
 	notifiers.GetNotifierService(),
 	notifiers.GetNotifierService(),
 	backups_config.GetBackupConfigService(),
+	users_repositories.GetSecretKeyRepository(),
 	usecases.GetCreateBackupUsecase(),
 	logger.GetLogger(),
 	[]BackupRemoveListener{},
+	workspaces_services.GetWorkspaceService(),
+	audit_logs.GetAuditLogService(),
+	backupContextManager,
 }
 
 var backupBackgroundService = &BackupBackgroundService{
@@ -35,7 +44,6 @@ var backupBackgroundService = &BackupBackgroundService{
 
 var backupController = &BackupController{
 	backupService,
-	users.GetUserService(),
 }
 
 func SetupDependencies() {
@@ -44,6 +52,7 @@ func SetupDependencies() {
 		SetDatabaseStorageChangeListener(backupService)
 
 	databases.GetDatabaseService().AddDbRemoveListener(backupService)
+	databases.GetDatabaseService().AddDbCopyListener(backups_config.GetBackupConfigService())
 }
 
 func GetBackupService() *BackupService {

backend/internal/features/backups/backups/dto.go

@@ -0,0 +1,28 @@
+package backups
+
+import (
+	"io"
+	"postgresus-backend/internal/features/backups/backups/encryption"
+)
+
+type GetBackupsRequest struct {
+	DatabaseID string `form:"database_id" binding:"required"`
+	Limit      int    `form:"limit"`
+	Offset     int    `form:"offset"`
+}
+
+type GetBackupsResponse struct {
+	Backups []*Backup `json:"backups"`
+	Total   int64     `json:"total"`
+	Limit   int       `json:"limit"`
+	Offset  int       `json:"offset"`
+}
+
+type decryptionReaderCloser struct {
+	*encryption.DecryptionReader
+	baseReader io.ReadCloser
+}
+
+func (r *decryptionReaderCloser) Close() error {
+	return r.baseReader.Close()
+}

backend/internal/features/backups/backups/encryption/decrypting_reader.go

@@ -0,0 +1,156 @@
+package encryption
+
+import (
+	"crypto/aes"
+	"crypto/cipher"
+	"encoding/binary"
+	"fmt"
+	"io"
+
+	"github.com/google/uuid"
+)
+
+type DecryptionReader struct {
+	baseReader io.Reader
+	cipher     cipher.AEAD
+	buffer     []byte
+	nonce      []byte
+	chunkIndex uint64
+	headerRead bool
+	eof        bool
+}
+
+func NewDecryptionReader(
+	baseReader io.Reader,
+	masterKey string,
+	backupID uuid.UUID,
+	salt []byte,
+	nonce []byte,
+) (*DecryptionReader, error) {
+	if len(salt) != SaltLen {
+		return nil, fmt.Errorf("salt must be %d bytes, got %d", SaltLen, len(salt))
+	}
+	if len(nonce) != NonceLen {
+		return nil, fmt.Errorf("nonce must be %d bytes, got %d", NonceLen, len(nonce))
+	}
+
+	derivedKey, err := DeriveBackupKey(masterKey, backupID, salt)
+	if err != nil {
+		return nil, fmt.Errorf("failed to derive backup key: %w", err)
+	}
+
+	block, err := aes.NewCipher(derivedKey)
+	if err != nil {
+		return nil, fmt.Errorf("failed to create cipher: %w", err)
+	}
+
+	aesgcm, err := cipher.NewGCM(block)
+	if err != nil {
+		return nil, fmt.Errorf("failed to create GCM: %w", err)
+	}
+
+	reader := &DecryptionReader{
+		baseReader,
+		aesgcm,
+		make([]byte, 0),
+		nonce,
+		0,
+		false,
+		false,
+	}
+
+	if err := reader.readAndValidateHeader(salt, nonce); err != nil {
+		return nil, err
+	}
+
+	return reader, nil
+}
+
+func (r *DecryptionReader) Read(p []byte) (n int, err error) {
+	for len(r.buffer) < len(p) && !r.eof {
+		if err := r.readAndDecryptChunk(); err != nil {
+			if err == io.EOF {
+				r.eof = true
+				break
+			}
+			return 0, err
+		}
+	}
+
+	if len(r.buffer) == 0 {
+		return 0, io.EOF
+	}
+
+	n = copy(p, r.buffer)
+	r.buffer = r.buffer[n:]
+
+	return n, nil
+}
+
+func (r *DecryptionReader) readAndValidateHeader(expectedSalt, expectedNonce []byte) error {
+	header := make([]byte, HeaderLen)
+
+	if _, err := io.ReadFull(r.baseReader, header); err != nil {
+		return fmt.Errorf("failed to read header: %w", err)
+	}
+
+	magic := string(header[0:MagicBytesLen])
+	if magic != MagicBytes {
+		return fmt.Errorf("invalid magic bytes: expected %s, got %s", MagicBytes, magic)
+	}
+
+	salt := header[MagicBytesLen : MagicBytesLen+SaltLen]
+	nonce := header[MagicBytesLen+SaltLen : MagicBytesLen+SaltLen+NonceLen]
+
+	if string(salt) != string(expectedSalt) {
+		return fmt.Errorf("salt mismatch in file header")
+	}
+
+	if string(nonce) != string(expectedNonce) {
+		return fmt.Errorf("nonce mismatch in file header")
+	}
+
+	r.headerRead = true
+	return nil
+}
+
+func (r *DecryptionReader) readAndDecryptChunk() error {
+	lengthBuf := make([]byte, 4)
+	if _, err := io.ReadFull(r.baseReader, lengthBuf); err != nil {
+		return err
+	}
+
+	chunkLen := binary.BigEndian.Uint32(lengthBuf)
+	if chunkLen == 0 || chunkLen > ChunkSize+16 {
+		return fmt.Errorf("invalid chunk length: %d", chunkLen)
+	}
+
+	encrypted := make([]byte, chunkLen)
+	if _, err := io.ReadFull(r.baseReader, encrypted); err != nil {
+		return fmt.Errorf("failed to read encrypted chunk: %w", err)
+	}
+
+	chunkNonce := r.generateChunkNonce()
+
+	decrypted, err := r.cipher.Open(nil, chunkNonce, encrypted, nil)
+	if err != nil {
+		return fmt.Errorf(
+			"failed to decrypt chunk (authentication failed - file may be corrupted or tampered): %w",
+			err,
+		)
+	}
+
+	r.buffer = append(r.buffer, decrypted...)
+	r.chunkIndex++
+
+	return nil
+}
+
+func (r *DecryptionReader) generateChunkNonce() []byte {
+	chunkNonce := make([]byte, NonceLen)
+	copy(chunkNonce, r.nonce)
+
+	binary.BigEndian.PutUint64(chunkNonce[4:], r.chunkIndex)
+
+	return chunkNonce
+}

backend/internal/features/backups/backups/encryption/encrypting_writer.go

@@ -0,0 +1,147 @@
+package encryption
+
+import (
+	"crypto/aes"
+	"crypto/cipher"
+	"encoding/binary"
+	"fmt"
+	"io"
+
+	"github.com/google/uuid"
+)
+
+type EncryptionWriter struct {
+	baseWriter    io.Writer
+	cipher        cipher.AEAD
+	buffer        []byte
+	nonce         []byte
+	salt          []byte
+	chunkIndex    uint64
+	headerWritten bool
+}
+
+func NewEncryptionWriter(
+	baseWriter io.Writer,
+	masterKey string,
+	backupID uuid.UUID,
+	salt []byte,
+	nonce []byte,
+) (*EncryptionWriter, error) {
+	if len(salt) != SaltLen {
+		return nil, fmt.Errorf("salt must be %d bytes, got %d", SaltLen, len(salt))
+	}
+	if len(nonce) != NonceLen {
+		return nil, fmt.Errorf("nonce must be %d bytes, got %d", NonceLen, len(nonce))
+	}
+
+	derivedKey, err := DeriveBackupKey(masterKey, backupID, salt)
+	if err != nil {
+		return nil, fmt.Errorf("failed to derive backup key: %w", err)
+	}
+
+	block, err := aes.NewCipher(derivedKey)
+	if err != nil {
+		return nil, fmt.Errorf("failed to create cipher: %w", err)
+	}
+
+	aesgcm, err := cipher.NewGCM(block)
+	if err != nil {
+		return nil, fmt.Errorf("failed to create GCM: %w", err)
+	}
+
+	writer := &EncryptionWriter{
+		baseWriter:    baseWriter,
+		cipher:        aesgcm,
+		buffer:        make([]byte, 0, ChunkSize),
+		nonce:         nonce,
+		chunkIndex:    0,
+		headerWritten: false,
+		salt:          salt, // Store salt for lazy header writing
+	}
+
+	return writer, nil
+}
+
+func (w *EncryptionWriter) Write(p []byte) (n int, err error) {
+	// Write header on first write (lazy initialization)
+	if !w.headerWritten {
+		if err := w.writeHeader(w.salt, w.nonce); err != nil {
+			return 0, fmt.Errorf("failed to write header: %w", err)
+		}
+	}
+
+	n = len(p)
+	w.buffer = append(w.buffer, p...)
+
+	for len(w.buffer) >= ChunkSize {
+		chunk := w.buffer[:ChunkSize]
+		if err := w.encryptAndWriteChunk(chunk); err != nil {
+			return 0, err
+		}
+		w.buffer = w.buffer[ChunkSize:]
+	}
+
+	return n, nil
+}
+
+func (w *EncryptionWriter) Close() error {
+	// Write header if it hasn't been written yet (in case Close is called without any writes)
+	if !w.headerWritten {
+		if err := w.writeHeader(w.salt, w.nonce); err != nil {
+			return fmt.Errorf("failed to write header: %w", err)
+		}
+	}
+
+	if len(w.buffer) > 0 {
+		if err := w.encryptAndWriteChunk(w.buffer); err != nil {
+			return err
+		}
+		w.buffer = nil
+	}
+	return nil
+}
+
+func (w *EncryptionWriter) writeHeader(salt, nonce []byte) error {
+	header := make([]byte, HeaderLen)
+
+	copy(header[0:MagicBytesLen], []byte(MagicBytes))
+	copy(header[MagicBytesLen:MagicBytesLen+SaltLen], salt)
+	copy(header[MagicBytesLen+SaltLen:MagicBytesLen+SaltLen+NonceLen], nonce)
+
+	_, err := w.baseWriter.Write(header)
+	if err != nil {
+		return fmt.Errorf("failed to write header: %w", err)
+	}
+
+	w.headerWritten = true
+	return nil
+}
+
+func (w *EncryptionWriter) encryptAndWriteChunk(chunk []byte) error {
+	chunkNonce := w.generateChunkNonce()
+
+	encrypted := w.cipher.Seal(nil, chunkNonce, chunk, nil)
+
+	lengthBuf := make([]byte, 4)
+	binary.BigEndian.PutUint32(lengthBuf, uint32(len(encrypted)))
+
+	if _, err := w.baseWriter.Write(lengthBuf); err != nil {
+		return fmt.Errorf("failed to write chunk length: %w", err)
+	}
+
+	if _, err := w.baseWriter.Write(encrypted); err != nil {
+		return fmt.Errorf("failed to write encrypted chunk: %w", err)
+	}
+
+	w.chunkIndex++
+	return nil
+}
+
+func (w *EncryptionWriter) generateChunkNonce() []byte {
+	chunkNonce := make([]byte, NonceLen)
+	copy(chunkNonce, w.nonce)
+
+	binary.BigEndian.PutUint64(chunkNonce[4:], w.chunkIndex)
+
+	return chunkNonce
+}

backend/internal/features/backups/backups/encryption/encryption_test.go

@@ -0,0 +1,387 @@
+package encryption
+
+import (
+	"bytes"
+	"crypto/rand"
+	"io"
+	"testing"
+
+	"github.com/google/uuid"
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+)
+
+func Test_EncryptDecryptRoundTrip_ReturnsOriginalData(t *testing.T) {
+	masterKey := uuid.New().String() + uuid.New().String()
+	backupID := uuid.New()
+	salt, err := GenerateSalt()
+	require.NoError(t, err)
+	nonce, err := GenerateNonce()
+	require.NoError(t, err)
+
+	originalData := []byte(
+		"This is a test backup data that should be encrypted and then decrypted successfully.",
+	)
+
+	var encrypted bytes.Buffer
+	writer, err := NewEncryptionWriter(&encrypted, masterKey, backupID, salt, nonce)
+	require.NoError(t, err)
+
+	n, err := writer.Write(originalData)
+	require.NoError(t, err)
+	assert.Equal(t, len(originalData), n)
+
+	err = writer.Close()
+	require.NoError(t, err)
+
+	reader, err := NewDecryptionReader(&encrypted, masterKey, backupID, salt, nonce)
+	require.NoError(t, err)
+
+	decrypted := make([]byte, len(originalData))
+	n, err = io.ReadFull(reader, decrypted)
+	require.NoError(t, err)
+	assert.Equal(t, len(originalData), n)
+	assert.Equal(t, originalData, decrypted)
+}
+
+func Test_EncryptDecryptRoundTrip_LargeData_WorksCorrectly(t *testing.T) {
+	masterKey := uuid.New().String() + uuid.New().String()
+	backupID := uuid.New()
+	salt, err := GenerateSalt()
+	require.NoError(t, err)
+	nonce, err := GenerateNonce()
+	require.NoError(t, err)
+
+	originalData := make([]byte, 100*1024)
+	_, err = rand.Read(originalData)
+	require.NoError(t, err)
+
+	var encrypted bytes.Buffer
+	writer, err := NewEncryptionWriter(&encrypted, masterKey, backupID, salt, nonce)
+	require.NoError(t, err)
+
+	n, err := writer.Write(originalData)
+	require.NoError(t, err)
+	assert.Equal(t, len(originalData), n)
+
+	err = writer.Close()
+	require.NoError(t, err)
+
+	reader, err := NewDecryptionReader(&encrypted, masterKey, backupID, salt, nonce)
+	require.NoError(t, err)
+
+	decrypted, err := io.ReadAll(reader)
+	require.NoError(t, err)
+	assert.Equal(t, originalData, decrypted)
+}
+
+func Test_EncryptionWriter_MultipleWrites_CombinesCorrectly(t *testing.T) {
+	masterKey := uuid.New().String() + uuid.New().String()
+	backupID := uuid.New()
+	salt, err := GenerateSalt()
+	require.NoError(t, err)
+	nonce, err := GenerateNonce()
+	require.NoError(t, err)
+
+	part1 := []byte("First part of data. ")
+	part2 := []byte("Second part of data. ")
+	part3 := []byte("Third part of data.")
+	expectedData := append(append(part1, part2...), part3...)
+
+	var encrypted bytes.Buffer
+	writer, err := NewEncryptionWriter(&encrypted, masterKey, backupID, salt, nonce)
+	require.NoError(t, err)
+
+	_, err = writer.Write(part1)
+	require.NoError(t, err)
+	_, err = writer.Write(part2)
+	require.NoError(t, err)
+	_, err = writer.Write(part3)
+	require.NoError(t, err)
+
+	err = writer.Close()
+	require.NoError(t, err)
+
+	reader, err := NewDecryptionReader(&encrypted, masterKey, backupID, salt, nonce)
+	require.NoError(t, err)
+
+	decrypted, err := io.ReadAll(reader)
+	require.NoError(t, err)
+	assert.Equal(t, expectedData, decrypted)
+}
+
+func Test_DecryptionReader_InvalidHeader_ReturnsError(t *testing.T) {
+	masterKey := uuid.New().String() + uuid.New().String()
+	backupID := uuid.New()
+	salt, err := GenerateSalt()
+	require.NoError(t, err)
+	nonce, err := GenerateNonce()
+	require.NoError(t, err)
+
+	invalidHeader := make([]byte, HeaderLen)
+	copy(invalidHeader, []byte("INVALID!"))
+
+	invalidData := bytes.NewBuffer(invalidHeader)
+
+	_, err = NewDecryptionReader(invalidData, masterKey, backupID, salt, nonce)
+	assert.Error(t, err)
+	assert.Contains(t, err.Error(), "invalid magic bytes")
+}
+
+func Test_DecryptionReader_TamperedData_ReturnsError(t *testing.T) {
+	masterKey := uuid.New().String() + uuid.New().String()
+	backupID := uuid.New()
+	salt, err := GenerateSalt()
+	require.NoError(t, err)
+	nonce, err := GenerateNonce()
+	require.NoError(t, err)
+
+	originalData := []byte("This data will be tampered with.")
+
+	var encrypted bytes.Buffer
+	writer, err := NewEncryptionWriter(&encrypted, masterKey, backupID, salt, nonce)
+	require.NoError(t, err)
+
+	_, err = writer.Write(originalData)
+	require.NoError(t, err)
+
+	err = writer.Close()
+	require.NoError(t, err)
+
+	encryptedBytes := encrypted.Bytes()
+	if len(encryptedBytes) > HeaderLen+10 {
+		encryptedBytes[HeaderLen+10] ^= 0xFF
+	}
+
+	tamperedBuffer := bytes.NewBuffer(encryptedBytes)
+
+	reader, err := NewDecryptionReader(tamperedBuffer, masterKey, backupID, salt, nonce)
+	require.NoError(t, err)
+
+	_, err = io.ReadAll(reader)
+	assert.Error(t, err)
+	assert.Contains(t, err.Error(), "authentication failed")
+}
+
+func Test_DeriveBackupKey_SameInputs_ReturnsSameKey(t *testing.T) {
+	masterKey := uuid.New().String() + uuid.New().String()
+	backupID := uuid.New()
+	salt, err := GenerateSalt()
+	require.NoError(t, err)
+
+	key1, err := DeriveBackupKey(masterKey, backupID, salt)
+	require.NoError(t, err)
+
+	key2, err := DeriveBackupKey(masterKey, backupID, salt)
+	require.NoError(t, err)
+
+	assert.Equal(t, key1, key2)
+}
+
+func Test_DeriveBackupKey_DifferentInputs_ReturnsDifferentKeys(t *testing.T) {
+	masterKey1 := uuid.New().String() + uuid.New().String()
+	masterKey2 := uuid.New().String() + uuid.New().String()
+	backupID1 := uuid.New()
+	backupID2 := uuid.New()
+	salt1, err := GenerateSalt()
+	require.NoError(t, err)
+	salt2, err := GenerateSalt()
+	require.NoError(t, err)
+
+	key1, err := DeriveBackupKey(masterKey1, backupID1, salt1)
+	require.NoError(t, err)
+
+	key2, err := DeriveBackupKey(masterKey2, backupID1, salt1)
+	require.NoError(t, err)
+	assert.NotEqual(t, key1, key2)
+
+	key3, err := DeriveBackupKey(masterKey1, backupID2, salt1)
+	require.NoError(t, err)
+	assert.NotEqual(t, key1, key3)
+
+	key4, err := DeriveBackupKey(masterKey1, backupID1, salt2)
+	require.NoError(t, err)
+	assert.NotEqual(t, key1, key4)
+}
+
+func Test_EncryptionWriter_PartialChunk_HandledCorrectly(t *testing.T) {
+	masterKey := uuid.New().String() + uuid.New().String()
+	backupID := uuid.New()
+	salt, err := GenerateSalt()
+	require.NoError(t, err)
+	nonce, err := GenerateNonce()
+	require.NoError(t, err)
+
+	smallData := []byte("Small data less than chunk size")
+
+	var encrypted bytes.Buffer
+	writer, err := NewEncryptionWriter(&encrypted, masterKey, backupID, salt, nonce)
+	require.NoError(t, err)
+
+	_, err = writer.Write(smallData)
+	require.NoError(t, err)
+
+	err = writer.Close()
+	require.NoError(t, err)
+
+	reader, err := NewDecryptionReader(&encrypted, masterKey, backupID, salt, nonce)
+	require.NoError(t, err)
+
+	decrypted, err := io.ReadAll(reader)
+	require.NoError(t, err)
+	assert.Equal(t, smallData, decrypted)
+}
+
+func Test_GenerateSalt_ReturnsCorrectLength(t *testing.T) {
+	salt, err := GenerateSalt()
+	require.NoError(t, err)
+	assert.Equal(t, SaltLen, len(salt))
+}
+
+func Test_GenerateSalt_GeneratesUniqueSalts(t *testing.T) {
+	salt1, err := GenerateSalt()
+	require.NoError(t, err)
+
+	salt2, err := GenerateSalt()
+	require.NoError(t, err)
+
+	assert.NotEqual(t, salt1, salt2)
+}
+
+func Test_GenerateNonce_ReturnsCorrectLength(t *testing.T) {
+	nonce, err := GenerateNonce()
+	require.NoError(t, err)
+	assert.Equal(t, NonceLen, len(nonce))
+}
+
+func Test_GenerateNonce_GeneratesUniqueNonces(t *testing.T) {
+	nonce1, err := GenerateNonce()
+	require.NoError(t, err)
+
+	nonce2, err := GenerateNonce()
+	require.NoError(t, err)
+
+	assert.NotEqual(t, nonce1, nonce2)
+}
+
+func Test_DecryptionReader_WrongMasterKey_ReturnsError(t *testing.T) {
+	masterKey1 := uuid.New().String() + uuid.New().String()
+	masterKey2 := uuid.New().String() + uuid.New().String()
+	backupID := uuid.New()
+	salt, err := GenerateSalt()
+	require.NoError(t, err)
+	nonce, err := GenerateNonce()
+	require.NoError(t, err)
+
+	originalData := []byte("Secret data")
+
+	var encrypted bytes.Buffer
+	writer, err := NewEncryptionWriter(&encrypted, masterKey1, backupID, salt, nonce)
+	require.NoError(t, err)
+
+	_, err = writer.Write(originalData)
+	require.NoError(t, err)
+
+	err = writer.Close()
+	require.NoError(t, err)
+
+	reader, err := NewDecryptionReader(&encrypted, masterKey2, backupID, salt, nonce)
+	require.NoError(t, err)
+
+	_, err = io.ReadAll(reader)
+	assert.Error(t, err)
+	assert.Contains(t, err.Error(), "authentication failed")
+}
+
+func Test_EncryptionWriter_EmptyData_WorksCorrectly(t *testing.T) {
+	masterKey := uuid.New().String() + uuid.New().String()
+	backupID := uuid.New()
+	salt, err := GenerateSalt()
+	require.NoError(t, err)
+	nonce, err := GenerateNonce()
+	require.NoError(t, err)
+
+	var encrypted bytes.Buffer
+	writer, err := NewEncryptionWriter(&encrypted, masterKey, backupID, salt, nonce)
+	require.NoError(t, err)
+
+	err = writer.Close()
+	require.NoError(t, err)
+
+	reader, err := NewDecryptionReader(&encrypted, masterKey, backupID, salt, nonce)
+	require.NoError(t, err)
+
+	decrypted, err := io.ReadAll(reader)
+	require.NoError(t, err)
+	assert.Equal(t, 0, len(decrypted))
+}
+
+func Test_EncryptionWriter_MultipleChunks_WorksCorrectly(t *testing.T) {
+	masterKey := uuid.New().String() + uuid.New().String()
+	backupID := uuid.New()
+	salt, err := GenerateSalt()
+	require.NoError(t, err)
+	nonce, err := GenerateNonce()
+	require.NoError(t, err)
+
+	dataSize := ChunkSize*3 + 1000
+	originalData := make([]byte, dataSize)
+	_, err = rand.Read(originalData)
+	require.NoError(t, err)
+
+	var encrypted bytes.Buffer
+	writer, err := NewEncryptionWriter(&encrypted, masterKey, backupID, salt, nonce)
+	require.NoError(t, err)
+
+	_, err = writer.Write(originalData)
+	require.NoError(t, err)
+
+	err = writer.Close()
+	require.NoError(t, err)
+
+	reader, err := NewDecryptionReader(&encrypted, masterKey, backupID, salt, nonce)
+	require.NoError(t, err)
+
+	decrypted, err := io.ReadAll(reader)
+	require.NoError(t, err)
+	assert.Equal(t, originalData, decrypted)
+}
+
+func Test_DecryptionReader_SmallReads_WorksCorrectly(t *testing.T) {
+	masterKey := uuid.New().String() + uuid.New().String()
+	backupID := uuid.New()
+	salt, err := GenerateSalt()
+	require.NoError(t, err)
+	nonce, err := GenerateNonce()
+	require.NoError(t, err)
+
+	originalData := []byte("This is test data that will be read in small chunks.")
+
+	var encrypted bytes.Buffer
+	writer, err := NewEncryptionWriter(&encrypted, masterKey, backupID, salt, nonce)
+	require.NoError(t, err)
+
+	_, err = writer.Write(originalData)
+	require.NoError(t, err)
+
+	err = writer.Close()
+	require.NoError(t, err)
+
+	reader, err := NewDecryptionReader(&encrypted, masterKey, backupID, salt, nonce)
+	require.NoError(t, err)
+
+	var decrypted []byte
+	buf := make([]byte, 5)
+	for {
+		n, err := reader.Read(buf)
+		if n > 0 {
+			decrypted = append(decrypted, buf[:n]...)
+		}
+		if err == io.EOF {
+			break
+		}
+		require.NoError(t, err)
+	}
+
+	assert.Equal(t, originalData, decrypted)
+}

backend/internal/features/backups/backups/encryption/utils.go

@@ -0,0 +1,52 @@
+package encryption
+
+import (
+	"crypto/rand"
+	"crypto/sha256"
+	"fmt"
+
+	"github.com/google/uuid"
+	"golang.org/x/crypto/pbkdf2"
+)
+
+const (
+	MagicBytes       = "PGRSUS01"
+	MagicBytesLen    = 8
+	SaltLen          = 32
+	NonceLen         = 12
+	ReservedLen      = 12
+	HeaderLen        = MagicBytesLen + SaltLen + NonceLen + ReservedLen
+	ChunkSize        = 32 * 1024
+	PBKDF2Iterations = 100000
+)
+
+func DeriveBackupKey(masterKey string, backupID uuid.UUID, salt []byte) ([]byte, error) {
+	if masterKey == "" {
+		return nil, fmt.Errorf("master key cannot be empty")
+	}
+	if len(salt) != SaltLen {
+		return nil, fmt.Errorf("salt must be %d bytes", SaltLen)
+	}
+
+	keyMaterial := []byte(masterKey + backupID.String())
+
+	derivedKey := pbkdf2.Key(keyMaterial, salt, PBKDF2Iterations, 32, sha256.New)
+
+	return derivedKey, nil
+}
+
+func GenerateSalt() ([]byte, error) {
+	salt := make([]byte, SaltLen)
+	if _, err := rand.Read(salt); err != nil {
+		return nil, fmt.Errorf("failed to generate salt: %w", err)
+	}
+	return salt, nil
+}
+
+func GenerateNonce() ([]byte, error) {
+	nonce := make([]byte, NonceLen)
+	if _, err := rand.Read(nonce); err != nil {
+		return nil, fmt.Errorf("failed to generate nonce: %w", err)
+	}
+	return nonce, nil
+}

backend/internal/features/backups/backups/enums.go

@@ -6,4 +6,5 @@ const (
 	BackupStatusInProgress BackupStatus = "IN_PROGRESS"
 	BackupStatusCompleted  BackupStatus = "COMPLETED"
 	BackupStatusFailed     BackupStatus = "FAILED"
+	BackupStatusCanceled   BackupStatus = "CANCELED"
 )

backend/internal/features/backups/backups/interfaces.go

@@ -1,6 +1,9 @@
 package backups
 
 import (
+	"context"
+
+	usecases_postgresql "postgresus-backend/internal/features/backups/backups/usecases/postgresql"
 	backups_config "postgresus-backend/internal/features/backups/config"
 	"postgresus-backend/internal/features/databases"
 	"postgresus-backend/internal/features/notifiers"
@@ -19,6 +22,7 @@ type NotificationSender interface {
 
 type CreateBackupUsecase interface {
 	Execute(
+		ctx context.Context,
 		backupID uuid.UUID,
 		backupConfig *backups_config.BackupConfig,
 		database *databases.Database,
@@ -26,7 +30,7 @@ type CreateBackupUsecase interface {
 		backupProgressListener func(
 			completedMBs float64,
 		),
-	) error
+	) (*usecases_postgresql.BackupMetadata, error)
 }
 
 type BackupRemoveListener interface {

backend/internal/features/backups/backups/model.go

@@ -1,8 +1,7 @@
 package backups
 
 import (
-	"postgresus-backend/internal/features/databases"
-	"postgresus-backend/internal/features/storages"
+	backups_config "postgresus-backend/internal/features/backups/config"
 	"time"
 
 	"github.com/google/uuid"
@@ -11,11 +10,8 @@ import (
 type Backup struct {
 	ID uuid.UUID `json:"id" gorm:"column:id;type:uuid;primaryKey"`
 
-	Database   *databases.Database `json:"database"   gorm:"foreignKey:DatabaseID"`
-	DatabaseID uuid.UUID           `json:"databaseId" gorm:"column:database_id;type:uuid;not null"`
-
-	Storage   *storages.Storage `json:"storage"   gorm:"foreignKey:StorageID"`
-	StorageID uuid.UUID         `json:"storageId" gorm:"column:storage_id;type:uuid;not null"`
+	DatabaseID uuid.UUID `json:"databaseId" gorm:"column:database_id;type:uuid;not null"`
+	StorageID  uuid.UUID `json:"storageId"  gorm:"column:storage_id;type:uuid;not null"`
 
 	Status      BackupStatus `json:"status"      gorm:"column:status;not null"`
 	FailMessage *string      `json:"failMessage" gorm:"column:fail_message"`
@@ -24,5 +20,9 @@ type Backup struct {
 
 	BackupDurationMs int64 `json:"backupDurationMs" gorm:"column:backup_duration_ms;default:0"`
 
+	EncryptionSalt *string                         `json:"-"          gorm:"column:encryption_salt"`
+	EncryptionIV   *string                         `json:"-"          gorm:"column:encryption_iv"`
+	Encryption     backups_config.BackupEncryption `json:"encryption" gorm:"column:encryption;type:text;not null;default:'NONE'"`
+
 	CreatedAt time.Time `json:"createdAt" gorm:"column:created_at"`
 }

backend/internal/features/backups/backups/repository.go

@@ -13,18 +13,20 @@ import (
 type BackupRepository struct{}
 
 func (r *BackupRepository) Save(backup *Backup) error {
+	if backup.DatabaseID == uuid.Nil || backup.StorageID == uuid.Nil {
+		return errors.New("database ID and storage ID are required")
+	}
+
 	db := storage.GetDb()
 
 	isNew := backup.ID == uuid.Nil
 	if isNew {
 		backup.ID = uuid.New()
 		return db.Create(backup).
-			Omit("Database", "Storage").
 			Error
 	}
 
 	return db.Save(backup).
-		Omit("Database", "Storage").
 		Error
 }
 
@@ -33,8 +35,6 @@ func (r *BackupRepository) FindByDatabaseID(databaseID uuid.UUID) ([]*Backup, er
 
 	if err := storage.
 		GetDb().
-		Preload("Database").
-		Preload("Storage").
 		Where("database_id = ?", databaseID).
 		Order("created_at DESC").
 		Find(&backups).Error; err != nil {
@@ -56,8 +56,6 @@ func (r *BackupRepository) FindByDatabaseIDWithLimit(
 
 	if err := storage.
 		GetDb().
-		Preload("Database").
-		Preload("Storage").
 		Where("database_id = ?", databaseID).
 		Order("created_at DESC").
 		Limit(limit).
@@ -73,8 +71,6 @@ func (r *BackupRepository) FindByStorageID(storageID uuid.UUID) ([]*Backup, erro
 
 	if err := storage.
 		GetDb().
-		Preload("Database").
-		Preload("Storage").
 		Where("storage_id = ?", storageID).
 		Order("created_at DESC").
 		Find(&backups).Error; err != nil {
@@ -89,8 +85,6 @@ func (r *BackupRepository) FindLastByDatabaseID(databaseID uuid.UUID) (*Backup,
 
 	if err := storage.
 		GetDb().
-		Preload("Database").
-		Preload("Storage").
 		Where("database_id = ?", databaseID).
 		Order("created_at DESC").
 		First(&backup).Error; err != nil {
@@ -109,8 +103,6 @@ func (r *BackupRepository) FindByID(id uuid.UUID) (*Backup, error) {
 
 	if err := storage.
 		GetDb().
-		Preload("Database").
-		Preload("Storage").
 		Where("id = ?", id).
 		First(&backup).Error; err != nil {
 		return nil, err
@@ -124,8 +116,6 @@ func (r *BackupRepository) FindByStatus(status BackupStatus) ([]*Backup, error)
 
 	if err := storage.
 		GetDb().
-		Preload("Database").
-		Preload("Storage").
 		Where("status = ?", status).
 		Order("created_at DESC").
 		Find(&backups).Error; err != nil {
@@ -143,8 +133,6 @@ func (r *BackupRepository) FindByStorageIdAndStatus(
 
 	if err := storage.
 		GetDb().
-		Preload("Database").
-		Preload("Storage").
 		Where("storage_id = ? AND status = ?", storageID, status).
 		Order("created_at DESC").
 		Find(&backups).Error; err != nil {
@@ -162,8 +150,6 @@ func (r *BackupRepository) FindByDatabaseIdAndStatus(
 
 	if err := storage.
 		GetDb().
-		Preload("Database").
-		Preload("Storage").
 		Where("database_id = ? AND status = ?", databaseID, status).
 		Order("created_at DESC").
 		Find(&backups).Error; err != nil {
@@ -185,8 +171,6 @@ func (r *BackupRepository) FindBackupsBeforeDate(
 
 	if err := storage.
 		GetDb().
-		Preload("Database").
-		Preload("Storage").
 		Where("database_id = ? AND created_at < ?", databaseID, date).
 		Order("created_at DESC").
 		Find(&backups).Error; err != nil {
@@ -195,3 +179,36 @@ func (r *BackupRepository) FindBackupsBeforeDate(
 
 	return backups, nil
 }
+
+func (r *BackupRepository) FindByDatabaseIDWithPagination(
+	databaseID uuid.UUID,
+	limit, offset int,
+) ([]*Backup, error) {
+	var backups []*Backup
+
+	if err := storage.
+		GetDb().
+		Where("database_id = ?", databaseID).
+		Order("created_at DESC").
+		Limit(limit).
+		Offset(offset).
+		Find(&backups).Error; err != nil {
+		return nil, err
+	}
+
+	return backups, nil
+}
+
+func (r *BackupRepository) CountByDatabaseID(databaseID uuid.UUID) (int64, error) {
+	var count int64
+
+	if err := storage.
+		GetDb().
+		Model(&Backup{}).
+		Where("database_id = ?", databaseID).
+		Count(&count).Error; err != nil {
+		return 0, err
+	}
+
+	return count, nil
+}

backend/internal/features/backups/backups/service.go

@@ -1,16 +1,23 @@
 package backups
 
 import (
+	"context"
+	"encoding/base64"
 	"errors"
 	"fmt"
 	"io"
 	"log/slog"
+	audit_logs "postgresus-backend/internal/features/audit_logs"
+	"postgresus-backend/internal/features/backups/backups/encryption"
 	backups_config "postgresus-backend/internal/features/backups/config"
 	"postgresus-backend/internal/features/databases"
 	"postgresus-backend/internal/features/notifiers"
 	"postgresus-backend/internal/features/storages"
 	users_models "postgresus-backend/internal/features/users/models"
+	users_repositories "postgresus-backend/internal/features/users/repositories"
+	workspaces_services "postgresus-backend/internal/features/workspaces/services"
 	"slices"
+	"strings"
 	"time"
 
 	"github.com/google/uuid"
@@ -23,12 +30,17 @@ type BackupService struct {
 	notifierService     *notifiers.NotifierService
 	notificationSender  NotificationSender
 	backupConfigService *backups_config.BackupConfigService
+	secretKeyRepo       *users_repositories.SecretKeyRepository
 
 	createBackupUseCase CreateBackupUsecase
 
 	logger *slog.Logger
 
 	backupRemoveListeners []BackupRemoveListener
+
+	workspaceService     *workspaces_services.WorkspaceService
+	auditLogService      *audit_logs.AuditLogService
+	backupContextManager *BackupContextManager
 }
 
 func (s *BackupService) AddBackupRemoveListener(listener BackupRemoveListener) {
@@ -62,34 +74,74 @@ func (s *BackupService) MakeBackupWithAuth(
 		return err
 	}
 
-	if database.UserID != user.ID {
-		return errors.New("user does not have access to this database")
+	if database.WorkspaceID == nil {
+		return errors.New("cannot create backup for database without workspace")
+	}
+
+	canAccess, _, err := s.workspaceService.CanUserAccessWorkspace(*database.WorkspaceID, user)
+	if err != nil {
+		return err
+	}
+	if !canAccess {
+		return errors.New("insufficient permissions to create backup for this database")
 	}
 
 	go s.MakeBackup(databaseID, true)
 
+	s.auditLogService.WriteAuditLog(
+		fmt.Sprintf("Backup manually initiated for database: %s", database.Name),
+		&user.ID,
+		database.WorkspaceID,
+	)
+
 	return nil
 }
 
 func (s *BackupService) GetBackups(
 	user *users_models.User,
 	databaseID uuid.UUID,
-) ([]*Backup, error) {
+	limit, offset int,
+) (*GetBackupsResponse, error) {
 	database, err := s.databaseService.GetDatabaseByID(databaseID)
 	if err != nil {
 		return nil, err
 	}
 
-	if database.UserID != user.ID {
-		return nil, errors.New("user does not have access to this database")
+	if database.WorkspaceID == nil {
+		return nil, errors.New("cannot get backups for database without workspace")
 	}
 
-	backups, err := s.backupRepository.FindByDatabaseID(databaseID)
+	canAccess, _, err := s.workspaceService.CanUserAccessWorkspace(*database.WorkspaceID, user)
+	if err != nil {
+		return nil, err
+	}
+	if !canAccess {
+		return nil, errors.New("insufficient permissions to access backups for this database")
+	}
+
+	if limit <= 0 {
+		limit = 10
+	}
+	if offset < 0 {
+		offset = 0
+	}
+
+	backups, err := s.backupRepository.FindByDatabaseIDWithPagination(databaseID, limit, offset)
 	if err != nil {
 		return nil, err
 	}
 
-	return backups, nil
+	total, err := s.backupRepository.CountByDatabaseID(databaseID)
+	if err != nil {
+		return nil, err
+	}
+
+	return &GetBackupsResponse{
+		Backups: backups,
+		Total:   total,
+		Limit:   limit,
+		Offset:  offset,
+	}, nil
 }
 
 func (s *BackupService) DeleteBackup(
@@ -101,14 +153,37 @@ func (s *BackupService) DeleteBackup(
 		return err
 	}
 
-	if backup.Database.UserID != user.ID {
-		return errors.New("user does not have access to this backup")
+	database, err := s.databaseService.GetDatabaseByID(backup.DatabaseID)
+	if err != nil {
+		return err
+	}
+
+	if database.WorkspaceID == nil {
+		return errors.New("cannot delete backup for database without workspace")
+	}
+
+	canManage, err := s.workspaceService.CanUserManageDBs(*database.WorkspaceID, user)
+	if err != nil {
+		return err
+	}
+	if !canManage {
+		return errors.New("insufficient permissions to delete backup for this database")
 	}
 
 	if backup.Status == BackupStatusInProgress {
 		return errors.New("backup is in progress")
 	}
 
+	s.auditLogService.WriteAuditLog(
+		fmt.Sprintf(
+			"Backup deleted for database: %s (ID: %s)",
+			database.Name,
+			backupID.String(),
+		),
+		&user.ID,
+		database.WorkspaceID,
+	)
+
 	return s.deleteBackup(backup)
 }
 
@@ -154,10 +229,7 @@ func (s *BackupService) MakeBackup(databaseID uuid.UUID, isLastTry bool) {
 
 	backup := &Backup{
 		DatabaseID: databaseID,
-		Database:   database,
-
-		StorageID: storage.ID,
-		Storage:   storage,
+		StorageID:  storage.ID,
 
 		Status: BackupStatusInProgress,
 
@@ -184,7 +256,12 @@ func (s *BackupService) MakeBackup(databaseID uuid.UUID, isLastTry bool) {
 		}
 	}
 
-	err = s.createBackupUseCase.Execute(
+	ctx, cancel := context.WithCancel(context.Background())
+	s.backupContextManager.RegisterBackup(backup.ID, cancel)
+	defer s.backupContextManager.UnregisterBackup(backup.ID)
+
+	backupMetadata, err := s.createBackupUseCase.Execute(
+		ctx,
 		backup.ID,
 		backupConfig,
 		database,
@@ -193,6 +270,34 @@ func (s *BackupService) MakeBackup(databaseID uuid.UUID, isLastTry bool) {
 	)
 	if err != nil {
 		errMsg := err.Error()
+
+		// Check if backup was cancelled (not due to shutdown)
+		if strings.Contains(errMsg, "backup cancelled") && !strings.Contains(errMsg, "shutdown") {
+			backup.Status = BackupStatusCanceled
+			backup.BackupDurationMs = time.Since(start).Milliseconds()
+			backup.BackupSizeMb = 0
+
+			if err := s.backupRepository.Save(backup); err != nil {
+				s.logger.Error("Failed to save cancelled backup", "error", err)
+			}
+
+			// Delete partial backup from storage
+			storage, storageErr := s.storageService.GetStorageByID(backup.StorageID)
+			if storageErr == nil {
+				if deleteErr := storage.DeleteFile(backup.ID); deleteErr != nil {
+					s.logger.Error(
+						"Failed to delete partial backup file",
+						"backupId",
+						backup.ID,
+						"error",
+						deleteErr,
+					)
+				}
+			}
+
+			return
+		}
+
 		backup.FailMessage = &errMsg
 		backup.Status = BackupStatusFailed
 		backup.BackupDurationMs = time.Since(start).Milliseconds()
@@ -225,6 +330,13 @@ func (s *BackupService) MakeBackup(databaseID uuid.UUID, isLastTry bool) {
 	backup.Status = BackupStatusCompleted
 	backup.BackupDurationMs = time.Since(start).Milliseconds()
 
+	// Update backup with encryption metadata if provided
+	if backupMetadata != nil {
+		backup.EncryptionSalt = backupMetadata.EncryptionSalt
+		backup.EncryptionIV = backupMetadata.EncryptionIV
+		backup.Encryption = backupMetadata.Encryption
+	}
+
 	if err := s.backupRepository.Save(backup); err != nil {
 		s.logger.Error("Failed to save backup", "error", err)
 		return
@@ -265,6 +377,11 @@ func (s *BackupService) SendBackupNotification(
 		return
 	}
 
+	workspace, err := s.workspaceService.GetWorkspaceByID(*database.WorkspaceID)
+	if err != nil {
+		return
+	}
+
 	for _, notifier := range database.Notifiers {
 		if !slices.Contains(
 			backupConfig.SendNotificationsOn,
@@ -276,9 +393,17 @@ func (s *BackupService) SendBackupNotification(
 		title := ""
 		switch notificationType {
 		case backups_config.NotificationBackupFailed:
-			title = fmt.Sprintf("❌ Backup failed for database \"%s\"", database.Name)
+			title = fmt.Sprintf(
+				"❌ Backup failed for database \"%s\" (workspace \"%s\")",
+				database.Name,
+				workspace.Name,
+			)
 		case backups_config.NotificationBackupSuccess:
-			title = fmt.Sprintf("✅ Backup completed for database \"%s\"", database.Name)
+			title = fmt.Sprintf(
+				"✅ Backup completed for database \"%s\" (workspace \"%s\")",
+				database.Name,
+				workspace.Name,
+			)
 		}
 
 		message := ""
@@ -319,6 +444,53 @@ func (s *BackupService) GetBackup(backupID uuid.UUID) (*Backup, error) {
 	return s.backupRepository.FindByID(backupID)
 }
 
+func (s *BackupService) CancelBackup(
+	user *users_models.User,
+	backupID uuid.UUID,
+) error {
+	backup, err := s.backupRepository.FindByID(backupID)
+	if err != nil {
+		return err
+	}
+
+	database, err := s.databaseService.GetDatabaseByID(backup.DatabaseID)
+	if err != nil {
+		return err
+	}
+
+	if database.WorkspaceID == nil {
+		return errors.New("cannot cancel backup for database without workspace")
+	}
+
+	canManage, err := s.workspaceService.CanUserManageDBs(*database.WorkspaceID, user)
+	if err != nil {
+		return err
+	}
+	if !canManage {
+		return errors.New("insufficient permissions to cancel backup for this database")
+	}
+
+	if backup.Status != BackupStatusInProgress {
+		return errors.New("backup is not in progress")
+	}
+
+	if err := s.backupContextManager.CancelBackup(backupID); err != nil {
+		return err
+	}
+
+	s.auditLogService.WriteAuditLog(
+		fmt.Sprintf(
+			"Backup cancelled for database: %s (ID: %s)",
+			database.Name,
+			backupID.String(),
+		),
+		&user.ID,
+		database.WorkspaceID,
+	)
+
+	return nil
+}
+
 func (s *BackupService) GetBackupFile(
 	user *users_models.User,
 	backupID uuid.UUID,
@@ -328,16 +500,37 @@ func (s *BackupService) GetBackupFile(
 		return nil, err
 	}
 
-	if backup.Database.UserID != user.ID {
-		return nil, errors.New("user does not have access to this backup")
-	}
-
-	storage, err := s.storageService.GetStorageByID(backup.StorageID)
+	database, err := s.databaseService.GetDatabaseByID(backup.DatabaseID)
 	if err != nil {
 		return nil, err
 	}
 
-	return storage.GetFile(backup.ID)
+	if database.WorkspaceID == nil {
+		return nil, errors.New("cannot download backup for database without workspace")
+	}
+
+	canAccess, _, err := s.workspaceService.CanUserAccessWorkspace(
+		*database.WorkspaceID,
+		user,
+	)
+	if err != nil {
+		return nil, err
+	}
+	if !canAccess {
+		return nil, errors.New("insufficient permissions to download backup for this database")
+	}
+
+	s.auditLogService.WriteAuditLog(
+		fmt.Sprintf(
+			"Backup file downloaded for database: %s (ID: %s)",
+			database.Name,
+			backupID.String(),
+		),
+		&user.ID,
+		database.WorkspaceID,
+	)
+
+	return s.getBackupReader(backupID)
 }
 
 func (s *BackupService) deleteBackup(backup *Backup) error {
@@ -354,7 +547,10 @@ func (s *BackupService) deleteBackup(backup *Backup) error {
 
 	err = storage.DeleteFile(backup.ID)
 	if err != nil {
-		return err
+		// we do not return error here, because sometimes clean up performed
+		// before unavailable storage removal or change - therefore we should
+		// proceed even in case of error
+		s.logger.Error("Failed to delete backup file", "error", err)
 	}
 
 	return s.backupRepository.DeleteByID(backup.ID)
@@ -389,3 +585,91 @@ func (s *BackupService) deleteDbBackups(databaseID uuid.UUID) error {
 
 	return nil
 }
+
+// GetBackupReader returns a reader for the backup file
+// If encrypted, wraps with DecryptionReader
+func (s *BackupService) getBackupReader(backupID uuid.UUID) (io.ReadCloser, error) {
+	backup, err := s.backupRepository.FindByID(backupID)
+	if err != nil {
+		return nil, fmt.Errorf("failed to find backup: %w", err)
+	}
+
+	storage, err := s.storageService.GetStorageByID(backup.StorageID)
+	if err != nil {
+		return nil, fmt.Errorf("failed to get storage: %w", err)
+	}
+
+	fileReader, err := storage.GetFile(backup.ID)
+	if err != nil {
+		return nil, fmt.Errorf("failed to get backup file: %w", err)
+	}
+
+	// If not encrypted, return raw reader
+	if backup.Encryption == backups_config.BackupEncryptionNone {
+		s.logger.Info("Returning non-encrypted backup", "backupId", backupID)
+		return fileReader, nil
+	}
+
+	// Decrypt on-the-fly for encrypted backups
+	if backup.Encryption != backups_config.BackupEncryptionEncrypted {
+		if err := fileReader.Close(); err != nil {
+			s.logger.Error("Failed to close file reader", "error", err)
+		}
+		return nil, fmt.Errorf("unsupported encryption type: %s", backup.Encryption)
+	}
+
+	if backup.EncryptionSalt == nil || backup.EncryptionIV == nil {
+		if err := fileReader.Close(); err != nil {
+			s.logger.Error("Failed to close file reader", "error", err)
+		}
+		return nil, fmt.Errorf("backup marked as encrypted but missing encryption metadata")
+	}
+
+	// Get master key
+	masterKey, err := s.secretKeyRepo.GetSecretKey()
+	if err != nil {
+		if closeErr := fileReader.Close(); closeErr != nil {
+			s.logger.Error("Failed to close file reader", "error", closeErr)
+		}
+		return nil, fmt.Errorf("failed to get master key: %w", err)
+	}
+
+	// Decode salt and IV
+	salt, err := base64.StdEncoding.DecodeString(*backup.EncryptionSalt)
+	if err != nil {
+		if closeErr := fileReader.Close(); closeErr != nil {
+			s.logger.Error("Failed to close file reader", "error", closeErr)
+		}
+		return nil, fmt.Errorf("failed to decode salt: %w", err)
+	}
+
+	iv, err := base64.StdEncoding.DecodeString(*backup.EncryptionIV)
+	if err != nil {
+		if closeErr := fileReader.Close(); closeErr != nil {
+			s.logger.Error("Failed to close file reader", "error", closeErr)
+		}
+		return nil, fmt.Errorf("failed to decode IV: %w", err)
+	}
+
+	// Wrap with decrypting reader
+	decryptionReader, err := encryption.NewDecryptionReader(
+		fileReader,
+		masterKey,
+		backup.ID,
+		salt,
+		iv,
+	)
+	if err != nil {
+		if closeErr := fileReader.Close(); closeErr != nil {
+			s.logger.Error("Failed to close file reader", "error", closeErr)
+		}
+		return nil, fmt.Errorf("failed to create decrypting reader: %w", err)
+	}
+
+	s.logger.Info("Returning encrypted backup with decryption", "backupId", backupID)
+
+	return &decryptionReaderCloser{
+		decryptionReader,
+		fileReader,
+	}, nil
+}

backend/internal/features/backups/backups/service_test.go

@@ -1,15 +1,22 @@
 package backups
 
 import (
+	"context"
 	"errors"
+	usecases_postgresql "postgresus-backend/internal/features/backups/backups/usecases/postgresql"
 	backups_config "postgresus-backend/internal/features/backups/config"
 	"postgresus-backend/internal/features/databases"
 	"postgresus-backend/internal/features/notifiers"
 	"postgresus-backend/internal/features/storages"
-	"postgresus-backend/internal/features/users"
+	users_enums "postgresus-backend/internal/features/users/enums"
+	users_repositories "postgresus-backend/internal/features/users/repositories"
+	users_testing "postgresus-backend/internal/features/users/testing"
+	workspaces_services "postgresus-backend/internal/features/workspaces/services"
+	workspaces_testing "postgresus-backend/internal/features/workspaces/testing"
 	"postgresus-backend/internal/util/logger"
 	"strings"
 	"testing"
+	"time"
 
 	"github.com/google/uuid"
 	"github.com/stretchr/testify/assert"
@@ -17,15 +24,27 @@ import (
 )
 
 func Test_BackupExecuted_NotificationSent(t *testing.T) {
-	user := users.GetTestUser()
-	storage := storages.CreateTestStorage(user.UserID)
-	notifier := notifiers.CreateTestNotifier(user.UserID)
-	database := databases.CreateTestDatabase(user.UserID, storage, notifier)
+	user := users_testing.CreateTestUser(users_enums.UserRoleAdmin)
+	router := CreateTestRouter()
+	workspace := workspaces_testing.CreateTestWorkspace("Test Workspace", user, router)
+	storage := storages.CreateTestStorage(workspace.ID)
+	notifier := notifiers.CreateTestNotifier(workspace.ID)
+	database := databases.CreateTestDatabase(workspace.ID, storage, notifier)
 	backups_config.EnableBackupsForTestDatabase(database.ID, storage)
 
-	defer storages.RemoveTestStorage(storage.ID)
-	defer notifiers.RemoveTestNotifier(notifier)
-	defer databases.RemoveTestDatabase(database)
+	defer func() {
+		// cleanup backups first
+		backups, _ := backupRepository.FindByDatabaseID(database.ID)
+		for _, backup := range backups {
+			backupRepository.DeleteByID(backup.ID)
+		}
+
+		databases.RemoveTestDatabase(database)
+		time.Sleep(50 * time.Millisecond) // Wait for cascading deletes
+		notifiers.RemoveTestNotifier(notifier)
+		storages.RemoveTestStorage(storage.ID)
+		workspaces_testing.RemoveTestWorkspace(workspace, router)
+	}()
 
 	t.Run("BackupFailed_FailNotificationSent", func(t *testing.T) {
 		mockNotificationSender := &MockNotificationSender{}
@@ -36,9 +55,13 @@ func Test_BackupExecuted_NotificationSent(t *testing.T) {
 			notifiers.GetNotifierService(),
 			mockNotificationSender,
 			backups_config.GetBackupConfigService(),
+			users_repositories.GetSecretKeyRepository(),
 			&CreateFailedBackupUsecase{},
 			logger.GetLogger(),
 			[]BackupRemoveListener{},
+			workspaces_services.GetWorkspaceService(),
+			nil, // auditLogService
+			NewBackupContextManager(),
 		}
 
 		// Set up expectations
@@ -79,9 +102,13 @@ func Test_BackupExecuted_NotificationSent(t *testing.T) {
 			notifiers.GetNotifierService(),
 			mockNotificationSender,
 			backups_config.GetBackupConfigService(),
+			users_repositories.GetSecretKeyRepository(),
 			&CreateSuccessBackupUsecase{},
 			logger.GetLogger(),
 			[]BackupRemoveListener{},
+			workspaces_services.GetWorkspaceService(),
+			nil, // auditLogService
+			NewBackupContextManager(),
 		}
 
 		backupService.MakeBackup(database.ID, true)
@@ -99,9 +126,13 @@ func Test_BackupExecuted_NotificationSent(t *testing.T) {
 			notifiers.GetNotifierService(),
 			mockNotificationSender,
 			backups_config.GetBackupConfigService(),
+			users_repositories.GetSecretKeyRepository(),
 			&CreateSuccessBackupUsecase{},
 			logger.GetLogger(),
 			[]BackupRemoveListener{},
+			workspaces_services.GetWorkspaceService(),
+			nil, // auditLogService
+			NewBackupContextManager(),
 		}
 
 		// capture arguments
@@ -137,6 +168,7 @@ type CreateFailedBackupUsecase struct {
 }
 
 func (uc *CreateFailedBackupUsecase) Execute(
+	ctx context.Context,
 	backupID uuid.UUID,
 	backupConfig *backups_config.BackupConfig,
 	database *databases.Database,
@@ -144,15 +176,16 @@ func (uc *CreateFailedBackupUsecase) Execute(
 	backupProgressListener func(
 		completedMBs float64,
 	),
-) error {
+) (*usecases_postgresql.BackupMetadata, error) {
 	backupProgressListener(10) // Assume we completed 10MB
-	return errors.New("backup failed")
+	return nil, errors.New("backup failed")
 }
 
 type CreateSuccessBackupUsecase struct {
 }
 
 func (uc *CreateSuccessBackupUsecase) Execute(
+	ctx context.Context,
 	backupID uuid.UUID,
 	backupConfig *backups_config.BackupConfig,
 	database *databases.Database,
@@ -160,7 +193,11 @@ func (uc *CreateSuccessBackupUsecase) Execute(
 	backupProgressListener func(
 		completedMBs float64,
 	),
-) error {
+) (*usecases_postgresql.BackupMetadata, error) {
 	backupProgressListener(10) // Assume we completed 10MB
-	return nil
+	return &usecases_postgresql.BackupMetadata{
+		EncryptionSalt: nil,
+		EncryptionIV:   nil,
+		Encryption:     backups_config.BackupEncryptionNone,
+	}, nil
 }

backend/internal/features/backups/backups/testing.go

@@ -0,0 +1,20 @@
+package backups
+
+import (
+	backups_config "postgresus-backend/internal/features/backups/config"
+	"postgresus-backend/internal/features/databases"
+	workspaces_controllers "postgresus-backend/internal/features/workspaces/controllers"
+	workspaces_testing "postgresus-backend/internal/features/workspaces/testing"
+
+	"github.com/gin-gonic/gin"
+)
+
+func CreateTestRouter() *gin.Engine {
+	return workspaces_testing.CreateTestRouter(
+		workspaces_controllers.GetWorkspaceController(),
+		workspaces_controllers.GetMembershipController(),
+		databases.GetDatabaseController(),
+		backups_config.GetBackupConfigController(),
+		GetBackupController(),
+	)
+}

backend/internal/features/backups/backups/usecases/create_backup_uc.go

@@ -1,6 +1,7 @@
 package usecases
 
 import (
+	"context"
 	"errors"
 	usecases_postgresql "postgresus-backend/internal/features/backups/backups/usecases/postgresql"
 	backups_config "postgresus-backend/internal/features/backups/config"
@@ -14,8 +15,9 @@ type CreateBackupUsecase struct {
 	CreatePostgresqlBackupUsecase *usecases_postgresql.CreatePostgresqlBackupUsecase
 }
 
-// Execute creates a backup of the database and returns the backup size in MB
+// Execute creates a backup of the database and returns the backup metadata
 func (uc *CreateBackupUsecase) Execute(
+	ctx context.Context,
 	backupID uuid.UUID,
 	backupConfig *backups_config.BackupConfig,
 	database *databases.Database,
@@ -23,9 +25,10 @@ func (uc *CreateBackupUsecase) Execute(
 	backupProgressListener func(
 		completedMBs float64,
 	),
-) error {
+) (*usecases_postgresql.BackupMetadata, error) {
 	if database.Type == databases.DatabaseTypePostgres {
 		return uc.CreatePostgresqlBackupUsecase.Execute(
+			ctx,
 			backupID,
 			backupConfig,
 			database,
@@ -34,5 +37,5 @@ func (uc *CreateBackupUsecase) Execute(
 		)
 	}
 
-	return errors.New("database type not supported")
+	return nil, errors.New("database type not supported")
 }

backend/internal/features/backups/backups/usecases/postgresql/create_backup_uc.go

@@ -2,6 +2,7 @@ package usecases_postgresql
 
 import (
 	"context"
+	"encoding/base64"
 	"errors"
 	"fmt"
 	"io"
@@ -14,21 +15,38 @@ import (
 	"time"
 
 	"postgresus-backend/internal/config"
+	"postgresus-backend/internal/features/backups/backups/encryption"
 	backups_config "postgresus-backend/internal/features/backups/config"
 	"postgresus-backend/internal/features/databases"
 	pgtypes "postgresus-backend/internal/features/databases/databases/postgresql"
 	"postgresus-backend/internal/features/storages"
+	users_repositories "postgresus-backend/internal/features/users/repositories"
 	"postgresus-backend/internal/util/tools"
 
 	"github.com/google/uuid"
 )
 
+const (
+	backupTimeout            = 23 * time.Hour
+	shutdownCheckInterval    = 1 * time.Second
+	copyBufferSize           = 32 * 1024
+	progressReportIntervalMB = 1.0
+	pgConnectTimeout         = 30
+	compressionLevel         = 5
+	defaultBackupLimit       = 1000
+	exitCodeAccessViolation  = -1073741819
+	exitCodeGenericError     = 1
+	exitCodeConnectionError  = 2
+)
+
 type CreatePostgresqlBackupUsecase struct {
-	logger *slog.Logger
+	logger        *slog.Logger
+	secretKeyRepo *users_repositories.SecretKeyRepository
 }
 
 // Execute creates a backup of the database
 func (uc *CreatePostgresqlBackupUsecase) Execute(
+	ctx context.Context,
 	backupID uuid.UUID,
 	backupConfig *backups_config.BackupConfig,
 	db *databases.Database,
@@ -36,7 +54,7 @@ func (uc *CreatePostgresqlBackupUsecase) Execute(
 	backupProgressListener func(
 		completedMBs float64,
 	),
-) error {
+) (*BackupMetadata, error) {
 	uc.logger.Info(
 		"Creating PostgreSQL backup via pg_dump custom format",
 		"databaseId",
@@ -46,41 +64,23 @@ func (uc *CreatePostgresqlBackupUsecase) Execute(
 	)
 
 	if !backupConfig.IsBackupsEnabled {
-		return fmt.Errorf("backups are not enabled for this database: \"%s\"", db.Name)
+		return nil, fmt.Errorf("backups are not enabled for this database: \"%s\"", db.Name)
 	}
 
 	pg := db.Postgresql
 
 	if pg == nil {
-		return fmt.Errorf("postgresql database configuration is required for pg_dump backups")
+		return nil, fmt.Errorf("postgresql database configuration is required for pg_dump backups")
 	}
 
 	if pg.Database == nil || *pg.Database == "" {
-		return fmt.Errorf("database name is required for pg_dump backups")
+		return nil, fmt.Errorf("database name is required for pg_dump backups")
 	}
 
-	args := []string{
-		"-Fc",           // custom format with built-in compression
-		"--no-password", // Use environment variable for password, prevent prompts
-		"-h", pg.Host,
-		"-p", strconv.Itoa(pg.Port),
-		"-U", pg.Username,
-		"-d", *pg.Database,
-		"--verbose", // Add verbose output to help with debugging
-	}
-
-	// Use zstd compression level 5 for PostgreSQL 15+ (better compression and speed)
-	// Fall back to gzip compression level 5 for older versions
-	if pg.Version == tools.PostgresqlVersion13 || pg.Version == tools.PostgresqlVersion14 ||
-		pg.Version == tools.PostgresqlVersion15 {
-		args = append(args, "-Z", "5")
-		uc.logger.Info("Using gzip compression level 5 (zstd not available)", "version", pg.Version)
-	} else {
-		args = append(args, "--compress=zstd:5")
-		uc.logger.Info("Using zstd compression level 5", "version", pg.Version)
-	}
+	args := uc.buildPgDumpArgs(pg)
 
 	return uc.streamToStorage(
+		ctx,
 		backupID,
 		backupConfig,
 		tools.GetPostgresqlExecutable(
@@ -99,6 +99,7 @@ func (uc *CreatePostgresqlBackupUsecase) Execute(
 
 // streamToStorage streams pg_dump output directly to storage
 func (uc *CreatePostgresqlBackupUsecase) streamToStorage(
+	parentCtx context.Context,
 	backupID uuid.UUID,
 	backupConfig *backups_config.BackupConfig,
 	pgBin string,
@@ -107,36 +108,15 @@ func (uc *CreatePostgresqlBackupUsecase) streamToStorage(
 	storage *storages.Storage,
 	db *databases.Database,
 	backupProgressListener func(completedMBs float64),
-) error {
+) (*BackupMetadata, error) {
 	uc.logger.Info("Streaming PostgreSQL backup to storage", "pgBin", pgBin, "args", args)
 
-	// if backup not fit into 23 hours, Postgresus
-	// seems not to work for such database size
-	ctx, cancel := context.WithTimeout(context.Background(), 23*time.Hour)
+	ctx, cancel := uc.createBackupContext(parentCtx)
 	defer cancel()
 
-	// Monitor for shutdown and cancel context if needed
-	go func() {
-		ticker := time.NewTicker(1 * time.Second)
-		defer ticker.Stop()
-
-		for {
-			select {
-			case <-ctx.Done():
-				return
-			case <-ticker.C:
-				if config.IsShouldShutdown() {
-					cancel()
-					return
-				}
-			}
-		}
-	}()
-
-	// Create temporary .pgpass file as a more reliable alternative to PGPASSWORD
-	pgpassFile, err := uc.createTempPgpassFile(db.Postgresql, password)
+	pgpassFile, err := uc.setupPgpassFile(db.Postgresql, password)
 	if err != nil {
-		return fmt.Errorf("failed to create temporary .pgpass file: %w", err)
+		return nil, err
 	}
 	defer func() {
 		if pgpassFile != "" {
@@ -144,87 +124,21 @@ func (uc *CreatePostgresqlBackupUsecase) streamToStorage(
 		}
 	}()
 
-	// Verify .pgpass file was created successfully
-	if pgpassFile == "" {
-		return fmt.Errorf("temporary .pgpass file was not created")
-	}
-
-	// Verify .pgpass file was created correctly
-	if info, err := os.Stat(pgpassFile); err == nil {
-		uc.logger.Info("Temporary .pgpass file created successfully",
-			"pgpassFile", pgpassFile,
-			"size", info.Size(),
-			"mode", info.Mode(),
-		)
-	} else {
-		return fmt.Errorf("failed to verify .pgpass file: %w", err)
-	}
-
 	cmd := exec.CommandContext(ctx, pgBin, args...)
 	uc.logger.Info("Executing PostgreSQL backup command", "command", cmd.String())
 
-	// Start with system environment variables to preserve Windows PATH, SystemRoot, etc.
-	cmd.Env = os.Environ()
-
-	// Use the .pgpass file for authentication
-	cmd.Env = append(cmd.Env, "PGPASSFILE="+pgpassFile)
-	uc.logger.Info("Using temporary .pgpass file for authentication", "pgpassFile", pgpassFile)
-
-	// Debug password setup (without exposing the actual password)
-	uc.logger.Info("Setting up PostgreSQL environment",
-		"passwordLength", len(password),
-		"passwordEmpty", password == "",
-		"pgBin", pgBin,
-		"usingPgpassFile", true,
-		"parallelJobs", backupConfig.CpuCount,
-	)
-
-	// Add PostgreSQL-specific environment variables
-	cmd.Env = append(cmd.Env, "PGCLIENTENCODING=UTF8")
-	cmd.Env = append(cmd.Env, "PGCONNECT_TIMEOUT=30")
-
-	// Add encoding-related environment variables to handle character encoding issues
-	cmd.Env = append(cmd.Env, "LC_ALL=C.UTF-8")
-	cmd.Env = append(cmd.Env, "LANG=C.UTF-8")
-
-	// Add PostgreSQL-specific encoding settings
-	cmd.Env = append(cmd.Env, "PGOPTIONS=--client-encoding=UTF8")
-
-	shouldRequireSSL := db.Postgresql.IsHttps
-
-	// Require SSL when explicitly configured
-	if shouldRequireSSL {
-		cmd.Env = append(cmd.Env, "PGSSLMODE=require")
-		uc.logger.Info("Using required SSL mode", "configuredHttps", db.Postgresql.IsHttps)
-	} else {
-		// SSL not explicitly required, but prefer it if available
-		cmd.Env = append(cmd.Env, "PGSSLMODE=prefer")
-		uc.logger.Info("Using preferred SSL mode", "configuredHttps", db.Postgresql.IsHttps)
-	}
-
-	// Set other SSL parameters to avoid certificate issues
-	cmd.Env = append(cmd.Env, "PGSSLCERT=")     // No client certificate
-	cmd.Env = append(cmd.Env, "PGSSLKEY=")      // No client key
-	cmd.Env = append(cmd.Env, "PGSSLROOTCERT=") // No root certificate verification
-	cmd.Env = append(cmd.Env, "PGSSLCRL=")      // No certificate revocation list
-
-	// Verify executable exists and is accessible
-	if _, err := exec.LookPath(pgBin); err != nil {
-		return fmt.Errorf(
-			"PostgreSQL executable not found or not accessible: %s - %w",
-			pgBin,
-			err,
-		)
+	if err := uc.setupPgEnvironment(cmd, pgpassFile, db.Postgresql.IsHttps, password, backupConfig.CpuCount, pgBin); err != nil {
+		return nil, err
 	}
 
 	pgStdout, err := cmd.StdoutPipe()
 	if err != nil {
-		return fmt.Errorf("stdout pipe: %w", err)
+		return nil, fmt.Errorf("stdout pipe: %w", err)
 	}
 
 	pgStderr, err := cmd.StderrPipe()
 	if err != nil {
-		return fmt.Errorf("stderr pipe: %w", err)
+		return nil, fmt.Errorf("stderr pipe: %w", err)
 	}
 
 	// Capture stderr in a separate goroutine to ensure we don't miss any error output
@@ -234,23 +148,31 @@ func (uc *CreatePostgresqlBackupUsecase) streamToStorage(
 		stderrCh <- stderrOutput
 	}()
 
-	// A pipe connecting pg_dump output → storage
 	storageReader, storageWriter := io.Pipe()
 
-	// Create a counting writer to track bytes
-	countingWriter := &CountingWriter{writer: storageWriter}
+	finalWriter, encryptionWriter, backupMetadata, err := uc.setupBackupEncryption(
+		backupID,
+		backupConfig,
+		storageWriter,
+	)
+	if err != nil {
+		return nil, err
+	}
+
+	countingWriter := &CountingWriter{writer: finalWriter}
 
 	// The backup ID becomes the object key / filename in storage
 
 	// Start streaming into storage in its own goroutine
 	saveErrCh := make(chan error, 1)
 	go func() {
-		saveErrCh <- storage.SaveFile(uc.logger, backupID, storageReader)
+		saveErr := storage.SaveFile(uc.logger, backupID, storageReader)
+		saveErrCh <- saveErr
 	}()
 
 	// Start pg_dump
 	if err = cmd.Start(); err != nil {
-		return fmt.Errorf("start %s: %w", filepath.Base(pgBin), err)
+		return nil, fmt.Errorf("start %s: %w", filepath.Base(pgBin), err)
 	}
 
 	// Copy pg output directly to storage with shutdown checks
@@ -272,23 +194,17 @@ func (uc *CreatePostgresqlBackupUsecase) streamToStorage(
 	bytesWritten := <-bytesWrittenCh
 	waitErr := cmd.Wait()
 
-	// Check for shutdown before finalizing
-	if config.IsShouldShutdown() {
-		if pipeWriter, ok := countingWriter.writer.(*io.PipeWriter); ok {
-			if err := pipeWriter.Close(); err != nil {
-				uc.logger.Error("Failed to close counting writer", "error", err)
-			}
-		}
-
-		<-saveErrCh // Wait for storage to finish
-		return fmt.Errorf("backup cancelled due to shutdown")
+	// Check for shutdown or cancellation before finalizing
+	select {
+	case <-ctx.Done():
+		uc.cleanupOnCancellation(encryptionWriter, storageWriter, saveErrCh)
+		return nil, uc.checkCancellationReason()
+	default:
 	}
 
-	// Close the pipe writer to signal end of data
-	if pipeWriter, ok := countingWriter.writer.(*io.PipeWriter); ok {
-		if err := pipeWriter.Close(); err != nil {
-			uc.logger.Error("Failed to close counting writer", "error", err)
-		}
+	if err := uc.closeWriters(encryptionWriter, storageWriter); err != nil {
+		<-saveErrCh
+		return nil, err
 	}
 
 	// Wait until storage ends reading
@@ -303,134 +219,34 @@ func (uc *CreatePostgresqlBackupUsecase) streamToStorage(
 
 	switch {
 	case waitErr != nil:
-		if config.IsShouldShutdown() {
-			return fmt.Errorf("backup cancelled due to shutdown")
+		if err := uc.checkCancellation(ctx); err != nil {
+			return nil, err
 		}
-
-		// Enhanced error handling for PostgreSQL connection and SSL issues
-		stderrStr := string(stderrOutput)
-		errorMsg := fmt.Sprintf(
-			"%s failed: %v – stderr: %s",
-			filepath.Base(pgBin),
-			waitErr,
-			stderrStr,
-		)
-
-		// Check for specific PostgreSQL error patterns
-		if exitErr, ok := waitErr.(*exec.ExitError); ok {
-			exitCode := exitErr.ExitCode()
-
-			// Enhanced debugging for exit status 1 with empty stderr
-			if exitCode == 1 && strings.TrimSpace(stderrStr) == "" {
-				uc.logger.Error("pg_dump failed with exit status 1 but no stderr output",
-					"pgBin", pgBin,
-					"args", args,
-					"env_vars", []string{
-						"PGCLIENTENCODING=UTF8",
-						"PGCONNECT_TIMEOUT=30",
-						"LC_ALL=C.UTF-8",
-						"LANG=C.UTF-8",
-						"PGOPTIONS=--client-encoding=UTF8",
-					},
-				)
-
-				errorMsg = fmt.Sprintf(
-					"%s failed with exit status 1 but provided no error details. "+
-						"This often indicates: "+
-						"1) Connection timeout or refused connection, "+
-						"2) Authentication failure with incorrect credentials, "+
-						"3) Database does not exist, "+
-						"4) Network connectivity issues, "+
-						"5) PostgreSQL server not running. "+
-						"Command executed: %s %s",
-					filepath.Base(pgBin),
-					pgBin,
-					strings.Join(args, " "),
-				)
-			} else if exitCode == -1073741819 { // 0xC0000005 in decimal
-				uc.logger.Error("PostgreSQL tool crashed with access violation",
-					"pgBin", pgBin,
-					"args", args,
-					"exitCode", fmt.Sprintf("0x%X", uint32(exitCode)),
-				)
-
-				errorMsg = fmt.Sprintf(
-					"%s crashed with access violation (0xC0000005). This may indicate incompatible PostgreSQL version, corrupted installation, or connection issues. stderr: %s",
-					filepath.Base(pgBin),
-					stderrStr,
-				)
-			} else if exitCode == 1 || exitCode == 2 {
-				// Check for common connection and authentication issues
-				if containsIgnoreCase(stderrStr, "pg_hba.conf") {
-					errorMsg = fmt.Sprintf(
-						"PostgreSQL connection rejected by server configuration (pg_hba.conf). The server may not allow connections from your IP address or may require different authentication settings. stderr: %s",
-						stderrStr,
-					)
-				} else if containsIgnoreCase(stderrStr, "no password supplied") || containsIgnoreCase(stderrStr, "fe_sendauth") {
-					errorMsg = fmt.Sprintf(
-						"PostgreSQL authentication failed - no password supplied. "+
-							"PGPASSWORD environment variable may not be working correctly on this system. "+
-							"Password length: %d, Password empty: %v. "+
-							"Consider using a .pgpass file as an alternative. stderr: %s",
-						len(password),
-						password == "",
-						stderrStr,
-					)
-				} else if containsIgnoreCase(stderrStr, "ssl") && containsIgnoreCase(stderrStr, "connection") {
-					errorMsg = fmt.Sprintf(
-						"PostgreSQL SSL connection failed. The server may require SSL encryption or have SSL configuration issues. stderr: %s",
-						stderrStr,
-					)
-				} else if containsIgnoreCase(stderrStr, "connection") && containsIgnoreCase(stderrStr, "refused") {
-					errorMsg = fmt.Sprintf(
-						"PostgreSQL connection refused. Check if the server is running and accessible from your network. stderr: %s",
-						stderrStr,
-					)
-				} else if containsIgnoreCase(stderrStr, "authentication") || containsIgnoreCase(stderrStr, "password") {
-					errorMsg = fmt.Sprintf(
-						"PostgreSQL authentication failed. Check username and password. stderr: %s",
-						stderrStr,
-					)
-				} else if containsIgnoreCase(stderrStr, "timeout") {
-					errorMsg = fmt.Sprintf(
-						"PostgreSQL connection timeout. The server may be unreachable or overloaded. stderr: %s",
-						stderrStr,
-					)
-				}
-			}
-		}
-
-		return errors.New(errorMsg)
+		return nil, uc.buildPgDumpErrorMessage(waitErr, stderrOutput, pgBin, args, password)
 	case copyErr != nil:
-		if config.IsShouldShutdown() {
-			return fmt.Errorf("backup cancelled due to shutdown")
+		if err := uc.checkCancellation(ctx); err != nil {
+			return nil, err
 		}
-
-		return fmt.Errorf("copy to storage: %w", copyErr)
+		return nil, fmt.Errorf("copy to storage: %w", copyErr)
 	case saveErr != nil:
-		if config.IsShouldShutdown() {
-			return fmt.Errorf("backup cancelled due to shutdown")
+		if err := uc.checkCancellation(ctx); err != nil {
+			return nil, err
 		}
-
-		return fmt.Errorf("save to storage: %w", saveErr)
+		return nil, fmt.Errorf("save to storage: %w", saveErr)
 	}
 
-	return nil
+	return &backupMetadata, nil
 }
 
-// copyWithShutdownCheck copies data from src to dst while checking for shutdown
 func (uc *CreatePostgresqlBackupUsecase) copyWithShutdownCheck(
 	ctx context.Context,
 	dst io.Writer,
 	src io.Reader,
 	backupProgressListener func(completedMBs float64),
 ) (int64, error) {
-	buf := make([]byte, 32*1024) // 32KB buffer
+	buf := make([]byte, copyBufferSize)
 	var totalBytesWritten int64
-
-	// Progress reporting interval - report every 1MB of data
 	var lastReportedMB float64
-	const reportIntervalMB = 1.0
 
 	for {
 		select {
@@ -463,12 +279,9 @@ func (uc *CreatePostgresqlBackupUsecase) copyWithShutdownCheck(
 
 			totalBytesWritten += int64(bytesWritten)
 
-			// Report progress based on total size
 			if backupProgressListener != nil {
 				currentSizeMB := float64(totalBytesWritten) / (1024 * 1024)
-
-				// Only report if we've written at least 1MB more data than last report
-				if currentSizeMB >= lastReportedMB+reportIntervalMB {
+				if currentSizeMB >= lastReportedMB+progressReportIntervalMB {
 					backupProgressListener(currentSizeMB)
 					lastReportedMB = currentSizeMB
 				}
@@ -479,7 +292,6 @@ func (uc *CreatePostgresqlBackupUsecase) copyWithShutdownCheck(
 			if readErr != io.EOF {
 				return totalBytesWritten, readErr
 			}
-
 			break
 		}
 	}
@@ -487,12 +299,412 @@ func (uc *CreatePostgresqlBackupUsecase) copyWithShutdownCheck(
 	return totalBytesWritten, nil
 }
 
-// containsIgnoreCase checks if a string contains a substring, ignoring case
-func containsIgnoreCase(str, substr string) bool {
-	return strings.Contains(strings.ToLower(str), strings.ToLower(substr))
+func (uc *CreatePostgresqlBackupUsecase) buildPgDumpArgs(pg *pgtypes.PostgresqlDatabase) []string {
+	args := []string{
+		"-Fc",
+		"--no-password",
+		"-h", pg.Host,
+		"-p", strconv.Itoa(pg.Port),
+		"-U", pg.Username,
+		"-d", *pg.Database,
+		"--verbose",
+	}
+
+	compressionArgs := uc.getCompressionArgs(pg.Version)
+	return append(args, compressionArgs...)
+}
+
+func (uc *CreatePostgresqlBackupUsecase) getCompressionArgs(
+	version tools.PostgresqlVersion,
+) []string {
+	if uc.isOlderPostgresVersion(version) {
+		uc.logger.Info("Using gzip compression level 5 (zstd not available)", "version", version)
+		return []string{"-Z", strconv.Itoa(compressionLevel)}
+	}
+
+	uc.logger.Info("Using zstd compression level 5", "version", version)
+	return []string{fmt.Sprintf("--compress=zstd:%d", compressionLevel)}
+}
+
+func (uc *CreatePostgresqlBackupUsecase) isOlderPostgresVersion(
+	version tools.PostgresqlVersion,
+) bool {
+	return version == tools.PostgresqlVersion12 ||
+		version == tools.PostgresqlVersion13 ||
+		version == tools.PostgresqlVersion14 ||
+		version == tools.PostgresqlVersion15
+}
+
+func (uc *CreatePostgresqlBackupUsecase) createBackupContext(
+	parentCtx context.Context,
+) (context.Context, context.CancelFunc) {
+	ctx, cancel := context.WithTimeout(parentCtx, backupTimeout)
+
+	go func() {
+		ticker := time.NewTicker(shutdownCheckInterval)
+		defer ticker.Stop()
+
+		for {
+			select {
+			case <-ctx.Done():
+				return
+			case <-ticker.C:
+				if config.IsShouldShutdown() {
+					cancel()
+					return
+				}
+			}
+		}
+	}()
+
+	return ctx, cancel
+}
+
+func (uc *CreatePostgresqlBackupUsecase) setupPgpassFile(
+	pgConfig *pgtypes.PostgresqlDatabase,
+	password string,
+) (string, error) {
+	pgpassFile, err := uc.createTempPgpassFile(pgConfig, password)
+	if err != nil {
+		return "", fmt.Errorf("failed to create temporary .pgpass file: %w", err)
+	}
+
+	if pgpassFile == "" {
+		return "", fmt.Errorf("temporary .pgpass file was not created")
+	}
+
+	if info, err := os.Stat(pgpassFile); err == nil {
+		uc.logger.Info("Temporary .pgpass file created successfully",
+			"pgpassFile", pgpassFile,
+			"size", info.Size(),
+			"mode", info.Mode(),
+		)
+	} else {
+		return "", fmt.Errorf("failed to verify .pgpass file: %w", err)
+	}
+
+	return pgpassFile, nil
+}
+
+func (uc *CreatePostgresqlBackupUsecase) setupPgEnvironment(
+	cmd *exec.Cmd,
+	pgpassFile string,
+	shouldRequireSSL bool,
+	password string,
+	cpuCount int,
+	pgBin string,
+) error {
+	cmd.Env = os.Environ()
+	cmd.Env = append(cmd.Env, "PGPASSFILE="+pgpassFile)
+
+	uc.logger.Info("Using temporary .pgpass file for authentication", "pgpassFile", pgpassFile)
+	uc.logger.Info("Setting up PostgreSQL environment",
+		"passwordLength", len(password),
+		"passwordEmpty", password == "",
+		"pgBin", pgBin,
+		"usingPgpassFile", true,
+		"parallelJobs", cpuCount,
+	)
+
+	cmd.Env = append(cmd.Env,
+		"PGCLIENTENCODING=UTF8",
+		"PGCONNECT_TIMEOUT="+strconv.Itoa(pgConnectTimeout),
+		"LC_ALL=C.UTF-8",
+		"LANG=C.UTF-8",
+		"PGOPTIONS=--client-encoding=UTF8",
+	)
+
+	if shouldRequireSSL {
+		cmd.Env = append(cmd.Env, "PGSSLMODE=require")
+		uc.logger.Info("Using required SSL mode", "configuredHttps", shouldRequireSSL)
+	} else {
+		cmd.Env = append(cmd.Env, "PGSSLMODE=prefer")
+		uc.logger.Info("Using preferred SSL mode", "configuredHttps", shouldRequireSSL)
+	}
+
+	cmd.Env = append(cmd.Env,
+		"PGSSLCERT=",
+		"PGSSLKEY=",
+		"PGSSLROOTCERT=",
+		"PGSSLCRL=",
+	)
+
+	if _, err := exec.LookPath(pgBin); err != nil {
+		return fmt.Errorf("PostgreSQL executable not found or not accessible: %s - %w", pgBin, err)
+	}
+
+	return nil
+}
+
+func (uc *CreatePostgresqlBackupUsecase) setupBackupEncryption(
+	backupID uuid.UUID,
+	backupConfig *backups_config.BackupConfig,
+	storageWriter io.WriteCloser,
+) (io.Writer, *encryption.EncryptionWriter, BackupMetadata, error) {
+	metadata := BackupMetadata{}
+
+	if backupConfig.Encryption != backups_config.BackupEncryptionEncrypted {
+		metadata.Encryption = backups_config.BackupEncryptionNone
+		uc.logger.Info("Encryption disabled for backup", "backupId", backupID)
+		return storageWriter, nil, metadata, nil
+	}
+
+	salt, err := encryption.GenerateSalt()
+	if err != nil {
+		return nil, nil, metadata, fmt.Errorf("failed to generate salt: %w", err)
+	}
+
+	nonce, err := encryption.GenerateNonce()
+	if err != nil {
+		return nil, nil, metadata, fmt.Errorf("failed to generate nonce: %w", err)
+	}
+
+	masterKey, err := uc.secretKeyRepo.GetSecretKey()
+	if err != nil {
+		return nil, nil, metadata, fmt.Errorf("failed to get master key: %w", err)
+	}
+
+	encWriter, err := encryption.NewEncryptionWriter(
+		storageWriter,
+		masterKey,
+		backupID,
+		salt,
+		nonce,
+	)
+	if err != nil {
+		return nil, nil, metadata, fmt.Errorf("failed to create encrypting writer: %w", err)
+	}
+
+	saltBase64 := base64.StdEncoding.EncodeToString(salt)
+	nonceBase64 := base64.StdEncoding.EncodeToString(nonce)
+	metadata.EncryptionSalt = &saltBase64
+	metadata.EncryptionIV = &nonceBase64
+	metadata.Encryption = backups_config.BackupEncryptionEncrypted
+
+	uc.logger.Info("Encryption enabled for backup", "backupId", backupID)
+	return encWriter, encWriter, metadata, nil
+}
+
+func (uc *CreatePostgresqlBackupUsecase) cleanupOnCancellation(
+	encryptionWriter *encryption.EncryptionWriter,
+	storageWriter io.WriteCloser,
+	saveErrCh chan error,
+) {
+	if encryptionWriter != nil {
+		go func() {
+			if closeErr := encryptionWriter.Close(); closeErr != nil {
+				uc.logger.Error(
+					"Failed to close encrypting writer during cancellation",
+					"error",
+					closeErr,
+				)
+			}
+		}()
+	}
+
+	if err := storageWriter.Close(); err != nil {
+		uc.logger.Error("Failed to close pipe writer during cancellation", "error", err)
+	}
+
+	<-saveErrCh
+}
+
+func (uc *CreatePostgresqlBackupUsecase) closeWriters(
+	encryptionWriter *encryption.EncryptionWriter,
+	storageWriter io.WriteCloser,
+) error {
+	encryptionCloseErrCh := make(chan error, 1)
+	if encryptionWriter != nil {
+		go func() {
+			closeErr := encryptionWriter.Close()
+			if closeErr != nil {
+				uc.logger.Error("Failed to close encrypting writer", "error", closeErr)
+			}
+			encryptionCloseErrCh <- closeErr
+		}()
+	} else {
+		encryptionCloseErrCh <- nil
+	}
+
+	encryptionCloseErr := <-encryptionCloseErrCh
+	if encryptionCloseErr != nil {
+		if err := storageWriter.Close(); err != nil {
+			uc.logger.Error("Failed to close pipe writer after encryption error", "error", err)
+		}
+		return fmt.Errorf("failed to close encryption writer: %w", encryptionCloseErr)
+	}
+
+	if err := storageWriter.Close(); err != nil {
+		uc.logger.Error("Failed to close pipe writer", "error", err)
+		return err
+	}
+
+	return nil
+}
+
+func (uc *CreatePostgresqlBackupUsecase) checkCancellation(ctx context.Context) error {
+	select {
+	case <-ctx.Done():
+		if config.IsShouldShutdown() {
+			return fmt.Errorf("backup cancelled due to shutdown")
+		}
+		return fmt.Errorf("backup cancelled")
+	default:
+		return nil
+	}
+}
+
+func (uc *CreatePostgresqlBackupUsecase) checkCancellationReason() error {
+	if config.IsShouldShutdown() {
+		return fmt.Errorf("backup cancelled due to shutdown")
+	}
+	return fmt.Errorf("backup cancelled")
+}
+
+func (uc *CreatePostgresqlBackupUsecase) buildPgDumpErrorMessage(
+	waitErr error,
+	stderrOutput []byte,
+	pgBin string,
+	args []string,
+	password string,
+) error {
+	stderrStr := string(stderrOutput)
+	errorMsg := fmt.Sprintf("%s failed: %v – stderr: %s", filepath.Base(pgBin), waitErr, stderrStr)
+
+	exitErr, ok := waitErr.(*exec.ExitError)
+	if !ok {
+		return errors.New(errorMsg)
+	}
+
+	exitCode := exitErr.ExitCode()
+
+	if exitCode == exitCodeGenericError && strings.TrimSpace(stderrStr) == "" {
+		return uc.handleExitCode1NoStderr(pgBin, args)
+	}
+
+	if exitCode == exitCodeAccessViolation {
+		return uc.handleAccessViolation(pgBin, stderrStr)
+	}
+
+	if exitCode == exitCodeGenericError || exitCode == exitCodeConnectionError {
+		return uc.handleConnectionErrors(stderrStr, password)
+	}
+
+	return errors.New(errorMsg)
+}
+
+func (uc *CreatePostgresqlBackupUsecase) handleExitCode1NoStderr(
+	pgBin string,
+	args []string,
+) error {
+	uc.logger.Error("pg_dump failed with exit status 1 but no stderr output",
+		"pgBin", pgBin,
+		"args", args,
+		"env_vars", []string{
+			"PGCLIENTENCODING=UTF8",
+			"PGCONNECT_TIMEOUT=" + strconv.Itoa(pgConnectTimeout),
+			"LC_ALL=C.UTF-8",
+			"LANG=C.UTF-8",
+			"PGOPTIONS=--client-encoding=UTF8",
+		},
+	)
+
+	return fmt.Errorf(
+		"%s failed with exit status 1 but provided no error details. "+
+			"This often indicates: "+
+			"1) Connection timeout or refused connection, "+
+			"2) Authentication failure with incorrect credentials, "+
+			"3) Database does not exist, "+
+			"4) Network connectivity issues, "+
+			"5) PostgreSQL server not running. "+
+			"Command executed: %s %s",
+		filepath.Base(pgBin),
+		pgBin,
+		strings.Join(args, " "),
+	)
+}
+
+func (uc *CreatePostgresqlBackupUsecase) handleAccessViolation(
+	pgBin string,
+	stderrStr string,
+) error {
+	uc.logger.Error("PostgreSQL tool crashed with access violation",
+		"pgBin", pgBin,
+		"exitCode", "0xC0000005",
+	)
+
+	return fmt.Errorf(
+		"%s crashed with access violation (0xC0000005). "+
+			"This may indicate incompatible PostgreSQL version, corrupted installation, or connection issues. "+
+			"stderr: %s",
+		filepath.Base(pgBin),
+		stderrStr,
+	)
+}
+
+func (uc *CreatePostgresqlBackupUsecase) handleConnectionErrors(
+	stderrStr string,
+	password string,
+) error {
+	if containsIgnoreCase(stderrStr, "pg_hba.conf") {
+		return fmt.Errorf(
+			"PostgreSQL connection rejected by server configuration (pg_hba.conf). "+
+				"The server may not allow connections from your IP address or may require different authentication settings. "+
+				"stderr: %s",
+			stderrStr,
+		)
+	}
+
+	if containsIgnoreCase(stderrStr, "no password supplied") ||
+		containsIgnoreCase(stderrStr, "fe_sendauth") {
+		return fmt.Errorf(
+			"PostgreSQL authentication failed - no password supplied. "+
+				"PGPASSWORD environment variable may not be working correctly on this system. "+
+				"Password length: %d, Password empty: %v. "+
+				"Consider using a .pgpass file as an alternative. "+
+				"stderr: %s",
+			len(password),
+			password == "",
+			stderrStr,
+		)
+	}
+
+	if containsIgnoreCase(stderrStr, "ssl") && containsIgnoreCase(stderrStr, "connection") {
+		return fmt.Errorf(
+			"PostgreSQL SSL connection failed. "+
+				"The server may require SSL encryption or have SSL configuration issues. "+
+				"stderr: %s",
+			stderrStr,
+		)
+	}
+
+	if containsIgnoreCase(stderrStr, "connection") && containsIgnoreCase(stderrStr, "refused") {
+		return fmt.Errorf(
+			"PostgreSQL connection refused. "+
+				"Check if the server is running and accessible from your network. "+
+				"stderr: %s",
+			stderrStr,
+		)
+	}
+
+	if containsIgnoreCase(stderrStr, "authentication") ||
+		containsIgnoreCase(stderrStr, "password") {
+		return fmt.Errorf(
+			"PostgreSQL authentication failed. Check username and password. stderr: %s",
+			stderrStr,
+		)
+	}
+
+	if containsIgnoreCase(stderrStr, "timeout") {
+		return fmt.Errorf(
+			"PostgreSQL connection timeout. The server may be unreachable or overloaded. stderr: %s",
+			stderrStr,
+		)
+	}
+
+	return fmt.Errorf("PostgreSQL connection or authentication error. stderr: %s", stderrStr)
 }
 
-// createTempPgpassFile creates a temporary .pgpass file with the given password
 func (uc *CreatePostgresqlBackupUsecase) createTempPgpassFile(
 	pgConfig *pgtypes.PostgresqlDatabase,
 	password string,
@@ -508,7 +720,6 @@ func (uc *CreatePostgresqlBackupUsecase) createTempPgpassFile(
 		password,
 	)
 
-	// it always create unique directory like /tmp/pgpass-1234567890
 	tempDir, err := os.MkdirTemp("", "pgpass")
 	if err != nil {
 		return "", fmt.Errorf("failed to create temporary directory: %w", err)
@@ -522,3 +733,7 @@ func (uc *CreatePostgresqlBackupUsecase) createTempPgpassFile(
 
 	return pgpassFile, nil
 }
+
+func containsIgnoreCase(str, substr string) bool {
+	return strings.Contains(strings.ToLower(str), strings.ToLower(substr))
+}

backend/internal/features/backups/backups/usecases/postgresql/di.go

@@ -1,11 +1,13 @@
 package usecases_postgresql
 
 import (
+	users_repositories "postgresus-backend/internal/features/users/repositories"
 	"postgresus-backend/internal/util/logger"
 )
 
 var createPostgresqlBackupUsecase = &CreatePostgresqlBackupUsecase{
 	logger.GetLogger(),
+	users_repositories.GetSecretKeyRepository(),
 }
 
 func GetCreatePostgresqlBackupUsecase() *CreatePostgresqlBackupUsecase {

backend/internal/features/backups/backups/usecases/postgresql/dto.go

@@ -0,0 +1,15 @@
+package usecases_postgresql
+
+import backups_config "postgresus-backend/internal/features/backups/config"
+
+type EncryptionMetadata struct {
+	Salt       string
+	IV         string
+	Encryption backups_config.BackupEncryption
+}
+
+type BackupMetadata struct {
+	EncryptionSalt *string
+	EncryptionIV   *string
+	Encryption     backups_config.BackupEncryption
+}

backend/internal/features/backups/config/controller.go

@@ -2,7 +2,7 @@ package backups_config
 
 import (
 	"net/http"
-	"postgresus-backend/internal/features/users"
+	users_middleware "postgresus-backend/internal/features/users/middleware"
 
 	"github.com/gin-gonic/gin"
 	"github.com/google/uuid"
@@ -10,7 +10,6 @@ import (
 
 type BackupConfigController struct {
 	backupConfigService *BackupConfigService
-	userService         *users.UserService
 }
 
 func (c *BackupConfigController) RegisterRoutes(router *gin.RouterGroup) {
@@ -21,35 +20,29 @@ func (c *BackupConfigController) RegisterRoutes(router *gin.RouterGroup) {
 
 // SaveBackupConfig
 // @Summary Save backup configuration
-// @Description Save or update backup configuration for a database
+// @Description Save or update backup configuration for a database. Encryption can be set to NONE (no encryption) or ENCRYPTED (AES-256-GCM encryption).
 // @Tags backup-configs
 // @Accept json
 // @Produce json
-// @Param request body BackupConfig true "Backup configuration data"
-// @Success 200 {object} BackupConfig
-// @Failure 400
-// @Failure 401
-// @Failure 500
+// @Param request body BackupConfig true "Backup configuration data (encryption field: NONE or ENCRYPTED)"
+// @Success 200 {object} BackupConfig "Returns the saved backup configuration including encryption settings"
+// @Failure 400 {object} map[string]string "Invalid encryption value or other validation errors"
+// @Failure 401 {object} map[string]string "User not authenticated"
+// @Failure 500 {object} map[string]string "Internal server error"
 // @Router /backup-configs/save [post]
 func (c *BackupConfigController) SaveBackupConfig(ctx *gin.Context) {
+	user, ok := users_middleware.GetUserFromContext(ctx)
+	if !ok {
+		ctx.JSON(http.StatusUnauthorized, gin.H{"error": "User not authenticated"})
+		return
+	}
+
 	var requestDTO BackupConfig
 	if err := ctx.ShouldBindJSON(&requestDTO); err != nil {
 		ctx.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
 		return
 	}
 
-	authorizationHeader := ctx.GetHeader("Authorization")
-	if authorizationHeader == "" {
-		ctx.JSON(http.StatusUnauthorized, gin.H{"error": "authorization header is required"})
-		return
-	}
-
-	user, err := c.userService.GetUserFromToken(authorizationHeader)
-	if err != nil {
-		ctx.JSON(http.StatusUnauthorized, gin.H{"error": "invalid token"})
-		return
-	}
-
 	// make sure we rely on full .Storage object
 	requestDTO.StorageID = nil
 
@@ -64,40 +57,28 @@ func (c *BackupConfigController) SaveBackupConfig(ctx *gin.Context) {
 
 // GetBackupConfigByDbID
 // @Summary Get backup configuration by database ID
-// @Description Get backup configuration for a specific database
+// @Description Get backup configuration for a specific database including encryption settings (NONE or ENCRYPTED)
 // @Tags backup-configs
 // @Produce json
 // @Param id path string true "Database ID"
-// @Success 200 {object} BackupConfig
-// @Failure 400
-// @Failure 401
-// @Failure 404
+// @Success 200 {object} BackupConfig "Returns backup configuration with encryption field"
+// @Failure 400 {object} map[string]string "Invalid database ID"
+// @Failure 401 {object} map[string]string "User not authenticated"
+// @Failure 404 {object} map[string]string "Backup configuration not found"
 // @Router /backup-configs/database/{id} [get]
 func (c *BackupConfigController) GetBackupConfigByDbID(ctx *gin.Context) {
+	user, ok := users_middleware.GetUserFromContext(ctx)
+	if !ok {
+		ctx.JSON(http.StatusUnauthorized, gin.H{"error": "User not authenticated"})
+		return
+	}
+
 	id, err := uuid.Parse(ctx.Param("id"))
 	if err != nil {
 		ctx.JSON(http.StatusBadRequest, gin.H{"error": "invalid database ID"})
 		return
 	}
 
-	authorizationHeader := ctx.GetHeader("Authorization")
-	if authorizationHeader == "" {
-		ctx.JSON(http.StatusUnauthorized, gin.H{"error": "authorization header is required"})
-		return
-	}
-
-	_, err = c.userService.GetUserFromToken(authorizationHeader)
-	if err != nil {
-		ctx.JSON(http.StatusUnauthorized, gin.H{"error": "invalid token"})
-		return
-	}
-
-	user, err := c.userService.GetUserFromToken(authorizationHeader)
-	if err != nil {
-		ctx.JSON(http.StatusUnauthorized, gin.H{"error": "invalid token"})
-		return
-	}
-
 	backupConfig, err := c.backupConfigService.GetBackupConfigByDbIdWithAuth(user, id)
 	if err != nil {
 		ctx.JSON(http.StatusNotFound, gin.H{"error": "backup configuration not found"})
@@ -119,24 +100,18 @@ func (c *BackupConfigController) GetBackupConfigByDbID(ctx *gin.Context) {
 // @Failure 500
 // @Router /backup-configs/storage/{id}/is-using [get]
 func (c *BackupConfigController) IsStorageUsing(ctx *gin.Context) {
+	user, ok := users_middleware.GetUserFromContext(ctx)
+	if !ok {
+		ctx.JSON(http.StatusUnauthorized, gin.H{"error": "User not authenticated"})
+		return
+	}
+
 	id, err := uuid.Parse(ctx.Param("id"))
 	if err != nil {
 		ctx.JSON(http.StatusBadRequest, gin.H{"error": "invalid storage ID"})
 		return
 	}
 
-	authorizationHeader := ctx.GetHeader("Authorization")
-	if authorizationHeader == "" {
-		ctx.JSON(http.StatusUnauthorized, gin.H{"error": "authorization header is required"})
-		return
-	}
-
-	user, err := c.userService.GetUserFromToken(authorizationHeader)
-	if err != nil {
-		ctx.JSON(http.StatusUnauthorized, gin.H{"error": "invalid token"})
-		return
-	}
-
 	isUsing, err := c.backupConfigService.IsStorageUsing(user, id)
 	if err != nil {
 		ctx.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})

backend/internal/features/backups/config/controller_test.go

@@ -0,0 +1,493 @@
+package backups_config
+
+import (
+	"encoding/json"
+	"net/http"
+	"testing"
+
+	"github.com/gin-gonic/gin"
+	"github.com/google/uuid"
+	"github.com/stretchr/testify/assert"
+
+	"postgresus-backend/internal/features/databases"
+	"postgresus-backend/internal/features/databases/databases/postgresql"
+	"postgresus-backend/internal/features/intervals"
+	"postgresus-backend/internal/features/storages"
+	users_enums "postgresus-backend/internal/features/users/enums"
+	users_testing "postgresus-backend/internal/features/users/testing"
+	workspaces_controllers "postgresus-backend/internal/features/workspaces/controllers"
+	workspaces_testing "postgresus-backend/internal/features/workspaces/testing"
+	"postgresus-backend/internal/util/period"
+	test_utils "postgresus-backend/internal/util/testing"
+	"postgresus-backend/internal/util/tools"
+)
+
+func createTestRouter() *gin.Engine {
+	router := workspaces_testing.CreateTestRouter(
+		workspaces_controllers.GetWorkspaceController(),
+		workspaces_controllers.GetMembershipController(),
+		databases.GetDatabaseController(),
+		GetBackupConfigController(),
+	)
+	return router
+}
+
+func Test_SaveBackupConfig_PermissionsEnforced(t *testing.T) {
+	tests := []struct {
+		name               string
+		workspaceRole      *users_enums.WorkspaceRole
+		isGlobalAdmin      bool
+		expectSuccess      bool
+		expectedStatusCode int
+	}{
+		{
+			name:               "workspace owner can save backup config",
+			workspaceRole:      func() *users_enums.WorkspaceRole { r := users_enums.WorkspaceRoleOwner; return &r }(),
+			isGlobalAdmin:      false,
+			expectSuccess:      true,
+			expectedStatusCode: http.StatusOK,
+		},
+		{
+			name:               "workspace admin can save backup config",
+			workspaceRole:      func() *users_enums.WorkspaceRole { r := users_enums.WorkspaceRoleAdmin; return &r }(),
+			isGlobalAdmin:      false,
+			expectSuccess:      true,
+			expectedStatusCode: http.StatusOK,
+		},
+		{
+			name:               "workspace member can save backup config",
+			workspaceRole:      func() *users_enums.WorkspaceRole { r := users_enums.WorkspaceRoleMember; return &r }(),
+			isGlobalAdmin:      false,
+			expectSuccess:      true,
+			expectedStatusCode: http.StatusOK,
+		},
+		{
+			name:               "workspace viewer cannot save backup config",
+			workspaceRole:      func() *users_enums.WorkspaceRole { r := users_enums.WorkspaceRoleViewer; return &r }(),
+			isGlobalAdmin:      false,
+			expectSuccess:      false,
+			expectedStatusCode: http.StatusBadRequest,
+		},
+		{
+			name:               "global admin can save backup config",
+			workspaceRole:      nil,
+			isGlobalAdmin:      true,
+			expectSuccess:      true,
+			expectedStatusCode: http.StatusOK,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			router := createTestRouter()
+			owner := users_testing.CreateTestUser(users_enums.UserRoleMember)
+			workspace := workspaces_testing.CreateTestWorkspace("Test Workspace", owner, router)
+
+			database := createTestDatabaseViaAPI("Test Database", workspace.ID, owner.Token, router)
+
+			var testUserToken string
+			if tt.isGlobalAdmin {
+				admin := users_testing.CreateTestUser(users_enums.UserRoleAdmin)
+				testUserToken = admin.Token
+			} else if tt.workspaceRole != nil && *tt.workspaceRole == users_enums.WorkspaceRoleOwner {
+				testUserToken = owner.Token
+			} else if tt.workspaceRole != nil {
+				member := users_testing.CreateTestUser(users_enums.UserRoleMember)
+				workspaces_testing.AddMemberToWorkspace(workspace, member, *tt.workspaceRole, owner.Token, router)
+				testUserToken = member.Token
+			}
+
+			timeOfDay := "04:00"
+			request := BackupConfig{
+				DatabaseID:       database.ID,
+				IsBackupsEnabled: true,
+				StorePeriod:      period.PeriodWeek,
+				BackupInterval: &intervals.Interval{
+					Interval:  intervals.IntervalDaily,
+					TimeOfDay: &timeOfDay,
+				},
+				SendNotificationsOn: []BackupNotificationType{
+					NotificationBackupFailed,
+				},
+				CpuCount:            2,
+				IsRetryIfFailed:     true,
+				MaxFailedTriesCount: 3,
+			}
+
+			var response BackupConfig
+			testResp := test_utils.MakePostRequestAndUnmarshal(
+				t,
+				router,
+				"/api/v1/backup-configs/save",
+				"Bearer "+testUserToken,
+				request,
+				tt.expectedStatusCode,
+				&response,
+			)
+
+			if tt.expectSuccess {
+				assert.Equal(t, database.ID, response.DatabaseID)
+				assert.True(t, response.IsBackupsEnabled)
+				assert.Equal(t, period.PeriodWeek, response.StorePeriod)
+				assert.Equal(t, 2, response.CpuCount)
+			} else {
+				assert.Contains(t, string(testResp.Body), "insufficient permissions")
+			}
+		})
+	}
+}
+
+func Test_SaveBackupConfig_WhenUserIsNotWorkspaceMember_ReturnsForbidden(t *testing.T) {
+	router := createTestRouter()
+	owner := users_testing.CreateTestUser(users_enums.UserRoleMember)
+	workspace := workspaces_testing.CreateTestWorkspace("Test Workspace", owner, router)
+
+	database := createTestDatabaseViaAPI("Test Database", workspace.ID, owner.Token, router)
+
+	nonMember := users_testing.CreateTestUser(users_enums.UserRoleMember)
+
+	timeOfDay := "04:00"
+	request := BackupConfig{
+		DatabaseID:       database.ID,
+		IsBackupsEnabled: true,
+		StorePeriod:      period.PeriodWeek,
+		BackupInterval: &intervals.Interval{
+			Interval:  intervals.IntervalDaily,
+			TimeOfDay: &timeOfDay,
+		},
+		SendNotificationsOn: []BackupNotificationType{
+			NotificationBackupFailed,
+		},
+		CpuCount:            2,
+		IsRetryIfFailed:     true,
+		MaxFailedTriesCount: 3,
+	}
+
+	testResp := test_utils.MakePostRequest(
+		t,
+		router,
+		"/api/v1/backup-configs/save",
+		"Bearer "+nonMember.Token,
+		request,
+		http.StatusBadRequest,
+	)
+
+	assert.Contains(t, string(testResp.Body), "insufficient permissions")
+}
+
+func Test_GetBackupConfigByDbID_PermissionsEnforced(t *testing.T) {
+	tests := []struct {
+		name               string
+		workspaceRole      *users_enums.WorkspaceRole
+		isGlobalAdmin      bool
+		expectSuccess      bool
+		expectedStatusCode int
+	}{
+		{
+			name:               "workspace owner can get backup config",
+			workspaceRole:      func() *users_enums.WorkspaceRole { r := users_enums.WorkspaceRoleOwner; return &r }(),
+			isGlobalAdmin:      false,
+			expectSuccess:      true,
+			expectedStatusCode: http.StatusOK,
+		},
+		{
+			name:               "workspace admin can get backup config",
+			workspaceRole:      func() *users_enums.WorkspaceRole { r := users_enums.WorkspaceRoleAdmin; return &r }(),
+			isGlobalAdmin:      false,
+			expectSuccess:      true,
+			expectedStatusCode: http.StatusOK,
+		},
+		{
+			name:               "workspace member can get backup config",
+			workspaceRole:      func() *users_enums.WorkspaceRole { r := users_enums.WorkspaceRoleMember; return &r }(),
+			isGlobalAdmin:      false,
+			expectSuccess:      true,
+			expectedStatusCode: http.StatusOK,
+		},
+		{
+			name:               "workspace viewer can get backup config",
+			workspaceRole:      func() *users_enums.WorkspaceRole { r := users_enums.WorkspaceRoleViewer; return &r }(),
+			isGlobalAdmin:      false,
+			expectSuccess:      true,
+			expectedStatusCode: http.StatusOK,
+		},
+		{
+			name:               "global admin can get backup config",
+			workspaceRole:      nil,
+			isGlobalAdmin:      true,
+			expectSuccess:      true,
+			expectedStatusCode: http.StatusOK,
+		},
+		{
+			name:               "non-member cannot get backup config",
+			workspaceRole:      nil,
+			isGlobalAdmin:      false,
+			expectSuccess:      false,
+			expectedStatusCode: http.StatusNotFound,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			router := createTestRouter()
+			owner := users_testing.CreateTestUser(users_enums.UserRoleMember)
+			workspace := workspaces_testing.CreateTestWorkspace("Test Workspace", owner, router)
+
+			database := createTestDatabaseViaAPI("Test Database", workspace.ID, owner.Token, router)
+
+			var testUserToken string
+			if tt.isGlobalAdmin {
+				admin := users_testing.CreateTestUser(users_enums.UserRoleAdmin)
+				testUserToken = admin.Token
+			} else if tt.workspaceRole != nil && *tt.workspaceRole == users_enums.WorkspaceRoleOwner {
+				testUserToken = owner.Token
+			} else if tt.workspaceRole != nil {
+				member := users_testing.CreateTestUser(users_enums.UserRoleMember)
+				workspaces_testing.AddMemberToWorkspace(workspace, member, *tt.workspaceRole, owner.Token, router)
+				testUserToken = member.Token
+			} else {
+				nonMember := users_testing.CreateTestUser(users_enums.UserRoleMember)
+				testUserToken = nonMember.Token
+			}
+
+			var response BackupConfig
+			testResp := test_utils.MakeGetRequestAndUnmarshal(
+				t,
+				router,
+				"/api/v1/backup-configs/database/"+database.ID.String(),
+				"Bearer "+testUserToken,
+				tt.expectedStatusCode,
+				&response,
+			)
+
+			if tt.expectSuccess {
+				assert.Equal(t, database.ID, response.DatabaseID)
+				assert.NotNil(t, response.BackupInterval)
+			} else {
+				assert.Contains(t, string(testResp.Body), "backup configuration not found")
+			}
+		})
+	}
+}
+
+func Test_GetBackupConfigByDbID_ReturnsDefaultConfigForNewDatabase(t *testing.T) {
+	router := createTestRouter()
+	owner := users_testing.CreateTestUser(users_enums.UserRoleMember)
+	workspace := workspaces_testing.CreateTestWorkspace("Test Workspace", owner, router)
+
+	database := createTestDatabaseViaAPI("Test Database", workspace.ID, owner.Token, router)
+
+	var response BackupConfig
+	test_utils.MakeGetRequestAndUnmarshal(
+		t,
+		router,
+		"/api/v1/backup-configs/database/"+database.ID.String(),
+		"Bearer "+owner.Token,
+		http.StatusOK,
+		&response,
+	)
+
+	assert.Equal(t, database.ID, response.DatabaseID)
+	assert.False(t, response.IsBackupsEnabled)
+	assert.Equal(t, period.PeriodWeek, response.StorePeriod)
+	assert.Equal(t, 1, response.CpuCount)
+	assert.True(t, response.IsRetryIfFailed)
+	assert.Equal(t, 3, response.MaxFailedTriesCount)
+	assert.NotNil(t, response.BackupInterval)
+}
+
+func Test_IsStorageUsing_PermissionsEnforced(t *testing.T) {
+	tests := []struct {
+		name               string
+		isStorageOwner     bool
+		expectSuccess      bool
+		expectedStatusCode int
+	}{
+		{
+			name:               "storage owner can check storage usage",
+			isStorageOwner:     true,
+			expectSuccess:      true,
+			expectedStatusCode: http.StatusOK,
+		},
+		{
+			name:               "non-storage-owner cannot check storage usage",
+			isStorageOwner:     false,
+			expectSuccess:      false,
+			expectedStatusCode: http.StatusInternalServerError,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			router := createTestRouter()
+			storageOwner := users_testing.CreateTestUser(users_enums.UserRoleMember)
+			workspace := workspaces_testing.CreateTestWorkspace(
+				"Test Workspace",
+				storageOwner,
+				router,
+			)
+			storage := createTestStorage(workspace.ID)
+
+			var testUserToken string
+			if tt.isStorageOwner {
+				testUserToken = storageOwner.Token
+			} else {
+				otherUser := users_testing.CreateTestUser(users_enums.UserRoleMember)
+				testUserToken = otherUser.Token
+			}
+
+			if tt.expectSuccess {
+				var response map[string]bool
+				test_utils.MakeGetRequestAndUnmarshal(
+					t,
+					router,
+					"/api/v1/backup-configs/storage/"+storage.ID.String()+"/is-using",
+					"Bearer "+testUserToken,
+					tt.expectedStatusCode,
+					&response,
+				)
+
+				isUsing, exists := response["isUsing"]
+				assert.True(t, exists)
+				assert.False(t, isUsing)
+			} else {
+				testResp := test_utils.MakeGetRequest(
+					t,
+					router,
+					"/api/v1/backup-configs/storage/"+storage.ID.String()+"/is-using",
+					"Bearer "+testUserToken,
+					tt.expectedStatusCode,
+				)
+				assert.Contains(t, string(testResp.Body), "error")
+			}
+
+			// Cleanup
+			storages.RemoveTestStorage(storage.ID)
+			workspaces_testing.RemoveTestWorkspace(workspace, router)
+		})
+	}
+}
+
+func Test_SaveBackupConfig_WithEncryptionNone_ConfigSaved(t *testing.T) {
+	router := createTestRouter()
+	owner := users_testing.CreateTestUser(users_enums.UserRoleMember)
+	workspace := workspaces_testing.CreateTestWorkspace("Test Workspace", owner, router)
+
+	database := createTestDatabaseViaAPI("Test Database", workspace.ID, owner.Token, router)
+
+	timeOfDay := "04:00"
+	request := BackupConfig{
+		DatabaseID:       database.ID,
+		IsBackupsEnabled: true,
+		StorePeriod:      period.PeriodWeek,
+		BackupInterval: &intervals.Interval{
+			Interval:  intervals.IntervalDaily,
+			TimeOfDay: &timeOfDay,
+		},
+		SendNotificationsOn: []BackupNotificationType{
+			NotificationBackupFailed,
+		},
+		CpuCount:            2,
+		IsRetryIfFailed:     true,
+		MaxFailedTriesCount: 3,
+		Encryption:          BackupEncryptionNone,
+	}
+
+	var response BackupConfig
+	test_utils.MakePostRequestAndUnmarshal(
+		t,
+		router,
+		"/api/v1/backup-configs/save",
+		"Bearer "+owner.Token,
+		request,
+		http.StatusOK,
+		&response,
+	)
+
+	assert.Equal(t, database.ID, response.DatabaseID)
+	assert.Equal(t, BackupEncryptionNone, response.Encryption)
+}
+
+func Test_SaveBackupConfig_WithEncryptionEncrypted_ConfigSaved(t *testing.T) {
+	router := createTestRouter()
+	owner := users_testing.CreateTestUser(users_enums.UserRoleMember)
+	workspace := workspaces_testing.CreateTestWorkspace("Test Workspace", owner, router)
+
+	database := createTestDatabaseViaAPI("Test Database", workspace.ID, owner.Token, router)
+
+	timeOfDay := "04:00"
+	request := BackupConfig{
+		DatabaseID:       database.ID,
+		IsBackupsEnabled: true,
+		StorePeriod:      period.PeriodWeek,
+		BackupInterval: &intervals.Interval{
+			Interval:  intervals.IntervalDaily,
+			TimeOfDay: &timeOfDay,
+		},
+		SendNotificationsOn: []BackupNotificationType{
+			NotificationBackupFailed,
+		},
+		CpuCount:            2,
+		IsRetryIfFailed:     true,
+		MaxFailedTriesCount: 3,
+		Encryption:          BackupEncryptionEncrypted,
+	}
+
+	var response BackupConfig
+	test_utils.MakePostRequestAndUnmarshal(
+		t,
+		router,
+		"/api/v1/backup-configs/save",
+		"Bearer "+owner.Token,
+		request,
+		http.StatusOK,
+		&response,
+	)
+
+	assert.Equal(t, database.ID, response.DatabaseID)
+	assert.Equal(t, BackupEncryptionEncrypted, response.Encryption)
+}
+
+func createTestDatabaseViaAPI(
+	name string,
+	workspaceID uuid.UUID,
+	token string,
+	router *gin.Engine,
+) *databases.Database {
+	testDbName := "test_db"
+	request := databases.Database{
+		WorkspaceID: &workspaceID,
+		Name:        name,
+		Type:        databases.DatabaseTypePostgres,
+		Postgresql: &postgresql.PostgresqlDatabase{
+			Version:  tools.PostgresqlVersion16,
+			Host:     "localhost",
+			Port:     5432,
+			Username: "postgres",
+			Password: "postgres",
+			Database: &testDbName,
+		},
+	}
+
+	w := workspaces_testing.MakeAPIRequest(
+		router,
+		"POST",
+		"/api/v1/databases/create",
+		"Bearer "+token,
+		request,
+	)
+
+	if w.Code != http.StatusCreated {
+		panic("Failed to create database")
+	}
+
+	var database databases.Database
+	if err := json.Unmarshal(w.Body.Bytes(), &database); err != nil {
+		panic(err)
+	}
+	return &database
+}
+
+func createTestStorage(workspaceID uuid.UUID) *storages.Storage {
+	return storages.CreateTestStorage(workspaceID)
+}

backend/internal/features/backups/config/di.go

@@ -3,7 +3,7 @@ package backups_config
 import (
 	"postgresus-backend/internal/features/databases"
 	"postgresus-backend/internal/features/storages"
-	"postgresus-backend/internal/features/users"
+	workspaces_services "postgresus-backend/internal/features/workspaces/services"
 )
 
 var backupConfigRepository = &BackupConfigRepository{}
@@ -11,11 +11,11 @@ var backupConfigService = &BackupConfigService{
 	backupConfigRepository,
 	databases.GetDatabaseService(),
 	storages.GetStorageService(),
+	workspaces_services.GetWorkspaceService(),
 	nil,
 }
 var backupConfigController = &BackupConfigController{
 	backupConfigService,
-	users.GetUserService(),
 }
 
 func GetBackupConfigController() *BackupConfigController {

backend/internal/features/backups/config/enums.go

@@ -6,3 +6,10 @@ const (
 	NotificationBackupFailed  BackupNotificationType = "BACKUP_FAILED"
 	NotificationBackupSuccess BackupNotificationType = "BACKUP_SUCCESS"
 )
+
+type BackupEncryption string
+
+const (
+	BackupEncryptionNone      BackupEncryption = "NONE"
+	BackupEncryptionEncrypted BackupEncryption = "ENCRYPTED"
+)

backend/internal/features/backups/config/model.go

@@ -31,6 +31,8 @@ type BackupConfig struct {
 	MaxFailedTriesCount int  `json:"maxFailedTriesCount" gorm:"column:max_failed_tries_count;type:int;not null"`
 
 	CpuCount int `json:"cpuCount" gorm:"type:int;not null"`
+
+	Encryption BackupEncryption `json:"encryption" gorm:"column:encryption;type:text;not null;default:'NONE'"`
 }
 
 func (h *BackupConfig) TableName() string {
@@ -88,5 +90,26 @@ func (b *BackupConfig) Validate() error {
 		return errors.New("max failed tries count must be greater than 0")
 	}
 
+	if b.Encryption != "" && b.Encryption != BackupEncryptionNone &&
+		b.Encryption != BackupEncryptionEncrypted {
+		return errors.New("encryption must be NONE or ENCRYPTED")
+	}
+
 	return nil
 }
+
+func (b *BackupConfig) Copy(newDatabaseID uuid.UUID) *BackupConfig {
+	return &BackupConfig{
+		DatabaseID:          newDatabaseID,
+		IsBackupsEnabled:    b.IsBackupsEnabled,
+		StorePeriod:         b.StorePeriod,
+		BackupIntervalID:    uuid.Nil,
+		BackupInterval:      b.BackupInterval.Copy(),
+		StorageID:           b.StorageID,
+		SendNotificationsOn: b.SendNotificationsOn,
+		IsRetryIfFailed:     b.IsRetryIfFailed,
+		MaxFailedTriesCount: b.MaxFailedTriesCount,
+		CpuCount:            b.CpuCount,
+		Encryption:          b.Encryption,
+	}
+}

backend/internal/features/backups/config/service.go

@@ -1,10 +1,13 @@
 package backups_config
 
 import (
+	"errors"
+
 	"postgresus-backend/internal/features/databases"
 	"postgresus-backend/internal/features/intervals"
 	"postgresus-backend/internal/features/storages"
 	users_models "postgresus-backend/internal/features/users/models"
+	workspaces_services "postgresus-backend/internal/features/workspaces/services"
 	"postgresus-backend/internal/util/period"
 
 	"github.com/google/uuid"
@@ -14,6 +17,7 @@ type BackupConfigService struct {
 	backupConfigRepository *BackupConfigRepository
 	databaseService        *databases.DatabaseService
 	storageService         *storages.StorageService
+	workspaceService       *workspaces_services.WorkspaceService
 
 	dbStorageChangeListener BackupConfigStorageChangeListener
 }
@@ -32,11 +36,23 @@ func (s *BackupConfigService) SaveBackupConfigWithAuth(
 		return nil, err
 	}
 
-	_, err := s.databaseService.GetDatabase(user, backupConfig.DatabaseID)
+	database, err := s.databaseService.GetDatabase(user, backupConfig.DatabaseID)
 	if err != nil {
 		return nil, err
 	}
 
+	if database.WorkspaceID == nil {
+		return nil, errors.New("cannot save backup config for database without workspace")
+	}
+
+	canManage, err := s.workspaceService.CanUserManageDBs(*database.WorkspaceID, user)
+	if err != nil {
+		return nil, err
+	}
+	if !canManage {
+		return nil, errors.New("insufficient permissions to modify backup configuration")
+	}
+
 	return s.SaveBackupConfig(backupConfig)
 }
 
@@ -66,19 +82,6 @@ func (s *BackupConfigService) SaveBackupConfig(
 		}
 	}
 
-	if !backupConfig.IsBackupsEnabled && existingConfig.StorageID != nil {
-		if err := s.dbStorageChangeListener.OnBeforeBackupsStorageChange(
-			backupConfig.DatabaseID,
-		); err != nil {
-			return nil, err
-		}
-
-		// we clear storage for disabled backups to allow
-		// storage removal for unused storages
-		backupConfig.Storage = nil
-		backupConfig.StorageID = nil
-	}
-
 	return s.backupConfigRepository.Save(backupConfig)
 }
 
@@ -130,6 +133,24 @@ func (s *BackupConfigService) GetBackupConfigsWithEnabledBackups() ([]*BackupCon
 	return s.backupConfigRepository.GetWithEnabledBackups()
 }
 
+func (s *BackupConfigService) OnDatabaseCopied(originalDatabaseID, newDatabaseID uuid.UUID) {
+	originalConfig, err := s.GetBackupConfigByDbId(originalDatabaseID)
+	if err != nil {
+		return
+	}
+
+	newConfig := originalConfig.Copy(newDatabaseID)
+
+	_, err = s.SaveBackupConfig(newConfig)
+	if err != nil {
+		return
+	}
+}
+
+func (s *BackupConfigService) CreateDisabledBackupConfig(databaseID uuid.UUID) error {
+	return s.initializeDefaultConfig(databaseID)
+}
+
 func (s *BackupConfigService) initializeDefaultConfig(
 	databaseID uuid.UUID,
 ) error {
@@ -150,6 +171,7 @@ func (s *BackupConfigService) initializeDefaultConfig(
 		CpuCount:            1,
 		IsRetryIfFailed:     true,
 		MaxFailedTriesCount: 3,
+		Encryption:          BackupEncryptionNone,
 	})
 
 	return err

backend/internal/features/databases/controller.go

@@ -2,15 +2,18 @@ package databases
 
 import (
 	"net/http"
-	"postgresus-backend/internal/features/users"
+	users_middleware "postgresus-backend/internal/features/users/middleware"
+	users_services "postgresus-backend/internal/features/users/services"
+	workspaces_services "postgresus-backend/internal/features/workspaces/services"
 
 	"github.com/gin-gonic/gin"
 	"github.com/google/uuid"
 )
 
 type DatabaseController struct {
-	databaseService *DatabaseService
-	userService     *users.UserService
+	databaseService  *DatabaseService
+	userService      *users_services.UserService
+	workspaceService *workspaces_services.WorkspaceService
 }
 
 func (c *DatabaseController) RegisterRoutes(router *gin.RouterGroup) {
@@ -21,42 +24,42 @@ func (c *DatabaseController) RegisterRoutes(router *gin.RouterGroup) {
 	router.GET("/databases", c.GetDatabases)
 	router.POST("/databases/:id/test-connection", c.TestDatabaseConnection)
 	router.POST("/databases/test-connection-direct", c.TestDatabaseConnectionDirect)
+	router.POST("/databases/:id/copy", c.CopyDatabase)
 	router.GET("/databases/notifier/:id/is-using", c.IsNotifierUsing)
 
 }
 
 // CreateDatabase
 // @Summary Create a new database
-// @Description Create a new database configuration
+// @Description Create a new database configuration in a workspace
 // @Tags databases
 // @Accept json
 // @Produce json
-// @Param request body Database true "Database creation data"
+// @Param request body Database true "Database creation data with workspaceId"
 // @Success 201 {object} Database
 // @Failure 400
 // @Failure 401
 // @Failure 500
 // @Router /databases/create [post]
 func (c *DatabaseController) CreateDatabase(ctx *gin.Context) {
+	user, ok := users_middleware.GetUserFromContext(ctx)
+	if !ok {
+		ctx.JSON(http.StatusUnauthorized, gin.H{"error": "User not authenticated"})
+		return
+	}
+
 	var request Database
 	if err := ctx.ShouldBindJSON(&request); err != nil {
 		ctx.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
 		return
 	}
 
-	authorizationHeader := ctx.GetHeader("Authorization")
-	if authorizationHeader == "" {
-		ctx.JSON(http.StatusUnauthorized, gin.H{"error": "authorization header is required"})
+	if request.WorkspaceID == nil {
+		ctx.JSON(http.StatusBadRequest, gin.H{"error": "workspaceId is required"})
 		return
 	}
 
-	user, err := c.userService.GetUserFromToken(authorizationHeader)
-	if err != nil {
-		ctx.JSON(http.StatusUnauthorized, gin.H{"error": "invalid token"})
-		return
-	}
-
-	database, err := c.databaseService.CreateDatabase(user, &request)
+	database, err := c.databaseService.CreateDatabase(user, *request.WorkspaceID, &request)
 	if err != nil {
 		ctx.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
 		return
@@ -78,24 +81,18 @@ func (c *DatabaseController) CreateDatabase(ctx *gin.Context) {
 // @Failure 500
 // @Router /databases/update [post]
 func (c *DatabaseController) UpdateDatabase(ctx *gin.Context) {
+	user, ok := users_middleware.GetUserFromContext(ctx)
+	if !ok {
+		ctx.JSON(http.StatusUnauthorized, gin.H{"error": "User not authenticated"})
+		return
+	}
+
 	var request Database
 	if err := ctx.ShouldBindJSON(&request); err != nil {
 		ctx.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
 		return
 	}
 
-	authorizationHeader := ctx.GetHeader("Authorization")
-	if authorizationHeader == "" {
-		ctx.JSON(http.StatusUnauthorized, gin.H{"error": "authorization header is required"})
-		return
-	}
-
-	user, err := c.userService.GetUserFromToken(authorizationHeader)
-	if err != nil {
-		ctx.JSON(http.StatusUnauthorized, gin.H{"error": "invalid token"})
-		return
-	}
-
 	if err := c.databaseService.UpdateDatabase(user, &request); err != nil {
 		ctx.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
 		return
@@ -115,24 +112,18 @@ func (c *DatabaseController) UpdateDatabase(ctx *gin.Context) {
 // @Failure 500
 // @Router /databases/{id} [delete]
 func (c *DatabaseController) DeleteDatabase(ctx *gin.Context) {
+	user, ok := users_middleware.GetUserFromContext(ctx)
+	if !ok {
+		ctx.JSON(http.StatusUnauthorized, gin.H{"error": "User not authenticated"})
+		return
+	}
+
 	id, err := uuid.Parse(ctx.Param("id"))
 	if err != nil {
 		ctx.JSON(http.StatusBadRequest, gin.H{"error": "invalid database ID"})
 		return
 	}
 
-	authorizationHeader := ctx.GetHeader("Authorization")
-	if authorizationHeader == "" {
-		ctx.JSON(http.StatusUnauthorized, gin.H{"error": "authorization header is required"})
-		return
-	}
-
-	user, err := c.userService.GetUserFromToken(authorizationHeader)
-	if err != nil {
-		ctx.JSON(http.StatusUnauthorized, gin.H{"error": "invalid token"})
-		return
-	}
-
 	if err := c.databaseService.DeleteDatabase(user, id); err != nil {
 		ctx.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
 		return
@@ -152,24 +143,18 @@ func (c *DatabaseController) DeleteDatabase(ctx *gin.Context) {
 // @Failure 401
 // @Router /databases/{id} [get]
 func (c *DatabaseController) GetDatabase(ctx *gin.Context) {
+	user, ok := users_middleware.GetUserFromContext(ctx)
+	if !ok {
+		ctx.JSON(http.StatusUnauthorized, gin.H{"error": "User not authenticated"})
+		return
+	}
+
 	id, err := uuid.Parse(ctx.Param("id"))
 	if err != nil {
 		ctx.JSON(http.StatusBadRequest, gin.H{"error": "invalid database ID"})
 		return
 	}
 
-	authorizationHeader := ctx.GetHeader("Authorization")
-	if authorizationHeader == "" {
-		ctx.JSON(http.StatusUnauthorized, gin.H{"error": "authorization header is required"})
-		return
-	}
-
-	user, err := c.userService.GetUserFromToken(authorizationHeader)
-	if err != nil {
-		ctx.JSON(http.StatusUnauthorized, gin.H{"error": "invalid token"})
-		return
-	}
-
 	database, err := c.databaseService.GetDatabase(user, id)
 	if err != nil {
 		ctx.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
@@ -180,30 +165,38 @@ func (c *DatabaseController) GetDatabase(ctx *gin.Context) {
 }
 
 // GetDatabases
-// @Summary Get databases
-// @Description Get all databases for the authenticated user
+// @Summary Get databases by workspace
+// @Description Get all databases for a specific workspace
 // @Tags databases
 // @Produce json
+// @Param workspace_id query string true "Workspace ID"
 // @Success 200 {array} Database
+// @Failure 400
 // @Failure 401
 // @Failure 500
 // @Router /databases [get]
 func (c *DatabaseController) GetDatabases(ctx *gin.Context) {
-	authorizationHeader := ctx.GetHeader("Authorization")
-	if authorizationHeader == "" {
-		ctx.JSON(http.StatusUnauthorized, gin.H{"error": "authorization header is required"})
+	user, ok := users_middleware.GetUserFromContext(ctx)
+	if !ok {
+		ctx.JSON(http.StatusUnauthorized, gin.H{"error": "User not authenticated"})
 		return
 	}
 
-	user, err := c.userService.GetUserFromToken(authorizationHeader)
-	if err != nil {
-		ctx.JSON(http.StatusUnauthorized, gin.H{"error": "invalid token"})
+	workspaceIDStr := ctx.Query("workspace_id")
+	if workspaceIDStr == "" {
+		ctx.JSON(http.StatusBadRequest, gin.H{"error": "workspace_id query parameter is required"})
 		return
 	}
 
-	databases, err := c.databaseService.GetDatabasesByUser(user)
+	workspaceID, err := uuid.Parse(workspaceIDStr)
 	if err != nil {
-		ctx.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+		ctx.JSON(http.StatusBadRequest, gin.H{"error": "invalid workspace_id"})
+		return
+	}
+
+	databases, err := c.databaseService.GetDatabasesByWorkspace(user, workspaceID)
+	if err != nil {
+		ctx.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
 		return
 	}
 
@@ -221,24 +214,18 @@ func (c *DatabaseController) GetDatabases(ctx *gin.Context) {
 // @Failure 500
 // @Router /databases/{id}/test-connection [post]
 func (c *DatabaseController) TestDatabaseConnection(ctx *gin.Context) {
+	user, ok := users_middleware.GetUserFromContext(ctx)
+	if !ok {
+		ctx.JSON(http.StatusUnauthorized, gin.H{"error": "User not authenticated"})
+		return
+	}
+
 	id, err := uuid.Parse(ctx.Param("id"))
 	if err != nil {
 		ctx.JSON(http.StatusBadRequest, gin.H{"error": "invalid database ID"})
 		return
 	}
 
-	authorizationHeader := ctx.GetHeader("Authorization")
-	if authorizationHeader == "" {
-		ctx.JSON(http.StatusUnauthorized, gin.H{"error": "authorization header is required"})
-		return
-	}
-
-	user, err := c.userService.GetUserFromToken(authorizationHeader)
-	if err != nil {
-		ctx.JSON(http.StatusUnauthorized, gin.H{"error": "invalid token"})
-		return
-	}
-
 	if err := c.databaseService.TestDatabaseConnection(user, id); err != nil {
 		ctx.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
 		return
@@ -258,27 +245,18 @@ func (c *DatabaseController) TestDatabaseConnection(ctx *gin.Context) {
 // @Failure 401
 // @Router /databases/test-connection-direct [post]
 func (c *DatabaseController) TestDatabaseConnectionDirect(ctx *gin.Context) {
+	_, ok := users_middleware.GetUserFromContext(ctx)
+	if !ok {
+		ctx.JSON(http.StatusUnauthorized, gin.H{"error": "User not authenticated"})
+		return
+	}
+
 	var request Database
 	if err := ctx.ShouldBindJSON(&request); err != nil {
 		ctx.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
 		return
 	}
 
-	authorizationHeader := ctx.GetHeader("Authorization")
-	if authorizationHeader == "" {
-		ctx.JSON(http.StatusUnauthorized, gin.H{"error": "authorization header is required"})
-		return
-	}
-
-	user, err := c.userService.GetUserFromToken(authorizationHeader)
-	if err != nil {
-		ctx.JSON(http.StatusUnauthorized, gin.H{"error": "invalid token"})
-		return
-	}
-
-	// Set user ID for validation purposes
-	request.UserID = user.ID
-
 	if err := c.databaseService.TestDatabaseConnectionDirect(&request); err != nil {
 		ctx.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
 		return
@@ -299,24 +277,18 @@ func (c *DatabaseController) TestDatabaseConnectionDirect(ctx *gin.Context) {
 // @Failure 500
 // @Router /databases/notifier/{id}/is-using [get]
 func (c *DatabaseController) IsNotifierUsing(ctx *gin.Context) {
+	user, ok := users_middleware.GetUserFromContext(ctx)
+	if !ok {
+		ctx.JSON(http.StatusUnauthorized, gin.H{"error": "User not authenticated"})
+		return
+	}
+
 	id, err := uuid.Parse(ctx.Param("id"))
 	if err != nil {
 		ctx.JSON(http.StatusBadRequest, gin.H{"error": "invalid notifier ID"})
 		return
 	}
 
-	authorizationHeader := ctx.GetHeader("Authorization")
-	if authorizationHeader == "" {
-		ctx.JSON(http.StatusUnauthorized, gin.H{"error": "authorization header is required"})
-		return
-	}
-
-	user, err := c.userService.GetUserFromToken(authorizationHeader)
-	if err != nil {
-		ctx.JSON(http.StatusUnauthorized, gin.H{"error": "invalid token"})
-		return
-	}
-
 	isUsing, err := c.databaseService.IsNotifierUsing(user, id)
 	if err != nil {
 		ctx.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
@@ -325,3 +297,36 @@ func (c *DatabaseController) IsNotifierUsing(ctx *gin.Context) {
 
 	ctx.JSON(http.StatusOK, gin.H{"isUsing": isUsing})
 }
+
+// CopyDatabase
+// @Summary Copy a database
+// @Description Copy an existing database configuration
+// @Tags databases
+// @Produce json
+// @Param id path string true "Database ID"
+// @Success 201 {object} Database
+// @Failure 400
+// @Failure 401
+// @Failure 500
+// @Router /databases/{id}/copy [post]
+func (c *DatabaseController) CopyDatabase(ctx *gin.Context) {
+	user, ok := users_middleware.GetUserFromContext(ctx)
+	if !ok {
+		ctx.JSON(http.StatusUnauthorized, gin.H{"error": "User not authenticated"})
+		return
+	}
+
+	id, err := uuid.Parse(ctx.Param("id"))
+	if err != nil {
+		ctx.JSON(http.StatusBadRequest, gin.H{"error": "invalid database ID"})
+		return
+	}
+
+	copiedDatabase, err := c.databaseService.CopyDatabase(user, id)
+	if err != nil {
+		ctx.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+		return
+	}
+
+	ctx.JSON(http.StatusCreated, copiedDatabase)
+}

backend/internal/features/databases/controller_test.go

@@ -0,0 +1,928 @@
+package databases
+
+import (
+	"encoding/json"
+	"fmt"
+	"net/http"
+	"strings"
+	"testing"
+
+	"github.com/gin-gonic/gin"
+	"github.com/google/uuid"
+	"github.com/stretchr/testify/assert"
+
+	"postgresus-backend/internal/features/databases/databases/postgresql"
+	users_enums "postgresus-backend/internal/features/users/enums"
+	users_testing "postgresus-backend/internal/features/users/testing"
+	workspaces_controllers "postgresus-backend/internal/features/workspaces/controllers"
+	workspaces_testing "postgresus-backend/internal/features/workspaces/testing"
+	test_utils "postgresus-backend/internal/util/testing"
+	"postgresus-backend/internal/util/tools"
+)
+
+func createTestRouter() *gin.Engine {
+	router := workspaces_testing.CreateTestRouter(
+		workspaces_controllers.GetWorkspaceController(),
+		workspaces_controllers.GetMembershipController(),
+		GetDatabaseController(),
+	)
+	return router
+}
+
+func Test_CreateDatabase_PermissionsEnforced(t *testing.T) {
+	tests := []struct {
+		name               string
+		workspaceRole      *users_enums.WorkspaceRole
+		isGlobalAdmin      bool
+		expectSuccess      bool
+		expectedStatusCode int
+	}{
+		{
+			name:               "workspace owner can create database",
+			workspaceRole:      func() *users_enums.WorkspaceRole { r := users_enums.WorkspaceRoleOwner; return &r }(),
+			isGlobalAdmin:      false,
+			expectSuccess:      true,
+			expectedStatusCode: http.StatusCreated,
+		},
+		{
+			name:               "workspace member can create database",
+			workspaceRole:      func() *users_enums.WorkspaceRole { r := users_enums.WorkspaceRoleMember; return &r }(),
+			isGlobalAdmin:      false,
+			expectSuccess:      true,
+			expectedStatusCode: http.StatusCreated,
+		},
+		{
+			name:               "workspace viewer cannot create database",
+			workspaceRole:      func() *users_enums.WorkspaceRole { r := users_enums.WorkspaceRoleViewer; return &r }(),
+			isGlobalAdmin:      false,
+			expectSuccess:      false,
+			expectedStatusCode: http.StatusBadRequest,
+		},
+		{
+			name:               "global admin can create database",
+			workspaceRole:      nil,
+			isGlobalAdmin:      true,
+			expectSuccess:      true,
+			expectedStatusCode: http.StatusCreated,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			router := createTestRouter()
+			owner := users_testing.CreateTestUser(users_enums.UserRoleMember)
+			workspace := workspaces_testing.CreateTestWorkspace("Test Workspace", owner, router)
+
+			var testUserToken string
+			if tt.isGlobalAdmin {
+				admin := users_testing.CreateTestUser(users_enums.UserRoleAdmin)
+				testUserToken = admin.Token
+			} else if tt.workspaceRole != nil && *tt.workspaceRole == users_enums.WorkspaceRoleOwner {
+				testUserToken = owner.Token
+			} else if tt.workspaceRole != nil {
+				member := users_testing.CreateTestUser(users_enums.UserRoleMember)
+				workspaces_testing.AddMemberToWorkspace(workspace, member, *tt.workspaceRole, owner.Token, router)
+				testUserToken = member.Token
+			}
+
+			testDbName := "test_db"
+			request := Database{
+				Name:        "Test Database",
+				WorkspaceID: &workspace.ID,
+				Type:        DatabaseTypePostgres,
+				Postgresql: &postgresql.PostgresqlDatabase{
+					Version:  tools.PostgresqlVersion16,
+					Host:     "localhost",
+					Port:     5432,
+					Username: "postgres",
+					Password: "postgres",
+					Database: &testDbName,
+				},
+			}
+
+			var response Database
+			testResp := test_utils.MakePostRequestAndUnmarshal(
+				t,
+				router,
+				"/api/v1/databases/create",
+				"Bearer "+testUserToken,
+				request,
+				tt.expectedStatusCode,
+				&response,
+			)
+
+			if tt.expectSuccess {
+				assert.Equal(t, "Test Database", response.Name)
+				assert.NotEqual(t, uuid.Nil, response.ID)
+			} else {
+				assert.Contains(t, string(testResp.Body), "insufficient permissions")
+			}
+		})
+	}
+}
+
+func Test_CreateDatabase_WhenUserIsNotWorkspaceMember_ReturnsForbidden(t *testing.T) {
+	router := createTestRouter()
+	owner := users_testing.CreateTestUser(users_enums.UserRoleMember)
+	workspace := workspaces_testing.CreateTestWorkspace("Test Workspace", owner, router)
+
+	nonMember := users_testing.CreateTestUser(users_enums.UserRoleMember)
+
+	testDbName := "test_db"
+	request := Database{
+		Name:        "Test Database",
+		WorkspaceID: &workspace.ID,
+		Type:        DatabaseTypePostgres,
+		Postgresql: &postgresql.PostgresqlDatabase{
+			Version:  tools.PostgresqlVersion16,
+			Host:     "localhost",
+			Port:     5432,
+			Username: "postgres",
+			Password: "postgres",
+			Database: &testDbName,
+		},
+	}
+
+	testResp := test_utils.MakePostRequest(
+		t,
+		router,
+		"/api/v1/databases/create",
+		"Bearer "+nonMember.Token,
+		request,
+		http.StatusBadRequest,
+	)
+
+	assert.Contains(t, string(testResp.Body), "insufficient permissions")
+}
+
+func Test_UpdateDatabase_PermissionsEnforced(t *testing.T) {
+	tests := []struct {
+		name               string
+		workspaceRole      *users_enums.WorkspaceRole
+		isGlobalAdmin      bool
+		expectSuccess      bool
+		expectedStatusCode int
+	}{
+		{
+			name:               "workspace owner can update database",
+			workspaceRole:      func() *users_enums.WorkspaceRole { r := users_enums.WorkspaceRoleOwner; return &r }(),
+			isGlobalAdmin:      false,
+			expectSuccess:      true,
+			expectedStatusCode: http.StatusOK,
+		},
+		{
+			name:               "workspace member can update database",
+			workspaceRole:      func() *users_enums.WorkspaceRole { r := users_enums.WorkspaceRoleMember; return &r }(),
+			isGlobalAdmin:      false,
+			expectSuccess:      true,
+			expectedStatusCode: http.StatusOK,
+		},
+		{
+			name:               "workspace viewer cannot update database",
+			workspaceRole:      func() *users_enums.WorkspaceRole { r := users_enums.WorkspaceRoleViewer; return &r }(),
+			isGlobalAdmin:      false,
+			expectSuccess:      false,
+			expectedStatusCode: http.StatusBadRequest,
+		},
+		{
+			name:               "global admin can update database",
+			workspaceRole:      nil,
+			isGlobalAdmin:      true,
+			expectSuccess:      true,
+			expectedStatusCode: http.StatusOK,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			router := createTestRouter()
+			owner := users_testing.CreateTestUser(users_enums.UserRoleMember)
+			workspace := workspaces_testing.CreateTestWorkspace("Test Workspace", owner, router)
+
+			database := createTestDatabaseViaAPI("Test Database", workspace.ID, owner.Token, router)
+
+			var testUserToken string
+			if tt.isGlobalAdmin {
+				admin := users_testing.CreateTestUser(users_enums.UserRoleAdmin)
+				testUserToken = admin.Token
+			} else if tt.workspaceRole != nil && *tt.workspaceRole == users_enums.WorkspaceRoleOwner {
+				testUserToken = owner.Token
+			} else if tt.workspaceRole != nil {
+				member := users_testing.CreateTestUser(users_enums.UserRoleMember)
+				workspaces_testing.AddMemberToWorkspace(workspace, member, *tt.workspaceRole, owner.Token, router)
+				testUserToken = member.Token
+			}
+
+			database.Name = "Updated Database"
+
+			var response Database
+			testResp := test_utils.MakePostRequestAndUnmarshal(
+				t,
+				router,
+				"/api/v1/databases/update",
+				"Bearer "+testUserToken,
+				database,
+				tt.expectedStatusCode,
+				&response,
+			)
+
+			if tt.expectSuccess {
+				assert.Equal(t, "Updated Database", response.Name)
+			} else {
+				assert.Contains(t, string(testResp.Body), "insufficient permissions")
+			}
+		})
+	}
+}
+
+func Test_UpdateDatabase_WhenUserIsNotWorkspaceMember_ReturnsForbidden(t *testing.T) {
+	router := createTestRouter()
+	owner := users_testing.CreateTestUser(users_enums.UserRoleMember)
+	workspace := workspaces_testing.CreateTestWorkspace("Test Workspace", owner, router)
+
+	database := createTestDatabaseViaAPI("Test Database", workspace.ID, owner.Token, router)
+
+	nonMember := users_testing.CreateTestUser(users_enums.UserRoleMember)
+	database.Name = "Hacked Name"
+
+	testResp := test_utils.MakePostRequest(
+		t,
+		router,
+		"/api/v1/databases/update",
+		"Bearer "+nonMember.Token,
+		database,
+		http.StatusBadRequest,
+	)
+
+	assert.Contains(t, string(testResp.Body), "insufficient permissions")
+}
+
+func Test_DeleteDatabase_PermissionsEnforced(t *testing.T) {
+	tests := []struct {
+		name               string
+		workspaceRole      *users_enums.WorkspaceRole
+		isGlobalAdmin      bool
+		expectSuccess      bool
+		expectedStatusCode int
+	}{
+		{
+			name:               "workspace owner can delete database",
+			workspaceRole:      func() *users_enums.WorkspaceRole { r := users_enums.WorkspaceRoleOwner; return &r }(),
+			isGlobalAdmin:      false,
+			expectSuccess:      true,
+			expectedStatusCode: http.StatusNoContent,
+		},
+		{
+			name:               "workspace member can delete database",
+			workspaceRole:      func() *users_enums.WorkspaceRole { r := users_enums.WorkspaceRoleMember; return &r }(),
+			isGlobalAdmin:      false,
+			expectSuccess:      true,
+			expectedStatusCode: http.StatusNoContent,
+		},
+		{
+			name:               "workspace viewer cannot delete database",
+			workspaceRole:      func() *users_enums.WorkspaceRole { r := users_enums.WorkspaceRoleViewer; return &r }(),
+			isGlobalAdmin:      false,
+			expectSuccess:      false,
+			expectedStatusCode: http.StatusInternalServerError,
+		},
+		{
+			name:               "global admin can delete database",
+			workspaceRole:      nil,
+			isGlobalAdmin:      true,
+			expectSuccess:      true,
+			expectedStatusCode: http.StatusNoContent,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			router := createTestRouter()
+			owner := users_testing.CreateTestUser(users_enums.UserRoleMember)
+			workspace := workspaces_testing.CreateTestWorkspace("Test Workspace", owner, router)
+
+			database := createTestDatabaseViaAPI("Test Database", workspace.ID, owner.Token, router)
+
+			var testUserToken string
+			if tt.isGlobalAdmin {
+				admin := users_testing.CreateTestUser(users_enums.UserRoleAdmin)
+				testUserToken = admin.Token
+			} else if tt.workspaceRole != nil && *tt.workspaceRole == users_enums.WorkspaceRoleOwner {
+				testUserToken = owner.Token
+			} else if tt.workspaceRole != nil {
+				member := users_testing.CreateTestUser(users_enums.UserRoleMember)
+				workspaces_testing.AddMemberToWorkspace(workspace, member, *tt.workspaceRole, owner.Token, router)
+				testUserToken = member.Token
+			}
+
+			testResp := test_utils.MakeDeleteRequest(
+				t,
+				router,
+				"/api/v1/databases/"+database.ID.String(),
+				"Bearer "+testUserToken,
+				tt.expectedStatusCode,
+			)
+
+			if !tt.expectSuccess {
+				assert.Contains(t, string(testResp.Body), "insufficient permissions")
+			}
+		})
+	}
+}
+
+func Test_GetDatabase_PermissionsEnforced(t *testing.T) {
+	memberRole := users_enums.WorkspaceRoleViewer
+	tests := []struct {
+		name               string
+		userRole           *users_enums.WorkspaceRole
+		isGlobalAdmin      bool
+		expectSuccess      bool
+		expectedStatusCode int
+	}{
+		{
+			name:               "workspace member can get database",
+			userRole:           &memberRole,
+			isGlobalAdmin:      false,
+			expectSuccess:      true,
+			expectedStatusCode: http.StatusOK,
+		},
+		{
+			name:               "non-member cannot get database",
+			userRole:           nil,
+			isGlobalAdmin:      false,
+			expectSuccess:      false,
+			expectedStatusCode: http.StatusBadRequest,
+		},
+		{
+			name:               "global admin can get database",
+			userRole:           nil,
+			isGlobalAdmin:      true,
+			expectSuccess:      true,
+			expectedStatusCode: http.StatusOK,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			router := createTestRouter()
+			owner := users_testing.CreateTestUser(users_enums.UserRoleMember)
+			workspace := workspaces_testing.CreateTestWorkspace("Test Workspace", owner, router)
+
+			database := createTestDatabaseViaAPI("Test Database", workspace.ID, owner.Token, router)
+
+			var testUser string
+			if tt.isGlobalAdmin {
+				admin := users_testing.CreateTestUser(users_enums.UserRoleAdmin)
+				testUser = admin.Token
+			} else if tt.userRole != nil {
+				member := users_testing.CreateTestUser(users_enums.UserRoleMember)
+				workspaces_testing.AddMemberToWorkspace(workspace, member, *tt.userRole, owner.Token, router)
+				testUser = member.Token
+			} else {
+				nonMember := users_testing.CreateTestUser(users_enums.UserRoleMember)
+				testUser = nonMember.Token
+			}
+
+			var response Database
+			testResp := test_utils.MakeGetRequestAndUnmarshal(
+				t,
+				router,
+				"/api/v1/databases/"+database.ID.String(),
+				"Bearer "+testUser,
+				tt.expectedStatusCode,
+				&response,
+			)
+
+			if tt.expectSuccess {
+				assert.Equal(t, database.ID, response.ID)
+				assert.Equal(t, "Test Database", response.Name)
+			} else {
+				assert.Contains(t, string(testResp.Body), "insufficient permissions")
+			}
+		})
+	}
+}
+
+func Test_GetDatabasesByWorkspace_PermissionsEnforced(t *testing.T) {
+	tests := []struct {
+		name               string
+		isMember           bool
+		isGlobalAdmin      bool
+		expectSuccess      bool
+		expectedStatusCode int
+	}{
+		{
+			name:               "workspace member can list databases",
+			isMember:           true,
+			isGlobalAdmin:      false,
+			expectSuccess:      true,
+			expectedStatusCode: http.StatusOK,
+		},
+		{
+			name:               "non-member cannot list databases",
+			isMember:           false,
+			isGlobalAdmin:      false,
+			expectSuccess:      false,
+			expectedStatusCode: http.StatusBadRequest,
+		},
+		{
+			name:               "global admin can list databases",
+			isMember:           false,
+			isGlobalAdmin:      true,
+			expectSuccess:      true,
+			expectedStatusCode: http.StatusOK,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			router := createTestRouter()
+			owner := users_testing.CreateTestUser(users_enums.UserRoleMember)
+			workspace := workspaces_testing.CreateTestWorkspace("Test Workspace", owner, router)
+
+			createTestDatabaseViaAPI("Database 1", workspace.ID, owner.Token, router)
+			createTestDatabaseViaAPI("Database 2", workspace.ID, owner.Token, router)
+
+			var testUser string
+			if tt.isGlobalAdmin {
+				admin := users_testing.CreateTestUser(users_enums.UserRoleAdmin)
+				testUser = admin.Token
+			} else if tt.isMember {
+				testUser = owner.Token
+			} else {
+				nonMember := users_testing.CreateTestUser(users_enums.UserRoleMember)
+				testUser = nonMember.Token
+			}
+
+			if tt.expectSuccess {
+				var response []Database
+				test_utils.MakeGetRequestAndUnmarshal(
+					t,
+					router,
+					"/api/v1/databases?workspace_id="+workspace.ID.String(),
+					"Bearer "+testUser,
+					tt.expectedStatusCode,
+					&response,
+				)
+				assert.GreaterOrEqual(t, len(response), 2)
+			} else {
+				testResp := test_utils.MakeGetRequest(
+					t,
+					router,
+					"/api/v1/databases?workspace_id="+workspace.ID.String(),
+					"Bearer "+testUser,
+					tt.expectedStatusCode,
+				)
+				assert.Contains(t, string(testResp.Body), "insufficient permissions")
+			}
+		})
+	}
+}
+
+func Test_GetDatabasesByWorkspace_WhenMultipleDatabasesExist_ReturnsCorrectCount(t *testing.T) {
+	router := createTestRouter()
+	owner := users_testing.CreateTestUser(users_enums.UserRoleMember)
+	workspace := workspaces_testing.CreateTestWorkspace("Test Workspace", owner, router)
+
+	createTestDatabaseViaAPI("Database 1", workspace.ID, owner.Token, router)
+	createTestDatabaseViaAPI("Database 2", workspace.ID, owner.Token, router)
+	createTestDatabaseViaAPI("Database 3", workspace.ID, owner.Token, router)
+
+	var response []Database
+	test_utils.MakeGetRequestAndUnmarshal(
+		t,
+		router,
+		"/api/v1/databases?workspace_id="+workspace.ID.String(),
+		"Bearer "+owner.Token,
+		http.StatusOK,
+		&response,
+	)
+
+	assert.Equal(t, 3, len(response))
+}
+
+func Test_GetDatabasesByWorkspace_EnsuresCrossWorkspaceIsolation(t *testing.T) {
+	router := createTestRouter()
+	owner1 := users_testing.CreateTestUser(users_enums.UserRoleMember)
+	workspace1 := workspaces_testing.CreateTestWorkspace("Workspace 1", owner1, router)
+
+	owner2 := users_testing.CreateTestUser(users_enums.UserRoleMember)
+	workspace2 := workspaces_testing.CreateTestWorkspace("Workspace 2", owner2, router)
+
+	createTestDatabaseViaAPI("Workspace1 DB1", workspace1.ID, owner1.Token, router)
+	createTestDatabaseViaAPI("Workspace1 DB2", workspace1.ID, owner1.Token, router)
+
+	createTestDatabaseViaAPI("Workspace2 DB1", workspace2.ID, owner2.Token, router)
+
+	var workspace1Dbs []Database
+	test_utils.MakeGetRequestAndUnmarshal(
+		t,
+		router,
+		"/api/v1/databases?workspace_id="+workspace1.ID.String(),
+		"Bearer "+owner1.Token,
+		http.StatusOK,
+		&workspace1Dbs,
+	)
+
+	var workspace2Dbs []Database
+	test_utils.MakeGetRequestAndUnmarshal(
+		t,
+		router,
+		"/api/v1/databases?workspace_id="+workspace2.ID.String(),
+		"Bearer "+owner2.Token,
+		http.StatusOK,
+		&workspace2Dbs,
+	)
+
+	assert.Equal(t, 2, len(workspace1Dbs))
+	assert.Equal(t, 1, len(workspace2Dbs))
+
+	for _, db := range workspace1Dbs {
+		assert.Equal(t, workspace1.ID, *db.WorkspaceID)
+	}
+
+	for _, db := range workspace2Dbs {
+		assert.Equal(t, workspace2.ID, *db.WorkspaceID)
+	}
+}
+
+func Test_CopyDatabase_PermissionsEnforced(t *testing.T) {
+	tests := []struct {
+		name               string
+		workspaceRole      *users_enums.WorkspaceRole
+		isGlobalAdmin      bool
+		expectSuccess      bool
+		expectedStatusCode int
+	}{
+		{
+			name:               "workspace owner can copy database",
+			workspaceRole:      func() *users_enums.WorkspaceRole { r := users_enums.WorkspaceRoleOwner; return &r }(),
+			isGlobalAdmin:      false,
+			expectSuccess:      true,
+			expectedStatusCode: http.StatusCreated,
+		},
+		{
+			name:               "workspace member can copy database",
+			workspaceRole:      func() *users_enums.WorkspaceRole { r := users_enums.WorkspaceRoleMember; return &r }(),
+			isGlobalAdmin:      false,
+			expectSuccess:      true,
+			expectedStatusCode: http.StatusCreated,
+		},
+		{
+			name:               "workspace viewer cannot copy database",
+			workspaceRole:      func() *users_enums.WorkspaceRole { r := users_enums.WorkspaceRoleViewer; return &r }(),
+			isGlobalAdmin:      false,
+			expectSuccess:      false,
+			expectedStatusCode: http.StatusBadRequest,
+		},
+		{
+			name:               "global admin can copy database",
+			workspaceRole:      nil,
+			isGlobalAdmin:      true,
+			expectSuccess:      true,
+			expectedStatusCode: http.StatusCreated,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			router := createTestRouter()
+			owner := users_testing.CreateTestUser(users_enums.UserRoleMember)
+			workspace := workspaces_testing.CreateTestWorkspace("Test Workspace", owner, router)
+
+			database := createTestDatabaseViaAPI("Test Database", workspace.ID, owner.Token, router)
+
+			var testUserToken string
+			if tt.isGlobalAdmin {
+				admin := users_testing.CreateTestUser(users_enums.UserRoleAdmin)
+				testUserToken = admin.Token
+			} else if tt.workspaceRole != nil && *tt.workspaceRole == users_enums.WorkspaceRoleOwner {
+				testUserToken = owner.Token
+			} else if tt.workspaceRole != nil {
+				member := users_testing.CreateTestUser(users_enums.UserRoleMember)
+				workspaces_testing.AddMemberToWorkspace(workspace, member, *tt.workspaceRole, owner.Token, router)
+				testUserToken = member.Token
+			}
+
+			var response Database
+			testResp := test_utils.MakePostRequestAndUnmarshal(
+				t,
+				router,
+				"/api/v1/databases/"+database.ID.String()+"/copy",
+				"Bearer "+testUserToken,
+				nil,
+				tt.expectedStatusCode,
+				&response,
+			)
+
+			if tt.expectSuccess {
+				assert.NotEqual(t, database.ID, response.ID)
+				assert.Contains(t, response.Name, "(Copy)")
+			} else {
+				assert.Contains(t, string(testResp.Body), "insufficient permissions")
+			}
+		})
+	}
+}
+
+func Test_CopyDatabase_CopyStaysInSameWorkspace(t *testing.T) {
+	router := createTestRouter()
+	owner := users_testing.CreateTestUser(users_enums.UserRoleMember)
+	workspace := workspaces_testing.CreateTestWorkspace("Test Workspace", owner, router)
+
+	database := createTestDatabaseViaAPI("Test Database", workspace.ID, owner.Token, router)
+
+	var response Database
+	test_utils.MakePostRequestAndUnmarshal(
+		t,
+		router,
+		"/api/v1/databases/"+database.ID.String()+"/copy",
+		"Bearer "+owner.Token,
+		nil,
+		http.StatusCreated,
+		&response,
+	)
+
+	assert.NotEqual(t, database.ID, response.ID)
+	assert.Equal(t, "Test Database (Copy)", response.Name)
+	assert.Equal(t, workspace.ID, *response.WorkspaceID)
+	assert.Equal(t, database.Type, response.Type)
+}
+
+func Test_TestConnection_PermissionsEnforced(t *testing.T) {
+	tests := []struct {
+		name                    string
+		isMember                bool
+		isGlobalAdmin           bool
+		expectAccessGranted     bool
+		expectedStatusCodeOnErr int
+	}{
+		{
+			name:                    "workspace member can test connection",
+			isMember:                true,
+			isGlobalAdmin:           false,
+			expectAccessGranted:     true,
+			expectedStatusCodeOnErr: http.StatusBadRequest,
+		},
+		{
+			name:                    "non-member cannot test connection",
+			isMember:                false,
+			isGlobalAdmin:           false,
+			expectAccessGranted:     false,
+			expectedStatusCodeOnErr: http.StatusBadRequest,
+		},
+		{
+			name:                    "global admin can test connection",
+			isMember:                false,
+			isGlobalAdmin:           true,
+			expectAccessGranted:     true,
+			expectedStatusCodeOnErr: http.StatusBadRequest,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			router := createTestRouter()
+			owner := users_testing.CreateTestUser(users_enums.UserRoleMember)
+			workspace := workspaces_testing.CreateTestWorkspace("Test Workspace", owner, router)
+
+			database := createTestDatabaseViaAPI("Test Database", workspace.ID, owner.Token, router)
+
+			var testUser string
+			if tt.isGlobalAdmin {
+				admin := users_testing.CreateTestUser(users_enums.UserRoleAdmin)
+				testUser = admin.Token
+			} else if tt.isMember {
+				testUser = owner.Token
+			} else {
+				nonMember := users_testing.CreateTestUser(users_enums.UserRoleMember)
+				testUser = nonMember.Token
+			}
+
+			w := workspaces_testing.MakeAPIRequest(
+				router,
+				"POST",
+				"/api/v1/databases/"+database.ID.String()+"/test-connection",
+				"Bearer "+testUser,
+				nil,
+			)
+
+			body := w.Body.String()
+
+			if tt.expectAccessGranted {
+				assert.True(
+					t,
+					w.Code == http.StatusOK ||
+						(w.Code == http.StatusBadRequest && strings.Contains(body, "connect")),
+					"Expected 200 OK or 400 with connection error, got %d: %s",
+					w.Code,
+					body,
+				)
+			} else {
+				assert.Equal(t, tt.expectedStatusCodeOnErr, w.Code)
+				assert.Contains(t, body, "insufficient permissions")
+			}
+		})
+	}
+}
+
+func createTestDatabaseViaAPI(
+	name string,
+	workspaceID uuid.UUID,
+	token string,
+	router *gin.Engine,
+) *Database {
+	testDbName := "test_db"
+	request := Database{
+		Name:        name,
+		WorkspaceID: &workspaceID,
+		Type:        DatabaseTypePostgres,
+		Postgresql: &postgresql.PostgresqlDatabase{
+			Version:  tools.PostgresqlVersion16,
+			Host:     "localhost",
+			Port:     5432,
+			Username: "postgres",
+			Password: "postgres",
+			Database: &testDbName,
+		},
+	}
+
+	w := workspaces_testing.MakeAPIRequest(
+		router,
+		"POST",
+		"/api/v1/databases/create",
+		"Bearer "+token,
+		request,
+	)
+
+	if w.Code != http.StatusCreated {
+		panic(
+			fmt.Sprintf("Failed to create database. Status: %d, Body: %s", w.Code, w.Body.String()),
+		)
+	}
+
+	var database Database
+	if err := json.Unmarshal(w.Body.Bytes(), &database); err != nil {
+		panic(err)
+	}
+
+	return &database
+}
+
+func Test_DatabaseSensitiveDataLifecycle_AllTypes(t *testing.T) {
+	testCases := []struct {
+		name                string
+		databaseType        DatabaseType
+		createDatabase      func(workspaceID uuid.UUID) *Database
+		updateDatabase      func(workspaceID uuid.UUID, databaseID uuid.UUID) *Database
+		verifySensitiveData func(t *testing.T, database *Database)
+		verifyHiddenData    func(t *testing.T, database *Database)
+	}{
+		{
+			name:         "PostgreSQL Database",
+			databaseType: DatabaseTypePostgres,
+			createDatabase: func(workspaceID uuid.UUID) *Database {
+				testDbName := "test_db"
+				return &Database{
+					WorkspaceID: &workspaceID,
+					Name:        "Test PostgreSQL Database",
+					Type:        DatabaseTypePostgres,
+					Postgresql: &postgresql.PostgresqlDatabase{
+						Version:  tools.PostgresqlVersion16,
+						Host:     "localhost",
+						Port:     5432,
+						Username: "postgres",
+						Password: "original-password-secret",
+						Database: &testDbName,
+					},
+				}
+			},
+			updateDatabase: func(workspaceID uuid.UUID, databaseID uuid.UUID) *Database {
+				testDbName := "updated_test_db"
+				return &Database{
+					ID:          databaseID,
+					WorkspaceID: &workspaceID,
+					Name:        "Updated PostgreSQL Database",
+					Type:        DatabaseTypePostgres,
+					Postgresql: &postgresql.PostgresqlDatabase{
+						Version:  tools.PostgresqlVersion17,
+						Host:     "updated-host",
+						Port:     5433,
+						Username: "updated_user",
+						Password: "",
+						Database: &testDbName,
+					},
+				}
+			},
+			verifySensitiveData: func(t *testing.T, database *Database) {
+				assert.Equal(t, "original-password-secret", database.Postgresql.Password)
+			},
+			verifyHiddenData: func(t *testing.T, database *Database) {
+				assert.Equal(t, "", database.Postgresql.Password)
+			},
+		},
+	}
+
+	for _, tc := range testCases {
+		t.Run(tc.name, func(t *testing.T) {
+			router := createTestRouter()
+			owner := users_testing.CreateTestUser(users_enums.UserRoleMember)
+			workspace := workspaces_testing.CreateTestWorkspace("Test Workspace", owner, router)
+
+			// Phase 1: Create database with sensitive data
+			initialDatabase := tc.createDatabase(workspace.ID)
+			var createdDatabase Database
+			test_utils.MakePostRequestAndUnmarshal(
+				t,
+				router,
+				"/api/v1/databases/create",
+				"Bearer "+owner.Token,
+				*initialDatabase,
+				http.StatusCreated,
+				&createdDatabase,
+			)
+			assert.NotEmpty(t, createdDatabase.ID)
+			assert.Equal(t, initialDatabase.Name, createdDatabase.Name)
+
+			// Phase 2: Read via service - sensitive data should be hidden
+			var retrievedDatabase Database
+			test_utils.MakeGetRequestAndUnmarshal(
+				t,
+				router,
+				fmt.Sprintf("/api/v1/databases/%s", createdDatabase.ID.String()),
+				"Bearer "+owner.Token,
+				http.StatusOK,
+				&retrievedDatabase,
+			)
+			tc.verifyHiddenData(t, &retrievedDatabase)
+			assert.Equal(t, initialDatabase.Name, retrievedDatabase.Name)
+
+			// Phase 3: Update with non-sensitive changes only (sensitive fields empty)
+			updatedDatabase := tc.updateDatabase(workspace.ID, createdDatabase.ID)
+			var updateResponse Database
+			test_utils.MakePostRequestAndUnmarshal(
+				t,
+				router,
+				"/api/v1/databases/update",
+				"Bearer "+owner.Token,
+				*updatedDatabase,
+				http.StatusOK,
+				&updateResponse,
+			)
+
+			// Phase 4: Retrieve directly from repository to verify sensitive data preservation
+			repository := &DatabaseRepository{}
+			databaseFromDB, err := repository.FindByID(createdDatabase.ID)
+			assert.NoError(t, err)
+
+			// Verify original sensitive data is still present in DB
+			tc.verifySensitiveData(t, databaseFromDB)
+
+			// Verify non-sensitive fields were updated in DB
+			assert.Equal(t, updatedDatabase.Name, databaseFromDB.Name)
+
+			// Phase 5: Additional verification - Check via GET that data is still hidden
+			var finalRetrieved Database
+			test_utils.MakeGetRequestAndUnmarshal(
+				t,
+				router,
+				fmt.Sprintf("/api/v1/databases/%s", createdDatabase.ID.String()),
+				"Bearer "+owner.Token,
+				http.StatusOK,
+				&finalRetrieved,
+			)
+			tc.verifyHiddenData(t, &finalRetrieved)
+
+			// Phase 6: Verify GetDatabasesByWorkspace also hides sensitive data
+			var workspaceDatabases []Database
+			test_utils.MakeGetRequestAndUnmarshal(
+				t,
+				router,
+				fmt.Sprintf("/api/v1/databases?workspace_id=%s", workspace.ID.String()),
+				"Bearer "+owner.Token,
+				http.StatusOK,
+				&workspaceDatabases,
+			)
+			var foundDatabase *Database
+			for i := range workspaceDatabases {
+				if workspaceDatabases[i].ID == createdDatabase.ID {
+					foundDatabase = &workspaceDatabases[i]
+					break
+				}
+			}
+			assert.NotNil(t, foundDatabase, "Database should be found in workspace databases list")
+			tc.verifyHiddenData(t, foundDatabase)
+
+			// Clean up: Delete database before removing workspace
+			test_utils.MakeDeleteRequest(
+				t,
+				router,
+				fmt.Sprintf("/api/v1/databases/%s", createdDatabase.ID.String()),
+				"Bearer "+owner.Token,
+				http.StatusNoContent,
+			)
+
+			workspaces_testing.RemoveTestWorkspace(workspace, router)
+		})
+	}
+}

backend/internal/features/databases/databases/postgresql/model.go

@@ -7,6 +7,7 @@ import (
 	"log/slog"
 	"postgresus-backend/internal/util/tools"
 	"regexp"
+	"slices"
 	"time"
 
 	"github.com/google/uuid"
@@ -65,6 +66,27 @@ func (p *PostgresqlDatabase) TestConnection(logger *slog.Logger) error {
 	return testSingleDatabaseConnection(logger, ctx, p)
 }
 
+func (p *PostgresqlDatabase) HideSensitiveData() {
+	if p == nil {
+		return
+	}
+
+	p.Password = ""
+}
+
+func (p *PostgresqlDatabase) Update(incoming *PostgresqlDatabase) {
+	p.Version = incoming.Version
+	p.Host = incoming.Host
+	p.Port = incoming.Port
+	p.Username = incoming.Username
+	p.Database = incoming.Database
+	p.IsHttps = incoming.IsHttps
+
+	if incoming.Password != "" {
+		p.Password = incoming.Password
+	}
+}
+
 // testSingleDatabaseConnection tests connection to a specific database for pg_dump
 func testSingleDatabaseConnection(
 	logger *slog.Logger,
@@ -175,3 +197,101 @@ func buildConnectionStringForDB(p *PostgresqlDatabase, dbName string) string {
 		sslMode,
 	)
 }
+
+func (p *PostgresqlDatabase) InstallExtensions(extensions []tools.PostgresqlExtension) error {
+	if len(extensions) == 0 {
+		return nil
+	}
+
+	if p.Database == nil || *p.Database == "" {
+		return errors.New("database name is required for installing extensions")
+	}
+
+	ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
+	defer cancel()
+
+	// Build connection string for the specific database
+	connStr := buildConnectionStringForDB(p, *p.Database)
+
+	// Connect to database
+	conn, err := pgx.Connect(ctx, connStr)
+	if err != nil {
+		return fmt.Errorf("failed to connect to database '%s': %w", *p.Database, err)
+	}
+	defer func() {
+		if closeErr := conn.Close(ctx); closeErr != nil {
+			fmt.Println("failed to close connection: %w", closeErr)
+		}
+	}()
+
+	// Check which extensions are already installed
+	installedExtensions, err := p.getInstalledExtensions(ctx, conn)
+	if err != nil {
+		return fmt.Errorf("failed to check installed extensions: %w", err)
+	}
+
+	// Install missing extensions
+	for _, extension := range extensions {
+		if contains(installedExtensions, string(extension)) {
+			continue // Extension already installed
+		}
+
+		if err := p.installExtension(ctx, conn, string(extension)); err != nil {
+			return fmt.Errorf("failed to install extension '%s': %w", extension, err)
+		}
+	}
+
+	return nil
+}
+
+// getInstalledExtensions queries the database for currently installed extensions
+func (p *PostgresqlDatabase) getInstalledExtensions(
+	ctx context.Context,
+	conn *pgx.Conn,
+) ([]string, error) {
+	query := "SELECT extname FROM pg_extension"
+
+	rows, err := conn.Query(ctx, query)
+	if err != nil {
+		return nil, fmt.Errorf("failed to query installed extensions: %w", err)
+	}
+	defer rows.Close()
+
+	var extensions []string
+	for rows.Next() {
+		var extname string
+
+		if err := rows.Scan(&extname); err != nil {
+			return nil, fmt.Errorf("failed to scan extension name: %w", err)
+		}
+
+		extensions = append(extensions, extname)
+	}
+
+	if err := rows.Err(); err != nil {
+		return nil, fmt.Errorf("error iterating over extension rows: %w", err)
+	}
+
+	return extensions, nil
+}
+
+// installExtension installs a single PostgreSQL extension
+func (p *PostgresqlDatabase) installExtension(
+	ctx context.Context,
+	conn *pgx.Conn,
+	extensionName string,
+) error {
+	query := fmt.Sprintf("CREATE EXTENSION IF NOT EXISTS %s", extensionName)
+
+	_, err := conn.Exec(ctx, query)
+	if err != nil {
+		return fmt.Errorf("failed to execute CREATE EXTENSION: %w", err)
+	}
+
+	return nil
+}
+
+// contains checks if a string slice contains a specific string
+func contains(slice []string, item string) bool {
+	return slices.Contains(slice, item)
+}

backend/internal/features/databases/di.go

@@ -1,8 +1,10 @@
 package databases
 
 import (
+	audit_logs "postgresus-backend/internal/features/audit_logs"
 	"postgresus-backend/internal/features/notifiers"
-	"postgresus-backend/internal/features/users"
+	users_services "postgresus-backend/internal/features/users/services"
+	workspaces_services "postgresus-backend/internal/features/workspaces/services"
 	"postgresus-backend/internal/util/logger"
 )
 
@@ -14,11 +16,15 @@ var databaseService = &DatabaseService{
 	logger.GetLogger(),
 	[]DatabaseCreationListener{},
 	[]DatabaseRemoveListener{},
+	[]DatabaseCopyListener{},
+	workspaces_services.GetWorkspaceService(),
+	audit_logs.GetAuditLogService(),
 }
 
 var databaseController = &DatabaseController{
 	databaseService,
-	users.GetUserService(),
+	users_services.GetUserService(),
+	workspaces_services.GetWorkspaceService(),
 }
 
 func GetDatabaseService() *DatabaseService {
@@ -28,3 +34,7 @@ func GetDatabaseService() *DatabaseService {
 func GetDatabaseController() *DatabaseController {
 	return databaseController
 }
+
+func SetupDependencies() {
+	workspaces_services.GetWorkspaceService().AddWorkspaceDeletionListener(databaseService)
+}

backend/internal/features/databases/interfaces.go

@@ -12,6 +12,8 @@ type DatabaseValidator interface {
 
 type DatabaseConnector interface {
 	TestConnection(logger *slog.Logger) error
+
+	HideSensitiveData()
 }
 
 type DatabaseCreationListener interface {
@@ -21,3 +23,7 @@ type DatabaseCreationListener interface {
 type DatabaseRemoveListener interface {
 	OnBeforeDatabaseRemove(databaseID uuid.UUID) error
 }
+
+type DatabaseCopyListener interface {
+	OnDatabaseCopied(originalDatabaseID, newDatabaseID uuid.UUID)
+}

backend/internal/features/databases/model.go

@@ -11,10 +11,13 @@ import (
 )
 
 type Database struct {
-	ID     uuid.UUID    `json:"id"     gorm:"column:id;primaryKey;type:uuid;default:gen_random_uuid()"`
-	UserID uuid.UUID    `json:"userId" gorm:"column:user_id;type:uuid;not null"`
-	Name   string       `json:"name"   gorm:"column:name;type:text;not null"`
-	Type   DatabaseType `json:"type"   gorm:"column:type;type:text;not null"`
+	ID uuid.UUID `json:"id" gorm:"column:id;primaryKey;type:uuid;default:gen_random_uuid()"`
+
+	// WorkspaceID can be null when a database is created via restore operation
+	// outside the context of any workspace
+	WorkspaceID *uuid.UUID   `json:"workspaceId" gorm:"column:workspace_id;type:uuid"`
+	Name        string       `json:"name"        gorm:"column:name;type:text;not null"`
+	Type        DatabaseType `json:"type"        gorm:"column:type;type:text;not null"`
 
 	Postgresql *postgresql.PostgresqlDatabase `json:"postgresql,omitempty" gorm:"foreignKey:DatabaseID"`
 
@@ -35,6 +38,10 @@ func (d *Database) Validate() error {
 
 	switch d.Type {
 	case DatabaseTypePostgres:
+		if d.Postgresql == nil {
+			return errors.New("postgresql database is required")
+		}
+
 		return d.Postgresql.Validate()
 	default:
 		return errors.New("invalid database type: " + string(d.Type))
@@ -53,6 +60,23 @@ func (d *Database) TestConnection(logger *slog.Logger) error {
 	return d.getSpecificDatabase().TestConnection(logger)
 }
 
+func (d *Database) HideSensitiveData() {
+	d.getSpecificDatabase().HideSensitiveData()
+}
+
+func (d *Database) Update(incoming *Database) {
+	d.Name = incoming.Name
+	d.Type = incoming.Type
+	d.Notifiers = incoming.Notifiers
+
+	switch d.Type {
+	case DatabaseTypePostgres:
+		if d.Postgresql != nil && incoming.Postgresql != nil {
+			d.Postgresql.Update(incoming.Postgresql)
+		}
+	}
+}
+
 func (d *Database) getSpecificDatabase() DatabaseConnector {
 	switch d.Type {
 	case DatabaseTypePostgres:

backend/internal/features/databases/repository.go

@@ -1,6 +1,7 @@
 package databases
 
 import (
+	"errors"
 	"postgresus-backend/internal/features/databases/databases/postgresql"
 	"postgresus-backend/internal/storage"
 
@@ -21,9 +22,12 @@ func (r *DatabaseRepository) Save(database *Database) (*Database, error) {
 	err := db.Transaction(func(tx *gorm.DB) error {
 		switch database.Type {
 		case DatabaseTypePostgres:
-			if database.Postgresql != nil {
-				database.Postgresql.DatabaseID = &database.ID
+			if database.Postgresql == nil {
+				return errors.New("postgresql configuration is required for PostgreSQL database")
 			}
+
+			// Ensure DatabaseID is always set and never nil
+			database.Postgresql.DatabaseID = &database.ID
 		}
 
 		if isNew {
@@ -43,17 +47,15 @@ func (r *DatabaseRepository) Save(database *Database) (*Database, error) {
 		// Save the specific database type
 		switch database.Type {
 		case DatabaseTypePostgres:
-			if database.Postgresql != nil {
-				database.Postgresql.DatabaseID = &database.ID
-				if database.Postgresql.ID == uuid.Nil {
-					database.Postgresql.ID = uuid.New()
-					if err := tx.Create(database.Postgresql).Error; err != nil {
-						return err
-					}
-				} else {
-					if err := tx.Save(database.Postgresql).Error; err != nil {
-						return err
-					}
+			database.Postgresql.DatabaseID = &database.ID
+			if database.Postgresql.ID == uuid.Nil {
+				database.Postgresql.ID = uuid.New()
+				if err := tx.Create(database.Postgresql).Error; err != nil {
+					return err
+				}
+			} else {
+				if err := tx.Save(database.Postgresql).Error; err != nil {
+					return err
 				}
 			}
 		}
@@ -90,14 +92,14 @@ func (r *DatabaseRepository) FindByID(id uuid.UUID) (*Database, error) {
 	return &database, nil
 }
 
-func (r *DatabaseRepository) FindByUserID(userID uuid.UUID) ([]*Database, error) {
+func (r *DatabaseRepository) FindByWorkspaceID(workspaceID uuid.UUID) ([]*Database, error) {
 	var databases []*Database
 
 	if err := storage.
 		GetDb().
 		Preload("Postgresql").
 		Preload("Notifiers").
-		Where("user_id = ?", userID).
+		Where("workspace_id = ?", workspaceID).
 		Order("CASE WHEN health_status = 'UNAVAILABLE' THEN 1 WHEN health_status = 'AVAILABLE' THEN 2 WHEN health_status IS NULL THEN 3 ELSE 4 END, name ASC").
 		Find(&databases).Error; err != nil {
 		return nil, err

backend/internal/features/databases/service.go

@@ -2,10 +2,15 @@ package databases
 
 import (
 	"errors"
+	"fmt"
 	"log/slog"
+	"time"
+
+	audit_logs "postgresus-backend/internal/features/audit_logs"
+	"postgresus-backend/internal/features/databases/databases/postgresql"
 	"postgresus-backend/internal/features/notifiers"
 	users_models "postgresus-backend/internal/features/users/models"
-	"time"
+	workspaces_services "postgresus-backend/internal/features/workspaces/services"
 
 	"github.com/google/uuid"
 )
@@ -17,6 +22,10 @@ type DatabaseService struct {
 
 	dbCreationListener []DatabaseCreationListener
 	dbRemoveListener   []DatabaseRemoveListener
+	dbCopyListener     []DatabaseCopyListener
+
+	workspaceService *workspaces_services.WorkspaceService
+	auditLogService  *audit_logs.AuditLogService
 }
 
 func (s *DatabaseService) AddDbCreationListener(
@@ -31,17 +40,32 @@ func (s *DatabaseService) AddDbRemoveListener(
 	s.dbRemoveListener = append(s.dbRemoveListener, dbRemoveListener)
 }
 
+func (s *DatabaseService) AddDbCopyListener(
+	dbCopyListener DatabaseCopyListener,
+) {
+	s.dbCopyListener = append(s.dbCopyListener, dbCopyListener)
+}
+
 func (s *DatabaseService) CreateDatabase(
 	user *users_models.User,
+	workspaceID uuid.UUID,
 	database *Database,
 ) (*Database, error) {
-	database.UserID = user.ID
+	canManage, err := s.workspaceService.CanUserManageDBs(workspaceID, user)
+	if err != nil {
+		return nil, err
+	}
+	if !canManage {
+		return nil, errors.New("insufficient permissions to create database in this workspace")
+	}
+
+	database.WorkspaceID = &workspaceID
 
 	if err := database.Validate(); err != nil {
 		return nil, err
 	}
 
-	database, err := s.dbRepository.Save(database)
+	database, err = s.dbRepository.Save(database)
 	if err != nil {
 		return nil, err
 	}
@@ -50,6 +74,12 @@ func (s *DatabaseService) CreateDatabase(
 		listener.OnDatabaseCreated(database.ID)
 	}
 
+	s.auditLogService.WriteAuditLog(
+		fmt.Sprintf("Database created: %s", database.Name),
+		&user.ID,
+		&workspaceID,
+	)
+
 	return database, nil
 }
 
@@ -66,24 +96,39 @@ func (s *DatabaseService) UpdateDatabase(
 		return err
 	}
 
-	if existingDatabase.UserID != user.ID {
-		return errors.New("you have not access to this database")
+	if existingDatabase.WorkspaceID == nil {
+		return errors.New("cannot update database without workspace")
+	}
+
+	canManage, err := s.workspaceService.CanUserManageDBs(*existingDatabase.WorkspaceID, user)
+	if err != nil {
+		return err
+	}
+	if !canManage {
+		return errors.New("insufficient permissions to update this database")
 	}
 
-	// Validate the update
 	if err := database.ValidateUpdate(*existingDatabase, *database); err != nil {
 		return err
 	}
 
-	if err := database.Validate(); err != nil {
+	existingDatabase.Update(database)
+
+	if err := existingDatabase.Validate(); err != nil {
 		return err
 	}
 
-	_, err = s.dbRepository.Save(database)
+	_, err = s.dbRepository.Save(existingDatabase)
 	if err != nil {
 		return err
 	}
 
+	s.auditLogService.WriteAuditLog(
+		fmt.Sprintf("Database updated: %s", existingDatabase.Name),
+		&user.ID,
+		existingDatabase.WorkspaceID,
+	)
+
 	return nil
 }
 
@@ -96,8 +141,16 @@ func (s *DatabaseService) DeleteDatabase(
 		return err
 	}
 
-	if existingDatabase.UserID != user.ID {
-		return errors.New("you have not access to this database")
+	if existingDatabase.WorkspaceID == nil {
+		return errors.New("cannot delete database without workspace")
+	}
+
+	canManage, err := s.workspaceService.CanUserManageDBs(*existingDatabase.WorkspaceID, user)
+	if err != nil {
+		return err
+	}
+	if !canManage {
+		return errors.New("insufficient permissions to delete this database")
 	}
 
 	for _, listener := range s.dbRemoveListener {
@@ -106,6 +159,12 @@ func (s *DatabaseService) DeleteDatabase(
 		}
 	}
 
+	s.auditLogService.WriteAuditLog(
+		fmt.Sprintf("Database deleted: %s", existingDatabase.Name),
+		&user.ID,
+		existingDatabase.WorkspaceID,
+	)
+
 	return s.dbRepository.Delete(id)
 }
 
@@ -118,17 +177,44 @@ func (s *DatabaseService) GetDatabase(
 		return nil, err
 	}
 
-	if database.UserID != user.ID {
-		return nil, errors.New("you have not access to this database")
+	if database.WorkspaceID == nil {
+		return nil, errors.New("cannot access database without workspace")
 	}
 
+	canAccess, _, err := s.workspaceService.CanUserAccessWorkspace(*database.WorkspaceID, user)
+	if err != nil {
+		return nil, err
+	}
+	if !canAccess {
+		return nil, errors.New("insufficient permissions to access this database")
+	}
+
+	database.HideSensitiveData()
 	return database, nil
 }
 
-func (s *DatabaseService) GetDatabasesByUser(
+func (s *DatabaseService) GetDatabasesByWorkspace(
 	user *users_models.User,
+	workspaceID uuid.UUID,
 ) ([]*Database, error) {
-	return s.dbRepository.FindByUserID(user.ID)
+	canAccess, _, err := s.workspaceService.CanUserAccessWorkspace(workspaceID, user)
+	if err != nil {
+		return nil, err
+	}
+	if !canAccess {
+		return nil, errors.New("insufficient permissions to access this workspace")
+	}
+
+	databases, err := s.dbRepository.FindByWorkspaceID(workspaceID)
+	if err != nil {
+		return nil, err
+	}
+
+	for _, database := range databases {
+		database.HideSensitiveData()
+	}
+
+	return databases, nil
 }
 
 func (s *DatabaseService) IsNotifierUsing(
@@ -152,8 +238,16 @@ func (s *DatabaseService) TestDatabaseConnection(
 		return err
 	}
 
-	if database.UserID != user.ID {
-		return errors.New("you have not access to this database")
+	if database.WorkspaceID == nil {
+		return errors.New("cannot test connection for database without workspace")
+	}
+
+	canAccess, _, err := s.workspaceService.CanUserAccessWorkspace(*database.WorkspaceID, user)
+	if err != nil {
+		return err
+	}
+	if !canAccess {
+		return errors.New("insufficient permissions to test connection for this database")
 	}
 
 	err = database.TestConnection(s.logger)
@@ -176,7 +270,31 @@ func (s *DatabaseService) TestDatabaseConnection(
 func (s *DatabaseService) TestDatabaseConnectionDirect(
 	database *Database,
 ) error {
-	return database.TestConnection(s.logger)
+	var usingDatabase *Database
+
+	if database.ID != uuid.Nil {
+		existingDatabase, err := s.dbRepository.FindByID(database.ID)
+		if err != nil {
+			return err
+		}
+
+		if database.WorkspaceID != nil && existingDatabase.WorkspaceID != nil &&
+			*existingDatabase.WorkspaceID != *database.WorkspaceID {
+			return errors.New("database does not belong to this workspace")
+		}
+
+		existingDatabase.Update(database)
+
+		if err := existingDatabase.Validate(); err != nil {
+			return err
+		}
+
+		usingDatabase = existingDatabase
+	} else {
+		usingDatabase = database
+	}
+
+	return usingDatabase.TestConnection(s.logger)
 }
 
 func (s *DatabaseService) GetDatabaseByID(
@@ -220,6 +338,81 @@ func (s *DatabaseService) SetLastBackupTime(databaseID uuid.UUID, backupTime tim
 	return nil
 }
 
+func (s *DatabaseService) CopyDatabase(
+	user *users_models.User,
+	databaseID uuid.UUID,
+) (*Database, error) {
+	existingDatabase, err := s.dbRepository.FindByID(databaseID)
+	if err != nil {
+		return nil, err
+	}
+
+	if existingDatabase.WorkspaceID == nil {
+		return nil, errors.New("cannot copy database without workspace")
+	}
+
+	canManage, err := s.workspaceService.CanUserManageDBs(*existingDatabase.WorkspaceID, user)
+	if err != nil {
+		return nil, err
+	}
+	if !canManage {
+		return nil, errors.New("insufficient permissions to copy this database")
+	}
+
+	newDatabase := &Database{
+		ID:                     uuid.Nil,
+		WorkspaceID:            existingDatabase.WorkspaceID,
+		Name:                   existingDatabase.Name + " (Copy)",
+		Type:                   existingDatabase.Type,
+		Notifiers:              existingDatabase.Notifiers,
+		LastBackupTime:         nil,
+		LastBackupErrorMessage: nil,
+		HealthStatus:           existingDatabase.HealthStatus,
+	}
+
+	switch existingDatabase.Type {
+	case DatabaseTypePostgres:
+		if existingDatabase.Postgresql != nil {
+			newDatabase.Postgresql = &postgresql.PostgresqlDatabase{
+				ID:         uuid.Nil,
+				DatabaseID: nil,
+				Version:    existingDatabase.Postgresql.Version,
+				Host:       existingDatabase.Postgresql.Host,
+				Port:       existingDatabase.Postgresql.Port,
+				Username:   existingDatabase.Postgresql.Username,
+				Password:   existingDatabase.Postgresql.Password,
+				Database:   existingDatabase.Postgresql.Database,
+				IsHttps:    existingDatabase.Postgresql.IsHttps,
+			}
+		}
+	}
+
+	if err := newDatabase.Validate(); err != nil {
+		return nil, err
+	}
+
+	copiedDatabase, err := s.dbRepository.Save(newDatabase)
+	if err != nil {
+		return nil, err
+	}
+
+	for _, listener := range s.dbCreationListener {
+		listener.OnDatabaseCreated(copiedDatabase.ID)
+	}
+
+	for _, listener := range s.dbCopyListener {
+		listener.OnDatabaseCopied(databaseID, copiedDatabase.ID)
+	}
+
+	s.auditLogService.WriteAuditLog(
+		fmt.Sprintf("Database copied: %s to %s", existingDatabase.Name, copiedDatabase.Name),
+		&user.ID,
+		existingDatabase.WorkspaceID,
+	)
+
+	return copiedDatabase, nil
+}
+
 func (s *DatabaseService) SetHealthStatus(
 	databaseID uuid.UUID,
 	healthStatus *HealthStatus,
@@ -237,3 +430,19 @@ func (s *DatabaseService) SetHealthStatus(
 
 	return nil
 }
+
+func (s *DatabaseService) OnBeforeWorkspaceDeletion(workspaceID uuid.UUID) error {
+	databases, err := s.dbRepository.FindByWorkspaceID(workspaceID)
+	if err != nil {
+		return err
+	}
+
+	if len(databases) > 0 {
+		return fmt.Errorf(
+			"workspace contains %d databases that must be deleted",
+			len(databases),
+		)
+	}
+
+	return nil
+}

backend/internal/features/databases/testing.go

@@ -10,14 +10,14 @@ import (
 )
 
 func CreateTestDatabase(
-	userID uuid.UUID,
+	workspaceID uuid.UUID,
 	storage *storages.Storage,
 	notifier *notifiers.Notifier,
 ) *Database {
 	database := &Database{
-		UserID: userID,
-		Name:   "test " + uuid.New().String(),
-		Type:   DatabaseTypePostgres,
+		WorkspaceID: &workspaceID,
+		Name:        "test " + uuid.New().String(),
+		Type:        DatabaseTypePostgres,
 
 		Postgresql: &postgresql.PostgresqlDatabase{
 			Version:  tools.PostgresqlVersion16,

backend/internal/features/healthcheck/attempt/background_service.go

@@ -13,7 +13,7 @@ type HealthcheckAttemptBackgroundService struct {
 	logger                   *slog.Logger
 }
 
-func (s *HealthcheckAttemptBackgroundService) RunBackgroundTasks() {
+func (s *HealthcheckAttemptBackgroundService) Run() {
 	// first healthcheck immediately
 	s.checkDatabases()
 

backend/internal/features/healthcheck/attempt/check_pg_health_uc_test.go

@@ -10,23 +10,34 @@ import (
 	healthcheck_config "postgresus-backend/internal/features/healthcheck/config"
 	"postgresus-backend/internal/features/notifiers"
 	"postgresus-backend/internal/features/storages"
-	"postgresus-backend/internal/features/users"
+	users_enums "postgresus-backend/internal/features/users/enums"
+	users_testing "postgresus-backend/internal/features/users/testing"
+	workspaces_testing "postgresus-backend/internal/features/workspaces/testing"
 
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/mock"
 )
 
 func Test_CheckPgHealthUseCase(t *testing.T) {
-	user := users.GetTestUser()
+	user := users_testing.CreateTestUser(users_enums.UserRoleAdmin)
 
-	storage := storages.CreateTestStorage(user.UserID)
-	notifier := notifiers.CreateTestNotifier(user.UserID)
+	// Create workspace directly via service
+	workspace, err := workspaces_testing.CreateTestWorkspaceDirect("Test Workspace", user.UserID)
+	if err != nil {
+		t.Fatalf("Failed to create workspace: %v", err)
+	}
 
-	defer storages.RemoveTestStorage(storage.ID)
-	defer notifiers.RemoveTestNotifier(notifier)
+	storage := storages.CreateTestStorage(workspace.ID)
+	notifier := notifiers.CreateTestNotifier(workspace.ID)
+
+	defer func() {
+		storages.RemoveTestStorage(storage.ID)
+		notifiers.RemoveTestNotifier(notifier)
+		workspaces_testing.RemoveTestWorkspaceDirect(workspace.ID)
+	}()
 
 	t.Run("Test_DbAttemptFailed_DbMarkedAsUnavailable", func(t *testing.T) {
-		database := databases.CreateTestDatabase(user.UserID, storage, notifier)
+		database := databases.CreateTestDatabase(workspace.ID, storage, notifier)
 		defer databases.RemoveTestDatabase(database)
 
 		// Setup mock notifier sender
@@ -94,7 +105,7 @@ func Test_CheckPgHealthUseCase(t *testing.T) {
 	t.Run(
 		"Test_DbShouldBeConsideredAsDownOnThirdFailedAttempt_DbNotMarkerdAsDownAfterFirstAttempt",
 		func(t *testing.T) {
-			database := databases.CreateTestDatabase(user.UserID, storage, notifier)
+			database := databases.CreateTestDatabase(workspace.ID, storage, notifier)
 			defer databases.RemoveTestDatabase(database)
 
 			// Setup mock notifier sender
@@ -160,7 +171,7 @@ func Test_CheckPgHealthUseCase(t *testing.T) {
 	t.Run(
 		"Test_DbShouldBeConsideredAsDownOnThirdFailedAttempt_DbMarkerdAsDownAfterThirdFailedAttempt",
 		func(t *testing.T) {
-			database := databases.CreateTestDatabase(user.UserID, storage, notifier)
+			database := databases.CreateTestDatabase(workspace.ID, storage, notifier)
 			defer databases.RemoveTestDatabase(database)
 
 			// Make sure DB is available
@@ -237,7 +248,7 @@ func Test_CheckPgHealthUseCase(t *testing.T) {
 	)
 
 	t.Run("Test_UnavailableDbAttemptSucceed_DbMarkedAsAvailable", func(t *testing.T) {
-		database := databases.CreateTestDatabase(user.UserID, storage, notifier)
+		database := databases.CreateTestDatabase(workspace.ID, storage, notifier)
 		defer databases.RemoveTestDatabase(database)
 
 		// Make sure DB is unavailable
@@ -311,7 +322,7 @@ func Test_CheckPgHealthUseCase(t *testing.T) {
 	t.Run(
 		"Test_DbHealthcheckExecutedFast_HealthcheckNotExecutedFasterThanInterval",
 		func(t *testing.T) {
-			database := databases.CreateTestDatabase(user.UserID, storage, notifier)
+			database := databases.CreateTestDatabase(workspace.ID, storage, notifier)
 			defer databases.RemoveTestDatabase(database)
 
 			// Setup mock notifier sender

backend/internal/features/healthcheck/attempt/controller.go

@@ -2,7 +2,7 @@ package healthcheck_attempt
 
 import (
 	"net/http"
-	"postgresus-backend/internal/features/users"
+	users_middleware "postgresus-backend/internal/features/users/middleware"
 	"time"
 
 	"github.com/gin-gonic/gin"
@@ -11,7 +11,6 @@ import (
 
 type HealthcheckAttemptController struct {
 	healthcheckAttemptService *HealthcheckAttemptService
-	userService               *users.UserService
 }
 
 func (c *HealthcheckAttemptController) RegisterRoutes(router *gin.RouterGroup) {
@@ -31,9 +30,9 @@ func (c *HealthcheckAttemptController) RegisterRoutes(router *gin.RouterGroup) {
 // @Failure 401
 // @Router /healthcheck-attempts/{databaseId} [get]
 func (c *HealthcheckAttemptController) GetAttemptsByDatabase(ctx *gin.Context) {
-	user, err := c.userService.GetUserFromToken(ctx.GetHeader("Authorization"))
-	if err != nil {
-		ctx.JSON(http.StatusUnauthorized, gin.H{"error": err.Error()})
+	user, ok := users_middleware.GetUserFromContext(ctx)
+	if !ok {
+		ctx.JSON(http.StatusUnauthorized, gin.H{"error": "User not authenticated"})
 		return
 	}
 
@@ -43,7 +42,7 @@ func (c *HealthcheckAttemptController) GetAttemptsByDatabase(ctx *gin.Context) {
 		return
 	}
 
-	afterDate := time.Now().UTC()
+	afterDate := time.Now().UTC().Add(-7 * 24 * time.Hour)
 	if afterDateStr := ctx.Query("afterDate"); afterDateStr != "" {
 		parsedDate, err := time.Parse(time.RFC3339, afterDateStr)
 		if err != nil {

backend/internal/features/healthcheck/attempt/controller_test.go

@@ -0,0 +1,261 @@
+package healthcheck_attempt
+
+import (
+	"encoding/json"
+	"fmt"
+	"net/http"
+	"testing"
+	"time"
+
+	"github.com/gin-gonic/gin"
+	"github.com/google/uuid"
+	"github.com/stretchr/testify/assert"
+
+	"postgresus-backend/internal/features/databases"
+	"postgresus-backend/internal/features/databases/databases/postgresql"
+	users_enums "postgresus-backend/internal/features/users/enums"
+	users_testing "postgresus-backend/internal/features/users/testing"
+	workspaces_controllers "postgresus-backend/internal/features/workspaces/controllers"
+	workspaces_testing "postgresus-backend/internal/features/workspaces/testing"
+	test_utils "postgresus-backend/internal/util/testing"
+	"postgresus-backend/internal/util/tools"
+)
+
+func createTestRouter() *gin.Engine {
+	router := workspaces_testing.CreateTestRouter(
+		workspaces_controllers.GetWorkspaceController(),
+		workspaces_controllers.GetMembershipController(),
+		databases.GetDatabaseController(),
+		GetHealthcheckAttemptController(),
+	)
+	return router
+}
+
+func Test_GetAttemptsByDatabase_PermissionsEnforced(t *testing.T) {
+	tests := []struct {
+		name               string
+		workspaceRole      *users_enums.WorkspaceRole
+		isGlobalAdmin      bool
+		expectSuccess      bool
+		expectedStatusCode int
+	}{
+		{
+			name:               "workspace owner can get healthcheck attempts",
+			workspaceRole:      func() *users_enums.WorkspaceRole { r := users_enums.WorkspaceRoleOwner; return &r }(),
+			isGlobalAdmin:      false,
+			expectSuccess:      true,
+			expectedStatusCode: http.StatusOK,
+		},
+		{
+			name:               "workspace admin can get healthcheck attempts",
+			workspaceRole:      func() *users_enums.WorkspaceRole { r := users_enums.WorkspaceRoleAdmin; return &r }(),
+			isGlobalAdmin:      false,
+			expectSuccess:      true,
+			expectedStatusCode: http.StatusOK,
+		},
+		{
+			name:               "workspace member can get healthcheck attempts",
+			workspaceRole:      func() *users_enums.WorkspaceRole { r := users_enums.WorkspaceRoleMember; return &r }(),
+			isGlobalAdmin:      false,
+			expectSuccess:      true,
+			expectedStatusCode: http.StatusOK,
+		},
+		{
+			name:               "workspace viewer can get healthcheck attempts",
+			workspaceRole:      func() *users_enums.WorkspaceRole { r := users_enums.WorkspaceRoleViewer; return &r }(),
+			isGlobalAdmin:      false,
+			expectSuccess:      true,
+			expectedStatusCode: http.StatusOK,
+		},
+		{
+			name:               "global admin can get healthcheck attempts",
+			workspaceRole:      nil,
+			isGlobalAdmin:      true,
+			expectSuccess:      true,
+			expectedStatusCode: http.StatusOK,
+		},
+		{
+			name:               "non-member cannot get healthcheck attempts",
+			workspaceRole:      nil,
+			isGlobalAdmin:      false,
+			expectSuccess:      false,
+			expectedStatusCode: http.StatusBadRequest,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			router := createTestRouter()
+			owner := users_testing.CreateTestUser(users_enums.UserRoleMember)
+			workspace := workspaces_testing.CreateTestWorkspace("Test Workspace", owner, router)
+
+			database := createTestDatabaseViaAPI("Test Database", workspace.ID, owner.Token, router)
+
+			pastTime := time.Now().UTC().Add(-1 * time.Hour)
+			createTestHealthcheckAttemptWithTime(
+				database.ID,
+				databases.HealthStatusAvailable,
+				pastTime,
+			)
+			createTestHealthcheckAttemptWithTime(
+				database.ID,
+				databases.HealthStatusUnavailable,
+				pastTime.Add(-30*time.Minute),
+			)
+
+			var testUserToken string
+			if tt.isGlobalAdmin {
+				admin := users_testing.CreateTestUser(users_enums.UserRoleAdmin)
+				testUserToken = admin.Token
+			} else if tt.workspaceRole != nil && *tt.workspaceRole == users_enums.WorkspaceRoleOwner {
+				testUserToken = owner.Token
+			} else if tt.workspaceRole != nil {
+				member := users_testing.CreateTestUser(users_enums.UserRoleMember)
+				workspaces_testing.AddMemberToWorkspace(workspace, member, *tt.workspaceRole, owner.Token, router)
+				testUserToken = member.Token
+			} else {
+				nonMember := users_testing.CreateTestUser(users_enums.UserRoleMember)
+				testUserToken = nonMember.Token
+			}
+
+			if tt.expectSuccess {
+				var response []*HealthcheckAttempt
+				test_utils.MakeGetRequestAndUnmarshal(
+					t,
+					router,
+					"/api/v1/healthcheck-attempts/"+database.ID.String(),
+					"Bearer "+testUserToken,
+					tt.expectedStatusCode,
+					&response,
+				)
+
+				assert.GreaterOrEqual(t, len(response), 2)
+			} else {
+				testResp := test_utils.MakeGetRequest(
+					t,
+					router,
+					"/api/v1/healthcheck-attempts/"+database.ID.String(),
+					"Bearer "+testUserToken,
+					tt.expectedStatusCode,
+				)
+				assert.Contains(t, string(testResp.Body), "forbidden")
+			}
+		})
+	}
+}
+
+func Test_GetAttemptsByDatabase_FiltersByAfterDate(t *testing.T) {
+	router := createTestRouter()
+	owner := users_testing.CreateTestUser(users_enums.UserRoleMember)
+	workspace := workspaces_testing.CreateTestWorkspace("Test Workspace", owner, router)
+
+	database := createTestDatabaseViaAPI("Test Database", workspace.ID, owner.Token, router)
+
+	oldTime := time.Now().UTC().Add(-2 * time.Hour)
+	recentTime := time.Now().UTC().Add(-30 * time.Minute)
+
+	createTestHealthcheckAttemptWithTime(database.ID, databases.HealthStatusAvailable, oldTime)
+	createTestHealthcheckAttemptWithTime(database.ID, databases.HealthStatusUnavailable, recentTime)
+	createTestHealthcheckAttempt(database.ID, databases.HealthStatusAvailable)
+
+	afterDate := time.Now().UTC().Add(-1 * time.Hour)
+	var response []*HealthcheckAttempt
+	test_utils.MakeGetRequestAndUnmarshal(
+		t,
+		router,
+		fmt.Sprintf(
+			"/api/v1/healthcheck-attempts/%s?afterDate=%s",
+			database.ID.String(),
+			afterDate.Format(time.RFC3339),
+		),
+		"Bearer "+owner.Token,
+		http.StatusOK,
+		&response,
+	)
+
+	assert.Equal(t, 2, len(response))
+	for _, attempt := range response {
+		assert.True(t, attempt.CreatedAt.After(afterDate) || attempt.CreatedAt.Equal(afterDate))
+	}
+}
+
+func Test_GetAttemptsByDatabase_ReturnsEmptyListForNewDatabase(t *testing.T) {
+	router := createTestRouter()
+	owner := users_testing.CreateTestUser(users_enums.UserRoleMember)
+	workspace := workspaces_testing.CreateTestWorkspace("Test Workspace", owner, router)
+
+	database := createTestDatabaseViaAPI("Test Database", workspace.ID, owner.Token, router)
+
+	var response []*HealthcheckAttempt
+	test_utils.MakeGetRequestAndUnmarshal(
+		t,
+		router,
+		"/api/v1/healthcheck-attempts/"+database.ID.String(),
+		"Bearer "+owner.Token,
+		http.StatusOK,
+		&response,
+	)
+
+	assert.Equal(t, 0, len(response))
+}
+
+func createTestDatabaseViaAPI(
+	name string,
+	workspaceID uuid.UUID,
+	token string,
+	router *gin.Engine,
+) *databases.Database {
+	testDbName := "test_db"
+	request := databases.Database{
+		WorkspaceID: &workspaceID,
+		Name:        name,
+		Type:        databases.DatabaseTypePostgres,
+		Postgresql: &postgresql.PostgresqlDatabase{
+			Version:  tools.PostgresqlVersion16,
+			Host:     "localhost",
+			Port:     5432,
+			Username: "postgres",
+			Password: "postgres",
+			Database: &testDbName,
+		},
+	}
+
+	w := workspaces_testing.MakeAPIRequest(
+		router,
+		"POST",
+		"/api/v1/databases/create",
+		"Bearer "+token,
+		request,
+	)
+
+	if w.Code != http.StatusCreated {
+		panic("Failed to create database")
+	}
+
+	var database databases.Database
+	if err := json.Unmarshal(w.Body.Bytes(), &database); err != nil {
+		panic(err)
+	}
+	return &database
+}
+
+func createTestHealthcheckAttempt(databaseID uuid.UUID, status databases.HealthStatus) {
+	createTestHealthcheckAttemptWithTime(databaseID, status, time.Now().UTC())
+}
+
+func createTestHealthcheckAttemptWithTime(
+	databaseID uuid.UUID,
+	status databases.HealthStatus,
+	createdAt time.Time,
+) {
+	repo := GetHealthcheckAttemptRepository()
+	attempt := &HealthcheckAttempt{
+		ID:         uuid.New(),
+		DatabaseID: databaseID,
+		Status:     status,
+		CreatedAt:  createdAt,
+	}
+	if err := repo.Create(attempt); err != nil {
+		panic("Failed to create test healthcheck attempt: " + err.Error())
+	}
+}

backend/internal/features/healthcheck/attempt/di.go

@@ -4,7 +4,7 @@ import (
 	"postgresus-backend/internal/features/databases"
 	healthcheck_config "postgresus-backend/internal/features/healthcheck/config"
 	"postgresus-backend/internal/features/notifiers"
-	"postgresus-backend/internal/features/users"
+	workspaces_services "postgresus-backend/internal/features/workspaces/services"
 	"postgresus-backend/internal/util/logger"
 )
 
@@ -12,6 +12,7 @@ var healthcheckAttemptRepository = &HealthcheckAttemptRepository{}
 var healthcheckAttemptService = &HealthcheckAttemptService{
 	healthcheckAttemptRepository,
 	databases.GetDatabaseService(),
+	workspaces_services.GetWorkspaceService(),
 }
 
 var checkPgHealthUseCase = &CheckPgHealthUseCase{
@@ -27,7 +28,10 @@ var healthcheckAttemptBackgroundService = &HealthcheckAttemptBackgroundService{
 }
 var healthcheckAttemptController = &HealthcheckAttemptController{
 	healthcheckAttemptService,
-	users.GetUserService(),
+}
+
+func GetHealthcheckAttemptRepository() *HealthcheckAttemptRepository {
+	return healthcheckAttemptRepository
 }
 
 func GetHealthcheckAttemptService() *HealthcheckAttemptService {

backend/internal/features/healthcheck/attempt/repository.go

@@ -53,7 +53,7 @@ func (r *HealthcheckAttemptRepository) DeleteOlderThan(
 		Delete(&HealthcheckAttempt{}).Error
 }
 
-func (r *HealthcheckAttemptRepository) Insert(
+func (r *HealthcheckAttemptRepository) Create(
 	attempt *HealthcheckAttempt,
 ) error {
 	if attempt.ID == uuid.Nil {
@@ -67,6 +67,12 @@ func (r *HealthcheckAttemptRepository) Insert(
 	return storage.GetDb().Create(attempt).Error
 }
 
+func (r *HealthcheckAttemptRepository) Insert(
+	attempt *HealthcheckAttempt,
+) error {
+	return r.Create(attempt)
+}
+
 func (r *HealthcheckAttemptRepository) FindByDatabaseIDWithLimit(
 	databaseID uuid.UUID,
 	limit int,

backend/internal/features/healthcheck/attempt/service.go

@@ -4,6 +4,7 @@ import (
 	"errors"
 	"postgresus-backend/internal/features/databases"
 	users_models "postgresus-backend/internal/features/users/models"
+	workspaces_services "postgresus-backend/internal/features/workspaces/services"
 	"time"
 
 	"github.com/google/uuid"
@@ -12,6 +13,7 @@ import (
 type HealthcheckAttemptService struct {
 	healthcheckAttemptRepository *HealthcheckAttemptRepository
 	databaseService              *databases.DatabaseService
+	workspaceService             *workspaces_services.WorkspaceService
 }
 
 func (s *HealthcheckAttemptService) GetAttemptsByDatabase(
@@ -24,7 +26,15 @@ func (s *HealthcheckAttemptService) GetAttemptsByDatabase(
 		return nil, err
 	}
 
-	if database.UserID != user.ID {
+	if database.WorkspaceID == nil {
+		return nil, errors.New("cannot access healthcheck attempts for databases without workspace")
+	}
+
+	canAccess, _, err := s.workspaceService.CanUserAccessWorkspace(*database.WorkspaceID, &user)
+	if err != nil {
+		return nil, err
+	}
+	if !canAccess {
 		return nil, errors.New("forbidden")
 	}
 

backend/internal/features/healthcheck/config/controller.go

@@ -2,7 +2,7 @@ package healthcheck_config
 
 import (
 	"net/http"
-	"postgresus-backend/internal/features/users"
+	users_middleware "postgresus-backend/internal/features/users/middleware"
 
 	"github.com/gin-gonic/gin"
 	"github.com/google/uuid"
@@ -10,7 +10,6 @@ import (
 
 type HealthcheckConfigController struct {
 	healthcheckConfigService *HealthcheckConfigService
-	userService              *users.UserService
 }
 
 func (c *HealthcheckConfigController) RegisterRoutes(router *gin.RouterGroup) {
@@ -31,9 +30,9 @@ func (c *HealthcheckConfigController) RegisterRoutes(router *gin.RouterGroup) {
 // @Failure 401
 // @Router /healthcheck-config [post]
 func (c *HealthcheckConfigController) SaveHealthcheckConfig(ctx *gin.Context) {
-	user, err := c.userService.GetUserFromToken(ctx.GetHeader("Authorization"))
-	if err != nil {
-		ctx.JSON(http.StatusUnauthorized, gin.H{"error": err.Error()})
+	user, ok := users_middleware.GetUserFromContext(ctx)
+	if !ok {
+		ctx.JSON(http.StatusUnauthorized, gin.H{"error": "User not authenticated"})
 		return
 	}
 
@@ -65,9 +64,9 @@ func (c *HealthcheckConfigController) SaveHealthcheckConfig(ctx *gin.Context) {
 // @Failure 401
 // @Router /healthcheck-config/{databaseId} [get]
 func (c *HealthcheckConfigController) GetHealthcheckConfig(ctx *gin.Context) {
-	user, err := c.userService.GetUserFromToken(ctx.GetHeader("Authorization"))
-	if err != nil {
-		ctx.JSON(http.StatusUnauthorized, gin.H{"error": err.Error()})
+	user, ok := users_middleware.GetUserFromContext(ctx)
+	if !ok {
+		ctx.JSON(http.StatusUnauthorized, gin.H{"error": "User not authenticated"})
 		return
 	}
 

backend/internal/features/healthcheck/config/controller_test.go

@@ -0,0 +1,328 @@
+package healthcheck_config
+
+import (
+	"encoding/json"
+	"net/http"
+	"testing"
+
+	"github.com/gin-gonic/gin"
+	"github.com/google/uuid"
+	"github.com/stretchr/testify/assert"
+
+	"postgresus-backend/internal/features/databases"
+	"postgresus-backend/internal/features/databases/databases/postgresql"
+	users_enums "postgresus-backend/internal/features/users/enums"
+	users_testing "postgresus-backend/internal/features/users/testing"
+	workspaces_controllers "postgresus-backend/internal/features/workspaces/controllers"
+	workspaces_testing "postgresus-backend/internal/features/workspaces/testing"
+	test_utils "postgresus-backend/internal/util/testing"
+	"postgresus-backend/internal/util/tools"
+)
+
+func createTestRouter() *gin.Engine {
+	router := workspaces_testing.CreateTestRouter(
+		workspaces_controllers.GetWorkspaceController(),
+		workspaces_controllers.GetMembershipController(),
+		databases.GetDatabaseController(),
+		GetHealthcheckConfigController(),
+	)
+	return router
+}
+
+func Test_SaveHealthcheckConfig_PermissionsEnforced(t *testing.T) {
+	tests := []struct {
+		name               string
+		workspaceRole      *users_enums.WorkspaceRole
+		isGlobalAdmin      bool
+		expectSuccess      bool
+		expectedStatusCode int
+	}{
+		{
+			name:               "workspace owner can save healthcheck config",
+			workspaceRole:      func() *users_enums.WorkspaceRole { r := users_enums.WorkspaceRoleOwner; return &r }(),
+			isGlobalAdmin:      false,
+			expectSuccess:      true,
+			expectedStatusCode: http.StatusOK,
+		},
+		{
+			name:               "workspace admin can save healthcheck config",
+			workspaceRole:      func() *users_enums.WorkspaceRole { r := users_enums.WorkspaceRoleAdmin; return &r }(),
+			isGlobalAdmin:      false,
+			expectSuccess:      true,
+			expectedStatusCode: http.StatusOK,
+		},
+		{
+			name:               "workspace member can save healthcheck config",
+			workspaceRole:      func() *users_enums.WorkspaceRole { r := users_enums.WorkspaceRoleMember; return &r }(),
+			isGlobalAdmin:      false,
+			expectSuccess:      true,
+			expectedStatusCode: http.StatusOK,
+		},
+		{
+			name:               "workspace viewer cannot save healthcheck config",
+			workspaceRole:      func() *users_enums.WorkspaceRole { r := users_enums.WorkspaceRoleViewer; return &r }(),
+			isGlobalAdmin:      false,
+			expectSuccess:      false,
+			expectedStatusCode: http.StatusBadRequest,
+		},
+		{
+			name:               "global admin can save healthcheck config",
+			workspaceRole:      nil,
+			isGlobalAdmin:      true,
+			expectSuccess:      true,
+			expectedStatusCode: http.StatusOK,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			router := createTestRouter()
+			owner := users_testing.CreateTestUser(users_enums.UserRoleMember)
+			workspace := workspaces_testing.CreateTestWorkspace("Test Workspace", owner, router)
+
+			database := createTestDatabaseViaAPI("Test Database", workspace.ID, owner.Token, router)
+
+			var testUserToken string
+			if tt.isGlobalAdmin {
+				admin := users_testing.CreateTestUser(users_enums.UserRoleAdmin)
+				testUserToken = admin.Token
+			} else if tt.workspaceRole != nil && *tt.workspaceRole == users_enums.WorkspaceRoleOwner {
+				testUserToken = owner.Token
+			} else if tt.workspaceRole != nil {
+				member := users_testing.CreateTestUser(users_enums.UserRoleMember)
+				workspaces_testing.AddMemberToWorkspace(workspace, member, *tt.workspaceRole, owner.Token, router)
+				testUserToken = member.Token
+			}
+
+			request := HealthcheckConfigDTO{
+				DatabaseID:                        database.ID,
+				IsHealthcheckEnabled:              true,
+				IsSentNotificationWhenUnavailable: true,
+				IntervalMinutes:                   5,
+				AttemptsBeforeConcideredAsDown:    3,
+				StoreAttemptsDays:                 7,
+			}
+
+			if tt.expectSuccess {
+				var response map[string]string
+				test_utils.MakePostRequestAndUnmarshal(
+					t,
+					router,
+					"/api/v1/healthcheck-config",
+					"Bearer "+testUserToken,
+					request,
+					tt.expectedStatusCode,
+					&response,
+				)
+				assert.Contains(t, response["message"], "successfully")
+			} else {
+				testResp := test_utils.MakePostRequest(
+					t,
+					router,
+					"/api/v1/healthcheck-config",
+					"Bearer "+testUserToken,
+					request,
+					tt.expectedStatusCode,
+				)
+				assert.Contains(t, string(testResp.Body), "insufficient permissions")
+			}
+		})
+	}
+}
+
+func Test_SaveHealthcheckConfig_WhenUserIsNotWorkspaceMember_ReturnsForbidden(t *testing.T) {
+	router := createTestRouter()
+	owner := users_testing.CreateTestUser(users_enums.UserRoleMember)
+	workspace := workspaces_testing.CreateTestWorkspace("Test Workspace", owner, router)
+
+	database := createTestDatabaseViaAPI("Test Database", workspace.ID, owner.Token, router)
+
+	nonMember := users_testing.CreateTestUser(users_enums.UserRoleMember)
+
+	request := HealthcheckConfigDTO{
+		DatabaseID:                        database.ID,
+		IsHealthcheckEnabled:              true,
+		IsSentNotificationWhenUnavailable: true,
+		IntervalMinutes:                   5,
+		AttemptsBeforeConcideredAsDown:    3,
+		StoreAttemptsDays:                 7,
+	}
+
+	testResp := test_utils.MakePostRequest(
+		t,
+		router,
+		"/api/v1/healthcheck-config",
+		"Bearer "+nonMember.Token,
+		request,
+		http.StatusBadRequest,
+	)
+
+	assert.Contains(t, string(testResp.Body), "insufficient permissions")
+}
+
+func Test_GetHealthcheckConfig_PermissionsEnforced(t *testing.T) {
+	tests := []struct {
+		name               string
+		workspaceRole      *users_enums.WorkspaceRole
+		isGlobalAdmin      bool
+		expectSuccess      bool
+		expectedStatusCode int
+	}{
+		{
+			name:               "workspace owner can get healthcheck config",
+			workspaceRole:      func() *users_enums.WorkspaceRole { r := users_enums.WorkspaceRoleOwner; return &r }(),
+			isGlobalAdmin:      false,
+			expectSuccess:      true,
+			expectedStatusCode: http.StatusOK,
+		},
+		{
+			name:               "workspace admin can get healthcheck config",
+			workspaceRole:      func() *users_enums.WorkspaceRole { r := users_enums.WorkspaceRoleAdmin; return &r }(),
+			isGlobalAdmin:      false,
+			expectSuccess:      true,
+			expectedStatusCode: http.StatusOK,
+		},
+		{
+			name:               "workspace member can get healthcheck config",
+			workspaceRole:      func() *users_enums.WorkspaceRole { r := users_enums.WorkspaceRoleMember; return &r }(),
+			isGlobalAdmin:      false,
+			expectSuccess:      true,
+			expectedStatusCode: http.StatusOK,
+		},
+		{
+			name:               "workspace viewer can get healthcheck config",
+			workspaceRole:      func() *users_enums.WorkspaceRole { r := users_enums.WorkspaceRoleViewer; return &r }(),
+			isGlobalAdmin:      false,
+			expectSuccess:      true,
+			expectedStatusCode: http.StatusOK,
+		},
+		{
+			name:               "global admin can get healthcheck config",
+			workspaceRole:      nil,
+			isGlobalAdmin:      true,
+			expectSuccess:      true,
+			expectedStatusCode: http.StatusOK,
+		},
+		{
+			name:               "non-member cannot get healthcheck config",
+			workspaceRole:      nil,
+			isGlobalAdmin:      false,
+			expectSuccess:      false,
+			expectedStatusCode: http.StatusBadRequest,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			router := createTestRouter()
+			owner := users_testing.CreateTestUser(users_enums.UserRoleMember)
+			workspace := workspaces_testing.CreateTestWorkspace("Test Workspace", owner, router)
+
+			database := createTestDatabaseViaAPI("Test Database", workspace.ID, owner.Token, router)
+
+			var testUserToken string
+			if tt.isGlobalAdmin {
+				admin := users_testing.CreateTestUser(users_enums.UserRoleAdmin)
+				testUserToken = admin.Token
+			} else if tt.workspaceRole != nil && *tt.workspaceRole == users_enums.WorkspaceRoleOwner {
+				testUserToken = owner.Token
+			} else if tt.workspaceRole != nil {
+				member := users_testing.CreateTestUser(users_enums.UserRoleMember)
+				workspaces_testing.AddMemberToWorkspace(workspace, member, *tt.workspaceRole, owner.Token, router)
+				testUserToken = member.Token
+			} else {
+				nonMember := users_testing.CreateTestUser(users_enums.UserRoleMember)
+				testUserToken = nonMember.Token
+			}
+
+			if tt.expectSuccess {
+				var response HealthcheckConfig
+				test_utils.MakeGetRequestAndUnmarshal(
+					t,
+					router,
+					"/api/v1/healthcheck-config/"+database.ID.String(),
+					"Bearer "+testUserToken,
+					tt.expectedStatusCode,
+					&response,
+				)
+
+				assert.Equal(t, database.ID, response.DatabaseID)
+				assert.True(t, response.IsHealthcheckEnabled)
+			} else {
+				testResp := test_utils.MakeGetRequest(
+					t,
+					router,
+					"/api/v1/healthcheck-config/"+database.ID.String(),
+					"Bearer "+testUserToken,
+					tt.expectedStatusCode,
+				)
+				assert.Contains(t, string(testResp.Body), "insufficient permissions")
+			}
+		})
+	}
+}
+
+func Test_GetHealthcheckConfig_ReturnsDefaultConfigForNewDatabase(t *testing.T) {
+	router := createTestRouter()
+	owner := users_testing.CreateTestUser(users_enums.UserRoleMember)
+	workspace := workspaces_testing.CreateTestWorkspace("Test Workspace", owner, router)
+
+	database := createTestDatabaseViaAPI("Test Database", workspace.ID, owner.Token, router)
+
+	var response HealthcheckConfig
+	test_utils.MakeGetRequestAndUnmarshal(
+		t,
+		router,
+		"/api/v1/healthcheck-config/"+database.ID.String(),
+		"Bearer "+owner.Token,
+		http.StatusOK,
+		&response,
+	)
+
+	assert.Equal(t, database.ID, response.DatabaseID)
+	assert.True(t, response.IsHealthcheckEnabled)
+	assert.True(t, response.IsSentNotificationWhenUnavailable)
+	assert.Equal(t, 1, response.IntervalMinutes)
+	assert.Equal(t, 3, response.AttemptsBeforeConcideredAsDown)
+	assert.Equal(t, 7, response.StoreAttemptsDays)
+}
+
+func createTestDatabaseViaAPI(
+	name string,
+	workspaceID uuid.UUID,
+	token string,
+	router *gin.Engine,
+) *databases.Database {
+	testDbName := "test_db"
+	request := databases.Database{
+		WorkspaceID: &workspaceID,
+		Name:        name,
+		Type:        databases.DatabaseTypePostgres,
+		Postgresql: &postgresql.PostgresqlDatabase{
+			Version:  tools.PostgresqlVersion16,
+			Host:     "localhost",
+			Port:     5432,
+			Username: "postgres",
+			Password: "postgres",
+			Database: &testDbName,
+		},
+	}
+
+	w := workspaces_testing.MakeAPIRequest(
+		router,
+		"POST",
+		"/api/v1/databases/create",
+		"Bearer "+token,
+		request,
+	)
+
+	if w.Code != http.StatusCreated {
+		panic("Failed to create database")
+	}
+
+	var database databases.Database
+	if err := json.Unmarshal(w.Body.Bytes(), &database); err != nil {
+		panic(err)
+	}
+	return &database
+}

backend/internal/features/healthcheck/config/di.go

@@ -1,8 +1,9 @@
 package healthcheck_config
 
 import (
+	"postgresus-backend/internal/features/audit_logs"
 	"postgresus-backend/internal/features/databases"
-	"postgresus-backend/internal/features/users"
+	workspaces_services "postgresus-backend/internal/features/workspaces/services"
 	"postgresus-backend/internal/util/logger"
 )
 
@@ -10,11 +11,12 @@ var healthcheckConfigRepository = &HealthcheckConfigRepository{}
 var healthcheckConfigService = &HealthcheckConfigService{
 	databases.GetDatabaseService(),
 	healthcheckConfigRepository,
+	workspaces_services.GetWorkspaceService(),
+	audit_logs.GetAuditLogService(),
 	logger.GetLogger(),
 }
 var healthcheckConfigController = &HealthcheckConfigController{
 	healthcheckConfigService,
-	users.GetUserService(),
 }
 
 func GetHealthcheckConfigService() *HealthcheckConfigService {

backend/internal/features/healthcheck/config/service.go

@@ -2,9 +2,12 @@ package healthcheck_config
 
 import (
 	"errors"
+	"fmt"
 	"log/slog"
+	"postgresus-backend/internal/features/audit_logs"
 	"postgresus-backend/internal/features/databases"
 	users_models "postgresus-backend/internal/features/users/models"
+	workspaces_services "postgresus-backend/internal/features/workspaces/services"
 
 	"github.com/google/uuid"
 )
@@ -12,6 +15,8 @@ import (
 type HealthcheckConfigService struct {
 	databaseService             *databases.DatabaseService
 	healthcheckConfigRepository *HealthcheckConfigRepository
+	workspaceService            *workspaces_services.WorkspaceService
+	auditLogService             *audit_logs.AuditLogService
 	logger                      *slog.Logger
 }
 
@@ -33,8 +38,16 @@ func (s *HealthcheckConfigService) Save(
 		return err
 	}
 
-	if database.UserID != user.ID {
-		return errors.New("user does not have access to this database")
+	if database.WorkspaceID == nil {
+		return errors.New("cannot modify healthcheck config for databases without workspace")
+	}
+
+	canManage, err := s.workspaceService.CanUserManageDBs(*database.WorkspaceID, &user)
+	if err != nil {
+		return err
+	}
+	if !canManage {
+		return errors.New("insufficient permissions to modify healthcheck config")
 	}
 
 	healthcheckConfig := configDTO.ToDTO()
@@ -60,6 +73,12 @@ func (s *HealthcheckConfigService) Save(
 		}
 	}
 
+	s.auditLogService.WriteAuditLog(
+		fmt.Sprintf("Healthcheck config updated for database '%s'", database.Name),
+		&user.ID,
+		database.WorkspaceID,
+	)
+
 	return nil
 }
 
@@ -72,8 +91,16 @@ func (s *HealthcheckConfigService) GetByDatabaseID(
 		return nil, err
 	}
 
-	if database.UserID != user.ID {
-		return nil, errors.New("user does not have access to this database")
+	if database.WorkspaceID == nil {
+		return nil, errors.New("cannot access healthcheck config for databases without workspace")
+	}
+
+	canAccess, _, err := s.workspaceService.CanUserAccessWorkspace(*database.WorkspaceID, &user)
+	if err != nil {
+		return nil, err
+	}
+	if !canAccess {
+		return nil, errors.New("insufficient permissions to view healthcheck config")
 	}
 
 	config, err := s.healthcheckConfigRepository.GetByDatabaseID(database.ID)

backend/internal/features/intervals/model.go

@@ -64,6 +64,16 @@ func (i *Interval) ShouldTriggerBackup(now time.Time, lastBackupTime *time.Time)
 	}
 }
 
+func (i *Interval) Copy() *Interval {
+	return &Interval{
+		ID:         uuid.Nil,
+		Interval:   i.Interval,
+		TimeOfDay:  i.TimeOfDay,
+		Weekday:    i.Weekday,
+		DayOfMonth: i.DayOfMonth,
+	}
+}
+
 // daily trigger: honour the TimeOfDay slot and catch up the previous one
 func (i *Interval) shouldTriggerDaily(now, lastBackup time.Time) bool {
 	if i.TimeOfDay == nil {

backend/internal/features/notifiers/controller.go

@@ -2,15 +2,16 @@ package notifiers
 
 import (
 	"net/http"
-	"postgresus-backend/internal/features/users"
+	users_middleware "postgresus-backend/internal/features/users/middleware"
+	workspaces_services "postgresus-backend/internal/features/workspaces/services"
 
 	"github.com/gin-gonic/gin"
 	"github.com/google/uuid"
 )
 
 type NotifierController struct {
-	notifierService *NotifierService
-	userService     *users.UserService
+	notifierService  *NotifierService
+	workspaceService *workspaces_services.WorkspaceService
 }
 
 func (c *NotifierController) RegisterRoutes(router *gin.RouterGroup) {
@@ -29,35 +30,40 @@ func (c *NotifierController) RegisterRoutes(router *gin.RouterGroup) {
 // @Accept json
 // @Produce json
 // @Param Authorization header string true "JWT token"
-// @Param notifier body Notifier true "Notifier data"
+// @Param request body Notifier true "Notifier data with workspaceId"
 // @Success 200 {object} Notifier
 // @Failure 400
 // @Failure 401
+// @Failure 403
 // @Router /notifiers [post]
 func (c *NotifierController) SaveNotifier(ctx *gin.Context) {
-	user, err := c.userService.GetUserFromToken(ctx.GetHeader("Authorization"))
-	if err != nil {
-		ctx.JSON(http.StatusUnauthorized, gin.H{"error": err.Error()})
+	user, ok := users_middleware.GetUserFromContext(ctx)
+	if !ok {
+		ctx.JSON(http.StatusUnauthorized, gin.H{"error": "User not authenticated"})
 		return
 	}
 
-	var notifier Notifier
-	if err := ctx.ShouldBindJSON(&notifier); err != nil {
+	var request Notifier
+	if err := ctx.ShouldBindJSON(&request); err != nil {
 		ctx.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
 		return
 	}
 
-	if err := notifier.Validate(); err != nil {
+	if request.WorkspaceID == uuid.Nil {
+		ctx.JSON(http.StatusBadRequest, gin.H{"error": "workspaceId is required"})
+		return
+	}
+
+	if err := c.notifierService.SaveNotifier(user, request.WorkspaceID, &request); err != nil {
+		if err.Error() == "insufficient permissions to manage notifier in this workspace" {
+			ctx.JSON(http.StatusForbidden, gin.H{"error": err.Error()})
+			return
+		}
 		ctx.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
 		return
 	}
 
-	if err := c.notifierService.SaveNotifier(user, &notifier); err != nil {
-		ctx.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
-		return
-	}
-
-	ctx.JSON(http.StatusOK, notifier)
+	ctx.JSON(http.StatusOK, request)
 }
 
 // GetNotifier
@@ -70,11 +76,12 @@ func (c *NotifierController) SaveNotifier(ctx *gin.Context) {
 // @Success 200 {object} Notifier
 // @Failure 400
 // @Failure 401
+// @Failure 403
 // @Router /notifiers/{id} [get]
 func (c *NotifierController) GetNotifier(ctx *gin.Context) {
-	user, err := c.userService.GetUserFromToken(ctx.GetHeader("Authorization"))
-	if err != nil {
-		ctx.JSON(http.StatusUnauthorized, gin.H{"error": err.Error()})
+	user, ok := users_middleware.GetUserFromContext(ctx)
+	if !ok {
+		ctx.JSON(http.StatusUnauthorized, gin.H{"error": "User not authenticated"})
 		return
 	}
 
@@ -86,6 +93,10 @@ func (c *NotifierController) GetNotifier(ctx *gin.Context) {
 
 	notifier, err := c.notifierService.GetNotifier(user, id)
 	if err != nil {
+		if err.Error() == "insufficient permissions to view notifier in this workspace" {
+			ctx.JSON(http.StatusForbidden, gin.H{"error": err.Error()})
+			return
+		}
 		ctx.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
 		return
 	}
@@ -95,22 +106,41 @@ func (c *NotifierController) GetNotifier(ctx *gin.Context) {
 
 // GetNotifiers
 // @Summary Get all notifiers
-// @Description Get all notifiers for the current user
+// @Description Get all notifiers for a workspace
 // @Tags notifiers
 // @Produce json
 // @Param Authorization header string true "JWT token"
+// @Param workspace_id query string true "Workspace ID"
 // @Success 200 {array} Notifier
+// @Failure 400
 // @Failure 401
+// @Failure 403
 // @Router /notifiers [get]
 func (c *NotifierController) GetNotifiers(ctx *gin.Context) {
-	user, err := c.userService.GetUserFromToken(ctx.GetHeader("Authorization"))
-	if err != nil {
-		ctx.JSON(http.StatusUnauthorized, gin.H{"error": err.Error()})
+	user, ok := users_middleware.GetUserFromContext(ctx)
+	if !ok {
+		ctx.JSON(http.StatusUnauthorized, gin.H{"error": "User not authenticated"})
 		return
 	}
 
-	notifiers, err := c.notifierService.GetNotifiers(user)
+	workspaceIDStr := ctx.Query("workspace_id")
+	if workspaceIDStr == "" {
+		ctx.JSON(http.StatusBadRequest, gin.H{"error": "workspace_id query parameter is required"})
+		return
+	}
+
+	workspaceID, err := uuid.Parse(workspaceIDStr)
 	if err != nil {
+		ctx.JSON(http.StatusBadRequest, gin.H{"error": "invalid workspace_id"})
+		return
+	}
+
+	notifiers, err := c.notifierService.GetNotifiers(user, workspaceID)
+	if err != nil {
+		if err.Error() == "insufficient permissions to view notifiers in this workspace" {
+			ctx.JSON(http.StatusForbidden, gin.H{"error": err.Error()})
+			return
+		}
 		ctx.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
 		return
 	}
@@ -128,11 +158,12 @@ func (c *NotifierController) GetNotifiers(ctx *gin.Context) {
 // @Success 200
 // @Failure 400
 // @Failure 401
+// @Failure 403
 // @Router /notifiers/{id} [delete]
 func (c *NotifierController) DeleteNotifier(ctx *gin.Context) {
-	user, err := c.userService.GetUserFromToken(ctx.GetHeader("Authorization"))
-	if err != nil {
-		ctx.JSON(http.StatusUnauthorized, gin.H{"error": err.Error()})
+	user, ok := users_middleware.GetUserFromContext(ctx)
+	if !ok {
+		ctx.JSON(http.StatusUnauthorized, gin.H{"error": "User not authenticated"})
 		return
 	}
 
@@ -142,13 +173,11 @@ func (c *NotifierController) DeleteNotifier(ctx *gin.Context) {
 		return
 	}
 
-	notifier, err := c.notifierService.GetNotifier(user, id)
-	if err != nil {
-		ctx.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
-		return
-	}
-
-	if err := c.notifierService.DeleteNotifier(user, notifier.ID); err != nil {
+	if err := c.notifierService.DeleteNotifier(user, id); err != nil {
+		if err.Error() == "insufficient permissions to manage notifier in this workspace" {
+			ctx.JSON(http.StatusForbidden, gin.H{"error": err.Error()})
+			return
+		}
 		ctx.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
 		return
 	}
@@ -166,11 +195,12 @@ func (c *NotifierController) DeleteNotifier(ctx *gin.Context) {
 // @Success 200
 // @Failure 400
 // @Failure 401
+// @Failure 403
 // @Router /notifiers/{id}/test [post]
 func (c *NotifierController) SendTestNotification(ctx *gin.Context) {
-	user, err := c.userService.GetUserFromToken(ctx.GetHeader("Authorization"))
-	if err != nil {
-		ctx.JSON(http.StatusUnauthorized, gin.H{"error": err.Error()})
+	user, ok := users_middleware.GetUserFromContext(ctx)
+	if !ok {
+		ctx.JSON(http.StatusUnauthorized, gin.H{"error": "User not authenticated"})
 		return
 	}
 
@@ -181,6 +211,10 @@ func (c *NotifierController) SendTestNotification(ctx *gin.Context) {
 	}
 
 	if err := c.notifierService.SendTestNotification(user, id); err != nil {
+		if err.Error() == "insufficient permissions to test notifier in this workspace" {
+			ctx.JSON(http.StatusForbidden, gin.H{"error": err.Error()})
+			return
+		}
 		ctx.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
 		return
 	}
@@ -195,28 +229,44 @@ func (c *NotifierController) SendTestNotification(ctx *gin.Context) {
 // @Accept json
 // @Produce json
 // @Param Authorization header string true "JWT token"
-// @Param notifier body Notifier true "Notifier data"
+// @Param request body Notifier true "Notifier data with workspaceId"
 // @Success 200
 // @Failure 400
 // @Failure 401
+// @Failure 403
 // @Router /notifiers/direct-test [post]
 func (c *NotifierController) SendTestNotificationDirect(ctx *gin.Context) {
-	user, err := c.userService.GetUserFromToken(ctx.GetHeader("Authorization"))
-	if err != nil {
-		ctx.JSON(http.StatusUnauthorized, gin.H{"error": err.Error()})
+	user, ok := users_middleware.GetUserFromContext(ctx)
+	if !ok {
+		ctx.JSON(http.StatusUnauthorized, gin.H{"error": "User not authenticated"})
 		return
 	}
 
-	var notifier Notifier
-	if err := ctx.ShouldBindJSON(&notifier); err != nil {
+	var request Notifier
+	if err := ctx.ShouldBindJSON(&request); err != nil {
 		ctx.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
 		return
 	}
 
-	// For direct test, associate with the current user
-	notifier.UserID = user.ID
+	if request.WorkspaceID == uuid.Nil {
+		ctx.JSON(http.StatusBadRequest, gin.H{"error": "workspaceId is required"})
+		return
+	}
 
-	if err := c.notifierService.SendTestNotificationToNotifier(&notifier); err != nil {
+	canView, _, err := c.workspaceService.CanUserAccessWorkspace(request.WorkspaceID, user)
+	if err != nil {
+		ctx.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+		return
+	}
+	if !canView {
+		ctx.JSON(
+			http.StatusForbidden,
+			gin.H{"error": "insufficient permissions to test notifier in this workspace"},
+		)
+		return
+	}
+
+	if err := c.notifierService.SendTestNotificationToNotifier(&request); err != nil {
 		ctx.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
 		return
 	}

backend/internal/features/notifiers/controller_test.go

@@ -0,0 +1,815 @@
+package notifiers
+
+import (
+	"fmt"
+	"net/http"
+	"testing"
+
+	"postgresus-backend/internal/config"
+	audit_logs "postgresus-backend/internal/features/audit_logs"
+	discord_notifier "postgresus-backend/internal/features/notifiers/models/discord"
+	email_notifier "postgresus-backend/internal/features/notifiers/models/email_notifier"
+	slack_notifier "postgresus-backend/internal/features/notifiers/models/slack"
+	teams_notifier "postgresus-backend/internal/features/notifiers/models/teams"
+	telegram_notifier "postgresus-backend/internal/features/notifiers/models/telegram"
+	webhook_notifier "postgresus-backend/internal/features/notifiers/models/webhook"
+	users_enums "postgresus-backend/internal/features/users/enums"
+	users_middleware "postgresus-backend/internal/features/users/middleware"
+	users_services "postgresus-backend/internal/features/users/services"
+	users_testing "postgresus-backend/internal/features/users/testing"
+	workspaces_controllers "postgresus-backend/internal/features/workspaces/controllers"
+	workspaces_testing "postgresus-backend/internal/features/workspaces/testing"
+	test_utils "postgresus-backend/internal/util/testing"
+
+	"github.com/gin-gonic/gin"
+	"github.com/google/uuid"
+	"github.com/stretchr/testify/assert"
+)
+
+func Test_SaveNewNotifier_NotifierReturnedViaGet(t *testing.T) {
+	owner := users_testing.CreateTestUser(users_enums.UserRoleMember)
+	router := createRouter()
+	workspace := workspaces_testing.CreateTestWorkspace("Test Workspace", owner, router)
+
+	notifier := createNewNotifier(workspace.ID)
+
+	var savedNotifier Notifier
+	test_utils.MakePostRequestAndUnmarshal(
+		t,
+		router,
+		"/api/v1/notifiers",
+		"Bearer "+owner.Token,
+		*notifier,
+		http.StatusOK,
+		&savedNotifier,
+	)
+
+	verifyNotifierData(t, notifier, &savedNotifier)
+	assert.NotEmpty(t, savedNotifier.ID)
+
+	// Verify notifier is returned via GET
+	var retrievedNotifier Notifier
+	test_utils.MakeGetRequestAndUnmarshal(
+		t,
+		router,
+		fmt.Sprintf("/api/v1/notifiers/%s", savedNotifier.ID.String()),
+		"Bearer "+owner.Token,
+		http.StatusOK,
+		&retrievedNotifier,
+	)
+
+	verifyNotifierData(t, &savedNotifier, &retrievedNotifier)
+
+	// Verify notifier is returned via GET all notifiers
+	var notifiers []Notifier
+	test_utils.MakeGetRequestAndUnmarshal(
+		t,
+		router,
+		fmt.Sprintf("/api/v1/notifiers?workspace_id=%s", workspace.ID.String()),
+		"Bearer "+owner.Token,
+		http.StatusOK,
+		&notifiers,
+	)
+
+	assert.Len(t, notifiers, 1)
+
+	deleteNotifier(t, router, savedNotifier.ID, workspace.ID, owner.Token)
+	workspaces_testing.RemoveTestWorkspace(workspace, router)
+}
+
+func Test_UpdateExistingNotifier_UpdatedNotifierReturnedViaGet(t *testing.T) {
+	owner := users_testing.CreateTestUser(users_enums.UserRoleMember)
+	router := createRouter()
+	workspace := workspaces_testing.CreateTestWorkspace("Test Workspace", owner, router)
+
+	notifier := createNewNotifier(workspace.ID)
+
+	var savedNotifier Notifier
+	test_utils.MakePostRequestAndUnmarshal(
+		t,
+		router,
+		"/api/v1/notifiers",
+		"Bearer "+owner.Token,
+		*notifier,
+		http.StatusOK,
+		&savedNotifier,
+	)
+
+	updatedName := "Updated Notifier " + uuid.New().String()
+	savedNotifier.Name = updatedName
+
+	var updatedNotifier Notifier
+	test_utils.MakePostRequestAndUnmarshal(
+		t,
+		router,
+		"/api/v1/notifiers",
+		"Bearer "+owner.Token,
+		savedNotifier,
+		http.StatusOK,
+		&updatedNotifier,
+	)
+
+	assert.Equal(t, updatedName, updatedNotifier.Name)
+	assert.Equal(t, savedNotifier.ID, updatedNotifier.ID)
+
+	deleteNotifier(t, router, updatedNotifier.ID, workspace.ID, owner.Token)
+	workspaces_testing.RemoveTestWorkspace(workspace, router)
+}
+
+func Test_DeleteNotifier_NotifierNotReturnedViaGet(t *testing.T) {
+	owner := users_testing.CreateTestUser(users_enums.UserRoleMember)
+	router := createRouter()
+	workspace := workspaces_testing.CreateTestWorkspace("Test Workspace", owner, router)
+
+	notifier := createNewNotifier(workspace.ID)
+
+	var savedNotifier Notifier
+	test_utils.MakePostRequestAndUnmarshal(
+		t,
+		router,
+		"/api/v1/notifiers",
+		"Bearer "+owner.Token,
+		*notifier,
+		http.StatusOK,
+		&savedNotifier,
+	)
+
+	test_utils.MakeDeleteRequest(
+		t,
+		router,
+		fmt.Sprintf("/api/v1/notifiers/%s", savedNotifier.ID.String()),
+		"Bearer "+owner.Token,
+		http.StatusOK,
+	)
+
+	response := test_utils.MakeGetRequest(
+		t,
+		router,
+		fmt.Sprintf("/api/v1/notifiers/%s", savedNotifier.ID.String()),
+		"Bearer "+owner.Token,
+		http.StatusBadRequest,
+	)
+
+	assert.Contains(t, string(response.Body), "error")
+	workspaces_testing.RemoveTestWorkspace(workspace, router)
+}
+
+func Test_SendTestNotificationDirect_NotificationSent(t *testing.T) {
+	owner := users_testing.CreateTestUser(users_enums.UserRoleMember)
+	router := createRouter()
+	workspace := workspaces_testing.CreateTestWorkspace("Test Workspace", owner, router)
+
+	notifier := createTelegramNotifier(workspace.ID)
+
+	response := test_utils.MakePostRequest(
+		t, router, "/api/v1/notifiers/direct-test", "Bearer "+owner.Token, *notifier, http.StatusOK,
+	)
+
+	assert.Contains(t, string(response.Body), "successful")
+	workspaces_testing.RemoveTestWorkspace(workspace, router)
+}
+
+func Test_SendTestNotificationExisting_NotificationSent(t *testing.T) {
+	owner := users_testing.CreateTestUser(users_enums.UserRoleMember)
+	router := createRouter()
+	workspace := workspaces_testing.CreateTestWorkspace("Test Workspace", owner, router)
+
+	notifier := createTelegramNotifier(workspace.ID)
+
+	var savedNotifier Notifier
+	test_utils.MakePostRequestAndUnmarshal(
+		t,
+		router,
+		"/api/v1/notifiers",
+		"Bearer "+owner.Token,
+		*notifier,
+		http.StatusOK,
+		&savedNotifier,
+	)
+
+	response := test_utils.MakePostRequest(
+		t,
+		router,
+		fmt.Sprintf("/api/v1/notifiers/%s/test", savedNotifier.ID.String()),
+		"Bearer "+owner.Token,
+		nil,
+		http.StatusOK,
+	)
+
+	assert.Contains(t, string(response.Body), "successful")
+
+	deleteNotifier(t, router, savedNotifier.ID, workspace.ID, owner.Token)
+	workspaces_testing.RemoveTestWorkspace(workspace, router)
+}
+
+func Test_ViewerCanViewNotifiers_ButCannotModify(t *testing.T) {
+	owner := users_testing.CreateTestUser(users_enums.UserRoleMember)
+	viewer := users_testing.CreateTestUser(users_enums.UserRoleMember)
+	router := createRouter()
+	workspace := workspaces_testing.CreateTestWorkspace("Test Workspace", owner, router)
+	workspaces_testing.AddMemberToWorkspace(
+		workspace,
+		viewer,
+		users_enums.WorkspaceRoleViewer,
+		owner.Token,
+		router,
+	)
+
+	notifier := createNewNotifier(workspace.ID)
+
+	var savedNotifier Notifier
+	test_utils.MakePostRequestAndUnmarshal(
+		t,
+		router,
+		"/api/v1/notifiers",
+		"Bearer "+owner.Token,
+		*notifier,
+		http.StatusOK,
+		&savedNotifier,
+	)
+
+	// Viewer can GET notifiers
+	var notifiers []Notifier
+	test_utils.MakeGetRequestAndUnmarshal(
+		t,
+		router,
+		fmt.Sprintf("/api/v1/notifiers?workspace_id=%s", workspace.ID.String()),
+		"Bearer "+viewer.Token,
+		http.StatusOK,
+		&notifiers,
+	)
+	assert.Len(t, notifiers, 1)
+
+	// Viewer cannot CREATE notifier
+	newNotifier := createNewNotifier(workspace.ID)
+	test_utils.MakePostRequest(
+		t, router, "/api/v1/notifiers", "Bearer "+viewer.Token, *newNotifier, http.StatusForbidden,
+	)
+
+	// Viewer cannot UPDATE notifier
+	savedNotifier.Name = "Updated by viewer"
+	test_utils.MakePostRequest(
+		t, router, "/api/v1/notifiers", "Bearer "+viewer.Token, savedNotifier, http.StatusForbidden,
+	)
+
+	// Viewer cannot DELETE notifier
+	test_utils.MakeDeleteRequest(
+		t,
+		router,
+		fmt.Sprintf("/api/v1/notifiers/%s", savedNotifier.ID.String()),
+		"Bearer "+viewer.Token,
+		http.StatusForbidden,
+	)
+
+	deleteNotifier(t, router, savedNotifier.ID, workspace.ID, owner.Token)
+	workspaces_testing.RemoveTestWorkspace(workspace, router)
+}
+
+func Test_MemberCanManageNotifiers(t *testing.T) {
+	owner := users_testing.CreateTestUser(users_enums.UserRoleMember)
+	member := users_testing.CreateTestUser(users_enums.UserRoleMember)
+	router := createRouter()
+	workspace := workspaces_testing.CreateTestWorkspace("Test Workspace", owner, router)
+	workspaces_testing.AddMemberToWorkspace(
+		workspace,
+		member,
+		users_enums.WorkspaceRoleMember,
+		owner.Token,
+		router,
+	)
+
+	notifier := createNewNotifier(workspace.ID)
+
+	// Member can CREATE notifier
+	var savedNotifier Notifier
+	test_utils.MakePostRequestAndUnmarshal(
+		t,
+		router,
+		"/api/v1/notifiers",
+		"Bearer "+member.Token,
+		*notifier,
+		http.StatusOK,
+		&savedNotifier,
+	)
+	assert.NotEmpty(t, savedNotifier.ID)
+
+	// Member can UPDATE notifier
+	savedNotifier.Name = "Updated by member"
+	var updatedNotifier Notifier
+	test_utils.MakePostRequestAndUnmarshal(
+		t,
+		router,
+		"/api/v1/notifiers",
+		"Bearer "+member.Token,
+		savedNotifier,
+		http.StatusOK,
+		&updatedNotifier,
+	)
+	assert.Equal(t, "Updated by member", updatedNotifier.Name)
+
+	// Member can DELETE notifier
+	test_utils.MakeDeleteRequest(
+		t,
+		router,
+		fmt.Sprintf("/api/v1/notifiers/%s", savedNotifier.ID.String()),
+		"Bearer "+member.Token,
+		http.StatusOK,
+	)
+
+	workspaces_testing.RemoveTestWorkspace(workspace, router)
+}
+
+func Test_AdminCanManageNotifiers(t *testing.T) {
+	owner := users_testing.CreateTestUser(users_enums.UserRoleMember)
+	admin := users_testing.CreateTestUser(users_enums.UserRoleMember)
+	router := createRouter()
+	workspace := workspaces_testing.CreateTestWorkspace("Test Workspace", owner, router)
+	workspaces_testing.AddMemberToWorkspace(
+		workspace,
+		admin,
+		users_enums.WorkspaceRoleAdmin,
+		owner.Token,
+		router,
+	)
+
+	notifier := createNewNotifier(workspace.ID)
+
+	// Admin can CREATE, UPDATE, DELETE
+	var savedNotifier Notifier
+	test_utils.MakePostRequestAndUnmarshal(
+		t,
+		router,
+		"/api/v1/notifiers",
+		"Bearer "+admin.Token,
+		*notifier,
+		http.StatusOK,
+		&savedNotifier,
+	)
+
+	savedNotifier.Name = "Updated by admin"
+	test_utils.MakePostRequest(
+		t, router, "/api/v1/notifiers", "Bearer "+admin.Token, savedNotifier, http.StatusOK,
+	)
+
+	test_utils.MakeDeleteRequest(
+		t,
+		router,
+		fmt.Sprintf("/api/v1/notifiers/%s", savedNotifier.ID.String()),
+		"Bearer "+admin.Token,
+		http.StatusOK,
+	)
+
+	workspaces_testing.RemoveTestWorkspace(workspace, router)
+}
+
+func Test_UserNotInWorkspace_CannotAccessNotifiers(t *testing.T) {
+	owner := users_testing.CreateTestUser(users_enums.UserRoleMember)
+	outsider := users_testing.CreateTestUser(users_enums.UserRoleMember)
+	router := createRouter()
+	workspace := workspaces_testing.CreateTestWorkspace("Test Workspace", owner, router)
+
+	notifier := createNewNotifier(workspace.ID)
+
+	var savedNotifier Notifier
+	test_utils.MakePostRequestAndUnmarshal(
+		t,
+		router,
+		"/api/v1/notifiers",
+		"Bearer "+owner.Token,
+		*notifier,
+		http.StatusOK,
+		&savedNotifier,
+	)
+
+	// Outsider cannot GET notifiers
+	test_utils.MakeGetRequest(
+		t,
+		router,
+		fmt.Sprintf("/api/v1/notifiers?workspace_id=%s", workspace.ID.String()),
+		"Bearer "+outsider.Token,
+		http.StatusForbidden,
+	)
+
+	// Outsider cannot CREATE notifier
+	test_utils.MakePostRequest(
+		t, router, "/api/v1/notifiers", "Bearer "+outsider.Token, *notifier, http.StatusForbidden,
+	)
+
+	// Outsider cannot UPDATE notifier
+	test_utils.MakePostRequest(
+		t,
+		router,
+		"/api/v1/notifiers",
+		"Bearer "+outsider.Token,
+		savedNotifier,
+		http.StatusForbidden,
+	)
+
+	// Outsider cannot DELETE notifier
+	test_utils.MakeDeleteRequest(
+		t,
+		router,
+		fmt.Sprintf("/api/v1/notifiers/%s", savedNotifier.ID.String()),
+		"Bearer "+outsider.Token,
+		http.StatusForbidden,
+	)
+
+	deleteNotifier(t, router, savedNotifier.ID, workspace.ID, owner.Token)
+	workspaces_testing.RemoveTestWorkspace(workspace, router)
+}
+
+func Test_CrossWorkspaceSecurity_CannotAccessNotifierFromAnotherWorkspace(t *testing.T) {
+	owner1 := users_testing.CreateTestUser(users_enums.UserRoleMember)
+	owner2 := users_testing.CreateTestUser(users_enums.UserRoleMember)
+	router := createRouter()
+	workspace1 := workspaces_testing.CreateTestWorkspace("Workspace 1", owner1, router)
+	workspace2 := workspaces_testing.CreateTestWorkspace("Workspace 2", owner2, router)
+
+	notifier1 := createNewNotifier(workspace1.ID)
+
+	var savedNotifier Notifier
+	test_utils.MakePostRequestAndUnmarshal(
+		t,
+		router,
+		"/api/v1/notifiers",
+		"Bearer "+owner1.Token,
+		*notifier1,
+		http.StatusOK,
+		&savedNotifier,
+	)
+
+	// Try to access workspace1's notifier with owner2 from workspace2
+	response := test_utils.MakeGetRequest(
+		t,
+		router,
+		fmt.Sprintf("/api/v1/notifiers/%s", savedNotifier.ID.String()),
+		"Bearer "+owner2.Token,
+		http.StatusForbidden,
+	)
+	assert.Contains(t, string(response.Body), "insufficient permissions")
+
+	deleteNotifier(t, router, savedNotifier.ID, workspace1.ID, owner1.Token)
+	workspaces_testing.RemoveTestWorkspace(workspace1, router)
+	workspaces_testing.RemoveTestWorkspace(workspace2, router)
+}
+
+func createRouter() *gin.Engine {
+	gin.SetMode(gin.TestMode)
+	router := gin.New()
+
+	v1 := router.Group("/api/v1")
+	protected := v1.Group("").Use(users_middleware.AuthMiddleware(users_services.GetUserService()))
+
+	if routerGroup, ok := protected.(*gin.RouterGroup); ok {
+		GetNotifierController().RegisterRoutes(routerGroup)
+		workspaces_controllers.GetWorkspaceController().RegisterRoutes(routerGroup)
+		workspaces_controllers.GetMembershipController().RegisterRoutes(routerGroup)
+	}
+
+	audit_logs.SetupDependencies()
+
+	return router
+}
+
+func createNewNotifier(workspaceID uuid.UUID) *Notifier {
+	return &Notifier{
+		WorkspaceID:  workspaceID,
+		Name:         "Test Notifier " + uuid.New().String(),
+		NotifierType: NotifierTypeWebhook,
+		WebhookNotifier: &webhook_notifier.WebhookNotifier{
+			WebhookURL:    "https://webhook.site/test-" + uuid.New().String(),
+			WebhookMethod: webhook_notifier.WebhookMethodPOST,
+		},
+	}
+}
+
+func createTelegramNotifier(workspaceID uuid.UUID) *Notifier {
+	env := config.GetEnv()
+	return &Notifier{
+		WorkspaceID:  workspaceID,
+		Name:         "Test Telegram Notifier " + uuid.New().String(),
+		NotifierType: NotifierTypeTelegram,
+		TelegramNotifier: &telegram_notifier.TelegramNotifier{
+			BotToken:     env.TestTelegramBotToken,
+			TargetChatID: env.TestTelegramChatID,
+		},
+	}
+}
+
+func verifyNotifierData(t *testing.T, expected *Notifier, actual *Notifier) {
+	assert.Equal(t, expected.Name, actual.Name)
+	assert.Equal(t, expected.NotifierType, actual.NotifierType)
+	assert.Equal(t, expected.WorkspaceID, actual.WorkspaceID)
+}
+
+func deleteNotifier(
+	t *testing.T,
+	router *gin.Engine,
+	notifierID, workspaceID uuid.UUID,
+	token string,
+) {
+	test_utils.MakeDeleteRequest(
+		t,
+		router,
+		fmt.Sprintf("/api/v1/notifiers/%s", notifierID.String()),
+		"Bearer "+token,
+		http.StatusOK,
+	)
+}
+
+func Test_NotifierSensitiveDataLifecycle_AllTypes(t *testing.T) {
+	testCases := []struct {
+		name                string
+		notifierType        NotifierType
+		createNotifier      func(workspaceID uuid.UUID) *Notifier
+		updateNotifier      func(workspaceID uuid.UUID, notifierID uuid.UUID) *Notifier
+		verifySensitiveData func(t *testing.T, notifier *Notifier)
+		verifyHiddenData    func(t *testing.T, notifier *Notifier)
+	}{
+		{
+			name:         "Telegram Notifier",
+			notifierType: NotifierTypeTelegram,
+			createNotifier: func(workspaceID uuid.UUID) *Notifier {
+				return &Notifier{
+					WorkspaceID:  workspaceID,
+					Name:         "Test Telegram Notifier",
+					NotifierType: NotifierTypeTelegram,
+					TelegramNotifier: &telegram_notifier.TelegramNotifier{
+						BotToken:     "original-bot-token-12345",
+						TargetChatID: "123456789",
+					},
+				}
+			},
+			updateNotifier: func(workspaceID uuid.UUID, notifierID uuid.UUID) *Notifier {
+				return &Notifier{
+					ID:           notifierID,
+					WorkspaceID:  workspaceID,
+					Name:         "Updated Telegram Notifier",
+					NotifierType: NotifierTypeTelegram,
+					TelegramNotifier: &telegram_notifier.TelegramNotifier{
+						BotToken:     "",
+						TargetChatID: "987654321",
+					},
+				}
+			},
+			verifySensitiveData: func(t *testing.T, notifier *Notifier) {
+				assert.Equal(t, "original-bot-token-12345", notifier.TelegramNotifier.BotToken)
+			},
+			verifyHiddenData: func(t *testing.T, notifier *Notifier) {
+				assert.Equal(t, "", notifier.TelegramNotifier.BotToken)
+			},
+		},
+		{
+			name:         "Email Notifier",
+			notifierType: NotifierTypeEmail,
+			createNotifier: func(workspaceID uuid.UUID) *Notifier {
+				return &Notifier{
+					WorkspaceID:  workspaceID,
+					Name:         "Test Email Notifier",
+					NotifierType: NotifierTypeEmail,
+					EmailNotifier: &email_notifier.EmailNotifier{
+						TargetEmail:  "test@example.com",
+						SMTPHost:     "smtp.example.com",
+						SMTPPort:     587,
+						SMTPUser:     "user@example.com",
+						SMTPPassword: "original-password-secret",
+					},
+				}
+			},
+			updateNotifier: func(workspaceID uuid.UUID, notifierID uuid.UUID) *Notifier {
+				return &Notifier{
+					ID:           notifierID,
+					WorkspaceID:  workspaceID,
+					Name:         "Updated Email Notifier",
+					NotifierType: NotifierTypeEmail,
+					EmailNotifier: &email_notifier.EmailNotifier{
+						TargetEmail:  "updated@example.com",
+						SMTPHost:     "smtp.newhost.com",
+						SMTPPort:     465,
+						SMTPUser:     "newuser@example.com",
+						SMTPPassword: "",
+					},
+				}
+			},
+			verifySensitiveData: func(t *testing.T, notifier *Notifier) {
+				assert.Equal(t, "original-password-secret", notifier.EmailNotifier.SMTPPassword)
+			},
+			verifyHiddenData: func(t *testing.T, notifier *Notifier) {
+				assert.Equal(t, "", notifier.EmailNotifier.SMTPPassword)
+			},
+		},
+		{
+			name:         "Slack Notifier",
+			notifierType: NotifierTypeSlack,
+			createNotifier: func(workspaceID uuid.UUID) *Notifier {
+				return &Notifier{
+					WorkspaceID:  workspaceID,
+					Name:         "Test Slack Notifier",
+					NotifierType: NotifierTypeSlack,
+					SlackNotifier: &slack_notifier.SlackNotifier{
+						BotToken:     "xoxb-original-slack-token",
+						TargetChatID: "C123456",
+					},
+				}
+			},
+			updateNotifier: func(workspaceID uuid.UUID, notifierID uuid.UUID) *Notifier {
+				return &Notifier{
+					ID:           notifierID,
+					WorkspaceID:  workspaceID,
+					Name:         "Updated Slack Notifier",
+					NotifierType: NotifierTypeSlack,
+					SlackNotifier: &slack_notifier.SlackNotifier{
+						BotToken:     "",
+						TargetChatID: "C789012",
+					},
+				}
+			},
+			verifySensitiveData: func(t *testing.T, notifier *Notifier) {
+				assert.Equal(t, "xoxb-original-slack-token", notifier.SlackNotifier.BotToken)
+			},
+			verifyHiddenData: func(t *testing.T, notifier *Notifier) {
+				assert.Equal(t, "", notifier.SlackNotifier.BotToken)
+			},
+		},
+		{
+			name:         "Discord Notifier",
+			notifierType: NotifierTypeDiscord,
+			createNotifier: func(workspaceID uuid.UUID) *Notifier {
+				return &Notifier{
+					WorkspaceID:  workspaceID,
+					Name:         "Test Discord Notifier",
+					NotifierType: NotifierTypeDiscord,
+					DiscordNotifier: &discord_notifier.DiscordNotifier{
+						ChannelWebhookURL: "https://discord.com/api/webhooks/123/original-token",
+					},
+				}
+			},
+			updateNotifier: func(workspaceID uuid.UUID, notifierID uuid.UUID) *Notifier {
+				return &Notifier{
+					ID:           notifierID,
+					WorkspaceID:  workspaceID,
+					Name:         "Updated Discord Notifier",
+					NotifierType: NotifierTypeDiscord,
+					DiscordNotifier: &discord_notifier.DiscordNotifier{
+						ChannelWebhookURL: "",
+					},
+				}
+			},
+			verifySensitiveData: func(t *testing.T, notifier *Notifier) {
+				assert.Equal(
+					t,
+					"https://discord.com/api/webhooks/123/original-token",
+					notifier.DiscordNotifier.ChannelWebhookURL,
+				)
+			},
+			verifyHiddenData: func(t *testing.T, notifier *Notifier) {
+				assert.Equal(t, "", notifier.DiscordNotifier.ChannelWebhookURL)
+			},
+		},
+		{
+			name:         "Teams Notifier",
+			notifierType: NotifierTypeTeams,
+			createNotifier: func(workspaceID uuid.UUID) *Notifier {
+				return &Notifier{
+					WorkspaceID:  workspaceID,
+					Name:         "Test Teams Notifier",
+					NotifierType: NotifierTypeTeams,
+					TeamsNotifier: &teams_notifier.TeamsNotifier{
+						WebhookURL: "https://outlook.office.com/webhook/original-token",
+					},
+				}
+			},
+			updateNotifier: func(workspaceID uuid.UUID, notifierID uuid.UUID) *Notifier {
+				return &Notifier{
+					ID:           notifierID,
+					WorkspaceID:  workspaceID,
+					Name:         "Updated Teams Notifier",
+					NotifierType: NotifierTypeTeams,
+					TeamsNotifier: &teams_notifier.TeamsNotifier{
+						WebhookURL: "",
+					},
+				}
+			},
+			verifySensitiveData: func(t *testing.T, notifier *Notifier) {
+				assert.Equal(
+					t,
+					"https://outlook.office.com/webhook/original-token",
+					notifier.TeamsNotifier.WebhookURL,
+				)
+			},
+			verifyHiddenData: func(t *testing.T, notifier *Notifier) {
+				assert.Equal(t, "", notifier.TeamsNotifier.WebhookURL)
+			},
+		},
+		{
+			name:         "Webhook Notifier",
+			notifierType: NotifierTypeWebhook,
+			createNotifier: func(workspaceID uuid.UUID) *Notifier {
+				return &Notifier{
+					WorkspaceID:  workspaceID,
+					Name:         "Test Webhook Notifier",
+					NotifierType: NotifierTypeWebhook,
+					WebhookNotifier: &webhook_notifier.WebhookNotifier{
+						WebhookURL:    "https://webhook.example.com/test",
+						WebhookMethod: webhook_notifier.WebhookMethodPOST,
+					},
+				}
+			},
+			updateNotifier: func(workspaceID uuid.UUID, notifierID uuid.UUID) *Notifier {
+				return &Notifier{
+					ID:           notifierID,
+					WorkspaceID:  workspaceID,
+					Name:         "Updated Webhook Notifier",
+					NotifierType: NotifierTypeWebhook,
+					WebhookNotifier: &webhook_notifier.WebhookNotifier{
+						WebhookURL:    "https://webhook.example.com/updated",
+						WebhookMethod: webhook_notifier.WebhookMethodGET,
+					},
+				}
+			},
+			verifySensitiveData: func(t *testing.T, notifier *Notifier) {
+				// No sensitive data to verify for webhook
+			},
+			verifyHiddenData: func(t *testing.T, notifier *Notifier) {
+				// No sensitive data to hide for webhook
+			},
+		},
+	}
+
+	for _, tc := range testCases {
+		t.Run(tc.name, func(t *testing.T) {
+			owner := users_testing.CreateTestUser(users_enums.UserRoleMember)
+			router := createRouter()
+			workspace := workspaces_testing.CreateTestWorkspace("Test Workspace", owner, router)
+
+			// Phase 1: Create notifier with sensitive data
+			initialNotifier := tc.createNotifier(workspace.ID)
+			var createdNotifier Notifier
+			test_utils.MakePostRequestAndUnmarshal(
+				t,
+				router,
+				"/api/v1/notifiers",
+				"Bearer "+owner.Token,
+				*initialNotifier,
+				http.StatusOK,
+				&createdNotifier,
+			)
+			assert.NotEmpty(t, createdNotifier.ID)
+			assert.Equal(t, initialNotifier.Name, createdNotifier.Name)
+
+			// Phase 2: Read via service - sensitive data should be hidden
+			var retrievedNotifier Notifier
+			test_utils.MakeGetRequestAndUnmarshal(
+				t,
+				router,
+				fmt.Sprintf("/api/v1/notifiers/%s", createdNotifier.ID.String()),
+				"Bearer "+owner.Token,
+				http.StatusOK,
+				&retrievedNotifier,
+			)
+			tc.verifyHiddenData(t, &retrievedNotifier)
+			assert.Equal(t, initialNotifier.Name, retrievedNotifier.Name)
+
+			// Phase 3: Update with non-sensitive changes only (sensitive fields empty)
+			updatedNotifier := tc.updateNotifier(workspace.ID, createdNotifier.ID)
+			var updateResponse Notifier
+			test_utils.MakePostRequestAndUnmarshal(
+				t,
+				router,
+				"/api/v1/notifiers",
+				"Bearer "+owner.Token,
+				*updatedNotifier,
+				http.StatusOK,
+				&updateResponse,
+			)
+			// Verify non-sensitive fields were updated
+			assert.Equal(t, updatedNotifier.Name, updateResponse.Name)
+
+			// Phase 4: Retrieve directly from repository to verify sensitive data preservation
+			repository := &NotifierRepository{}
+			notifierFromDB, err := repository.FindByID(createdNotifier.ID)
+			assert.NoError(t, err)
+
+			// Verify original sensitive data is still present in DB
+			tc.verifySensitiveData(t, notifierFromDB)
+
+			// Verify non-sensitive fields were updated in DB
+			assert.Equal(t, updatedNotifier.Name, notifierFromDB.Name)
+
+			// Phase 5: Additional verification - Check via GET that data is still hidden
+			var finalRetrieved Notifier
+			test_utils.MakeGetRequestAndUnmarshal(
+				t,
+				router,
+				fmt.Sprintf("/api/v1/notifiers/%s", createdNotifier.ID.String()),
+				"Bearer "+owner.Token,
+				http.StatusOK,
+				&finalRetrieved,
+			)
+			tc.verifyHiddenData(t, &finalRetrieved)
+
+			deleteNotifier(t, router, createdNotifier.ID, workspace.ID, owner.Token)
+			workspaces_testing.RemoveTestWorkspace(workspace, router)
+		})
+	}
+}

backend/internal/features/notifiers/di.go

@@ -1,7 +1,8 @@
 package notifiers
 
 import (
-	"postgresus-backend/internal/features/users"
+	audit_logs "postgresus-backend/internal/features/audit_logs"
+	workspaces_services "postgresus-backend/internal/features/workspaces/services"
 	"postgresus-backend/internal/util/logger"
 )
 
@@ -9,10 +10,12 @@ var notifierRepository = &NotifierRepository{}
 var notifierService = &NotifierService{
 	notifierRepository,
 	logger.GetLogger(),
+	workspaces_services.GetWorkspaceService(),
+	audit_logs.GetAuditLogService(),
 }
 var notifierController = &NotifierController{
 	notifierService,
-	users.GetUserService(),
+	workspaces_services.GetWorkspaceService(),
 }
 
 func GetNotifierController() *NotifierController {
@@ -22,3 +25,10 @@ func GetNotifierController() *NotifierController {
 func GetNotifierService() *NotifierService {
 	return notifierService
 }
+
+func GetNotifierRepository() *NotifierRepository {
+	return notifierRepository
+}
+func SetupDependencies() {
+	workspaces_services.GetWorkspaceService().AddWorkspaceDeletionListener(notifierService)
+}

backend/internal/features/notifiers/enums.go

@@ -8,4 +8,5 @@ const (
 	NotifierTypeWebhook  NotifierType = "WEBHOOK"
 	NotifierTypeSlack    NotifierType = "SLACK"
 	NotifierTypeDiscord  NotifierType = "DISCORD"
+	NotifierTypeTeams    NotifierType = "TEAMS"
 )

backend/internal/features/notifiers/interfaces.go

@@ -6,4 +6,6 @@ type NotificationSender interface {
 	Send(logger *slog.Logger, heading string, message string) error
 
 	Validate() error
+
+	HideSensitiveData()
 }

backend/internal/features/notifiers/model.go

@@ -6,6 +6,7 @@ import (
 	discord_notifier "postgresus-backend/internal/features/notifiers/models/discord"
 	"postgresus-backend/internal/features/notifiers/models/email_notifier"
 	slack_notifier "postgresus-backend/internal/features/notifiers/models/slack"
+	teams_notifier "postgresus-backend/internal/features/notifiers/models/teams"
 	telegram_notifier "postgresus-backend/internal/features/notifiers/models/telegram"
 	webhook_notifier "postgresus-backend/internal/features/notifiers/models/webhook"
 
@@ -14,17 +15,18 @@ import (
 
 type Notifier struct {
 	ID            uuid.UUID    `json:"id"            gorm:"column:id;primaryKey;type:uuid;default:gen_random_uuid()"`
-	UserID        uuid.UUID    `json:"userId"        gorm:"column:user_id;not null;type:uuid;index"`
+	WorkspaceID   uuid.UUID    `json:"workspaceId"   gorm:"column:workspace_id;not null;type:uuid;index"`
 	Name          string       `json:"name"          gorm:"column:name;not null;type:varchar(255)"`
 	NotifierType  NotifierType `json:"notifierType"  gorm:"column:notifier_type;not null;type:varchar(50)"`
 	LastSendError *string      `json:"lastSendError" gorm:"column:last_send_error;type:text"`
 
 	// specific notifier
-	TelegramNotifier *telegram_notifier.TelegramNotifier `json:"telegramNotifier" gorm:"foreignKey:NotifierID"`
-	EmailNotifier    *email_notifier.EmailNotifier       `json:"emailNotifier"    gorm:"foreignKey:NotifierID"`
-	WebhookNotifier  *webhook_notifier.WebhookNotifier   `json:"webhookNotifier"  gorm:"foreignKey:NotifierID"`
-	SlackNotifier    *slack_notifier.SlackNotifier       `json:"slackNotifier"    gorm:"foreignKey:NotifierID"`
-	DiscordNotifier  *discord_notifier.DiscordNotifier   `json:"discordNotifier"  gorm:"foreignKey:NotifierID"`
+	TelegramNotifier *telegram_notifier.TelegramNotifier `json:"telegramNotifier"        gorm:"foreignKey:NotifierID"`
+	EmailNotifier    *email_notifier.EmailNotifier       `json:"emailNotifier"           gorm:"foreignKey:NotifierID"`
+	WebhookNotifier  *webhook_notifier.WebhookNotifier   `json:"webhookNotifier"         gorm:"foreignKey:NotifierID"`
+	SlackNotifier    *slack_notifier.SlackNotifier       `json:"slackNotifier"           gorm:"foreignKey:NotifierID"`
+	DiscordNotifier  *discord_notifier.DiscordNotifier   `json:"discordNotifier"         gorm:"foreignKey:NotifierID"`
+	TeamsNotifier    *teams_notifier.TeamsNotifier       `json:"teamsNotifier,omitempty" gorm:"foreignKey:NotifierID;constraint:OnDelete:CASCADE"`
 }
 
 func (n *Notifier) TableName() string {
@@ -52,6 +54,42 @@ func (n *Notifier) Send(logger *slog.Logger, heading string, message string) err
 	return err
 }
 
+func (n *Notifier) HideSensitiveData() {
+	n.getSpecificNotifier().HideSensitiveData()
+}
+
+func (n *Notifier) Update(incoming *Notifier) {
+	n.Name = incoming.Name
+	n.NotifierType = incoming.NotifierType
+
+	switch n.NotifierType {
+	case NotifierTypeTelegram:
+		if n.TelegramNotifier != nil && incoming.TelegramNotifier != nil {
+			n.TelegramNotifier.Update(incoming.TelegramNotifier)
+		}
+	case NotifierTypeEmail:
+		if n.EmailNotifier != nil && incoming.EmailNotifier != nil {
+			n.EmailNotifier.Update(incoming.EmailNotifier)
+		}
+	case NotifierTypeWebhook:
+		if n.WebhookNotifier != nil && incoming.WebhookNotifier != nil {
+			n.WebhookNotifier.Update(incoming.WebhookNotifier)
+		}
+	case NotifierTypeSlack:
+		if n.SlackNotifier != nil && incoming.SlackNotifier != nil {
+			n.SlackNotifier.Update(incoming.SlackNotifier)
+		}
+	case NotifierTypeDiscord:
+		if n.DiscordNotifier != nil && incoming.DiscordNotifier != nil {
+			n.DiscordNotifier.Update(incoming.DiscordNotifier)
+		}
+	case NotifierTypeTeams:
+		if n.TeamsNotifier != nil && incoming.TeamsNotifier != nil {
+			n.TeamsNotifier.Update(incoming.TeamsNotifier)
+		}
+	}
+}
+
 func (n *Notifier) getSpecificNotifier() NotificationSender {
 	switch n.NotifierType {
 	case NotifierTypeTelegram:
@@ -64,6 +102,8 @@ func (n *Notifier) getSpecificNotifier() NotificationSender {
 		return n.SlackNotifier
 	case NotifierTypeDiscord:
 		return n.DiscordNotifier
+	case NotifierTypeTeams:
+		return n.TeamsNotifier
 	default:
 		panic("unknown notifier type: " + string(n.NotifierType))
 	}

backend/internal/features/notifiers/models/discord/model.go

@@ -71,3 +71,13 @@ func (d *DiscordNotifier) Send(logger *slog.Logger, heading string, message stri
 
 	return nil
 }
+
+func (d *DiscordNotifier) HideSensitiveData() {
+	d.ChannelWebhookURL = ""
+}
+
+func (d *DiscordNotifier) Update(incoming *DiscordNotifier) {
+	if incoming.ChannelWebhookURL != "" {
+		d.ChannelWebhookURL = incoming.ChannelWebhookURL
+	}
+}

backend/internal/features/notifiers/models/email_notifier/model.go

@@ -27,6 +27,7 @@ type EmailNotifier struct {
 	SMTPPort     int       `json:"smtpPort"     gorm:"not null;column:smtp_port"`
 	SMTPUser     string    `json:"smtpUser"     gorm:"type:varchar(255);column:smtp_user"`
 	SMTPPassword string    `json:"smtpPassword" gorm:"type:varchar(255);column:smtp_password"`
+	From         string    `json:"from"         gorm:"type:varchar(255);column:from_email"`
 }
 
 func (e *EmailNotifier) TableName() string {
@@ -56,9 +57,12 @@ func (e *EmailNotifier) Validate() error {
 
 func (e *EmailNotifier) Send(logger *slog.Logger, heading string, message string) error {
 	// Compose email
-	from := e.SMTPUser
+	from := e.From
 	if from == "" {
-		from = "noreply@" + e.SMTPHost
+		from = e.SMTPUser
+		if from == "" {
+			from = "noreply@" + e.SMTPHost
+		}
 	}
 
 	to := []string{e.TargetEmail}
@@ -72,9 +76,10 @@ func (e *EmailNotifier) Send(logger *slog.Logger, heading string, message string
 	)
 	body := message
 	fromHeader := fmt.Sprintf("From: %s\r\n", from)
+	toHeader := fmt.Sprintf("To: %s\r\n", e.TargetEmail)
 
 	// Combine all parts of the email
-	emailContent := []byte(fromHeader + subject + mime + body)
+	emailContent := []byte(fromHeader + toHeader + subject + mime + body)
 
 	addr := net.JoinHostPort(e.SMTPHost, fmt.Sprintf("%d", e.SMTPPort))
 	timeout := DefaultTimeout
@@ -208,3 +213,19 @@ func (e *EmailNotifier) Send(logger *slog.Logger, heading string, message string
 		return client.Quit()
 	}
 }
+
+func (e *EmailNotifier) HideSensitiveData() {
+	e.SMTPPassword = ""
+}
+
+func (e *EmailNotifier) Update(incoming *EmailNotifier) {
+	e.TargetEmail = incoming.TargetEmail
+	e.SMTPHost = incoming.SMTPHost
+	e.SMTPPort = incoming.SMTPPort
+	e.SMTPUser = incoming.SMTPUser
+	e.From = incoming.From
+
+	if incoming.SMTPPassword != "" {
+		e.SMTPPassword = incoming.SMTPPassword
+	}
+}

backend/internal/features/notifiers/models/slack/model.go

@@ -132,3 +132,15 @@ func (s *SlackNotifier) Send(logger *slog.Logger, heading, message string) error
 		return nil
 	}
 }
+
+func (s *SlackNotifier) HideSensitiveData() {
+	s.BotToken = ""
+}
+
+func (s *SlackNotifier) Update(incoming *SlackNotifier) {
+	s.TargetChatID = incoming.TargetChatID
+
+	if incoming.BotToken != "" {
+		s.BotToken = incoming.BotToken
+	}
+}

backend/internal/features/notifiers/models/teams/model.go

@@ -0,0 +1,106 @@
+package teams_notifier
+
+import (
+	"bytes"
+	"encoding/json"
+	"errors"
+	"fmt"
+	"log/slog"
+	"net/http"
+	"net/url"
+
+	"github.com/google/uuid"
+)
+
+type TeamsNotifier struct {
+	NotifierID uuid.UUID `gorm:"type:uuid;primaryKey;column:notifier_id"      json:"notifierId"`
+	WebhookURL string    `gorm:"type:text;not null;column:power_automate_url" json:"powerAutomateUrl"`
+}
+
+func (TeamsNotifier) TableName() string {
+	return "teams_notifiers"
+}
+
+func (n *TeamsNotifier) Validate() error {
+	if n.WebhookURL == "" {
+		return errors.New("webhook_url is required")
+	}
+	u, err := url.Parse(n.WebhookURL)
+	if err != nil || (u.Scheme != "http" && u.Scheme != "https") {
+		return errors.New("invalid webhook_url")
+	}
+	return nil
+}
+
+type cardAttachment struct {
+	ContentType string      `json:"contentType"`
+	Content     interface{} `json:"content"`
+}
+
+type payload struct {
+	Title       string           `json:"title"`
+	Text        string           `json:"text"`
+	Attachments []cardAttachment `json:"attachments,omitempty"`
+}
+
+func (n *TeamsNotifier) Send(logger *slog.Logger, heading, message string) error {
+	if err := n.Validate(); err != nil {
+		return err
+	}
+
+	card := map[string]any{
+		"type":    "AdaptiveCard",
+		"version": "1.4",
+		"body": []any{
+			map[string]any{
+				"type":   "TextBlock",
+				"size":   "Medium",
+				"weight": "Bolder",
+				"text":   heading,
+			},
+			map[string]any{"type": "TextBlock", "wrap": true, "text": message},
+		},
+	}
+
+	p := payload{
+		Title: heading,
+		Text:  message,
+		Attachments: []cardAttachment{
+			{ContentType: "application/vnd.microsoft.card.adaptive", Content: card},
+		},
+	}
+
+	body, _ := json.Marshal(p)
+	req, err := http.NewRequest(http.MethodPost, n.WebhookURL, bytes.NewReader(body))
+	if err != nil {
+		return err
+	}
+	req.Header.Set("Content-Type", "application/json")
+
+	resp, err := http.DefaultClient.Do(req)
+	if err != nil {
+		return err
+	}
+
+	defer func() {
+		if closeErr := resp.Body.Close(); closeErr != nil {
+			logger.Error("failed to close response body", "error", closeErr)
+		}
+	}()
+
+	if resp.StatusCode < 200 || resp.StatusCode >= 300 {
+		return fmt.Errorf("teams webhook returned status %d", resp.StatusCode)
+	}
+
+	return nil
+}
+
+func (n *TeamsNotifier) HideSensitiveData() {
+	n.WebhookURL = ""
+}
+
+func (n *TeamsNotifier) Update(incoming *TeamsNotifier) {
+	if incoming.WebhookURL != "" {
+		n.WebhookURL = incoming.WebhookURL
+	}
+}

backend/internal/features/notifiers/models/telegram/model.go

@@ -80,3 +80,16 @@ func (t *TelegramNotifier) Send(logger *slog.Logger, heading string, message str
 
 	return nil
 }
+
+func (t *TelegramNotifier) HideSensitiveData() {
+	t.BotToken = ""
+}
+
+func (t *TelegramNotifier) Update(incoming *TelegramNotifier) {
+	t.TargetChatID = incoming.TargetChatID
+	t.ThreadID = incoming.ThreadID
+
+	if incoming.BotToken != "" {
+		t.BotToken = incoming.BotToken
+	}
+}

backend/internal/features/notifiers/models/webhook/model.go

@@ -102,3 +102,11 @@ func (t *WebhookNotifier) Send(logger *slog.Logger, heading string, message stri
 		return fmt.Errorf("unsupported webhook method: %s", t.WebhookMethod)
 	}
 }
+
+func (t *WebhookNotifier) HideSensitiveData() {
+}
+
+func (t *WebhookNotifier) Update(incoming *WebhookNotifier) {
+	t.WebhookURL = incoming.WebhookURL
+	t.WebhookMethod = incoming.WebhookMethod
+}

backend/internal/features/notifiers/repository.go

@@ -13,6 +13,7 @@ func (r *NotifierRepository) Save(notifier *Notifier) (*Notifier, error) {
 	db := storage.GetDb()
 
 	err := db.Transaction(func(tx *gorm.DB) error {
+
 		switch notifier.NotifierType {
 		case NotifierTypeTelegram:
 			if notifier.TelegramNotifier != nil {
@@ -34,30 +35,36 @@ func (r *NotifierRepository) Save(notifier *Notifier) (*Notifier, error) {
 			if notifier.DiscordNotifier != nil {
 				notifier.DiscordNotifier.NotifierID = notifier.ID
 			}
+		case NotifierTypeTeams:
+			if notifier.TeamsNotifier != nil {
+				notifier.TeamsNotifier.NotifierID = notifier.ID
+			}
 		}
 
 		if notifier.ID == uuid.Nil {
-			if err := tx.Create(notifier).
+			if err := tx.
 				Omit(
 					"TelegramNotifier",
 					"EmailNotifier",
 					"WebhookNotifier",
 					"SlackNotifier",
 					"DiscordNotifier",
+					"TeamsNotifier",
 				).
-				Error; err != nil {
+				Create(notifier).Error; err != nil {
 				return err
 			}
 		} else {
-			if err := tx.Save(notifier).
+			if err := tx.
 				Omit(
 					"TelegramNotifier",
 					"EmailNotifier",
 					"WebhookNotifier",
 					"SlackNotifier",
 					"DiscordNotifier",
+					"TeamsNotifier",
 				).
-				Error; err != nil {
+				Save(notifier).Error; err != nil {
 				return err
 			}
 		}
@@ -65,39 +72,46 @@ func (r *NotifierRepository) Save(notifier *Notifier) (*Notifier, error) {
 		switch notifier.NotifierType {
 		case NotifierTypeTelegram:
 			if notifier.TelegramNotifier != nil {
-				notifier.TelegramNotifier.NotifierID = notifier.ID // Ensure ID is set
+				notifier.TelegramNotifier.NotifierID = notifier.ID
 				if err := tx.Save(notifier.TelegramNotifier).Error; err != nil {
 					return err
 				}
 			}
 		case NotifierTypeEmail:
 			if notifier.EmailNotifier != nil {
-				notifier.EmailNotifier.NotifierID = notifier.ID // Ensure ID is set
+				notifier.EmailNotifier.NotifierID = notifier.ID
 				if err := tx.Save(notifier.EmailNotifier).Error; err != nil {
 					return err
 				}
 			}
 		case NotifierTypeWebhook:
 			if notifier.WebhookNotifier != nil {
-				notifier.WebhookNotifier.NotifierID = notifier.ID // Ensure ID is set
+				notifier.WebhookNotifier.NotifierID = notifier.ID
 				if err := tx.Save(notifier.WebhookNotifier).Error; err != nil {
 					return err
 				}
 			}
 		case NotifierTypeSlack:
 			if notifier.SlackNotifier != nil {
-				notifier.SlackNotifier.NotifierID = notifier.ID // Ensure ID is set
+				notifier.SlackNotifier.NotifierID = notifier.ID
 				if err := tx.Save(notifier.SlackNotifier).Error; err != nil {
 					return err
 				}
 			}
 		case NotifierTypeDiscord:
 			if notifier.DiscordNotifier != nil {
-				notifier.DiscordNotifier.NotifierID = notifier.ID // Ensure ID is set
+				notifier.DiscordNotifier.NotifierID = notifier.ID
 				if err := tx.Save(notifier.DiscordNotifier).Error; err != nil {
 					return err
 				}
 			}
+		case NotifierTypeTeams:
+			if notifier.TeamsNotifier != nil {
+				notifier.TeamsNotifier.NotifierID = notifier.ID
+				if err := tx.Save(notifier.TeamsNotifier).Error; err != nil {
+					return err
+				}
+			}
 		}
 
 		return nil
@@ -120,6 +134,7 @@ func (r *NotifierRepository) FindByID(id uuid.UUID) (*Notifier, error) {
 		Preload("WebhookNotifier").
 		Preload("SlackNotifier").
 		Preload("DiscordNotifier").
+		Preload("TeamsNotifier").
 		Where("id = ?", id).
 		First(&notifier).Error; err != nil {
 		return nil, err
@@ -128,7 +143,7 @@ func (r *NotifierRepository) FindByID(id uuid.UUID) (*Notifier, error) {
 	return &notifier, nil
 }
 
-func (r *NotifierRepository) FindByUserID(userID uuid.UUID) ([]*Notifier, error) {
+func (r *NotifierRepository) FindByWorkspaceID(workspaceID uuid.UUID) ([]*Notifier, error) {
 	var notifiers []*Notifier
 
 	if err := storage.
@@ -138,7 +153,8 @@ func (r *NotifierRepository) FindByUserID(userID uuid.UUID) ([]*Notifier, error)
 		Preload("WebhookNotifier").
 		Preload("SlackNotifier").
 		Preload("DiscordNotifier").
-		Where("user_id = ?", userID).
+		Preload("TeamsNotifier").
+		Where("workspace_id = ?", workspaceID).
 		Order("name ASC").
 		Find(&notifiers).Error; err != nil {
 		return nil, err
@@ -149,7 +165,6 @@ func (r *NotifierRepository) FindByUserID(userID uuid.UUID) ([]*Notifier, error)
 
 func (r *NotifierRepository) Delete(notifier *Notifier) error {
 	return storage.GetDb().Transaction(func(tx *gorm.DB) error {
-		// Delete specific notifier based on type
 		switch notifier.NotifierType {
 		case NotifierTypeTelegram:
 			if notifier.TelegramNotifier != nil {
@@ -181,9 +196,14 @@ func (r *NotifierRepository) Delete(notifier *Notifier) error {
 					return err
 				}
 			}
+		case NotifierTypeTeams:
+			if notifier.TeamsNotifier != nil {
+				if err := tx.Delete(notifier.TeamsNotifier).Error; err != nil {
+					return err
+				}
+			}
 		}
 
-		// Delete the main notifier
 		return tx.Delete(notifier).Error
 	})
 }

backend/internal/features/notifiers/service.go

@@ -2,8 +2,12 @@ package notifiers
 
 import (
 	"errors"
+	"fmt"
 	"log/slog"
+
+	audit_logs "postgresus-backend/internal/features/audit_logs"
 	users_models "postgresus-backend/internal/features/users/models"
+	workspaces_services "postgresus-backend/internal/features/workspaces/services"
 
 	"github.com/google/uuid"
 )
@@ -11,30 +15,68 @@ import (
 type NotifierService struct {
 	notifierRepository *NotifierRepository
 	logger             *slog.Logger
+	workspaceService   *workspaces_services.WorkspaceService
+	auditLogService    *audit_logs.AuditLogService
 }
 
 func (s *NotifierService) SaveNotifier(
 	user *users_models.User,
+	workspaceID uuid.UUID,
 	notifier *Notifier,
 ) error {
-	if notifier.ID != uuid.Nil {
+	canManage, err := s.workspaceService.CanUserManageDBs(workspaceID, user)
+	if err != nil {
+		return err
+	}
+	if !canManage {
+		return errors.New("insufficient permissions to manage notifier in this workspace")
+	}
+
+	isUpdate := notifier.ID != uuid.Nil
+
+	if isUpdate {
 		existingNotifier, err := s.notifierRepository.FindByID(notifier.ID)
 		if err != nil {
 			return err
 		}
 
-		if existingNotifier.UserID != user.ID {
-			return errors.New("you have not access to this notifier")
+		if existingNotifier.WorkspaceID != workspaceID {
+			return errors.New("notifier does not belong to this workspace")
 		}
 
-		notifier.UserID = existingNotifier.UserID
-	} else {
-		notifier.UserID = user.ID
-	}
+		existingNotifier.Update(notifier)
 
-	_, err := s.notifierRepository.Save(notifier)
-	if err != nil {
-		return err
+		if err := existingNotifier.Validate(); err != nil {
+			return err
+		}
+
+		_, err = s.notifierRepository.Save(existingNotifier)
+		if err != nil {
+			return err
+		}
+
+		s.auditLogService.WriteAuditLog(
+			fmt.Sprintf("Notifier updated: %s", existingNotifier.Name),
+			&user.ID,
+			&workspaceID,
+		)
+	} else {
+		notifier.WorkspaceID = workspaceID
+
+		if err := notifier.Validate(); err != nil {
+			return err
+		}
+
+		_, err = s.notifierRepository.Save(notifier)
+		if err != nil {
+			return err
+		}
+
+		s.auditLogService.WriteAuditLog(
+			fmt.Sprintf("Notifier created: %s", notifier.Name),
+			&user.ID,
+			&workspaceID,
+		)
 	}
 
 	return nil
@@ -49,11 +91,26 @@ func (s *NotifierService) DeleteNotifier(
 		return err
 	}
 
-	if notifier.UserID != user.ID {
-		return errors.New("you have not access to this notifier")
+	canManage, err := s.workspaceService.CanUserManageDBs(notifier.WorkspaceID, user)
+	if err != nil {
+		return err
+	}
+	if !canManage {
+		return errors.New("insufficient permissions to manage notifier in this workspace")
 	}
 
-	return s.notifierRepository.Delete(notifier)
+	err = s.notifierRepository.Delete(notifier)
+	if err != nil {
+		return err
+	}
+
+	s.auditLogService.WriteAuditLog(
+		fmt.Sprintf("Notifier deleted: %s", notifier.Name),
+		&user.ID,
+		&notifier.WorkspaceID,
+	)
+
+	return nil
 }
 
 func (s *NotifierService) GetNotifier(
@@ -65,17 +122,40 @@ func (s *NotifierService) GetNotifier(
 		return nil, err
 	}
 
-	if notifier.UserID != user.ID {
-		return nil, errors.New("you have not access to this notifier")
+	canView, _, err := s.workspaceService.CanUserAccessWorkspace(notifier.WorkspaceID, user)
+	if err != nil {
+		return nil, err
+	}
+	if !canView {
+		return nil, errors.New("insufficient permissions to view notifier in this workspace")
 	}
 
+	notifier.HideSensitiveData()
 	return notifier, nil
 }
 
 func (s *NotifierService) GetNotifiers(
 	user *users_models.User,
+	workspaceID uuid.UUID,
 ) ([]*Notifier, error) {
-	return s.notifierRepository.FindByUserID(user.ID)
+	canView, _, err := s.workspaceService.CanUserAccessWorkspace(workspaceID, user)
+	if err != nil {
+		return nil, err
+	}
+	if !canView {
+		return nil, errors.New("insufficient permissions to view notifiers in this workspace")
+	}
+
+	notifiers, err := s.notifierRepository.FindByWorkspaceID(workspaceID)
+	if err != nil {
+		return nil, err
+	}
+
+	for _, notifier := range notifiers {
+		notifier.HideSensitiveData()
+	}
+
+	return notifiers, nil
 }
 
 func (s *NotifierService) SendTestNotification(
@@ -87,8 +167,12 @@ func (s *NotifierService) SendTestNotification(
 		return err
 	}
 
-	if notifier.UserID != user.ID {
-		return errors.New("you have not access to this notifier")
+	canView, _, err := s.workspaceService.CanUserAccessWorkspace(notifier.WorkspaceID, user)
+	if err != nil {
+		return err
+	}
+	if !canView {
+		return errors.New("insufficient permissions to test notifier in this workspace")
 	}
 
 	err = notifier.Send(s.logger, "Test message", "This is a test message")
@@ -107,7 +191,30 @@ func (s *NotifierService) SendTestNotification(
 func (s *NotifierService) SendTestNotificationToNotifier(
 	notifier *Notifier,
 ) error {
-	return notifier.Send(s.logger, "Test message", "This is a test message")
+	var usingNotifier *Notifier
+
+	if notifier.ID != uuid.Nil {
+		existingNotifier, err := s.notifierRepository.FindByID(notifier.ID)
+		if err != nil {
+			return err
+		}
+
+		if existingNotifier.WorkspaceID != notifier.WorkspaceID {
+			return errors.New("notifier does not belong to this workspace")
+		}
+
+		existingNotifier.Update(notifier)
+
+		if err := existingNotifier.Validate(); err != nil {
+			return err
+		}
+
+		usingNotifier = existingNotifier
+	} else {
+		usingNotifier = notifier
+	}
+
+	return usingNotifier.Send(s.logger, "Test message", "This is a test message")
 }
 
 func (s *NotifierService) SendNotification(
@@ -143,3 +250,18 @@ func (s *NotifierService) SendNotification(
 		s.logger.Error("Failed to save notifier", "error", err)
 	}
 }
+
+func (s *NotifierService) OnBeforeWorkspaceDeletion(workspaceID uuid.UUID) error {
+	notifiers, err := s.notifierRepository.FindByWorkspaceID(workspaceID)
+	if err != nil {
+		return fmt.Errorf("failed to get notifiers for workspace deletion: %w", err)
+	}
+
+	for _, notifier := range notifiers {
+		if err := s.notifierRepository.Delete(notifier); err != nil {
+			return fmt.Errorf("failed to delete notifier %s: %w", notifier.ID, err)
+		}
+	}
+
+	return nil
+}

backend/internal/features/notifiers/testing.go

@@ -6,9 +6,9 @@ import (
 	"github.com/google/uuid"
 )
 
-func CreateTestNotifier(userID uuid.UUID) *Notifier {
+func CreateTestNotifier(workspaceID uuid.UUID) *Notifier {
 	notifier := &Notifier{
-		UserID:       userID,
+		WorkspaceID:  workspaceID,
 		Name:         "test " + uuid.New().String(),
 		NotifierType: NotifierTypeWebhook,
 		WebhookNotifier: &webhook_notifier.WebhookNotifier{

backend/internal/features/restores/controller.go

@@ -2,7 +2,7 @@ package restores
 
 import (
 	"net/http"
-	"postgresus-backend/internal/features/users"
+	users_middleware "postgresus-backend/internal/features/users/middleware"
 
 	"github.com/gin-gonic/gin"
 	"github.com/google/uuid"
@@ -10,7 +10,6 @@ import (
 
 type RestoreController struct {
 	restoreService *RestoreService
-	userService    *users.UserService
 }
 
 func (c *RestoreController) RegisterRoutes(router *gin.RouterGroup) {
@@ -29,24 +28,18 @@ func (c *RestoreController) RegisterRoutes(router *gin.RouterGroup) {
 // @Failure 401
 // @Router /restores/{backupId} [get]
 func (c *RestoreController) GetRestores(ctx *gin.Context) {
+	user, ok := users_middleware.GetUserFromContext(ctx)
+	if !ok {
+		ctx.JSON(http.StatusUnauthorized, gin.H{"error": "User not authenticated"})
+		return
+	}
+
 	backupID, err := uuid.Parse(ctx.Param("backupId"))
 	if err != nil {
 		ctx.JSON(http.StatusBadRequest, gin.H{"error": "invalid backup ID"})
 		return
 	}
 
-	authorizationHeader := ctx.GetHeader("Authorization")
-	if authorizationHeader == "" {
-		ctx.JSON(http.StatusUnauthorized, gin.H{"error": "authorization header is required"})
-		return
-	}
-
-	user, err := c.userService.GetUserFromToken(authorizationHeader)
-	if err != nil {
-		ctx.JSON(http.StatusUnauthorized, gin.H{"error": "invalid token"})
-		return
-	}
-
 	restores, err := c.restoreService.GetRestores(user, backupID)
 	if err != nil {
 		ctx.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
@@ -66,6 +59,12 @@ func (c *RestoreController) GetRestores(ctx *gin.Context) {
 // @Failure 401
 // @Router /restores/{backupId}/restore [post]
 func (c *RestoreController) RestoreBackup(ctx *gin.Context) {
+	user, ok := users_middleware.GetUserFromContext(ctx)
+	if !ok {
+		ctx.JSON(http.StatusUnauthorized, gin.H{"error": "User not authenticated"})
+		return
+	}
+
 	backupID, err := uuid.Parse(ctx.Param("backupId"))
 	if err != nil {
 		ctx.JSON(http.StatusBadRequest, gin.H{"error": "invalid backup ID"})
@@ -78,18 +77,6 @@ func (c *RestoreController) RestoreBackup(ctx *gin.Context) {
 		return
 	}
 
-	authorizationHeader := ctx.GetHeader("Authorization")
-	if authorizationHeader == "" {
-		ctx.JSON(http.StatusUnauthorized, gin.H{"error": "authorization header is required"})
-		return
-	}
-
-	user, err := c.userService.GetUserFromToken(authorizationHeader)
-	if err != nil {
-		ctx.JSON(http.StatusUnauthorized, gin.H{"error": "invalid token"})
-		return
-	}
-
 	if err := c.restoreService.RestoreBackupWithAuth(user, backupID, requestDTO); err != nil {
 		ctx.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
 		return

backend/internal/features/restores/controller_test.go

@@ -0,0 +1,346 @@
+package restores
+
+import (
+	"encoding/json"
+	"fmt"
+	"io"
+	"log/slog"
+	"net/http"
+	"strings"
+	"testing"
+	"time"
+
+	"github.com/gin-gonic/gin"
+	"github.com/google/uuid"
+	"github.com/stretchr/testify/assert"
+
+	audit_logs "postgresus-backend/internal/features/audit_logs"
+	"postgresus-backend/internal/features/backups/backups"
+	backups_config "postgresus-backend/internal/features/backups/config"
+	"postgresus-backend/internal/features/databases"
+	"postgresus-backend/internal/features/databases/databases/postgresql"
+	"postgresus-backend/internal/features/restores/models"
+	"postgresus-backend/internal/features/storages"
+	local_storage "postgresus-backend/internal/features/storages/models/local"
+	users_dto "postgresus-backend/internal/features/users/dto"
+	users_enums "postgresus-backend/internal/features/users/enums"
+	users_services "postgresus-backend/internal/features/users/services"
+	users_testing "postgresus-backend/internal/features/users/testing"
+	workspaces_controllers "postgresus-backend/internal/features/workspaces/controllers"
+	workspaces_models "postgresus-backend/internal/features/workspaces/models"
+	workspaces_testing "postgresus-backend/internal/features/workspaces/testing"
+	test_utils "postgresus-backend/internal/util/testing"
+	"postgresus-backend/internal/util/tools"
+)
+
+func createTestRouter() *gin.Engine {
+	router := workspaces_testing.CreateTestRouter(
+		workspaces_controllers.GetWorkspaceController(),
+		workspaces_controllers.GetMembershipController(),
+		databases.GetDatabaseController(),
+		backups_config.GetBackupConfigController(),
+		backups.GetBackupController(),
+		GetRestoreController(),
+	)
+	return router
+}
+
+func Test_GetRestores_WhenUserIsWorkspaceMember_RestoresReturned(t *testing.T) {
+	router := createTestRouter()
+	owner := users_testing.CreateTestUser(users_enums.UserRoleMember)
+	workspace := workspaces_testing.CreateTestWorkspace("Test Workspace", owner, router)
+
+	database, backup := createTestDatabaseWithBackupForRestore(workspace, owner, router)
+
+	var restores []*models.Restore
+	test_utils.MakeGetRequestAndUnmarshal(
+		t,
+		router,
+		fmt.Sprintf("/api/v1/restores/%s", backup.ID.String()),
+		"Bearer "+owner.Token,
+		http.StatusOK,
+		&restores,
+	)
+
+	assert.NotNil(t, restores)
+	assert.Equal(t, 0, len(restores))
+	assert.NotNil(t, database)
+}
+
+func Test_GetRestores_WhenUserIsNotWorkspaceMember_ReturnsForbidden(t *testing.T) {
+	router := createTestRouter()
+	owner := users_testing.CreateTestUser(users_enums.UserRoleMember)
+	workspace := workspaces_testing.CreateTestWorkspace("Test Workspace", owner, router)
+
+	_, backup := createTestDatabaseWithBackupForRestore(workspace, owner, router)
+
+	nonMember := users_testing.CreateTestUser(users_enums.UserRoleMember)
+
+	testResp := test_utils.MakeGetRequest(
+		t,
+		router,
+		fmt.Sprintf("/api/v1/restores/%s", backup.ID.String()),
+		"Bearer "+nonMember.Token,
+		http.StatusBadRequest,
+	)
+
+	assert.Contains(t, string(testResp.Body), "insufficient permissions")
+}
+
+func Test_GetRestores_WhenUserIsGlobalAdmin_RestoresReturned(t *testing.T) {
+	router := createTestRouter()
+	owner := users_testing.CreateTestUser(users_enums.UserRoleMember)
+	workspace := workspaces_testing.CreateTestWorkspace("Test Workspace", owner, router)
+
+	_, backup := createTestDatabaseWithBackupForRestore(workspace, owner, router)
+
+	admin := users_testing.CreateTestUser(users_enums.UserRoleAdmin)
+
+	var restores []*models.Restore
+	test_utils.MakeGetRequestAndUnmarshal(
+		t,
+		router,
+		fmt.Sprintf("/api/v1/restores/%s", backup.ID.String()),
+		"Bearer "+admin.Token,
+		http.StatusOK,
+		&restores,
+	)
+
+	assert.NotNil(t, restores)
+}
+
+func Test_RestoreBackup_WhenUserIsWorkspaceMember_RestoreInitiated(t *testing.T) {
+	router := createTestRouter()
+	owner := users_testing.CreateTestUser(users_enums.UserRoleMember)
+	workspace := workspaces_testing.CreateTestWorkspace("Test Workspace", owner, router)
+
+	_, backup := createTestDatabaseWithBackupForRestore(workspace, owner, router)
+
+	request := RestoreBackupRequest{
+		PostgresqlDatabase: &postgresql.PostgresqlDatabase{
+			Version:  tools.PostgresqlVersion16,
+			Host:     "localhost",
+			Port:     5432,
+			Username: "postgres",
+			Password: "postgres",
+		},
+	}
+
+	testResp := test_utils.MakePostRequest(
+		t,
+		router,
+		fmt.Sprintf("/api/v1/restores/%s/restore", backup.ID.String()),
+		"Bearer "+owner.Token,
+		request,
+		http.StatusOK,
+	)
+
+	assert.Contains(t, string(testResp.Body), "restore started successfully")
+}
+
+func Test_RestoreBackup_WhenUserIsNotWorkspaceMember_ReturnsForbidden(t *testing.T) {
+	router := createTestRouter()
+	owner := users_testing.CreateTestUser(users_enums.UserRoleMember)
+	workspace := workspaces_testing.CreateTestWorkspace("Test Workspace", owner, router)
+
+	_, backup := createTestDatabaseWithBackupForRestore(workspace, owner, router)
+
+	nonMember := users_testing.CreateTestUser(users_enums.UserRoleMember)
+
+	request := RestoreBackupRequest{
+		PostgresqlDatabase: &postgresql.PostgresqlDatabase{
+			Version:  tools.PostgresqlVersion16,
+			Host:     "localhost",
+			Port:     5432,
+			Username: "postgres",
+			Password: "postgres",
+		},
+	}
+
+	testResp := test_utils.MakePostRequest(
+		t,
+		router,
+		fmt.Sprintf("/api/v1/restores/%s/restore", backup.ID.String()),
+		"Bearer "+nonMember.Token,
+		request,
+		http.StatusBadRequest,
+	)
+
+	assert.Contains(t, string(testResp.Body), "insufficient permissions")
+}
+
+func Test_RestoreBackup_AuditLogWritten(t *testing.T) {
+	router := createTestRouter()
+	owner := users_testing.CreateTestUser(users_enums.UserRoleMember)
+	workspace := workspaces_testing.CreateTestWorkspace("Test Workspace", owner, router)
+
+	database, backup := createTestDatabaseWithBackupForRestore(workspace, owner, router)
+
+	request := RestoreBackupRequest{
+		PostgresqlDatabase: &postgresql.PostgresqlDatabase{
+			Version:  tools.PostgresqlVersion16,
+			Host:     "localhost",
+			Port:     5432,
+			Username: "postgres",
+			Password: "postgres",
+		},
+	}
+
+	test_utils.MakePostRequest(
+		t,
+		router,
+		fmt.Sprintf("/api/v1/restores/%s/restore", backup.ID.String()),
+		"Bearer "+owner.Token,
+		request,
+		http.StatusOK,
+	)
+
+	time.Sleep(100 * time.Millisecond)
+
+	auditLogService := audit_logs.GetAuditLogService()
+	auditLogs, err := auditLogService.GetWorkspaceAuditLogs(
+		workspace.ID,
+		&audit_logs.GetAuditLogsRequest{
+			Limit:  100,
+			Offset: 0,
+		},
+	)
+	assert.NoError(t, err)
+
+	found := false
+	for _, log := range auditLogs.AuditLogs {
+		if strings.Contains(log.Message, "Database restored from backup") &&
+			strings.Contains(log.Message, database.Name) {
+			found = true
+			break
+		}
+	}
+	assert.True(t, found, "Audit log for restore not found")
+}
+
+func createTestDatabaseWithBackupForRestore(
+	workspace *workspaces_models.Workspace,
+	owner *users_dto.SignInResponseDTO,
+	router *gin.Engine,
+) (*databases.Database, *backups.Backup) {
+	database := createTestDatabase("Test Database", workspace.ID, owner.Token, router)
+	storage := createTestStorage(workspace.ID)
+
+	configService := backups_config.GetBackupConfigService()
+	config, err := configService.GetBackupConfigByDbId(database.ID)
+	if err != nil {
+		panic(err)
+	}
+
+	config.IsBackupsEnabled = true
+	config.StorageID = &storage.ID
+	config.Storage = storage
+	_, err = configService.SaveBackupConfig(config)
+	if err != nil {
+		panic(err)
+	}
+
+	backup := createTestBackup(database, owner)
+
+	return database, backup
+}
+
+func createTestDatabase(
+	name string,
+	workspaceID uuid.UUID,
+	token string,
+	router *gin.Engine,
+) *databases.Database {
+	testDbName := "test_db"
+	request := databases.Database{
+		WorkspaceID: &workspaceID,
+		Name:        name,
+		Type:        databases.DatabaseTypePostgres,
+		Postgresql: &postgresql.PostgresqlDatabase{
+			Version:  tools.PostgresqlVersion16,
+			Host:     "localhost",
+			Port:     5432,
+			Username: "postgres",
+			Password: "postgres",
+			Database: &testDbName,
+		},
+	}
+
+	w := workspaces_testing.MakeAPIRequest(
+		router,
+		"POST",
+		"/api/v1/databases/create",
+		"Bearer "+token,
+		request,
+	)
+
+	if w.Code != http.StatusCreated {
+		panic(
+			fmt.Sprintf("Failed to create database. Status: %d, Body: %s", w.Code, w.Body.String()),
+		)
+	}
+
+	var database databases.Database
+	if err := json.Unmarshal(w.Body.Bytes(), &database); err != nil {
+		panic(err)
+	}
+
+	return &database
+}
+
+func createTestStorage(workspaceID uuid.UUID) *storages.Storage {
+	storage := &storages.Storage{
+		WorkspaceID:  workspaceID,
+		Type:         storages.StorageTypeLocal,
+		Name:         "Test Storage " + uuid.New().String(),
+		LocalStorage: &local_storage.LocalStorage{},
+	}
+
+	repo := &storages.StorageRepository{}
+	storage, err := repo.Save(storage)
+	if err != nil {
+		panic(err)
+	}
+
+	return storage
+}
+
+func createTestBackup(
+	database *databases.Database,
+	owner *users_dto.SignInResponseDTO,
+) *backups.Backup {
+	userService := users_services.GetUserService()
+	user, err := userService.GetUserFromToken(owner.Token)
+	if err != nil {
+		panic(err)
+	}
+
+	storages, err := storages.GetStorageService().GetStorages(user, *database.WorkspaceID)
+	if err != nil || len(storages) == 0 {
+		panic("No storage found for workspace")
+	}
+
+	backup := &backups.Backup{
+		ID:               uuid.New(),
+		DatabaseID:       database.ID,
+		StorageID:        storages[0].ID,
+		Status:           backups.BackupStatusCompleted,
+		BackupSizeMb:     10.5,
+		BackupDurationMs: 1000,
+		CreatedAt:        time.Now().UTC(),
+	}
+
+	repo := &backups.BackupRepository{}
+	if err := repo.Save(backup); err != nil {
+		panic(err)
+	}
+
+	dummyContent := []byte("dummy backup content for testing")
+	reader := strings.NewReader(string(dummyContent))
+	logger := slog.New(slog.NewTextHandler(io.Discard, nil))
+	if err := storages[0].SaveFile(logger, backup.ID, reader); err != nil {
+		panic(fmt.Sprintf("Failed to create test backup file: %v", err))
+	}
+
+	return backup
+}

backend/internal/features/restores/di.go

@@ -1,12 +1,13 @@
 package restores
 
 import (
+	audit_logs "postgresus-backend/internal/features/audit_logs"
 	"postgresus-backend/internal/features/backups/backups"
 	backups_config "postgresus-backend/internal/features/backups/config"
 	"postgresus-backend/internal/features/databases"
 	"postgresus-backend/internal/features/restores/usecases"
 	"postgresus-backend/internal/features/storages"
-	"postgresus-backend/internal/features/users"
+	workspaces_services "postgresus-backend/internal/features/workspaces/services"
 	"postgresus-backend/internal/util/logger"
 )
 
@@ -19,10 +20,11 @@ var restoreService = &RestoreService{
 	usecases.GetRestoreBackupUsecase(),
 	databases.GetDatabaseService(),
 	logger.GetLogger(),
+	workspaces_services.GetWorkspaceService(),
+	audit_logs.GetAuditLogService(),
 }
 var restoreController = &RestoreController{
 	restoreService,
-	users.GetUserService(),
 }
 
 var restoreBackgroundService = &RestoreBackgroundService{