feat: Add PublicDashboard frontend configuration and custom domain handling

App/FeatureSet/Frontend/Index.ts

@@ -24,6 +24,8 @@ import {
   StatusPageData,
   getStatusPageData,
 } from "./Utils/StatusPage";
+import DashboardDomainService from "Common/Server/Services/DashboardDomainService";
+import DashboardDomain from "Common/Models/DatabaseModels/DashboardDomain";
 
 const app: ExpressApplication = Express.getExpressApp();
 
@@ -148,6 +150,12 @@ const DashboardFrontendConfig: FrontendConfig = {
   primaryHostOnly: true,
 };
 
+const PublicDashboardFrontendConfig: FrontendConfig = {
+  routePrefix: "/public-dashboard",
+  publicPath: PublicDashboardPublicPath,
+  indexViewPath: PublicDashboardViewPath,
+};
+
 const DashboardRootPwaFileMap: Array<{ route: string; file: string }> = [
   { route: "/manifest.json", file: "manifest.json" },
   { route: "/sw.js", file: "sw.js" },
@@ -405,7 +413,32 @@ const registerFrontendApp: (frontendConfig: FrontendConfig) => void = (
   );
 };
 
-const registerStatusPageCustomDomainFallback: () => void = (): void => {
+const isDashboardDomain: (hostname: string) => Promise<boolean> = async (
+  hostname: string,
+): Promise<boolean> => {
+  try {
+    const dashboardDomain: DashboardDomain | null =
+      await DashboardDomainService.findOneBy({
+        query: {
+          fullDomain: hostname,
+        },
+        select: {
+          _id: true,
+        },
+        props: {
+          isRoot: true,
+        },
+      });
+
+    return dashboardDomain !== null;
+  } catch (err) {
+    logger.error("Error checking if domain is a dashboard domain:");
+    logger.error(err);
+    return false;
+  }
+};
+
+const registerCustomDomainFallback: () => void = (): void => {
   app.get(
     "*",
     async (req: ExpressRequest, res: ExpressResponse, next: NextFunction) => {
@@ -417,6 +450,20 @@ const registerStatusPageCustomDomainFallback: () => void = (): void => {
         return next();
       }
 
+      // Check if this custom domain belongs to a PublicDashboard.
+      // If so, serve the PublicDashboard SPA instead of StatusPage.
+      const requestHostname: string = getRequestHostname(req);
+
+      if (requestHostname && (await isDashboardDomain(requestHostname))) {
+        return renderFrontendIndexPage({
+          req,
+          res,
+          next,
+          frontendConfig: PublicDashboardFrontendConfig,
+        });
+      }
+
+      // Default: serve StatusPage for custom domains
       return renderFrontendIndexPage({
         req,
         res,
@@ -491,14 +538,10 @@ const init: PromiseVoidFunction = async (): Promise<void> => {
 
   registerFrontendApp(StatusPageFrontendConfig);
 
-  registerFrontendApp({
-    routePrefix: "/public-dashboard",
-    publicPath: PublicDashboardPublicPath,
-    indexViewPath: PublicDashboardViewPath,
-  });
+  registerFrontendApp(PublicDashboardFrontendConfig);
 
   registerDashboardRootPwaFiles();
-  registerStatusPageCustomDomainFallback();
+  registerCustomDomainFallback();
   registerDashboardFallbackForPrimaryHost();
 };