From bcba7c01de7387631503898a80a22ef2e31a9a89 Mon Sep 17 00:00:00 2001
From: Ryo Namiki <paralleltree@outlook.com>
Date: Sun, 11 Jan 2026 02:08:15 +0900
Subject: [PATCH] Fix inconsistent sorting in FriendList across pagination
 (#1567)

* Add compareWithFriendNumber

* Use sort-change event to fix inconsistent sorting order in FriendList items

* Remove selfSelector

* Make `sortAlphabetically` consider cases where one of the values is missing
---
 src/components/DataTable.vue        |   9 ++-
 src/views/FriendList/FriendList.vue | 107 +++++++++++++++++++++-------
 2 files changed, 89 insertions(+), 27 deletions(-)

diff --git a/src/components/DataTable.vue b/src/components/DataTable.vue
index ada3e450..8c9f8cca 100644
--- a/src/components/DataTable.vue
+++ b/src/components/DataTable.vue
@@ -6,7 +6,8 @@
             v-bind="mergedTableProps"
             :stripe="false"
             :default-sort="resolvedDefaultSort"
-            @row-click="handleRowClick">
+            @row-click="handleRowClick"
+            @sort-change="handleSortChange">
             <slot></slot>
         </el-table>
 
@@ -63,7 +64,7 @@
         }
     });
 
-    const emit = defineEmits(['row-click']);
+    const emit = defineEmits(['row-click', 'sort-change']);
 
     const appearanceSettingsStore = useAppearanceSettingsStore();
     const vrcxStore = useVrcxStore();
@@ -169,6 +170,10 @@
         emit('row-click', row, column, event);
     };
 
+    const handleSortChange = (data) => {
+        emit('sort-change', data);
+    };
+
     const handleSizeChange = (size) => {
         if (props.pageSizeLinked) {
             appearanceSettingsStore.setTablePageSize(size);
diff --git a/src/views/FriendList/FriendList.vue b/src/views/FriendList/FriendList.vue
index 870577d7..16ea8316 100644
--- a/src/views/FriendList/FriendList.vue
+++ b/src/views/FriendList/FriendList.vue
@@ -52,6 +52,7 @@
             <DataTable
                 v-bind="friendsListTable"
                 style="margin-top: 10px; cursor: pointer"
+                @sort-change="handleSortChange"
                 @row-click="selectFriendsListRow">
                 <el-table-column v-if="friendsListBulkUnfriendMode" width="55">
                     <template #default="{ row }">
@@ -67,7 +68,7 @@
                     :label="t('table.friendList.no')"
                     width="100"
                     prop="$friendNumber"
-                    :sortable="true"
+                    :sortable="'custom'"
                     fixed="left">
                     <template #default="{ row }">
                         <span>{{ row.$friendNumber ? row.$friendNumber : '' }}</span>
@@ -84,8 +85,7 @@
                     :label="t('table.friendList.displayName')"
                     min-width="200"
                     prop="displayName"
-                    sortable
-                    :sort-method="(a, b) => sortAlphabetically(a, b, 'displayName')"
+                    sortable="'custom'"
                     fixed="left">
                     <template #default="{ row }">
                         <span :style="{ color: randomUserColours ? row.$userColour : undefined }" class="name">{{
@@ -93,7 +93,7 @@
                         }}</span>
                     </template>
                 </el-table-column>
-                <el-table-column :label="t('table.friendList.rank')" width="140" prop="$trustSortNum" :sortable="true">
+                <el-table-column :label="t('table.friendList.rank')" width="140" prop="$trustSortNum" :sortable="'custom'">
                     <template #default="{ row }">
                         <span
                             v-if="randomUserColours"
@@ -107,8 +107,7 @@
                     :label="t('table.friendList.status')"
                     min-width="200"
                     prop="status"
-                    sortable
-                    :sort-method="(a, b) => sortStatus(a.status, b.status)">
+                    sortable="'custom'">
                     <template #default="{ row }">
                         <i
                             v-if="row.status !== 'offline'"
@@ -122,8 +121,7 @@
                     :label="t('table.friendList.language')"
                     width="130"
                     prop="$languages"
-                    sortable
-                    :sort-method="(a, b) => sortLanguages(a, b)">
+                    sortable="'custom'">
                     <template #default="{ row }">
                         <TooltipWrapper v-for="item in row.$languages" :key="item.key" side="top">
                             <template #content>
@@ -163,13 +161,13 @@
                     :label="t('table.friendList.joinCount')"
                     width="120"
                     prop="$joinCount"
-                    sortable
+                    sortable="'custom'"
                     align="right"></el-table-column>
                 <el-table-column
                     :label="t('table.friendList.timeTogether')"
                     width="140"
                     prop="$timeSpent"
-                    sortable
+                    sortable="'custom'"
                     align="right">
                     <template #default="{ row }">
                         <span v-if="row.$timeSpent">{{ timeToText(row.$timeSpent) }}</span>
@@ -179,8 +177,7 @@
                     :label="t('table.friendList.lastSeen')"
                     width="170"
                     prop="$lastSeen"
-                    sortable
-                    :sort-method="(a, b) => sortAlphabetically(a, b, '$lastSeen')">
+                    sortable="'custom'">
                     <template #default="{ row }">
                         <span>{{
                             formatDateFilter(row.$lastSeen, 'long') === '-'
@@ -193,7 +190,7 @@
                     :label="t('table.friendList.mutualFriends')"
                     width="120"
                     prop="$mutualCount"
-                    sortable
+                    sortable="'custom'"
                     align="right">
                     <template #default="{ row }">
                         <span v-if="row.$mutualCount">{{ row.$mutualCount }}</span>
@@ -203,8 +200,7 @@
                     :label="t('table.friendList.lastActivity')"
                     width="200"
                     prop="last_activity"
-                    sortable
-                    :sort-method="(a, b) => sortAlphabetically(a, b, 'last_activity')">
+                    sortable="'custom'">
                     <template #default="{ row }">
                         <span>{{ formatDateFilter(row.last_activity, 'long') }}</span>
                     </template>
@@ -213,8 +209,7 @@
                     :label="t('table.friendList.lastLogin')"
                     width="200"
                     prop="last_login"
-                    sortable
-                    :sort-method="(a, b) => sortAlphabetically(a, b, 'last_login')">
+                    sortable="'custom'">
                     <template #default="{ row }">
                         <span>{{ formatDateFilter(row.last_login, 'long') }}</span>
                     </template>
@@ -223,8 +218,7 @@
                     :label="t('table.friendList.dateJoined')"
                     width="120"
                     prop="date_joined"
-                    sortable
-                    :sort-method="(a, b) => sortAlphabetically(a, b, 'date_joined')"></el-table-column>
+                    sortable="'custom'"></el-table-column>
                 <el-table-column :label="t('table.friendList.unfriend')" width="100" align="center">
                     <template #default="{ row }">
                         <i
@@ -315,6 +309,7 @@
     const friendsListLoadDialogVisible = ref(false);
     const friendsListSearchFilterVIP = ref(false);
     const selectedFriends = ref(new Set());
+    const allFilteredData = ref([]);
 
     const friendsListLoadingPercent = computed(() => {
         if (!friendsListLoadingTotal.value) return 0;
@@ -375,10 +370,11 @@
             }
             results.push(ctx.ref);
         }
+        allFilteredData.value = results;
         getAllUserStats();
         getAllUserMutualCount();
+        applySortAndPagination(friendsListTable.tableProps.defaultSort.prop, friendsListTable.tableProps.defaultSort.order);
         nextTick(() => {
-            friendsListTable.data = results;
             friendsListLoading.value = false;
         });
     }
@@ -486,20 +482,81 @@
         else showUserDialog(val.id);
     }
 
-    function sortAlphabetically(a, b, field) {
-        if (!a[field] || !b[field]) return 0;
-        return a[field].toLowerCase().localeCompare(b[field].toLowerCase());
+    function compareWithFriendNumber(a, b, primaryComparison, primarySelector = (x) => x)  {
+        const primaryComparisonResult = primaryComparison(primarySelector(a), primarySelector(b));
+        if (primaryComparisonResult === 0) {
+            return (a.$friendNumber || 0) - (b.$friendNumber || 0);
+        }
+        return primaryComparisonResult;
+    }
+
+    function sortAlphabetically(a, b) {
+        if (!a || !b) {
+            if (!a && !b) return 0;
+            return !a ? -1 : 1;
+        }
+        return a.toLowerCase().localeCompare(b.toLowerCase());
     }
 
     function sortLanguages(a, b) {
-        const as = a.$languages.map((i) => i.value).sort();
-        const bs = b.$languages.map((i) => i.value).sort();
+        const as = a.map((i) => i.value).sort();
+        const bs = b.map((i) => i.value).sort();
         return JSON.stringify(as).localeCompare(JSON.stringify(bs));
     }
 
     function openChartsTab() {
         router.push({ name: 'charts' });
     }
+
+    function handleSortChange({ prop, order }) {
+        applySortAndPagination(prop, order);
+    }
+
+    function resolveSortFunction(prop) {
+        const numberComparison = (a, b) => (a || 0) - (b || 0);
+        switch (prop) {
+            case '$friendNumber':
+                return [numberComparison, (item) => item.$friendNumber || 0];
+            case 'displayName':
+                return [sortAlphabetically, (item) => item.displayName || ''];
+            case '$trustSortNum':
+                return [numberComparison, (item) => item.$trustSortNum || 0];
+            case 'status':
+                return [sortStatus, (item) => item.status || 'offline'];
+            case '$languages':
+                return [sortLanguages, (item) => item.$languages || []];
+            case '$joinCount':
+                return [numberComparison, (item) => item.$joinCount || 0];
+            case '$timeSpent':
+                return [numberComparison, (item) => item.$timeSpent || 0];
+            case '$lastSeen':
+                return [sortAlphabetically, (item) => item.$lastSeen || ''];
+            case '$mutualCount':
+                return [numberComparison, (item) => item.$mutualCount || 0];
+            case 'last_activity':
+                return [sortAlphabetically, (item) => item.last_activity || ''];
+            case 'last_login':
+                return [sortAlphabetically, (item) => item.last_login || ''];
+            case 'date_joined':
+                return [sortAlphabetically, (item) => item.date_joined || ''];
+            default:
+                return [sortAlphabetically, (item) => item[prop] || ''];
+        }
+    }
+
+    function applySortAndPagination(prop, order) {
+        let sortedData = [...allFilteredData.value];
+
+        if (prop && order !== null) {
+            const [comparison, selector] = resolveSortFunction(prop);
+            sortedData.sort((a, b) => {
+                const result = compareWithFriendNumber(a, b, comparison, selector);
+                return order === 'ascending' ? result : -result;
+            });
+        }
+
+        friendsListTable.data = sortedData;
+    }
 </script>
 
 <style scoped>