feat: Implement client-side sorting for queues

src/components/moderation/ModerationQueue.tsx

@@ -1,5 +1,5 @@
-import { useState, useEffect, useImperativeHandle, forwardRef, useCallback, useRef } from 'react';
-import { CheckCircle, XCircle, Filter, MessageSquare, FileText, Image, X, RefreshCw, AlertCircle, Clock, Lock, Unlock, AlertTriangle, UserCog, Zap } from 'lucide-react';
+import { useState, useEffect, useImperativeHandle, forwardRef, useCallback, useRef, useMemo } from 'react';
+import { CheckCircle, XCircle, Filter, MessageSquare, FileText, Image, X, RefreshCw, AlertCircle, Clock, Lock, Unlock, AlertTriangle, UserCog, Zap, ArrowUp, ArrowDown } from 'lucide-react';
 import { Button } from '@/components/ui/button';
 import { Badge } from '@/components/ui/badge';
 import { Card, CardContent } from '@/components/ui/card';
@@ -66,6 +66,13 @@ interface ModerationItem {
 type EntityFilter = 'all' | 'reviews' | 'submissions' | 'photos';
 type StatusFilter = 'all' | 'pending' | 'partially_approved' | 'flagged' | 'approved' | 'rejected';
 type QueueTab = 'mainQueue' | 'archive';
+type SortField = 'created_at' | 'username' | 'submission_type' | 'status' | 'escalated';
+type SortDirection = 'asc' | 'desc';
+
+interface SortConfig {
+  field: SortField;
+  direction: SortDirection;
+}
 
 export interface ModerationQueueRef {
   refresh: () => void;
@@ -124,6 +131,19 @@ export const ModerationQueue = forwardRef<ModerationQueueRef>((props, ref) => {
   const [pageSize, setPageSize] = useState(25);
   const [totalCount, setTotalCount] = useState(0);
   const totalPages = Math.ceil(totalCount / pageSize);
+  
+  // Sort state
+  const [sortConfig, setSortConfig] = useState<SortConfig>(() => {
+    const saved = localStorage.getItem('moderationQueue_sortConfig');
+    if (saved) {
+      try {
+        return JSON.parse(saved);
+      } catch {
+        return { field: 'created_at', direction: 'asc' as SortDirection };
+      }
+    }
+    return { field: 'created_at', direction: 'asc' as SortDirection };
+  });
 
   // Get admin settings for polling configuration
   const { 
@@ -159,6 +179,11 @@ export const ModerationQueue = forwardRef<ModerationQueueRef>((props, ref) => {
     isAdminRef.current = isAdmin;
     isSuperuserRef.current = isSuperuser;
   }, [refreshStrategy, preserveInteraction, user, toast, isAdmin, isSuperuser]);
+  
+  // Persist sort configuration
+  useEffect(() => {
+    localStorage.setItem('moderationQueue_sortConfig', JSON.stringify(sortConfig));
+  }, [sortConfig]);
 
   // Only sync itemsRef (not loadedIdsRef) to avoid breaking silent polling logic
   useEffect(() => {
@@ -1731,6 +1756,57 @@ export const ModerationQueue = forwardRef<ModerationQueueRef>((props, ref) => {
     }
   };
 
+  // Sort items function
+  const sortItems = useCallback((items: ModerationItem[], config: SortConfig): ModerationItem[] => {
+    const sorted = [...items];
+    
+    sorted.sort((a, b) => {
+      let compareA: any;
+      let compareB: any;
+      
+      switch (config.field) {
+        case 'created_at':
+          compareA = new Date(a.created_at).getTime();
+          compareB = new Date(b.created_at).getTime();
+          break;
+          
+        case 'username':
+          compareA = (a.user_profile?.username || '').toLowerCase();
+          compareB = (b.user_profile?.username || '').toLowerCase();
+          break;
+          
+        case 'submission_type':
+          compareA = a.submission_type || '';
+          compareB = b.submission_type || '';
+          break;
+          
+        case 'status':
+          compareA = a.status;
+          compareB = b.status;
+          break;
+          
+        case 'escalated':
+          compareA = a.escalated ? 1 : 0;
+          compareB = b.escalated ? 1 : 0;
+          break;
+          
+        default:
+          return 0;
+      }
+      
+      let result = 0;
+      if (typeof compareA === 'string' && typeof compareB === 'string') {
+        result = compareA.localeCompare(compareB);
+      } else if (typeof compareA === 'number' && typeof compareB === 'number') {
+        result = compareA - compareB;
+      }
+      
+      return config.direction === 'asc' ? result : -result;
+    });
+    
+    return sorted;
+  }, []);
+
   // Memoized callbacks
   const handleNoteChange = useCallback((id: string, value: string) => {
     setNotes(prev => ({ ...prev, [id]: value }));
@@ -1777,13 +1853,18 @@ export const ModerationQueue = forwardRef<ModerationQueueRef>((props, ref) => {
       );
     }
 
+    // Apply client-side sorting
+    const sortedItems = useMemo(() => {
+      return sortItems(items, sortConfig);
+    }, [items, sortConfig]);
+
     return (
           <div 
             className="flex flex-col gap-6" 
             data-initial-load={!hasRenderedOnce ? "true" : "false"}
             style={{ willChange: 'transform' }}
           >
-        {items.map((item) => (
+        {sortedItems.map((item) => (
           <QueueItem
             key={item.id}
             item={item}
@@ -1815,6 +1896,7 @@ export const ModerationQueue = forwardRef<ModerationQueueRef>((props, ref) => {
   const clearFilters = () => {
     setActiveEntityFilter('all');
     setActiveStatusFilter('pending');
+    setSortConfig({ field: 'created_at', direction: 'asc' });
   };
 
   const getEntityFilterIcon = (filter: EntityFilter) => {
@@ -1986,9 +2068,47 @@ export const ModerationQueue = forwardRef<ModerationQueueRef>((props, ref) => {
               </SelectContent>
             </Select>
           </div>
+
+          <div className={`space-y-2 ${isMobile ? 'w-full' : 'min-w-[180px]'}`}>
+            <Label className={`font-medium ${isMobile ? 'text-xs' : 'text-sm'}`}>Sort By</Label>
+            <div className="flex gap-2">
+              <Select 
+                value={sortConfig.field} 
+                onValueChange={(value) => setSortConfig(prev => ({ ...prev, field: value as SortField }))}
+              >
+                <SelectTrigger className={isMobile ? "h-10 flex-1" : "flex-1"}>
+                  <SelectValue />
+                </SelectTrigger>
+                <SelectContent>
+                  <SelectItem value="created_at">Date Created</SelectItem>
+                  <SelectItem value="username">Submitter</SelectItem>
+                  <SelectItem value="submission_type">Type</SelectItem>
+                  <SelectItem value="status">Status</SelectItem>
+                  <SelectItem value="escalated">Escalated</SelectItem>
+                </SelectContent>
+              </Select>
+              
+              <Button
+                variant="outline"
+                size={isMobile ? "default" : "sm"}
+                onClick={() => setSortConfig(prev => ({ 
+                  ...prev, 
+                  direction: prev.direction === 'asc' ? 'desc' : 'asc' 
+                }))}
+                className={isMobile ? "h-10" : ""}
+                title={sortConfig.direction === 'asc' ? 'Sort Descending' : 'Sort Ascending'}
+              >
+                {sortConfig.direction === 'asc' ? (
+                  <ArrowUp className="w-4 h-4" />
+                ) : (
+                  <ArrowDown className="w-4 h-4" />
+                )}
+              </Button>
+            </div>
+          </div>
         </div>
 
-        {(activeEntityFilter !== 'all' || activeStatusFilter !== 'pending') && (
+        {(activeEntityFilter !== 'all' || activeStatusFilter !== 'pending' || sortConfig.field !== 'created_at') && (
           <div className={isMobile ? "" : "flex items-end"}>
             <Button
               variant="outline"
@@ -2004,7 +2124,7 @@ export const ModerationQueue = forwardRef<ModerationQueueRef>((props, ref) => {
       </div>
 
       {/* Active Filters Display */}
-      {(activeEntityFilter !== 'all' || activeStatusFilter !== 'pending') && (
+      {(activeEntityFilter !== 'all' || activeStatusFilter !== 'pending' || sortConfig.field !== 'created_at') && (
         <div className="flex items-center gap-2 text-sm text-muted-foreground">
           <span>Active filters:</span>
           {activeEntityFilter !== 'all' && (
@@ -2018,6 +2138,15 @@ export const ModerationQueue = forwardRef<ModerationQueueRef>((props, ref) => {
               {activeStatusFilter}
             </Badge>
           )}
+          {sortConfig.field !== 'created_at' && (
+            <Badge variant="secondary" className="flex items-center gap-1">
+              {sortConfig.direction === 'asc' ? <ArrowUp className="w-3 h-3" /> : <ArrowDown className="w-3 h-3" />}
+              Sort: {sortConfig.field === 'username' ? 'Submitter' : 
+                     sortConfig.field === 'submission_type' ? 'Type' : 
+                     sortConfig.field === 'escalated' ? 'Escalated' :
+                     sortConfig.field === 'status' ? 'Status' : 'Date'}
+            </Badge>
+          )}
         </div>
       )}