Optimizations + fix failing tests

backend/app/Http/Controllers/Api/V1/FeedsController.php

@@ -17,14 +17,25 @@ class FeedsController extends BaseController
      */
     public function index(Request $request): JsonResponse
     {
-        $feeds = Feed::orderBy('is_active', 'desc')
+        $perPage = min($request->get('per_page', 15), 100);
-            ->orderBy('name')
-            ->get();
         
-        return $this->sendResponse(
+        $feeds = Feed::with(['language'])
-            FeedResource::collection($feeds),
+            ->withCount('articles')
-            'Feeds retrieved successfully.'
+            ->orderBy('is_active', 'desc')
-        );
+            ->orderBy('name')
+            ->paginate($perPage);
+
+        return $this->sendResponse([
+            'feeds' => FeedResource::collection($feeds->items()),
+            'pagination' => [
+                'current_page' => $feeds->currentPage(),
+                'last_page' => $feeds->lastPage(),
+                'per_page' => $feeds->perPage(),
+                'total' => $feeds->total(),
+                'from' => $feeds->firstItem(),
+                'to' => $feeds->lastItem(),
+            ]
+        ], 'Feeds retrieved successfully.');
     }
 
     /**

backend/app/Http/Controllers/Api/V1/RoutingController.php

@@ -63,15 +63,14 @@ public function store(Request $request): JsonResponse
      */
     public function show(Feed $feed, PlatformChannel $channel): JsonResponse
     {
-        $route = Route::where('feed_id', $feed->id)
+        $route = $this->findRoute($feed, $channel);
-            ->where('platform_channel_id', $channel->id)
-            ->with(['feed', 'platformChannel'])
-            ->first();
         
         if (!$route) {
             return $this->sendNotFound('Routing configuration not found.');
         }
         
+        $route->load(['feed', 'platformChannel']);
+
         return $this->sendResponse(
             new RouteResource($route),
             'Routing configuration retrieved successfully.'
@@ -84,9 +83,7 @@ public function show(Feed $feed, PlatformChannel $channel): JsonResponse
     public function update(Request $request, Feed $feed, PlatformChannel $channel): JsonResponse
     {
         try {
-            $route = Route::where('feed_id', $feed->id)
+            $route = $this->findRoute($feed, $channel);
-                ->where('platform_channel_id', $channel->id)
-                ->first();
 
             if (!$route) {
                 return $this->sendNotFound('Routing configuration not found.');
@@ -118,9 +115,7 @@ public function update(Request $request, Feed $feed, PlatformChannel $channel):
     public function destroy(Feed $feed, PlatformChannel $channel): JsonResponse
     {
         try {
-            $route = Route::where('feed_id', $feed->id)
+            $route = $this->findRoute($feed, $channel);
-                ->where('platform_channel_id', $channel->id)
-                ->first();
 
             if (!$route) {
                 return $this->sendNotFound('Routing configuration not found.');
@@ -145,9 +140,7 @@ public function destroy(Feed $feed, PlatformChannel $channel): JsonResponse
     public function toggle(Feed $feed, PlatformChannel $channel): JsonResponse
     {
         try {
-            $route = Route::where('feed_id', $feed->id)
+            $route = $this->findRoute($feed, $channel);
-                ->where('platform_channel_id', $channel->id)
-                ->first();
 
             if (!$route) {
                 return $this->sendNotFound('Routing configuration not found.');
@@ -168,4 +161,14 @@ public function toggle(Feed $feed, PlatformChannel $channel): JsonResponse
             return $this->sendError('Failed to toggle routing configuration status: ' . $e->getMessage(), [], 500);
         }
     }
+
+    /**
+     * Find a route by feed and channel
+     */
+    private function findRoute(Feed $feed, PlatformChannel $channel): ?Route
+    {
+        return Route::where('feed_id', $feed->id)
+            ->where('platform_channel_id', $channel->id)
+            ->first();
+    }
 }

backend/app/Http/Resources/FeedResource.php

@@ -23,9 +23,10 @@ public function toArray(Request $request): array
             'description' => $this->description,
             'created_at' => $this->created_at->toISOString(),
             'updated_at' => $this->updated_at->toISOString(),
-            'articles_count' => $this->when($request->routeIs('api.feeds.*'), function () {
+            'articles_count' => $this->when(
-                return $this->articles()->count();
+                $request->routeIs('api.feeds.*') && isset($this->articles_count), 
-            }),
+                $this->articles_count
+            ),
         ];
     }
 }

backend/app/Services/DashboardStatsService.php

@@ -5,6 +5,7 @@
 use App\Models\Article;
 use App\Models\ArticlePublication;
 use Carbon\Carbon;
+use Illuminate\Support\Facades\DB;
 
 class DashboardStatsService
 {
@@ -76,13 +77,35 @@ private function getDateRange(string $period): ?array
      */
     public function getSystemStats(): array
     {
+        // Optimize with single queries using conditional aggregation
+        $feedStats = DB::table('feeds')
+            ->selectRaw('
+                COUNT(*) as total_feeds,
+                SUM(CASE WHEN is_active = 1 THEN 1 ELSE 0 END) as active_feeds
+            ')
+            ->first();
+            
+        $channelStats = DB::table('platform_channels')
+            ->selectRaw('
+                COUNT(*) as total_channels,
+                SUM(CASE WHEN is_active = 1 THEN 1 ELSE 0 END) as active_channels
+            ')
+            ->first();
+            
+        $routeStats = DB::table('routes')
+            ->selectRaw('
+                COUNT(*) as total_routes,
+                SUM(CASE WHEN is_active = 1 THEN 1 ELSE 0 END) as active_routes
+            ')
+            ->first();
+            
         return [
-            'total_feeds' => \App\Models\Feed::count(),
+            'total_feeds' => $feedStats->total_feeds,
-            'active_feeds' => \App\Models\Feed::where('is_active', true)->count(),
+            'active_feeds' => $feedStats->active_feeds,
-            'total_channels' => \App\Models\PlatformChannel::count(),
+            'total_channels' => $channelStats->total_channels,
-            'active_channels' => \App\Models\PlatformChannel::where('is_active', true)->count(),
+            'active_channels' => $channelStats->active_channels,
-            'total_routes' => \App\Models\Route::count(),
+            'total_routes' => $routeStats->total_routes,
-            'active_routes' => \App\Models\Route::where('is_active', true)->count(),
+            'active_routes' => $routeStats->active_routes,
         ];
     }
 }

backend/database/migrations/2025_06_29_072202_create_articles_table.php

@@ -17,6 +17,12 @@ public function up(): void
             $table->boolean('is_duplicate')->default(false);
             $table->timestamp('validated_at')->nullable();
             $table->timestamps();
+            
+            $table->index('url');
+            $table->index('is_valid');
+            $table->index('validated_at');
+            $table->index('created_at');
+            $table->index(['is_valid', 'created_at']);
         });
     }
 

backend/database/migrations/2025_07_10_102123_add_approval_status_to_articles_table.php

@@ -17,6 +17,9 @@ public function up(): void
                   ->after('is_duplicate');
             $table->timestamp('approved_at')->nullable()->after('approval_status');
             $table->string('approved_by')->nullable()->after('approved_at');
+
+            $table->index('approval_status');
+            $table->index(['is_valid', 'approval_status']);
         });
     }
 

backend/tests/Feature/Http/Controllers/Api/V1/FeedsControllerTest.php

@@ -18,7 +18,10 @@ public function test_index_returns_successful_response(): void
         $response->assertStatus(200)
             ->assertJsonStructure([
                 'success',
-                'data',
+                'data' => [
+                    'feeds',
+                    'pagination'
+                ],
                 'message'
             ]);
     }
@@ -32,7 +35,7 @@ public function test_index_returns_feeds_ordered_by_active_status_then_name(): v
         $response = $this->getJson('/api/v1/feeds');
 
         $response->assertStatus(200);
-        $feeds = $response->json('data');
+        $feeds = $response->json('data.feeds');
         
         // First should be active feeds in alphabetical order
         $this->assertEquals('A Feed', $feeds[0]['name']);