feat: add comment for playlist

app/Http/Controllers/CommentController.php

@@ -127,10 +127,11 @@ private function getModelClass($type)
         $models = [
             'music' => \App\Models\Music::class,
             'media' => \App\Models\Media::class,
+            'playlist' => \App\Models\MusicPlaylist::class, 
         ];
         
         if (!isset($models[$type])) {
-            abort(404, 'Invalid model type');
+            abort(404, 'Invalid model type. Supported types: music, media, playlist');
         }
         
         return $models[$type];

app/Http/Controllers/MusicPlaylistController.php

@@ -55,19 +55,41 @@ public function store(Request $request)
 }
     
     public function show($id)
-    {
-        $playlist = MusicPlaylist::with([
-            'category', 
-            'image', 
-            'musics' => function($q) {
-                $q->where('is_active', true)
-                  ->with(['image', 'tags'])
-                  ->orderBy('order');
-            }
-        ])->findOrFail($id);
-        
-        return response()->json($playlist);
-    }
+        {
+            $playlist = MusicPlaylist::with([
+                'category', 
+                'subcategory',
+                'image',
+                'musics' => function($q) {
+                    $q->where('is_active', true)
+                    ->with(['image', 'tags'])
+                    ->orderBy('order');
+                },
+                'comments' => function($q) { // Add comments relationship
+                    $q->with('user')->latest()->limit(10);
+                }
+            ])->findOrFail($id);
+            $userComment = $playlist->userComment();
+            $comments = $playlist->comments()
+                ->with('user')
+                ->latest()
+                ->paginate(15);
+            
+            return response()->json([
+                'playlist' => $playlist,
+                'statistics' => [
+                    'total_musics' => $playlist->musics->count(),
+                    'total_duration' => $playlist->total_duration,
+                    'total_comments' => $playlist->comments_count,
+                ],
+                'user_interaction' => [
+                    'has_commented' => $playlist->has_user_commented,
+                    'user_comment' => $playlist->user_comment,
+                    'user_comment_id' => $playlist->user_comment_id,
+                ],
+                'comments' => $comments,
+            ]);
+        }
     
     public function update(Request $request, $id)
     {