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

@@ -58,15 +58,37 @@ public function show($id)
         {
             $playlist = MusicPlaylist::with([
                 'category', 
+                'subcategory',
                 'image',
                 'musics' => function($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);
+            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)

app/Models/MusicPlaylist.php

@@ -5,8 +5,10 @@
 use Illuminate\Database\Eloquent\Model;
 use Illuminate\Database\Eloquent\Relations\BelongsTo;  // ← Add this
 use Illuminate\Database\Eloquent\Relations\HasMany;    // ← Add this
+use App\Traits\HasComments; // Add this
 class MusicPlaylist extends Model
 {
+    use HasComments;
     protected $table = 'music_playlists';
     
     protected $fillable = [
@@ -17,7 +19,12 @@ class MusicPlaylist extends Model
         'is_active' => 'boolean',
         'order' => 'integer',
     ];
-    
+    protected $appends = [
+        'comments_count',
+        'has_user_commented',
+        'user_comment',
+        'user_comment_id'
+    ];
     public function category(): BelongsTo
     {
         return $this->belongsTo(MusicCategory::class, 'category_id');