user()->likes()->syncWithoutDetaching([$track->id]); return response()->json(['message' => 'Track liked.']); } public function unlike(Request $request, Track $track): JsonResponse { $request->user()->likes()->detach($track->id); return response()->json(['message' => 'Track unliked.']); } public function index(Request $request): JsonResponse { $tracks = $request->user()->likes()->with(['album', 'artists', 'genres'])->get(); return response()->json($tracks); } }