/**
  * Display a listing of the resource.
  *
  * @return Response
  */
 public function index()
 {
     $limit = Input::get('limit') ?: 3;
     $lessons = Lesson::paginate($limit);
     //dd(get_class_methods($lessons));
     return $this->respondWithPagination($lessons, ['data' => $this->lessonTransformer->transformCollection($lessons->all())]);
 }