public function showEvents(Category $category)
 {
     $events = $category->events()->upcoming()->get();
     return $this->respond($events);
 }
 /**
  * Display the specified resource.
  *
  * @param  int  $id
  * @return \Illuminate\Http\Response
  */
 public function show(Category $category)
 {
     $events = $category->events()->get()->groupBy('studio_id');
     return view('admin.categories.show', compact('category', 'events'));
 }