/**
  * Display a listing of the resource.
  *
  * @return \Illuminate\Http\Response
  */
 public function index(Request $request)
 {
     $teachTimes = TeachTime::orderBy('type')->orderBy('priority')->get();
     if ($request->ajax()) {
         return $teachTimes->toArray();
     }
     return view('admin.teachtimes.index', ['teachtimes' => $teachTimes]);
 }