public function deleteTimetableProcess()
 {
     $timetable = Timetable::find(Input::get('timetable_id'));
     $timetable->delete();
     return Redirect::action('AdminController@getTimetable')->with('message', 'You have successfully deleted the timetable');
 }
 public function index()
 {
     $timetables = Timetable::all()->sortBy('day');
     return view('timetable.index', compact('timetables'));
 }