function meetings(Request $request)
 {
     switch ($request->input('filter')) {
         case 'future':
             return response()->json(Meeting::where('start_date', '>', Carbon::today()->timestamp)->get());
         default:
             return response()->json(Meeting::all());
     }
 }
 /**
  * Display a listing of the resource.
  *
  * @return \Illuminate\Http\Response
  */
 public function index()
 {
     return response()->json(Meeting::all());
 }