/**
  * @param $start
  * @param $end
  * @param $model
  *
  * @return mixed
  */
 private function getQueryData($start, $end, $model)
 {
     if ($model == "Payment") {
         $data = Payment::whereBetween('created_at', [$start, $end])->orderBy('created_at', 'desc')->get();
     } elseif ($model == "TravelCompany") {
         $data = TravelCompany::whereBetween('created_at', [$start, $end])->orderBy('created_at', 'desc')->get();
     } elseif ($model == "User") {
         $data = User::whereBetween('created_at', [$start, $end])->orderBy('created_at', 'desc')->get();
     }
     return $data;
 }