/**
  * check bus post current position iteration. current iteration is every 1,5 minutes
  * so, if iteration is 160 (40 mins of total current location post request), system will make request to google maps
  * api (directions) to avoid over quota
  *
  * @return \Illuminate\Http\JsonResponse
  */
 public function checkBusIteration()
 {
     $busOperationModel = new BusOperation();
     $busOperation = $busOperationModel->where('plat_nomor', '=', $this->plat_nomor)->get()->toArray();
     if (sizeof($busOperation) > 0 && $busOperation != null) {
         //if there is a record about that bus, we will take action
         if ($busOperation[0]['iterasi_arrival_check'] >= 4) {
             $busOperationModel->where('plat_nomor', '=', $this->plat_nomor)->update(['iterasi_arrival_check' => 0]);
             return true;
         } else {
             $busOperationModel->where('plat_nomor', '=', $this->plat_nomor)->update(['iterasi_arrival_check' => $busOperation[0]['iterasi_arrival_check'] + 1]);
             return false;
         }
     } else {
         //if there is no record, exception will be thrown
         throw new Exception("Bus Not Found");
     }
 }
 /**
  * delete bus operation from database based on plat nomor
  *
  * @param $plat_nomor
  * @return \Illuminate\Http\JsonResponse
  */
 public function deleteBusOperation($plat_nomor)
 {
     $busOperationModel = new BusOperation();
     $response = array();
     try {
         $busOperationModel->where('plat_nomor', '=', $plat_nomor)->delete();
         $response['code'] = 200;
         $response['data']['msg'] = 'bus has been successfully deleted from database';
     } catch (\Exception $e) {
         $response['code'] = 500;
         $response['data']['msg'] = 'failed to delete bus, please make sure that plat nomor is correct';
     }
     header("Access-Control-Allow-Origin: *");
     return response()->json($response);
 }