/**
  * Finds the EntpSales model based on its primary key value.
  * If the model is not found, a 404 HTTP exception will be thrown.
  * @param integer $entrepreneur_id
  * @param integer $sales_id
  * @return EntpSales the loaded model
  * @throws NotFoundHttpException if the model cannot be found
  */
 protected function findModel($entrepreneur_user_id, $sales_id)
 {
     if (($model = EntpSales::findOne(['entrepreneur_user_id' => $entrepreneur_user_id, 'sales_id' => $sales_id])) !== null) {
         return $model;
     } else {
         throw new NotFoundHttpException('The requested page does not exist.');
     }
 }