protected function findModel($id)
 {
     if (($model = RutaDiaria::findOne($id)) !== null) {
         return $model;
     } else {
         throw new NotFoundHttpException('The requested page does not exist.');
     }
 }
 private function findModel($id)
 {
     $model = RutaDiaria::findOne($id);
     $listaRutasComercios = $model->getRutaDiariaComercios();
     $listaComercios = [];
     foreach ($listaRutasComercios as $rutaComercio) {
         $listaComercios[] = $rutaComercio->getIdComercio();
     }
     return $listaComercios;
 }