/**
  * Creates a new DocMigration model.
  * If creation is successful, the browser will be redirected to the 'view' page.
  * @return mixed
  */
 public function actionCreate()
 {
     $model = new DocMigration();
     if ($model->load(Yii::$app->request->post()) && $model->save()) {
         Yii::$app->getSession()->addFlash('success', "Миграционная карта \"{$model->fullNum}\" успешно добавлена.");
         return $this->redirect(Url::previous() != Yii::$app->homeUrl ? Url::previous() : ['view', 'id' => $model->id]);
     } else {
         if (Yii::$app->request->referrer != Yii::$app->request->absoluteUrl) {
             Url::remember(Yii::$app->request->referrer ? Yii::$app->request->referrer : null);
         }
         if (!Yii::$app->request->isPost) {
             $model->setAttributes(Yii::$app->request->get());
         }
         return $this->render('create', ['model' => $model]);
     }
 }