- Add new validation rule

common/modules/bids/models/Bid.php

@@ -81,7 +81,7 @@ class Bid extends \common\components\ActiveRecordModel
 
             [['email'], 'required', 'on' => self::SCENARIO_SUBSCRIBE],
 
-            [['email'], 'checkUnique', 'on' => self::SCENARIO_SUBSCRIBE, 'message' => 'Вы уже подписаны на новости блога'],
+            [['email'], 'unique', 'on' => self::SCENARIO_SUBSCRIBE, 'message' => 'Вы уже подписаны на новости блога'],
 
             
             [['text'], 'string'],
@@ -93,16 +93,6 @@ class Bid extends \common\components\ActiveRecordModel
         ];
     }
 
-    public function checkUnique($attribute, $params){
-        if (!is_null($this->$attribute)) {
-            if (Bid::find()->where([$attribute => $this->$attribute])->exists()===true) {
-                $this->addError($attribute, $params['message']);
-                return false;
-            }
-        }
-        return true;
-    }
-
     /**
      * @inheritdoc
      */