update models + added social network account services

lib/User/Query/SocialNetworkAccountQuery.php

@@ -1,9 +1,18 @@
 <?php
 namespace Da\User\Query;
 
+use Da\User\Contracts\AuthClientInterface;
 use yii\db\ActiveQuery;
 
 class SocialNetworkAccountQuery extends ActiveQuery
 {
-
+    public function whereClient(AuthClientInterface $client)
+    {
+        return $this->andWhere(
+            [
+                'provider' => $client->getId(),
+                'client_id' => $client->getUserAttributes()['id']
+            ]
+        );
+    }
 }