Ticket 557: delete user in user_auth_providers

Delete user in user_auth_providers if the user gets deleted.

application/modules/user/controllers/admin/Index.php

@@ -15,6 +15,7 @@
 use Modules\User\Models\Group as GroupModel;
 use Modules\User\Service\Password as PasswordService;
 use Modules\Admin\Mappers\Emails as EmailsMapper;
+use Modules\User\Mappers\AuthProvider as AuthProvider;
 use \Ilch\Registry as Registry;
 use Ilch\Validation;
 
@@ -372,6 +373,7 @@ public function deleteAction()
         $authTokenMapper = new AuthTokenMapper();
         $statisticMapper = new StatisticMapper();
         $profileFieldsContentMapper = new ProfileFieldsContentMapper();
+        $authProviderMapper = new AuthProvider();
 
         $userId = $this->getRequest()->getParam('id');
 
@@ -405,6 +407,7 @@ public function deleteAction()
                 }
 
                 $profileFieldsContentMapper->deleteProfileFieldContentByUserId($userId);
+                $authProviderMapper->deleteUser($userId);
                 if ($userMapper->delete($userId)) {
                     $authTokenMapper->deleteAllAuthTokenOfUser($userId);
                     $statisticMapper->deleteUserOnline($userId);

application/modules/user/mappers/AuthProvider.php

@@ -183,6 +183,24 @@ public function unlinkUser($provider, $user_id)
         return $result;
     }
 
+    /**
+     * Delete user by id.
+     * Call this function if the user for example gets deleted and therefore
+     * the links to the auth providers of that deleted user are of no use anymore.
+     *
+     * @param $user_id
+     * @return \Ilch\Database\Mysql\Result|int
+     */
+    public function deleteUser($user_id)
+    {
+        $result = $this->db()->delete()
+            ->from($this->default_table)
+            ->where(['user_id' => $user_id])
+            ->execute();
+
+        return $result;
+    }
+
     public function authProvidersModuleExistsForProvider($provider, $module)
     {
         if (empty($module)) {