public function addSocialRelation(User $user, $serviceName, AbstractUser $response)
    {
        // create relation for new user and social integration
        return $this->newQB()->insert(
            [
                'user_id'    => $user->id,
                'social_id'  => $serviceName . '_' . $response->id,
                'created_at' => \DB::raw('NOW()')
            ]
        );
    }