public function hasUserInStatus($userId, $status)
{
return Yii::app()->getDb()->createCommand('SELECT count(id)
FROM {{blog_user_to_blog}}
WHERE user_id = :userId AND blog_id = :blogId AND status = :status')->bindValue(':userId', (int) $userId)->bindValue(':status', (int) $status)->bindValue(':blogId', $this->id)->queryScalar();
}