Ris

    public function getComments($callback = null){
 
        $user = cmsUser::getInstance();
 
        $this->select('r.score', 'is_rated');
 
        $this->joinUserLeft();
        $this->joinLeft('comments_rating', 'r', "r.comment_id = i.id AND r.user_id='{$user->id}'");
 
        if (!$this->order_by){
            $this->orderBy('ordering', 'DESC');
        }
 
        if (!$this->approved_filter_disabled) { $this->filterApprovedOnly(); }
 
        $this->useCache('comments.list');
 
        return $this->get('comments', function($item, $model) use ($callback){
 
            $item['user'] = array(
                'id'        => $item['user_id'],
                'nickname'  => $item['user_nickname'],
                'is_online' => cmsUser::userIsOnline($item['user_id']),
                'avatar'    => $item['user_avatar']
            );
 
            if (is_callable($callback)){
                $item = $callback($item, $model);
            }
 
            return $item;
 
        });
 
    }