public function getPosts($itemsPerPage = 25, $page = 1) {
        $query = "SELECT post_id FROM nuke_bbposts WHERE topic_id = ? LIMIT ?, ?";
        
        foreach ($this->db->fetchAll($query, array($this->id, ($page - 1) * $itemsPerPage, $itemsPerPage)) as $row) {
            yield new Post($row['post_id']);