public function __invoke()
{
// 将所有文章用博客的形式展现
$structure = StructureModel::search('home');
// 筛选出所有发布的文章
$request = $this->getRequest();
$page = $request->query->get('page');
$size = 15;
$articles_pager = ArticleModel::listArticles($page, $size, function (QueryBuilder $qb) use($structure) {
$qb->andWhere($qb->expr()->gt('publish_timestamp', 0));
if ($structure) {
$qb->andWhere($qb->expr()->eq('structure_id', ':structure_id'))->setParameter(':structure_id', $structure->id);
}
$qb->addOrderBy('publish_timestamp', 'desc');
});
$articles = $articles_pager->getData();
foreach ($articles as $key => $article) {
// 取出文章的图片媒体
$article['media'] = MediaModel::allMedias(function (QueryBuilder $qb) use($article) {
$qb->andWhere($qb->expr()->eq('article_id', ':article_id'))->setParameter(':article_id', $article['id']);
$qb->andWhere($qb->expr()->eq('type', ':type'))->setParameter(':type', 'picture');
});
// 取出文章的tag标签
$article_tags = ArticleTagModel::allRelationship(function (QueryBuilder $qb) use($article) {
$qb->andWhere($qb->expr()->eq('article_id', ':article_id'))->setParameter(':article_id', $article['id']);
});
$article['tags'] = array();
foreach ($article_tags as $article_tag) {
$t = TagModel::getTag($article_tag['tag_id']);
$article['tags'][] = $t->toArray();
}
// 发布者
$article['publisher'] = array();
$article_publishers = ArticlePublisherModel::allRelationship(function (QueryBuilder $qb) use($article) {
$qb->where($qb->expr()->eq('article_id', ':article_id'))->setParameter(':article_id', $article['id']);
});
if ($article_publishers) {
$article_publisher = array_shift($article_publishers);
$publisher_id = $article_publisher['publisher_id'];
$publisher = PublisherModel::getPublisher($publisher_id);
if ($publisher) {
$article['publisher'] = $publisher;
}
}
// 评论
$article['comments'] = CommentModel::getCount(function (QueryBuilder $qb) use($article) {
$qb->where($qb->expr()->eq('article_id', ':article_id'))->setParameter(':article_id', $article['id']);
});
$articles[$key] = $article;
}
$articles_pager->setData($articles);
return $this->render('homepage/blogs.html.twig', array('blog_posts' => $articles_pager));
}
