public static function create_tags_for_post(post_model $post, $tags)
{
if ($tags === '') {
return;
}
$post_tags = [];
$tag_names = array_map('trim', explode(',', $tags));
$old_tags = tag_model::get_in('name', $tag_names);
if ($old_tags === []) {
foreach ($tag_names as $tag_name) {
$tag_id = tag_model::add(array('name' => $tag_name, 'refer_count' => 1));
$post_tags[] = array('post_id' => $post->id, 'tag_id' => $tag_id);
}
setting_model::inc_by_id(array('value' => count($tag_names)), setting_model::id_tag_count);
} else {
tag_model::inc_by_ids(array('refer_count' => 1), array_keys($old_tags));
$old_tag_names = [];
foreach ($old_tags as $old_tag) {
$post_tags[] = array('post_id' => $post->id, 'tag_id' => $old_tag->id);
$old_tag_names[] = $old_tag->name;
}
$new_tag_names = array_diff($tag_names, $old_tag_names);
if ($new_tag_names !== []) {
foreach ($new_tag_names as $new_tag_name) {
$tag_id = tag_model::add(array('name' => $new_tag_name, 'refer_count' => 1));
$post_tags[] = array('post_id' => $post->id, 'tag_id' => $tag_id);
}
setting_model::inc_by_id(array('value' => count($new_tag_names)), setting_model::id_tag_count);
}
}
if ($post_tags !== []) {
post_tag_model::add_many($post_tags);
}
}
public static function new_action()
{
// 拦截
self::method('post');
$post_id = g_int('post_id');
$post = post_model::get_by_id($post_id);
self::forward_404_if($post === null, '文章不存在，无法评论');
try {
// 校验
$checker = new lazy_checker(p());
$checker->check('captcha', array('should_be' => array(setting_model::get_by_id(setting_model::id_captcha_answer)->value, '验证码不正确')));
$checker->del('captcha');
$checker->check_model_rules('comment');
$comment = $checker->get_all();
if (!visitor::has_role('member') && member_model::get_one(array('name' => $comment['author'])) !== null) {
$checker->failed('author', '您不能使用管理员的昵称');
}
// 执行
$comment['post_id'] = $post_id;
$comment['pub_time'] = clock::get_stamp();
comment_model::add($comment);
post_model::inc_by_id(array('comment_count' => 1), $post_id);
setting_model::inc_by_id(array('value' => 1), setting_model::id_comment_count);
// 成功
self::json_result(true, '评论成功', 0, url('post/show?id=' . $post_id));
} catch (check_failed $e) {
// 失败
self::json_result(false, $e->get_reasons());
}
}