Verzeichnisstruktur phpBB-3.2.0
- Veröffentlicht
- 06.01.2017
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news.php
001 <?php
002 /**
003 *
004 * This file is part of the phpBB Forum Software package.
005 *
006 * @copyright (c) phpBB Limited <https://www.phpbb.com>
007 * @license GNU General Public License, version 2 (GPL-2.0)
008 *
009 * For full copyright and license information, please see
010 * the docs/CREDITS.txt file.
011 *
012 */
013
014 namespace phpbb\feed;
015
016 /**
017 * News feed
018 *
019 * This will give you {$this->num_items} first posts
020 * of all topics in the selected news forums.
021 */
022 class news extends topic_base
023 {
024 /**
025 * Returns the ids of the 'news forums'
026 * @return int[]
027 */
028 private function get_news_forums()
029 {
030 static $forum_ids;
031
032 // Matches acp/acp_board.php
033 $cache_name = 'feed_news_forum_ids';
034
035 if (!isset($forum_ids) && ($forum_ids = $this->cache->get('_' . $cache_name)) === false)
036 {
037 $sql = 'SELECT forum_id
038 FROM ' . FORUMS_TABLE . '
039 WHERE ' . $this->db->sql_bit_and('forum_options', FORUM_OPTION_FEED_NEWS, '<> 0');
040 $result = $this->db->sql_query($sql);
041
042 $forum_ids = array();
043 while ($forum_id = (int) $this->db->sql_fetchfield('forum_id'))
044 {
045 $forum_ids[$forum_id] = $forum_id;
046 }
047 $this->db->sql_freeresult($result);
048
049 $this->cache->put('_' . $cache_name, $forum_ids);
050 }
051
052 return $forum_ids;
053 }
054
055 /**
056 * {@inheritdoc}
057 */
058 protected function get_sql()
059 {
060 // Determine forum ids
061 $in_fid_ary = array_intersect($this->get_news_forums(), $this->get_readable_forums());
062 if (empty($in_fid_ary))
063 {
064 return false;
065 }
066
067 $in_fid_ary = array_diff($in_fid_ary, $this->get_passworded_forums());
068 if (empty($in_fid_ary))
069 {
070 return false;
071 }
072
073 // We really have to get the post ids first!
074 $sql = 'SELECT topic_first_post_id, topic_time
075 FROM ' . TOPICS_TABLE . '
076 WHERE topic_moved_id = 0
077 AND ' . $this->content_visibility->get_forums_visibility_sql('topic', $in_fid_ary) . '
078 ORDER BY topic_time DESC';
079 $result = $this->db->sql_query_limit($sql, $this->num_items);
080
081 $post_ids = array();
082 while ($row = $this->db->sql_fetchrow($result))
083 {
084 $post_ids[] = (int) $row['topic_first_post_id'];
085 }
086 $this->db->sql_freeresult($result);
087
088 if (empty($post_ids))
089 {
090 return false;
091 }
092
093 parent::fetch_attachments($post_ids);
094
095 $this->sql = array(
096 'SELECT' => 'f.forum_id, f.forum_name,
097 t.topic_id, t.topic_title, t.topic_poster, t.topic_first_poster_name, t.topic_posts_approved, t.topic_posts_unapproved, t.topic_posts_softdeleted, t.topic_views, t.topic_time, t.topic_last_post_time,
098 p.post_id, p.post_time, p.post_edit_time, p.post_text, p.bbcode_bitfield, p.bbcode_uid, p.enable_bbcode, p.enable_smilies, p.enable_magic_url, p.post_attachment, t.topic_visibility',
099 'FROM' => array(
100 TOPICS_TABLE => 't',
101 POSTS_TABLE => 'p',
102 ),
103 'LEFT_JOIN' => array(
104 array(
105 'FROM' => array(FORUMS_TABLE => 'f'),
106 'ON' => 'p.forum_id = f.forum_id',
107 ),
108 ),
109 'WHERE' => 'p.topic_id = t.topic_id
110 AND ' . $this->db->sql_in_set('p.post_id', $post_ids),
111 'ORDER_BY' => 'p.post_time DESC, p.post_id DESC',
112 );
113
114 return true;
115 }
116 }
117