Verzeichnisstruktur phpBB-3.2.0
- Veröffentlicht
- 06.01.2017
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forum.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 use phpbb\feed\exception\no_feed_exception;
017 use phpbb\feed\exception\no_forum_exception;
018 use phpbb\feed\exception\unauthorized_forum_exception;
019
020 /**
021 * Forum feed
022 *
023 * This will give you the last {$this->num_items} posts made
024 * within a specific forum.
025 */
026 class forum extends post_base
027 {
028 protected $forum_id = 0;
029 protected $forum_data = array();
030
031 /**
032 * Set the Forum ID
033 *
034 * @param int $forum_id Forum ID
035 * @return \phpbb\feed\forum
036 */
037 public function set_forum_id($forum_id)
038 {
039 $this->forum_id = (int) $forum_id;
040
041 return $this;
042 }
043
044 /**
045 * {@inheritdoc}
046 */
047 public function open()
048 {
049 // Check if forum exists
050 $sql = 'SELECT forum_id, forum_name, forum_password, forum_type, forum_options
051 FROM ' . FORUMS_TABLE . '
052 WHERE forum_id = ' . $this->forum_id;
053 $result = $this->db->sql_query($sql);
054 $this->forum_data = $this->db->sql_fetchrow($result);
055 $this->db->sql_freeresult($result);
056
057 if (empty($this->forum_data))
058 {
059 throw new no_forum_exception($this->forum_id);
060 }
061
062 // Forum needs to be postable
063 if ($this->forum_data['forum_type'] != FORUM_POST)
064 {
065 throw new no_feed_exception();
066 }
067
068 // Make sure forum is not excluded from feed
069 if (phpbb_optionget(FORUM_OPTION_FEED_EXCLUDE, $this->forum_data['forum_options']))
070 {
071 throw new no_feed_exception();
072 }
073
074 // Make sure we can read this forum
075 if (!$this->auth->acl_get('f_read', $this->forum_id))
076 {
077 if ($this->user->data['user_id'] != ANONYMOUS)
078 {
079 send_status_line(403, 'Forbidden');
080 }
081 else
082 {
083 send_status_line(401, 'Unauthorized');
084 }
085 throw new unauthorized_forum_exception($this->forum_id);
086 }
087
088 // Make sure forum is not passworded or user is authed
089 if ($this->forum_data['forum_password'])
090 {
091 $forum_ids_passworded = $this->get_passworded_forums();
092
093 if (isset($forum_ids_passworded[$this->forum_id]))
094 {
095 if ($this->user->data['user_id'] != ANONYMOUS)
096 {
097 send_status_line(403, 'Forbidden');
098 }
099 else
100 {
101 send_status_line(401, 'Unauthorized');
102 }
103 throw new unauthorized_forum_exception($this->forum_id);
104 }
105
106 unset($forum_ids_passworded);
107 }
108
109 parent::open();
110 }
111
112 /**
113 * {@inheritdoc}
114 */
115 protected function get_sql()
116 {
117 // Determine topics with recent activity
118 $sql = 'SELECT topic_id, topic_last_post_time
119 FROM ' . TOPICS_TABLE . '
120 WHERE forum_id = ' . $this->forum_id . '
121 AND topic_moved_id = 0
122 AND ' . $this->content_visibility->get_visibility_sql('topic', $this->forum_id) . '
123 ORDER BY topic_last_post_time DESC, topic_last_post_id DESC';
124 $result = $this->db->sql_query_limit($sql, $this->num_items);
125
126 $topic_ids = array();
127 $min_post_time = 0;
128 while ($row = $this->db->sql_fetchrow())
129 {
130 $topic_ids[] = (int) $row['topic_id'];
131
132 $min_post_time = (int) $row['topic_last_post_time'];
133 }
134 $this->db->sql_freeresult($result);
135
136 if (empty($topic_ids))
137 {
138 return false;
139 }
140
141 parent::fetch_attachments(array(), $topic_ids);
142
143 $this->sql = array(
144 'SELECT' => 'p.post_id, p.topic_id, p.post_time, p.post_edit_time, p.post_visibility, p.post_subject, p.post_text, p.bbcode_bitfield, p.bbcode_uid, p.enable_bbcode, p.enable_smilies, p.enable_magic_url, p.post_attachment, ' .
145 'u.username, u.user_id',
146 'FROM' => array(
147 POSTS_TABLE => 'p',
148 USERS_TABLE => 'u',
149 ),
150 'WHERE' => $this->db->sql_in_set('p.topic_id', $topic_ids) . '
151 AND ' . $this->content_visibility->get_visibility_sql('post', $this->forum_id, 'p.') . '
152 AND p.post_time >= ' . $min_post_time . '
153 AND p.poster_id = u.user_id',
154 'ORDER_BY' => 'p.post_time DESC, p.post_id DESC',
155 );
156
157 return true;
158 }
159
160 /**
161 * {@inheritdoc}
162 */
163 public function adjust_item(&$item_row, &$row)
164 {
165 parent::adjust_item($item_row, $row);
166
167 $item_row['title'] = (isset($row['forum_name']) && $row['forum_name'] !== '') ? $row['forum_name'] . ' ' . $this->separator . ' ' . $item_row['title'] : $item_row['title'];
168 $item_row['forum_id'] = $this->forum_id;
169 }
170
171 /**
172 * {@inheritdoc}
173 */
174 public function get_item()
175 {
176 return ($row = parent::get_item()) ? array_merge($this->forum_data, $row) : $row;
177 }
178 }
179