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/phpbb/feed/ -> forum.php (source)

   1  <?php
   2  /**
   3   *
   4   * This file is part of the phpBB Forum Software package.
   5   *
   6   * @copyright (c) phpBB Limited <https://www.phpbb.com>
   7   * @license GNU General Public License, version 2 (GPL-2.0)
   8   *
   9   * For full copyright and license information, please see
  10   * the docs/CREDITS.txt file.
  11   *
  12   */
  13  
  14  namespace phpbb\feed;
  15  
  16  use phpbb\feed\exception\no_feed_exception;
  17  use phpbb\feed\exception\no_forum_exception;
  18  use phpbb\feed\exception\unauthorized_forum_exception;
  19  
  20  /**
  21   * Forum feed
  22   *
  23   * This will give you the last {$this->num_items} posts made
  24   * within a specific forum.
  25   */
  26  class forum extends post_base
  27  {
  28      protected $forum_id        = 0;
  29      protected $forum_data    = array();
  30  
  31      /**
  32       * Set the Forum ID
  33       *
  34       * @param int    $forum_id            Forum ID
  35       * @return    \phpbb\feed\forum
  36       */
  37  	public function set_forum_id($forum_id)
  38      {
  39          $this->forum_id = (int) $forum_id;
  40  
  41          return $this;
  42      }
  43  
  44      /**
  45       * {@inheritdoc}
  46       */
  47  	public function open()
  48      {
  49          // Check if forum exists
  50          $sql = 'SELECT forum_id, forum_name, forum_password, forum_type, forum_options
  51              FROM ' . FORUMS_TABLE . '
  52              WHERE forum_id = ' . $this->forum_id;
  53          $result = $this->db->sql_query($sql);
  54          $this->forum_data = $this->db->sql_fetchrow($result);
  55          $this->db->sql_freeresult($result);
  56  
  57          if (empty($this->forum_data))
  58          {
  59              throw new no_forum_exception($this->forum_id);
  60          }
  61  
  62          // Forum needs to be postable
  63          if ($this->forum_data['forum_type'] != FORUM_POST)
  64          {
  65              throw new no_feed_exception();
  66          }
  67  
  68          // Make sure forum is not excluded from feed
  69          if (phpbb_optionget(FORUM_OPTION_FEED_EXCLUDE, $this->forum_data['forum_options']))
  70          {
  71              throw new no_feed_exception();
  72          }
  73  
  74          // Make sure we can read this forum
  75          if (!$this->auth->acl_get('f_read', $this->forum_id))
  76          {
  77              if ($this->user->data['user_id'] != ANONYMOUS)
  78              {
  79                  send_status_line(403, 'Forbidden');
  80              }
  81              else
  82              {
  83                  send_status_line(401, 'Unauthorized');
  84              }
  85              throw new unauthorized_forum_exception($this->forum_id);
  86          }
  87  
  88          // Make sure forum is not passworded or user is authed
  89          if ($this->forum_data['forum_password'])
  90          {
  91              $forum_ids_passworded = $this->get_passworded_forums();
  92  
  93              if (isset($forum_ids_passworded[$this->forum_id]))
  94              {
  95                  if ($this->user->data['user_id'] != ANONYMOUS)
  96                  {
  97                      send_status_line(403, 'Forbidden');
  98                  }
  99                  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  }


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