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   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  /**
  17  * Forum feed
  18  *
  19  * This will give you the last {$this->num_items} posts made
  20  * within a specific forum.
  21  */
  22  class forum extends \phpbb\feed\post_base
  23  {
  24      var $forum_id        = 0;
  25      var $forum_data        = array();
  26  
  27      /**
  28      * Set the Forum ID
  29      *
  30      * @param int    $forum_id            Forum ID
  31      * @return    \phpbb\feed\forum
  32      */
  33  	public function set_forum_id($forum_id)
  34      {
  35          $this->forum_id = (int) $forum_id;
  36  
  37          return $this;
  38      }
  39  
  40  	function open()
  41      {
  42          // Check if forum exists
  43          $sql = 'SELECT forum_id, forum_name, forum_password, forum_type, forum_options
  44              FROM ' . FORUMS_TABLE . '
  45              WHERE forum_id = ' . $this->forum_id;
  46          $result = $this->db->sql_query($sql);
  47          $this->forum_data = $this->db->sql_fetchrow($result);
  48          $this->db->sql_freeresult($result);
  49  
  50          if (empty($this->forum_data))
  51          {
  52              trigger_error('NO_FORUM');
  53          }
  54  
  55          // Forum needs to be postable
  56          if ($this->forum_data['forum_type'] != FORUM_POST)
  57          {
  58              trigger_error('NO_FEED');
  59          }
  60  
  61          // Make sure forum is not excluded from feed
  62          if (phpbb_optionget(FORUM_OPTION_FEED_EXCLUDE, $this->forum_data['forum_options']))
  63          {
  64              trigger_error('NO_FEED');
  65          }
  66  
  67          // Make sure we can read this forum
  68          if (!$this->auth->acl_get('f_read', $this->forum_id))
  69          {
  70              trigger_error('SORRY_AUTH_READ');
  71          }
  72  
  73          // Make sure forum is not passworded or user is authed
  74          if ($this->forum_data['forum_password'])
  75          {
  76              $forum_ids_passworded = $this->get_passworded_forums();
  77  
  78              if (isset($forum_ids_passworded[$this->forum_id]))
  79              {
  80                  trigger_error('SORRY_AUTH_READ');
  81              }
  82  
  83              unset($forum_ids_passworded);
  84          }
  85  
  86          parent::open();
  87      }
  88  
  89  	function get_sql()
  90      {
  91          // Determine topics with recent activity
  92          $sql = 'SELECT topic_id, topic_last_post_time
  93              FROM ' . TOPICS_TABLE . '
  94              WHERE forum_id = ' . $this->forum_id . '
  95                  AND topic_moved_id = 0
  96                  AND ' . $this->content_visibility->get_visibility_sql('topic', $this->forum_id) . '
  97              ORDER BY topic_last_post_time DESC, topic_last_post_id DESC';
  98          $result = $this->db->sql_query_limit($sql, $this->num_items);
  99  
 100          $topic_ids = array();
 101          $min_post_time = 0;
 102          while ($row = $this->db->sql_fetchrow())
 103          {
 104              $topic_ids[] = (int) $row['topic_id'];
 105  
 106              $min_post_time = (int) $row['topic_last_post_time'];
 107          }
 108          $this->db->sql_freeresult($result);
 109  
 110          if (empty($topic_ids))
 111          {
 112              return false;
 113          }
 114  
 115          parent::fetch_attachments(array(), $topic_ids);
 116  
 117          $this->sql = array(
 118              '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, ' .
 119                              'u.username, u.user_id',
 120              'FROM'        => array(
 121                  POSTS_TABLE        => 'p',
 122                  USERS_TABLE        => 'u',
 123              ),
 124              'WHERE'        => $this->db->sql_in_set('p.topic_id', $topic_ids) . '
 125                              AND ' . $this->content_visibility->get_visibility_sql('post', $this->forum_id, 'p.') . '
 126                              AND p.post_time >= ' . $min_post_time . '
 127                              AND p.poster_id = u.user_id',
 128              'ORDER_BY'    => 'p.post_time DESC, p.post_id DESC',
 129          );
 130  
 131          return true;
 132      }
 133  
 134  	function adjust_item(&$item_row, &$row)
 135      {
 136          parent::adjust_item($item_row, $row);
 137  
 138          $item_row['title'] = (isset($row['forum_name']) && $row['forum_name'] !== '') ? $row['forum_name'] . ' ' . $this->separator . ' ' . $item_row['title'] : $item_row['title'];
 139          $item_row['forum_id'] = $this->forum_id;
 140      }
 141  
 142  	function get_item()
 143      {
 144          return ($row = parent::get_item()) ? array_merge($this->forum_data, $row) : $row;
 145      }
 146  }