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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  * Topic feed for a specific topic
  18  *
  19  * This will give you the last {$this->num_items} posts made within this topic.
  20  */
  21  class topic extends \phpbb\feed\post_base
  22  {
  23      var $topic_id        = 0;
  24      var $forum_id        = 0;
  25      var $topic_data        = array();
  26  
  27      /**
  28      * Set the Topic ID
  29      *
  30      * @param int    $topic_id            Topic ID
  31      * @return    \phpbb\feed\topic
  32      */
  33  	public function set_topic_id($topic_id)
  34      {
  35          $this->topic_id = (int) $topic_id;
  36  
  37          return $this;
  38      }
  39  
  40  	function open()
  41      {
  42          $sql = 'SELECT f.forum_options, f.forum_password, t.topic_id, t.forum_id, t.topic_visibility, t.topic_title, t.topic_time, t.topic_views, t.topic_posts_approved, t.topic_type
  43              FROM ' . TOPICS_TABLE . ' t
  44              LEFT JOIN ' . FORUMS_TABLE . ' f
  45                  ON (f.forum_id = t.forum_id)
  46              WHERE t.topic_id = ' . $this->topic_id;
  47          $result = $this->db->sql_query($sql);
  48          $this->topic_data = $this->db->sql_fetchrow($result);
  49          $this->db->sql_freeresult($result);
  50  
  51          if (empty($this->topic_data))
  52          {
  53              trigger_error('NO_TOPIC');
  54          }
  55  
  56          $this->forum_id = (int) $this->topic_data['forum_id'];
  57  
  58          // Make sure topic is either approved or user authed
  59          if ($this->topic_data['topic_visibility'] != ITEM_APPROVED && !$this->auth->acl_get('m_approve', $this->forum_id))
  60          {
  61              trigger_error('SORRY_AUTH_READ');
  62          }
  63  
  64          // Make sure forum is not excluded from feed
  65          if (phpbb_optionget(FORUM_OPTION_FEED_EXCLUDE, $this->topic_data['forum_options']))
  66          {
  67              trigger_error('NO_FEED');
  68          }
  69  
  70          // Make sure we can read this forum
  71          if (!$this->auth->acl_get('f_read', $this->forum_id))
  72          {
  73              trigger_error('SORRY_AUTH_READ');
  74          }
  75  
  76          // Make sure forum is not passworded or user is authed
  77          if ($this->topic_data['forum_password'])
  78          {
  79              $forum_ids_passworded = $this->get_passworded_forums();
  80  
  81              if (isset($forum_ids_passworded[$this->forum_id]))
  82              {
  83                  trigger_error('SORRY_AUTH_READ');
  84              }
  85  
  86              unset($forum_ids_passworded);
  87          }
  88  
  89          parent::open();
  90      }
  91  
  92  	function get_sql()
  93      {
  94          parent::fetch_attachments();
  95  
  96          $this->sql = array(
  97              'SELECT'    =>    'p.post_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, ' .
  98                              'u.username, u.user_id',
  99              'FROM'        => array(
 100                  POSTS_TABLE        => 'p',
 101                  USERS_TABLE        => 'u',
 102              ),
 103              'WHERE'        => 'p.topic_id = ' . $this->topic_id . '
 104                                  AND ' . $this->content_visibility->get_visibility_sql('post', $this->forum_id, 'p.') . '
 105                                  AND p.poster_id = u.user_id',
 106              'ORDER_BY'    => 'p.post_time DESC, p.post_id DESC',
 107          );
 108  
 109          return true;
 110      }
 111  
 112  	function adjust_item(&$item_row, &$row)
 113      {
 114          parent::adjust_item($item_row, $row);
 115  
 116          $item_row['forum_id'] = $this->forum_id;
 117      }
 118  
 119  	function get_item()
 120      {
 121          return ($row = parent::get_item()) ? array_merge($this->topic_data, $row) : $row;
 122      }
 123  }