<?php
/**
*
* This file is part of the phpBB Forum Software package.
*
* @copyright (c) phpBB Limited <https://www.phpbb.com>
* @license GNU General Public License, version 2 (GPL-2.0)
*
* For full copyright and license information, please see
* the docs/CREDITS.txt file.
*
*/
namespace phpbb\feed;
use phpbb\feed\exception\no_feed_exception;
use phpbb\feed\exception\no_topic_exception;
use phpbb\feed\exception\unauthorized_forum_exception;
use phpbb\feed\exception\unauthorized_topic_exception;
/**
* Topic feed for a specific topic
*
* This will give you the last {$this->num_items} posts made within this topic.
*/
class topic extends post_base
{
protected $topic_id = 0;
protected $forum_id = 0;
protected $topic_data = array();
/**
* Set the Topic ID
*
* @param int $topic_id Topic ID
* @return \phpbb\feed\topic
*/
public function set_topic_id($topic_id)
{
$this->topic_id = (int) $topic_id;
return $this;
}
/**
* {@inheritdoc}
*/
public function open()
{
$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
FROM ' . TOPICS_TABLE . ' t
LEFT JOIN ' . FORUMS_TABLE . ' f
ON (f.forum_id = t.forum_id)
WHERE t.topic_id = ' . $this->topic_id;
$result = $this->db->sql_query($sql);
$this->topic_data = $this->db->sql_fetchrow($result);
$this->db->sql_freeresult($result);
if (empty($this->topic_data))
{
throw new no_topic_exception($this->topic_id);
}
$this->forum_id = (int) $this->topic_data['forum_id'];
// Make sure topic is either approved or user authed
if ($this->topic_data['topic_visibility'] != ITEM_APPROVED && !$this->auth->acl_get('m_approve', $this->forum_id))
{
if ($this->user->data['user_id'] != ANONYMOUS)
{
send_status_line(403, 'Forbidden');
}
else
{
send_status_line(401, 'Unauthorized');
}
throw new unauthorized_topic_exception($this->topic_id);
}
// Make sure forum is not excluded from feed
if (phpbb_optionget(FORUM_OPTION_FEED_EXCLUDE, $this->topic_data['forum_options']))
{
throw new no_feed_exception();
}
// Make sure we can read this forum
if (!$this->auth->acl_get('f_read', $this->forum_id))
{
if ($this->user->data['user_id'] != ANONYMOUS)
{
send_status_line(403, 'Forbidden');
}
else
{
send_status_line(401, 'Unauthorized');
}
throw new unauthorized_forum_exception($this->forum_id);
}
// Make sure forum is not passworded or user is authed
if ($this->topic_data['forum_password'])
{
$forum_ids_passworded = $this->get_passworded_forums();
if (isset($forum_ids_passworded[$this->forum_id]))
{
if ($this->user->data['user_id'] != ANONYMOUS)
{
send_status_line(403, 'Forbidden');
}
else
{
send_status_line(401, 'Unauthorized');
}
throw new unauthorized_forum_exception($this->forum_id);
}
unset($forum_ids_passworded);
}
parent::open();
}
/**
* {@inheritdoc}
*/
protected function get_sql()
{
parent::fetch_attachments();
$this->sql = array(
'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, ' .
'u.username, u.user_id',
'FROM' => array(
POSTS_TABLE => 'p',
USERS_TABLE => 'u',
),
'WHERE' => 'p.topic_id = ' . $this->topic_id . '
AND ' . $this->content_visibility->get_visibility_sql('post', $this->forum_id, 'p.') . '
AND p.poster_id = u.user_id',
'ORDER_BY' => 'p.post_time DESC, p.post_id DESC',
);
return true;
}
/**
* {@inheritdoc}
*/
public function adjust_item(&$item_row, &$row)
{
parent::adjust_item($item_row, $row);
$item_row['forum_id'] = $this->forum_id;
}
/**
* {@inheritdoc}
*/
public function get_item()
{
return ($row = parent::get_item()) ? array_merge($this->topic_data, $row) : $row;
}
}