<?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_forum_exception;
use phpbb\feed\exception\unauthorized_forum_exception;
/**
* Forum feed
*
* This will give you the last {$this->num_items} posts made
* within a specific forum.
*/
class forum extends post_base
{
protected $forum_id = 0;
protected $forum_data = array();
/**
* Set the Forum ID
*
* @param int $forum_id Forum ID
* @return \phpbb\feed\forum
*/
public function set_forum_id($forum_id)
{
$this->forum_id = (int) $forum_id;
return $this;
}
/**
* {@inheritdoc}
*/
public function open()
{
// Check if forum exists
$sql = 'SELECT forum_id, forum_name, forum_password, forum_type, forum_options
FROM ' . FORUMS_TABLE . '
WHERE forum_id = ' . $this->forum_id;
$result = $this->db->sql_query($sql);
$this->forum_data = $this->db->sql_fetchrow($result);
$this->db->sql_freeresult($result);
if (empty($this->forum_data))
{
throw new no_forum_exception($this->forum_id);
}
// Forum needs to be postable
if ($this->forum_data['forum_type'] != FORUM_POST)
{
throw new no_feed_exception();
}
// Make sure forum is not excluded from feed
if (phpbb_optionget(FORUM_OPTION_FEED_EXCLUDE, $this->forum_data['forum_options']))
{
throw new no_feed_exception();
}
// Make sure we can read this forum
if (!$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->forum_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()
{
// Determine topics with recent activity
$sql = 'SELECT topic_id, topic_last_post_time
FROM ' . TOPICS_TABLE . '
WHERE forum_id = ' . $this->forum_id . '
AND topic_moved_id = 0
AND ' . $this->content_visibility->get_visibility_sql('topic', $this->forum_id) . '
ORDER BY topic_last_post_time DESC, topic_last_post_id DESC';
$result = $this->db->sql_query_limit($sql, $this->num_items);
$topic_ids = array();
$min_post_time = 0;
while ($row = $this->db->sql_fetchrow())
{
$topic_ids[] = (int) $row['topic_id'];
$min_post_time = (int) $row['topic_last_post_time'];
}
$this->db->sql_freeresult($result);
if (empty($topic_ids))
{
return false;
}
parent::fetch_attachments(array(), $topic_ids);
$this->sql = array(
'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, ' .
'u.username, u.user_id',
'FROM' => array(
POSTS_TABLE => 'p',
USERS_TABLE => 'u',
),
'WHERE' => $this->db->sql_in_set('p.topic_id', $topic_ids) . '
AND ' . $this->content_visibility->get_visibility_sql('post', $this->forum_id, 'p.') . '
AND p.post_time >= ' . $min_post_time . '
AND p.poster_id = u.user_id',
'ORDER_BY' => 'p.post_time DESC, p.post_id DESC',
);
return true;
}
/**
* {@inheritdoc}
*/
public function adjust_item(&$item_row, &$row)
{
parent::adjust_item($item_row, $row);
$item_row['title'] = (isset($row['forum_name']) && $row['forum_name'] !== '') ? $row['forum_name'] . ' ' . $this->separator . ' ' . $item_row['title'] : $item_row['title'];
$item_row['forum_id'] = $this->forum_id;
}
/**
* {@inheritdoc}
*/
public function get_item()
{
return ($row = parent::get_item()) ? array_merge($this->forum_data, $row) : $row;
}
}