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<?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; | |
/** | |
* Abstract class for feeds displaying attachments | |
*/ | |
abstract class attachments_base extends base | |
{ | |
/** | |
* Attachments that may be displayed | |
*/ | |
protected $attachments = array(); | |
/** | |
* Retrieve the list of attachments that may be displayed | |
* | |
* @param array $post_ids Specify for which post IDs to fetch the attachments (optional) | |
* @param array $topic_ids Specify for which topic IDs to fetch the attachments (optional) | |
*/ | |
protected function fetch_attachments($post_ids = array(), $topic_ids = array()) | |
{ | |
$sql_array = array( | |
'SELECT' => 'a.*', | |
'FROM' => array( | |
ATTACHMENTS_TABLE => 'a' | |
), | |
'WHERE' => 'a.in_message = 0 ', | |
'ORDER_BY' => 'a.filetime DESC, a.post_msg_id ASC', | |
); | |
if (!empty($post_ids)) | |
{ | |
$sql_array['WHERE'] .= 'AND ' . $this->db->sql_in_set('a.post_msg_id', $post_ids); | |
} | |
else if (!empty($topic_ids)) | |
{ | |
if (isset($this->topic_id)) | |
{ | |
$topic_ids[] = $this->topic_id; | |
} | |
$sql_array['WHERE'] .= 'AND ' . $this->db->sql_in_set('a.topic_id', $topic_ids); | |
} | |
else if (isset($this->topic_id)) | |
{ | |
$sql_array['WHERE'] .= 'AND a.topic_id = ' . (int) $this->topic_id; | |
} | |
else if (isset($this->forum_id)) | |
{ | |
$sql_array['LEFT_JOIN'] = array( | |
array( | |
'FROM' => array(TOPICS_TABLE => 't'), | |
'ON' => 'a.topic_id = t.topic_id', | |
) | |
); | |
$sql_array['WHERE'] .= 'AND t.forum_id = ' . (int) $this->forum_id; | |
} | |
else | |
{ | |
// Do not allow querying the full attachments table | |
throw new \RuntimeException($this->user->lang('INVALID_FEED_ATTACHMENTS')); | |
} | |
$sql = $this->db->sql_build_query('SELECT', $sql_array); | |
$result = $this->db->sql_query($sql); | |
// Set attachments in feed items | |
while ($row = $this->db->sql_fetchrow($result)) | |
{ | |
$this->attachments[$row['post_msg_id']][] = $row; | |
} | |
$this->db->sql_freeresult($result); | |
} | |
/** | |
* Get attachments related to a given post | |
* | |
* @param int $post_id Post id | |
* @return mixed Attachments related to $post_id | |
*/ | |
public function get_attachments($post_id) | |
{ | |
return $this->attachments[$post_id]; | |
} | |
} |