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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\db\migration\data\v330;
class remove_attachment_flash extends \phpbb\db\migration\migration
{
// Following constants were deprecated in 3.3
// and moved from constants.php to compatibility_globals.php,
// thus define them as class constants
const ATTACHMENT_CATEGORY_FLASH = 5;
protected $cat_id = array(
self::ATTACHMENT_CATEGORY_FLASH,
);
public static function depends_on()
{
return ['\phpbb\db\migration\data\v330\dev',];
}
public function update_data()
{
return array(
array('custom', array(array($this, 'remove_flash_group'))),
);
}
public function remove_flash_group()
{
// select group ids of outdated media
$sql = 'SELECT group_id
FROM ' . EXTENSION_GROUPS_TABLE . '
WHERE ' . $this->db->sql_in_set('cat_id', $this->cat_id);
$result = $this->db->sql_query($sql);
$group_ids = array();
while ($group_id = (int) $this->db->sql_fetchfield('group_id'))
{
$group_ids[] = $group_id;
}
$this->db->sql_freeresult($result);
// nothing to do, admin has removed all the outdated media extension groups
if (empty($group_ids))
{
return true;
}
// get the group id of downloadable files
$sql = 'SELECT group_id
FROM ' . EXTENSION_GROUPS_TABLE . "
WHERE group_name = 'DOWNLOADABLE_FILES'";
$result = $this->db->sql_query($sql);
$download_id = (int) $this->db->sql_fetchfield('group_id');
$this->db->sql_freeresult($result);
if (empty($download_id))
{
$sql = 'UPDATE ' . EXTENSIONS_TABLE . '
SET group_id = 0
WHERE ' . $this->db->sql_in_set('group_id', $group_ids);
}
else
{
// move outdated media extensions to downloadable files
$sql = 'UPDATE ' . EXTENSIONS_TABLE . "
SET group_id = $download_id" . '
WHERE ' . $this->db->sql_in_set('group_id', $group_ids);
}
$this->db->sql_query($sql);
// delete the now empty, outdated media extension groups
$sql = 'DELETE FROM ' . EXTENSION_GROUPS_TABLE . '
WHERE ' . $this->db->sql_in_set('group_id', $group_ids);
$this->db->sql_query($sql);
}
}
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