<?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\v30x;
class release_3_0_11_rc1 extends \phpbb\db\migration\migration
{
public function effectively_installed()
{
return phpbb_version_compare($this->config['version'], '3.0.11-RC1', '>=');
}
static public function depends_on()
{
return array('\phpbb\db\migration\data\v30x\release_3_0_10');
}
public function update_data()
{
return array(
array('custom', array(array(&$this, 'cleanup_deactivated_styles'))),
array('custom', array(array(&$this, 'delete_orphan_private_messages'))),
array('config.update', array('version', '3.0.11-RC1')),
);
}
public function cleanup_deactivated_styles()
{
// Updates users having current style a deactivated one
$sql = 'SELECT style_id
FROM ' . STYLES_TABLE . '
WHERE style_active = 0';
$result = $this->sql_query($sql);
$deactivated_style_ids = array();
while ($style_id = $this->db->sql_fetchfield('style_id', false, $result))
{
$deactivated_style_ids[] = (int) $style_id;
}
$this->db->sql_freeresult($result);
if (!empty($deactivated_style_ids))
{
$sql = 'UPDATE ' . USERS_TABLE . '
SET user_style = ' . (int) $this->config['default_style'] .'
WHERE ' . $this->db->sql_in_set('user_style', $deactivated_style_ids);
$this->sql_query($sql);
}
}
public function delete_orphan_private_messages()
{
// Delete orphan private messages
$batch_size = 500;
$sql_array = array(
'SELECT' => 'p.msg_id',
'FROM' => array(
PRIVMSGS_TABLE => 'p',
),
'LEFT_JOIN' => array(
array(
'FROM' => array(PRIVMSGS_TO_TABLE => 't'),
'ON' => 'p.msg_id = t.msg_id',
),
),
'WHERE' => 't.user_id IS NULL',
);
$sql = $this->db->sql_build_query('SELECT', $sql_array);
$result = $this->db->sql_query_limit($sql, $batch_size);
$delete_pms = array();
while ($row = $this->db->sql_fetchrow($result))
{
$delete_pms[] = (int) $row['msg_id'];
}
$this->db->sql_freeresult($result);
if (!empty($delete_pms))
{
$sql = 'DELETE FROM ' . PRIVMSGS_TABLE . '
WHERE ' . $this->db->sql_in_set('msg_id', $delete_pms);
$this->sql_query($sql);
// Return false to have the Migrator call this function again
return false;
}
}
}