133 lines
3.4 KiB
PHP
133 lines
3.4 KiB
PHP
<?php
|
|
/**
|
|
* Copyright (c) 2015 Joas Schilling <nickvergessen@owncloud.com>
|
|
* This file is licensed under the Affero General Public License version 3 or
|
|
* later.
|
|
* See the COPYING-README file.
|
|
*/
|
|
|
|
namespace OC\Repair;
|
|
|
|
use OC\DB\Connection;
|
|
use OC\Hooks\BasicEmitter;
|
|
use OC\RepairStep;
|
|
|
|
/**
|
|
* Class RepairConfig
|
|
*
|
|
* @package OC\Repair
|
|
*/
|
|
class CleanTags extends BasicEmitter implements RepairStep {
|
|
|
|
/** @var Connection */
|
|
protected $connection;
|
|
|
|
/**
|
|
* @param Connection $connection
|
|
*/
|
|
public function __construct(Connection $connection) {
|
|
$this->connection = $connection;
|
|
}
|
|
|
|
/**
|
|
* @return string
|
|
*/
|
|
public function getName() {
|
|
return 'Clean tags and favorites';
|
|
}
|
|
|
|
/**
|
|
* Updates the configuration after running an update
|
|
*/
|
|
public function run() {
|
|
$this->deleteOrphanFileEntries();
|
|
$this->deleteOrphanTagEntries();
|
|
$this->deleteOrphanCategoryEntries();
|
|
}
|
|
|
|
/**
|
|
* Delete tag entries for deleted files
|
|
*/
|
|
protected function deleteOrphanFileEntries() {
|
|
$this->deleteOrphanEntries(
|
|
'%d tags for delete files have been removed.',
|
|
'*PREFIX*vcategory_to_object', 'objid',
|
|
'*PREFIX*filecache', 'fileid', 'path_hash'
|
|
);
|
|
}
|
|
|
|
/**
|
|
* Delete tag entries for deleted tags
|
|
*/
|
|
protected function deleteOrphanTagEntries() {
|
|
$this->deleteOrphanEntries(
|
|
'%d tag entries for deleted tags have been removed.',
|
|
'*PREFIX*vcategory_to_object', 'categoryid',
|
|
'*PREFIX*vcategory', 'id', 'uid'
|
|
);
|
|
}
|
|
|
|
/**
|
|
* Delete tags that have no entries
|
|
*/
|
|
protected function deleteOrphanCategoryEntries() {
|
|
$this->deleteOrphanEntries(
|
|
'%d tags with no entries have been removed.',
|
|
'*PREFIX*vcategory', 'id',
|
|
'*PREFIX*vcategory_to_object', 'categoryid', 'type'
|
|
);
|
|
}
|
|
|
|
/**
|
|
* Deletes all entries from $deleteTable that do not have a matching entry in $sourceTable
|
|
*
|
|
* A query joins $deleteTable.$deleteId = $sourceTable.$sourceId and checks
|
|
* whether $sourceNullColumn is null. If it is null, the entry in $deleteTable
|
|
* is being deleted.
|
|
*
|
|
* @param string $repairInfo
|
|
* @param string $deleteTable
|
|
* @param string $deleteId
|
|
* @param string $sourceTable
|
|
* @param string $sourceId
|
|
* @param string $sourceNullColumn If this column is null in the source table,
|
|
* the entry is deleted in the $deleteTable
|
|
*/
|
|
protected function deleteOrphanEntries($repairInfo, $deleteTable, $deleteId, $sourceTable, $sourceId, $sourceNullColumn) {
|
|
$qb = $this->connection->createQueryBuilder();
|
|
|
|
$qb->select('d.`' . $deleteId . '`')
|
|
->from('`' . $deleteTable . '`', 'd')
|
|
->leftJoin('d', '`' . $sourceTable . '`', 's', 'd.`' . $deleteId . '` = s.`' . $sourceId . '`')
|
|
->where(
|
|
'd.`type` = ' . $qb->expr()->literal('files')
|
|
)
|
|
->andWhere(
|
|
$qb->expr()->isNull('s.`' . $sourceNullColumn . '`')
|
|
);
|
|
$result = $qb->execute();
|
|
|
|
$orphanItems = array();
|
|
while ($row = $result->fetch()) {
|
|
$orphanItems[] = (int) $row[$deleteId];
|
|
}
|
|
|
|
if (!empty($orphanItems)) {
|
|
$orphanItemsBatch = array_chunk($orphanItems, 200);
|
|
foreach ($orphanItemsBatch as $items) {
|
|
$qb->delete('`' . $deleteTable . '`')
|
|
->where(
|
|
'`type` = ' . $qb->expr()->literal('files')
|
|
)
|
|
->andWhere($qb->expr()->in('`' . $deleteId . '`', ':ids'));
|
|
$qb->setParameter('ids', $items, \Doctrine\DBAL\Connection::PARAM_INT_ARRAY);
|
|
$qb->execute();
|
|
}
|
|
}
|
|
|
|
if ($repairInfo) {
|
|
$this->emit('\OC\Repair', 'info', array(sprintf($repairInfo, sizeof($orphanItems))));
|
|
}
|
|
}
|
|
}
|