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<?php
/**
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
* http://www.gnu.org/copyleft/gpl.html
*
* @file
* @ingroup RevisionDelete
*/
use MediaWiki\Cache\HTMLCacheUpdater;
use MediaWiki\Context\IContextSource;
use MediaWiki\FileRepo\File\FileSelectQueryBuilder;
use MediaWiki\Page\PageIdentity;
use MediaWiki\Status\Status;
use Wikimedia\Rdbms\IReadableDatabase;
use Wikimedia\Rdbms\IResultWrapper;
use Wikimedia\Rdbms\LBFactory;
use Wikimedia\Rdbms\SelectQueryBuilder;
/**
* List for oldimage table items
*/
class RevDelFileList extends RevDelList {
protected const SUPPRESS_BIT = File::DELETED_RESTRICTED;
/** @var HTMLCacheUpdater */
private $htmlCacheUpdater;
/** @var RepoGroup */
private $repoGroup;
/** @var array */
public $storeBatch;
/** @var array */
public $deleteBatch;
/** @var array */
public $cleanupBatch;
/**
* @param IContextSource $context
* @param PageIdentity $page
* @param array $ids
* @param LBFactory $lbFactory
* @param HTMLCacheUpdater $htmlCacheUpdater
* @param RepoGroup $repoGroup
*/
public function __construct(
IContextSource $context,
PageIdentity $page,
array $ids,
LBFactory $lbFactory,
HTMLCacheUpdater $htmlCacheUpdater,
RepoGroup $repoGroup
) {
parent::__construct( $context, $page, $ids, $lbFactory );
$this->htmlCacheUpdater = $htmlCacheUpdater;
$this->repoGroup = $repoGroup;
}
public function getType() {
return 'oldimage';
}
public static function getRelationType() {
return 'oi_archive_name';
}
public static function getRestriction() {
return 'deleterevision';
}
public static function getRevdelConstant() {
return File::DELETED_FILE;
}
/**
* @param IReadableDatabase $db
* @return IResultWrapper
*/
public function doQuery( $db ) {
$archiveNames = [];
foreach ( $this->ids as $timestamp ) {
$archiveNames[] = $timestamp . '!' . $this->page->getDBkey();
}
$queryBuilder = FileSelectQueryBuilder::newForOldFile( $db );
$queryBuilder
->where( [ 'oi_name' => $this->page->getDBkey(), 'oi_archive_name' => $archiveNames ] )
->orderBy( 'oi_timestamp', SelectQueryBuilder::SORT_DESC );
return $queryBuilder->caller( __METHOD__ )->fetchResultSet();
}
public function newItem( $row ) {
return new RevDelFileItem( $this, $row );
}
public function clearFileOps() {
$this->deleteBatch = [];
$this->storeBatch = [];
$this->cleanupBatch = [];
}
public function doPreCommitUpdates() {
$status = Status::newGood();
$repo = $this->repoGroup->getLocalRepo();
if ( $this->storeBatch ) {
$status->merge( $repo->storeBatch( $this->storeBatch, FileRepo::OVERWRITE_SAME ) );
}
if ( !$status->isOK() ) {
return $status;
}
if ( $this->deleteBatch ) {
$status->merge( $repo->deleteBatch( $this->deleteBatch ) );
}
if ( !$status->isOK() ) {
// Running cleanupDeletedBatch() after a failed storeBatch() with the DB already
// modified (but destined for rollback) causes data loss
return $status;
}
if ( $this->cleanupBatch ) {
$status->merge( $repo->cleanupDeletedBatch( $this->cleanupBatch ) );
}
return $status;
}
public function doPostCommitUpdates( array $visibilityChangeMap ) {
$file = $this->repoGroup->getLocalRepo()->newFile( $this->page );
$file->purgeCache();
$file->purgeDescription();
// Purge full images from cache
$purgeUrls = [];
foreach ( $this->ids as $timestamp ) {
$archiveName = $timestamp . '!' . $this->page->getDBkey();
$file->purgeOldThumbnails( $archiveName );
$purgeUrls[] = $file->getArchiveUrl( $archiveName );
}
$this->htmlCacheUpdater->purgeUrls(
$purgeUrls,
HTMLCacheUpdater::PURGE_INTENT_TXROUND_REFLECTED
);
return Status::newGood();
}
}
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