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DeleteLinksJob.php
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DeleteLinksJob.php
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<?php
/**
* @license GPL-2.0-or-later
* @file
*/
namespace MediaWiki\Page;
use MediaWiki\Deferred\LinksUpdate\LinksDeletionUpdate;
use MediaWiki\Deferred\LinksUpdate\LinksUpdate;
use MediaWiki\JobQueue\Job;
use MediaWiki\MediaWikiServices;
use MediaWiki\Title\Title;
use Wikimedia\Rdbms\IDBAccessObject;
/**
* Job to prune link tables for pages that were deleted
*
* @internal For use by core in LinksDeletionUpdate only.
* @since 1.27
* @ingroup Page
*/
class DeleteLinksJob extends Job {
public function __construct( Title $title, array $params ) {
parent::__construct( 'deleteLinks', $title, $params );
$this->removeDuplicates = true;
}
/** @inheritDoc */
public function run() {
if ( $this->title === null ) {
$this->setLastError( "deleteLinks: Invalid title" );
return false;
}
$pageId = $this->params['pageId'];
// Serialize links updates by page ID so they see each others' changes
$dbw = MediaWikiServices::getInstance()->getConnectionProvider()->getPrimaryDatabase();
$scopedLock = LinksUpdate::acquirePageLock( $dbw, $pageId, 'job' );
if ( $scopedLock === null ) {
$this->setLastError( 'LinksUpdate already running for this page, try again later.' );
return false;
}
$services = MediaWikiServices::getInstance();
$wikiPageFactory = $services->getWikiPageFactory();
if ( $wikiPageFactory->newFromID( $pageId, IDBAccessObject::READ_LATEST ) ) {
// The page was restored somehow or something went wrong
$this->setLastError( "deleteLinks: Page #$pageId exists" );
return false;
}
$dbProvider = $services->getConnectionProvider();
$timestamp = $this->params['timestamp'] ?? null;
$page = $wikiPageFactory->newFromTitle( $this->title ); // title when deleted
$update = new LinksDeletionUpdate( $page, $pageId, $timestamp );
$update->setTransactionTicket( $dbProvider->getEmptyTransactionTicket( __METHOD__ ) );
$update->doUpdate();
return true;
}
}

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Wed, Aug 19, 15:52 (3 w, 6 d ago)
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DeleteLinksJob.php (1 KB)

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