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Diffstat (limited to 'www/wiki/includes/jobqueue/jobs/DeleteLinksJob.php')
-rw-r--r-- | www/wiki/includes/jobqueue/jobs/DeleteLinksJob.php | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/www/wiki/includes/jobqueue/jobs/DeleteLinksJob.php b/www/wiki/includes/jobqueue/jobs/DeleteLinksJob.php new file mode 100644 index 00000000..d0969e46 --- /dev/null +++ b/www/wiki/includes/jobqueue/jobs/DeleteLinksJob.php @@ -0,0 +1,67 @@ +<?php +/** + * Job to update link tables for pages + * + * 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 JobQueue + */ + +use MediaWiki\MediaWikiServices; + +/** + * Job to prune link tables for pages that were deleted + * + * Only DataUpdate classes should construct these jobs + * + * @ingroup JobQueue + * @since 1.27 + */ +class DeleteLinksJob extends Job { + function __construct( Title $title, array $params ) { + parent::__construct( 'deleteLinks', $title, $params ); + $this->removeDuplicates = true; + } + + function run() { + if ( is_null( $this->title ) ) { + $this->setLastError( "deleteLinks: Invalid title" ); + return false; + } + + $pageId = $this->params['pageId']; + + // Serialize links updates by page ID so they see each others' changes + $scopedLock = LinksUpdate::acquirePageLock( wfGetDB( DB_MASTER ), $pageId, 'job' ); + + if ( WikiPage::newFromID( $pageId, WikiPage::READ_LATEST ) ) { + // The page was restored somehow or something went wrong + $this->setLastError( "deleteLinks: Page #$pageId exists" ); + return false; + } + + $factory = MediaWikiServices::getInstance()->getDBLoadBalancerFactory(); + $timestamp = isset( $this->params['timestamp'] ) ? $this->params['timestamp'] : null; + $page = WikiPage::factory( $this->title ); // title when deleted + + $update = new LinksDeletionUpdate( $page, $pageId, $timestamp ); + $update->setTransactionTicket( $factory->getEmptyTransactionTicket( __METHOD__ ) ); + $update->doUpdate(); + + return true; + } +} |