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| 1 | <?php |
| 2 | /** |
| 3 | * This program is free software; you can redistribute it and/or modify |
| 4 | * it under the terms of the GNU General Public License as published by |
| 5 | * the Free Software Foundation; either version 2 of the License, or |
| 6 | * (at your option) any later version. |
| 7 | * |
| 8 | * This program is distributed in the hope that it will be useful, |
| 9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 11 | * GNU General Public License for more details. |
| 12 | * |
| 13 | * You should have received a copy of the GNU General Public License along |
| 14 | * with this program; if not, write to the Free Software Foundation, Inc., |
| 15 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
| 16 | * http://www.gnu.org/copyleft/gpl.html |
| 17 | * |
| 18 | * @file |
| 19 | */ |
| 20 | |
| 21 | use MediaWiki\Deferred\LinksUpdate\LinksDeletionUpdate; |
| 22 | use MediaWiki\Deferred\LinksUpdate\LinksUpdate; |
| 23 | use MediaWiki\MediaWikiServices; |
| 24 | use MediaWiki\Title\Title; |
| 25 | use Wikimedia\Rdbms\IDBAccessObject; |
| 26 | |
| 27 | /** |
| 28 | * Job to prune link tables for pages that were deleted |
| 29 | * |
| 30 | * @internal For use by core in LinksDeletionUpdate only. |
| 31 | * @since 1.27 |
| 32 | * @ingroup JobQueue |
| 33 | */ |
| 34 | class DeleteLinksJob extends Job { |
| 35 | public function __construct( Title $title, array $params ) { |
| 36 | parent::__construct( 'deleteLinks', $title, $params ); |
| 37 | $this->removeDuplicates = true; |
| 38 | } |
| 39 | |
| 40 | public function run() { |
| 41 | if ( $this->title === null ) { |
| 42 | $this->setLastError( "deleteLinks: Invalid title" ); |
| 43 | return false; |
| 44 | } |
| 45 | |
| 46 | $pageId = $this->params['pageId']; |
| 47 | |
| 48 | // Serialize links updates by page ID so they see each others' changes |
| 49 | $dbw = MediaWikiServices::getInstance()->getConnectionProvider()->getPrimaryDatabase(); |
| 50 | $scopedLock = LinksUpdate::acquirePageLock( $dbw, $pageId, 'job' ); |
| 51 | if ( $scopedLock === null ) { |
| 52 | $this->setLastError( 'LinksUpdate already running for this page, try again later.' ); |
| 53 | return false; |
| 54 | } |
| 55 | |
| 56 | $services = MediaWikiServices::getInstance(); |
| 57 | $wikiPageFactory = $services->getWikiPageFactory(); |
| 58 | if ( $wikiPageFactory->newFromID( $pageId, IDBAccessObject::READ_LATEST ) ) { |
| 59 | // The page was restored somehow or something went wrong |
| 60 | $this->setLastError( "deleteLinks: Page #$pageId exists" ); |
| 61 | return false; |
| 62 | } |
| 63 | |
| 64 | $dbProvider = $services->getConnectionProvider(); |
| 65 | $timestamp = $this->params['timestamp'] ?? null; |
| 66 | $page = $wikiPageFactory->newFromTitle( $this->title ); // title when deleted |
| 67 | |
| 68 | $update = new LinksDeletionUpdate( $page, $pageId, $timestamp ); |
| 69 | $update->setTransactionTicket( $dbProvider->getEmptyTransactionTicket( __METHOD__ ) ); |
| 70 | $update->doUpdate(); |
| 71 | |
| 72 | return true; |
| 73 | } |
| 74 | } |