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| 1 | <?php |
| 2 | /** |
| 3 | * @license GPL-2.0-or-later |
| 4 | * @file |
| 5 | */ |
| 6 | |
| 7 | namespace MediaWiki\Page; |
| 8 | |
| 9 | use MediaWiki\Deferred\LinksUpdate\LinksDeletionUpdate; |
| 10 | use MediaWiki\Deferred\LinksUpdate\LinksUpdate; |
| 11 | use MediaWiki\JobQueue\Job; |
| 12 | use MediaWiki\MediaWikiServices; |
| 13 | use MediaWiki\Title\Title; |
| 14 | use Wikimedia\Rdbms\IDBAccessObject; |
| 15 | |
| 16 | /** |
| 17 | * Job to prune link tables for pages that were deleted |
| 18 | * |
| 19 | * @internal For use by core in LinksDeletionUpdate only. |
| 20 | * @since 1.27 |
| 21 | * @ingroup Page |
| 22 | */ |
| 23 | class DeleteLinksJob extends Job { |
| 24 | public function __construct( Title $title, array $params ) { |
| 25 | parent::__construct( 'deleteLinks', $title, $params ); |
| 26 | $this->removeDuplicates = true; |
| 27 | } |
| 28 | |
| 29 | /** @inheritDoc */ |
| 30 | public function run() { |
| 31 | if ( $this->title === null ) { |
| 32 | $this->setLastError( "deleteLinks: Invalid title" ); |
| 33 | return false; |
| 34 | } |
| 35 | |
| 36 | $pageId = $this->params['pageId']; |
| 37 | |
| 38 | // Serialize links updates by page ID so they see each others' changes |
| 39 | $dbw = MediaWikiServices::getInstance()->getConnectionProvider()->getPrimaryDatabase(); |
| 40 | $scopedLock = LinksUpdate::acquirePageLock( $dbw, $pageId, 'job' ); |
| 41 | if ( $scopedLock === null ) { |
| 42 | $this->setLastError( 'LinksUpdate already running for this page, try again later.' ); |
| 43 | return false; |
| 44 | } |
| 45 | |
| 46 | $services = MediaWikiServices::getInstance(); |
| 47 | $wikiPageFactory = $services->getWikiPageFactory(); |
| 48 | if ( $wikiPageFactory->newFromID( $pageId, IDBAccessObject::READ_LATEST ) ) { |
| 49 | // The page was restored somehow or something went wrong |
| 50 | $this->setLastError( "deleteLinks: Page #$pageId exists" ); |
| 51 | return false; |
| 52 | } |
| 53 | |
| 54 | $dbProvider = $services->getConnectionProvider(); |
| 55 | $timestamp = $this->params['timestamp'] ?? null; |
| 56 | $page = $wikiPageFactory->newFromTitle( $this->title ); // title when deleted |
| 57 | |
| 58 | $update = new LinksDeletionUpdate( $page, $pageId, $timestamp ); |
| 59 | $update->setTransactionTicket( $dbProvider->getEmptyTransactionTicket( __METHOD__ ) ); |
| 60 | $update->doUpdate(); |
| 61 | |
| 62 | return true; |
| 63 | } |
| 64 | } |