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| 1 | <?php |
| 2 | |
| 3 | namespace MediaWiki\Search; |
| 4 | |
| 5 | use MediaWiki\DomainEvent\EventSubscriberBase; |
| 6 | use MediaWiki\Page\Event\PageDeletedEvent; |
| 7 | use MediaWiki\Page\Event\PageRevisionUpdatedEvent; |
| 8 | use MediaWiki\Revision\RevisionRecord; |
| 9 | use MediaWiki\Revision\SlotRecord; |
| 10 | |
| 11 | /** |
| 12 | * The ingress adapter for the search component. It updates search related state |
| 13 | * according to domain events coming from other components. |
| 14 | * |
| 15 | * @internal |
| 16 | */ |
| 17 | class SearchEventIngress extends EventSubscriberBase { |
| 18 | |
| 19 | /** Object spec intended for use with {@link DomainEventSource::registerSubscriber()} */ |
| 20 | public const OBJECT_SPEC = [ |
| 21 | 'class' => self::class, |
| 22 | 'services' => [], |
| 23 | 'events' => [ |
| 24 | PageRevisionUpdatedEvent::TYPE, |
| 25 | PageDeletedEvent::TYPE, |
| 26 | ], |
| 27 | ]; |
| 28 | |
| 29 | /** |
| 30 | * Listener method for PageRevisionUpdatedEvent, to be registered with a DomainEventSource. |
| 31 | * |
| 32 | * @noinspection PhpUnused |
| 33 | */ |
| 34 | public function handlePageRevisionUpdatedEvent( PageRevisionUpdatedEvent $event ) { |
| 35 | $newRevision = $event->getNewRevision(); |
| 36 | $mainSlot = $newRevision->isDeleted( RevisionRecord::DELETED_TEXT ) |
| 37 | ? null : $newRevision->getSlot( SlotRecord::MAIN ); |
| 38 | |
| 39 | if ( |
| 40 | $event->isModifiedSlot( SlotRecord::MAIN ) || |
| 41 | $event->hasCause( PageRevisionUpdatedEvent::CAUSE_MOVE ) || |
| 42 | $event->isReconciliationRequest() |
| 43 | ) { |
| 44 | $update = new SearchUpdate( |
| 45 | $event->getPage()->getId(), |
| 46 | $event->getPage(), |
| 47 | $mainSlot ? $mainSlot->getContent() : null |
| 48 | ); |
| 49 | |
| 50 | $update->doUpdate(); |
| 51 | } |
| 52 | } |
| 53 | |
| 54 | /** |
| 55 | * Listener method for PageDeletedEvent, to be registered with a DomainEventSource. |
| 56 | * |
| 57 | * @noinspection PhpUnused |
| 58 | */ |
| 59 | public function handlePageDeletedEventAfterCommit( PageDeletedEvent $event ) { |
| 60 | $update = new SearchUpdate( |
| 61 | $event->getPageStateBefore()->getId(), |
| 62 | $event->getPage(), |
| 63 | null |
| 64 | ); |
| 65 | |
| 66 | $update->doUpdate(); |
| 67 | } |
| 68 | |
| 69 | } |