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| 1 | <?php |
| 2 | |
| 3 | namespace MediaWiki\Language; |
| 4 | |
| 5 | use MediaWiki\DomainEvent\DomainEventIngress; |
| 6 | use MediaWiki\Page\Event\PageDeletedEvent; |
| 7 | use MediaWiki\Page\Event\PageDeletedListener; |
| 8 | use MediaWiki\Page\Event\PageLatestRevisionChangedEvent; |
| 9 | use MediaWiki\Page\Event\PageLatestRevisionChangedListener; |
| 10 | use MediaWiki\Revision\SlotRecord; |
| 11 | |
| 12 | /** |
| 13 | * The ingress adapter for the language component. It updates language related |
| 14 | * state according to domain events coming from other components. |
| 15 | * |
| 16 | * @internal |
| 17 | */ |
| 18 | class LanguageEventIngress |
| 19 | extends DomainEventIngress |
| 20 | implements PageDeletedListener, PageLatestRevisionChangedListener |
| 21 | { |
| 22 | /** Object spec intended for use with {@link DomainEventSource::registerSubscriber()} */ |
| 23 | public const OBJECT_SPEC = [ |
| 24 | 'class' => self::class, |
| 25 | 'services' => [ |
| 26 | 'MessageCache' |
| 27 | ], |
| 28 | 'events' => [ |
| 29 | PageLatestRevisionChangedEvent::TYPE, |
| 30 | PageDeletedEvent::TYPE |
| 31 | ], |
| 32 | ]; |
| 33 | |
| 34 | public function __construct( private readonly MessageCache $messageCache ) { |
| 35 | } |
| 36 | |
| 37 | /** |
| 38 | * Listener method for PageLatestRevisionChangedEvent, to be registered with a DomainEventSource. |
| 39 | * |
| 40 | * @noinspection PhpUnused |
| 41 | */ |
| 42 | public function handlePageLatestRevisionChangedEvent( PageLatestRevisionChangedEvent $event ): void { |
| 43 | if ( $event->getPage()->getNamespace() === NS_MEDIAWIKI && |
| 44 | ( $event->isModifiedSlot( SlotRecord::MAIN ) |
| 45 | || $event->hasCause( PageLatestRevisionChangedEvent::CAUSE_MOVE ) |
| 46 | || $event->isReconciliationRequest() |
| 47 | ) |
| 48 | ) { |
| 49 | $content = $event->getLatestRevisionAfter()->getMainContentRaw(); |
| 50 | $this->messageCache->updateMessageOverride( $event->getPage(), $content ); |
| 51 | } |
| 52 | } |
| 53 | |
| 54 | /** |
| 55 | * Listener method for PageDeletedEvent, to be registered with a DomainEventSource. |
| 56 | * |
| 57 | * @noinspection PhpUnused |
| 58 | */ |
| 59 | public function handlePageDeletedEvent( PageDeletedEvent $event ): void { |
| 60 | if ( $event->getDeletedPage()->getNamespace() === NS_MEDIAWIKI ) { |
| 61 | $this->messageCache->updateMessageOverride( $event->getDeletedPage(), null ); |
| 62 | } |
| 63 | } |
| 64 | |
| 65 | } |
| 66 | |
| 67 | /** @deprecated class alias since 1.45 */ |
| 68 | class_alias( LanguageEventIngress::class, 'MediaWiki\\Languages\\LanguageEventIngress' ); |