ResourceLoaderEventIngress.php

Go to the documentation of this file.

<?php
 
namespace MediaWiki\ResourceLoader;
 
use MediaWiki\DomainEvent\DomainEventIngress;
use MediaWiki\Page\Event\PageDeletedEvent;
use MediaWiki\Page\Event\PageDeletedListener;
use MediaWiki\Page\Event\PageLatestRevisionChangedEvent;
use MediaWiki\Page\Event\PageLatestRevisionChangedListener;
use MediaWiki\Storage\PageUpdateCauses;
use Wikimedia\Rdbms\LBFactory;
 
class ResourceLoaderEventIngress
    extends DomainEventIngress
    implements PageLatestRevisionChangedListener, PageDeletedListener
{
 
    public const OBJECT_SPEC = [
        'class' => self::class,
        'services' => [
            'DBLoadBalancerFactory'
        ],
        'events' => [
            PageLatestRevisionChangedEvent::TYPE,
            PageDeletedEvent::TYPE,
        ],
    ];
 
    private string $localDomainId;
 
    public function __construct( LBFactory $lbFactory ) {
        $this->localDomainId = $lbFactory->getLocalDomainID();
    }
 
    public function handlePageLatestRevisionChangedEvent( PageLatestRevisionChangedEvent $event ): void {
        if (
            $event->isNominalContentChange()
            || $event->hasCause( PageUpdateCauses::CAUSE_MOVE )
        ) {
            WikiModule::invalidateModuleCache(
                $event->getPage(),
                $event->getLatestRevisionBefore(),
                $event->getLatestRevisionAfter(),
                $this->localDomainId
            );
        }
    }
 
    public function handlePageDeletedEvent( PageDeletedEvent $event ): void {
        WikiModule::invalidateModuleCache(
            $event->getDeletedPage(),
            $event->getLatestRevisionBefore(),
            null,
            $this->localDomainId
        );
    }
 
}