wikimedia/mediawiki-extensions-Translate

<?php
declare( strict_types = 1 );

namespace MediaWiki\Extension\Translate\MessageBundleTranslation;

use MediaWiki\Extension\Translate\MessageGroupProcessing\TranslatableBundleFactory;
use MediaWiki\Title\Title;

/**
 * Purges titles dependent on a particular message bundle
 * @author Abijeet Patro
 * @license GPL-2.0-or-later
 * @since 2024.10
 */
class MessageBundleDependencyPurger {
    private TranslatableBundleFactory $bundleFactory;

    public function __construct( TranslatableBundleFactory $bundleFactory ) {
        $this->bundleFactory = $bundleFactory;
    }

    public function purge( Title $messageBundleTitle ): void {
        // Ensure we are dealing with valid message bundle
        $messageBundle = $this->bundleFactory->getValidBundle( $messageBundleTitle );
        $offset = 0;

        do {
            $titlesWithThisMessageBundle = $messageBundle->getTitle()->getTemplateLinksTo(
                [ 'LIMIT' => 500, 'OFFSET' => $offset ]
            );

            foreach ( $titlesWithThisMessageBundle as $title ) {
                $title->invalidateCache();
            }

            $offset += 500;
        } while ( count( $titlesWithThisMessageBundle ) === 500 );
    }
}