wikimedia/mediawiki-extensions-Wikibase

<?php declare( strict_types=1 );

namespace Wikibase\Repo\RestApi\Infrastructure\DataAccess;

use LogicException;
use Wikibase\DataModel\Entity\NumericPropertyId;
use Wikibase\Lib\Store\EntityRevisionLookup;
use Wikibase\Repo\RestApi\Domain\ReadModel\LatestPropertyRevisionMetadataResult as MetadataResult;
use Wikibase\Repo\RestApi\Domain\Services\PropertyRevisionMetadataRetriever;

/**
 * @license GPL-2.0-or-later
 */
class WikibaseEntityRevisionLookupPropertyRevisionMetadataRetriever implements PropertyRevisionMetadataRetriever {

    private EntityRevisionLookup $revisionLookup;

    public function __construct( EntityRevisionLookup $revisionLookup ) {
        $this->revisionLookup = $revisionLookup;
    }

    public function getLatestRevisionMetadata( NumericPropertyId $propertyId ): MetadataResult {
        return $this->revisionLookup->getLatestRevisionId( $propertyId )
            ->onConcreteRevision( fn( $id, $timestamp ) => MetadataResult::concreteRevision( $id, $timestamp ) )
            ->onRedirect(
                /** @return never */
                function (): void {
                    throw new LogicException( 'Properties cannot be redirected' );
                }
            )->onNonexistentEntity( fn() => MetadataResult::propertyNotFound() )
            ->map();
    }
}