wikimedia/mediawiki-extensions-Wikibase

<?php declare( strict_types=1 );

namespace Wikibase\Repo\RestApi\Application\Validation;

/**
 * @license GPL-2.0-or-later
 */
class SiteIdValidator {

    public const CODE_INVALID_SITE_ID = 'site-id-validator-code-invalid-site-id';
    public const CONTEXT_SITE_ID_VALUE = 'site-id-validator-context-site-id-value';

    private array $validSiteIds;

    public function __construct( array $validSiteIds ) {
        $this->validSiteIds = $validSiteIds;
    }

    public function validate( string $siteId ): ?ValidationError {
        return in_array( $siteId, $this->validSiteIds )
            ? null
            : new ValidationError(
                self::CODE_INVALID_SITE_ID,
                [ self::CONTEXT_SITE_ID_VALUE => $siteId ]
            );
    }

}