wikimedia/mediawiki-extensions-Wikibase

<?php declare( strict_types=1 );

namespace Wikibase\Repo\RestApi\Application\UseCaseRequestValidation;

use Wikibase\DataModel\Services\Statement\StatementGuidParser;
use Wikibase\DataModel\Statement\StatementGuid;
use Wikibase\Repo\RestApi\Application\UseCases\UseCaseError;
use Wikibase\Repo\RestApi\Application\Validation\StatementIdValidator;

/**
 * @license GPL-2.0-or-later
 */
class StatementIdRequestValidatingDeserializer {
    private StatementIdValidator $validator;
    private StatementGuidParser $parser;

    public function __construct( StatementIdValidator $validator, StatementGuidParser $parser ) {
        $this->validator = $validator;
        $this->parser = $parser;
    }

    public function validateAndDeserialize( StatementIdRequest $request ): StatementGuid {
        $validationError = $this->validator->validate( $request->getStatementId() );
        if ( $validationError ) {
            throw new UseCaseError(
                UseCaseError::INVALID_PATH_PARAMETER,
                "Invalid path parameter: 'statement_id'",
                [ UseCaseError::CONTEXT_PARAMETER => 'statement_id' ]
            );
        }

        return $this->parser->parse( $request->getStatementId() );
    }

}