wikimedia/mediawiki-extensions-Wikibase

<?php declare( strict_types=1 );

namespace Wikibase\Repo\RestApi\Application\UseCases\GetItemStatement;

use Wikibase\Repo\RestApi\Application\UseCases\AssertItemExists;
use Wikibase\Repo\RestApi\Application\UseCases\GetStatement\GetStatement;
use Wikibase\Repo\RestApi\Application\UseCases\GetStatement\GetStatementResponse;
use Wikibase\Repo\RestApi\Application\UseCases\UseCaseError;

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

    private GetItemStatementValidator $validator;
    private AssertItemExists $assertItemExists;
    private GetStatement $getStatement;

    public function __construct(
        GetItemStatementValidator $validator,
        AssertItemExists $assertItemExists,
        GetStatement $getStatement
    ) {
        $this->validator = $validator;
        $this->assertItemExists = $assertItemExists;
        $this->getStatement = $getStatement;
    }

    /**
     * @throws UseCaseError
     */
    public function execute( GetItemStatementRequest $request ): GetStatementResponse {
        $deserializedRequest = $this->validator->validateAndDeserialize( $request );

        $this->assertItemExists->execute( $deserializedRequest->getItemId() );

        return $this->getStatement->execute( $request );
    }

}