wikimedia/mediawiki-extensions-Wikibase

<?php declare( strict_types=1 );

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

use Wikibase\Repo\RestApi\Application\UseCases\AssertItemExists;
use Wikibase\Repo\RestApi\Application\UseCases\AssertUserIsAuthorized;
use Wikibase\Repo\RestApi\Application\UseCases\ItemRedirect;
use Wikibase\Repo\RestApi\Application\UseCases\UpdateExceptionHandler;
use Wikibase\Repo\RestApi\Application\UseCases\UseCaseError;
use Wikibase\Repo\RestApi\Domain\Model\EditMetadata;
use Wikibase\Repo\RestApi\Domain\Model\SitelinkEditSummary;
use Wikibase\Repo\RestApi\Domain\Services\ItemUpdater;
use Wikibase\Repo\RestApi\Domain\Services\ItemWriteModelRetriever;

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

    use UpdateExceptionHandler;

    private SetSitelinkValidator $validator;
    private AssertItemExists $assertItemExists;
    private AssertUserIsAuthorized $assertUserIsAuthorized;
    private ItemWriteModelRetriever $itemRetriever;
    private ItemUpdater $itemUpdater;

    public function __construct(
        SetSitelinkValidator $validator,
        AssertItemExists $assertItemExists,
        AssertUserIsAuthorized $assertUserIsAuthorized,
        ItemWriteModelRetriever $itemRetriever,
        ItemUpdater $itemUpdater
    ) {
        $this->validator = $validator;
        $this->assertItemExists = $assertItemExists;
        $this->assertUserIsAuthorized = $assertUserIsAuthorized;
        $this->itemRetriever = $itemRetriever;
        $this->itemUpdater = $itemUpdater;
    }

    /**
     * @throws UseCaseError
     * @throws ItemRedirect
     */
    public function execute( SetSitelinkRequest $request ): SetSitelinkResponse {
        $deserializedRequest = $this->validator->validateAndDeserialize( $request );
        $itemId = $deserializedRequest->getItemId();
        $siteId = $deserializedRequest->getSiteId();
        $sitelink = $deserializedRequest->getSitelink();

        $this->assertItemExists->execute( $itemId );
        $this->assertUserIsAuthorized->checkEditPermissions( $itemId, $deserializedRequest->getEditMetadata()->getUser() );

        $item = $this->itemRetriever->getItemWriteModel( $itemId );
        $sitelinkExists = $item->hasLinkToSite( $siteId );

        $editSummary = $sitelinkExists
            ? SitelinkEditSummary::newReplaceSummary( $request->getComment(), $sitelink, $item->getSiteLink( $siteId ) )
            : SitelinkEditSummary::newAddSummary( $request->getComment(), $sitelink );

        $item->getSiteLinkList()->setSiteLink( $sitelink );

        $newRevision = $this->executeWithExceptionHandling( fn() => $this->itemUpdater->update(
            $item, // @phan-suppress-current-line PhanTypeMismatchArgumentNullable
            new EditMetadata( [], false, $editSummary )
        ) );

        return new SetSitelinkResponse(
            $newRevision->getItem()->getSitelinks()[ $siteId ],
            $newRevision->getLastModified(),
            $newRevision->getRevisionId(),
            $sitelinkExists
        );
    }

}