wikimedia/mediawiki-extensions-Wikibase

<?php declare( strict_types=1 );

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

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\LabelEditSummary;
use Wikibase\Repo\RestApi\Domain\Services\ItemUpdater;
use Wikibase\Repo\RestApi\Domain\Services\ItemWriteModelRetriever;

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

    use UpdateExceptionHandler;

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

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

    /**
     * @throws ItemRedirect
     * @throws UseCaseError
     */
    public function execute( SetItemLabelRequest $request ): SetItemLabelResponse {
        $deserializedRequest = $this->validator->validateAndDeserialize( $request );
        $itemId = $deserializedRequest->getItemId();
        $label = $deserializedRequest->getItemLabel();

        $this->assertItemExists->execute( $itemId );

        $editMetadata = $deserializedRequest->getEditMetadata();
        $this->assertUserIsAuthorized->checkEditPermissions( $itemId, $editMetadata->getUser() );

        $item = $this->itemRetriever->getItemWriteModel( $itemId );
        $labelExists = $item->getLabels()->hasTermForLanguage( $label->getLanguageCode() );
        $item->getLabels()->setTerm( $label );

        $editSummary = $labelExists
            ? LabelEditSummary::newReplaceSummary( $editMetadata->getComment(), $label )
            : LabelEditSummary::newAddSummary( $editMetadata->getComment(), $label );

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

        return new SetItemLabelResponse(
            $newRevision->getItem()->getLabels()[$label->getLanguageCode()],
            $newRevision->getLastModified(),
            $newRevision->getRevisionId(),
            $labelExists
        );
    }

}