wikimedia/mediawiki-extensions-Wikibase

<?php declare( strict_types=1 );

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

use Wikibase\DataModel\Term\AliasGroup;
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\AliasesInLanguageEditSummary;
use Wikibase\Repo\RestApi\Domain\Model\EditMetadata;
use Wikibase\Repo\RestApi\Domain\Services\ItemUpdater;
use Wikibase\Repo\RestApi\Domain\Services\ItemWriteModelRetriever;

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

    use UpdateExceptionHandler;

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

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

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

        $itemId = $deserializedRequest->getItemId();
        $languageCode = $deserializedRequest->getLanguageCode();
        $newAliases = $deserializedRequest->getItemAliasesInLanguage();
        $editMetadata = $deserializedRequest->getEditMetadata();

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

        $item = $this->itemRetriever->getItemWriteModel( $itemId );
        $aliasesExist = $item->getAliasGroups()->hasGroupForLanguage( $languageCode );
        $originalAliases = $aliasesExist ? $item->getAliasGroups()->getByLanguage( $languageCode )->getAliases() : [];

        $item->getAliasGroups()->setAliasesForLanguage( $languageCode, array_unique( array_merge( $originalAliases, $newAliases ) ) );
        $newRevision = $this->executeWithExceptionHandling( fn() => $this->itemUpdater->update(
            $item, // @phan-suppress-current-line PhanTypeMismatchArgumentNullable
            new EditMetadata(
                $editMetadata->getTags(),
                $editMetadata->isBot(),
                AliasesInLanguageEditSummary::newAddSummary(
                    $editMetadata->getComment(),
                    new AliasGroup( $languageCode, array_diff( $newAliases, $originalAliases ) )
                )
            )
        ) );

        return new AddItemAliasesInLanguageResponse(
            $newRevision->getItem()->getAliases()[ $languageCode ],
            $newRevision->getLastModified(),
            $newRevision->getRevisionId(),
            $aliasesExist
        );
    }

}