class.ilWebDAVRepositoryHelper.php

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<?php

declare(strict_types=1);

use Sabre\DAV\Exception\Forbidden;

class ilWebDAVRepositoryHelper
{
    public function __construct(
        protected ilAccessHandler $access,
        protected ilTree $tree,
        protected ilRepUtil $repository_util,
        protected ilWebDAVLocksRepository $locks_repository,
        protected ilObjFileInfoRepository $file_info_repository
    ) {
    }

    public function deleteObject(int $ref_id): void
    {
        if (!$this->checkAccess('delete', $ref_id)) {
            throw new Forbidden("Permission denied");
        }

        $parent = $this->tree->getParentId($ref_id);
        $this->repository_util->deleteObjects($parent, [$ref_id]);
    }

    public function checkAccess(string $permission, int $ref_id): bool
    {
        return $this->access->checkAccess($permission, '', $ref_id);
    }

    public function checkCreateAccessForType(int $ref_id, string $type): bool
    {
        return $this->access->checkAccess('create', '', $ref_id, $type);
    }

    public function objectWithRefIdExists(int $ref_id): bool
    {
        return ilObject::_exists($ref_id, true);
    }

    public function getObjectIdFromRefId(int $ref_id): int
    {
        return ilObject::_lookupObjectId($ref_id);
    }

    public function getObjectTitleFromObjId(int $obj_id, bool $escape_forbidden_fileextension = false): string
    {
        if ($escape_forbidden_fileextension && ilObject::_lookupType($obj_id) === 'file') {
            return $this->getFilenameWithSanitizedFileExtension($obj_id);
        }

        return $this->getRawObjectTitleFromObjId($obj_id);
    }

    public function getFilenameWithSanitizedFileExtension(int $obj_id): string
    {
        $unescaped_title = $this->getRawObjectTitleFromObjId($obj_id);

        try {
            $escaped_title = ilFileUtils::getValidFilename($unescaped_title);
        } catch (ilFileUtilsException) {
            $escaped_title = '';
        }

        return $escaped_title;
    }

    protected function getRawObjectTitleFromObjId(int $obj_id): string
    {
        return ilObject::_lookupTitle($obj_id);
    }

    public function getParentOfRefId(int $ref_id): int
    {
        return $this->tree->getParentId($ref_id);
    }

    public function getObjectTypeFromObjId(int $obj_id): string
    {
        return ilObject::_lookupType($obj_id);
    }

    public function getObjectTitleFromRefId(int $ref_id, bool $escape_forbidden_fileextension = false): string
    {
        $obj_id = $this->getObjectIdFromRefId($ref_id);

        return $this->getObjectTitleFromObjId($obj_id, $escape_forbidden_fileextension);
    }

    public function getObjectTypeFromRefId(int $ref_id): string
    {
        return ilObject::_lookupType($ref_id, true);
    }

    public function getChildrenOfRefId(int $ref_id): array
    {
        return array_map(
            'intval',
            $this->tree->getChildIds($ref_id)
        );
    }

    public function updateLocksAfterResettingObject(int $old_obj_id, int $new_obj_id): void
    {
        $this->locks_repository->updateLocks($old_obj_id, $new_obj_id);
    }

    public function getFileInfo(int $obj_id): ilObjFileInfo
    {
        return $this->file_info_repository->getByObjectId($obj_id);
    }

    public function locks(): ilWebDAVLocksRepository
    {
        return $this->locks_repository;
    }
}