class.ilDAVClientNode.php

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<?php

declare(strict_types=1);

use Sabre\DAV\Exception\BadRequest;
use Sabre\DAV\Exception\NotFound;
use Sabre\DAV\ICollection;
use Sabre\DAV\INode;

class ilDAVClientNode implements ICollection
{
    use ilWebDAVReadOnlyNodeWriteFunctionsTrait;
    use ilWebDAVAccessChildrenFunctionsTrait;

    protected ilWebDAVObjFactory $dav_factory;
    protected ilWebDAVRepositoryHelper $repository_helper;
    protected string $client_name;
    protected string $name_of_repository_root;

    public function __construct(
        string $client_name,
        ilWebDAVObjFactory $dav_factory,
        ilWebDAVRepositoryHelper $repository_helper
    ) {
        $this->dav_factory = $dav_factory;
        $this->repository_helper = $repository_helper;
        $this->client_name = $client_name;
        $this->name_of_repository_root = 'ILIAS';
    }

    public function getName(): string
    {
        return $this->client_name;
    }

    public function getChild($name): INode
    {
        try {
            $ref_id = $this->getRefIdFromName($name);

            return $this->dav_factory->retrieveDAVObjectByRefID($ref_id);
        } catch (NotFound $e) {
        }

        return $this->getChildByParentRefId($this->repository_helper, $this->dav_factory, ROOT_FOLDER_ID, $name);
    }

    public function getChildren(): array
    {
        return $this->getChildrenByParentRefId($this->repository_helper, $this->dav_factory, ROOT_FOLDER_ID);
    }

    public function childExists($name): bool
    {
        try {
            $ref_id = $this->getRefIdFromName($name);
            return $this->repository_helper->objectWithRefIdExists($ref_id) && $this->repository_helper->checkAccess('read', $ref_id);
        } catch (BadRequest $e) {
        }

        return $this->checkIfChildExistsByParentRefId($this->repository_helper, $this->dav_factory, ROOT_FOLDER_ID, $name);
    }

    public function getLastModified(): int
    {
        return strtotime('2000-01-01');
    }

    protected function getRefIdFromName(string $name): int
    {
        $ref_parts = explode('_', $name);
        if (count($ref_parts) == 2 && ($ref_id = (int) $ref_parts[1]) > 0) {
            return $ref_id;
        }

        throw new NotFound("No id found for $name");
    }
}