class.ilWebDAVRepositoryHelper.php

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<?php

class ilWebDAVRepositoryHelper
{
    protected $access;

    protected $tree;

    public function __construct(ilAccessHandler $access, ilTree $tree)
    {
        $this->access = $access;
        $this->tree = $tree;
    }

    public function deleteObject(int $a_ref_id)
    {
        include_once("./Services/Repository/classes/class.ilRepUtil.php");
        $repository_util = new ilRepUtil($this);
        $parent = $this->tree->getParentId($a_ref_id);
        $repository_util->deleteObjects($parent, array($a_ref_id));
    }

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

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

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

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

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

        return is_string($title)? $title : '';
    }
    public function getFilenameWithSanitizedFileExtension(int $a_obj_id) : string
    {
        $unescaped_title = $this->getRawObjectTitleFromObjId($a_obj_id);

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

        return is_string($escaped_title) ? $escaped_title : '';
    }

    protected function getRawObjectTitleFromObjId(int $a_obj_id) : string
    {
        $title = ilObject::_lookupTitle($a_obj_id);
        return is_string($title) ? $title : '';
    }

    public function getObjectTypeFromObjId(int $a_obj_id) : string
    {
        $type = ilObject::_lookupType($a_obj_id, false);
        return $type === null ? '' : $type;
    }


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

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

    public function getObjectTypeFromRefId(int $a_ref_id) : string
    {
        $type = ilObject::_lookupType($a_ref_id, true);
        return is_string($type) ? $type : '';
    }

    public function getChildrenOfRefId(int $a_ref_id)
    {
        return $this->tree->getChildIds($a_ref_id);
    }
}