CIBlockDocumentWebdavSocnet::GetDocumentType

static function GetDocumentType($documentId)
{
	$diskId = self::processGetDiskIdByDocId($documentId);
	if($diskId !== null)
	{
		return self::proxyToDisk(__FUNCTION__, array($diskId));
	}

	$result = '';
	$dbResult = CIBlockElement::GetList(array(), array("ID" => $documentId, "SHOW_NEW" => "Y", "SHOW_HISTORY" => "Y"), false, false);
	$arResult = $dbResult->Fetch();
	if (!$arResult)
		throw new Exception("Element is not found");

	$nav = CIBlockSection::GetNavChain(intval($arResult['IBLOCK_ID']), intval($arResult['IBLOCK_SECTION_ID']));
	if ($nav && $arSection = $nav->GetNext())
	{
		$result = implode('_', array(
			'iblock',
			intval($arResult['IBLOCK_ID']),
			($arSection["SOCNET_GROUP_ID"] > 0 ? "group" : "user"),
			($arSection["SOCNET_GROUP_ID"] > 0 ? $arSection["SOCNET_GROUP_ID"] : $arSection["CREATED_BY"])
		));
	}

	return $result;
}