CIBlockDocumentWebdav::needProxyToDiskByDocType

static function needProxyToDiskByDocType($documentType)
{
	if(!(BitrixMainConfigOption::get('disk', 'successfully_converted', false) && CModule::includeModule('disk')))
	{
		return false;
	}
	if(empty($documentType))
	{
		return false;
	}
	$storage = null;
	if(mb_substr($documentType, 0, 7) == 'STORAGE')
	{
		$storageId = (int)mb_substr($documentType, 8);
		if($storageId)
		{
			$storage = BitrixDiskStorage::loadById($storageId);
		}
		if($storage)
		{
			return $storage;
		}
	}
	list(, $iblockId) = explode('_', $documentType);

	if(!$iblockId)
	{
		return false;

	}
	$storage = BitrixDiskStorage::load(array(
		'XML_ID' => $iblockId,
		'MODULE_ID' => BitrixDiskDriver::INTERNAL_MODULE_ID,
		'ENTITY_TYPE' => BitrixDiskProxyTypeCommon::className(),
	));
	if(!$storage)
	{
		return false;
	}

	return $storage;
}