public static function GetFileForHistory($documentId, $propertyValue, $historyIndex)
{
$newFileID = $propertyValue['VALUE'];
$bNewFile = true;
$history = self::GetHistoryService();
$dbDoc = $history->GetHistoryList(array("ID" => "DESC"), array("DOCUMENT_ID" => $documentId), false, false, array("ID", "DOCUMENT_ID", "NAME", "MODIFIED", "USER_ID", "USER_NAME", "USER_LAST_NAME", "USER_LOGIN", "DOCUMENT"));
$newFileHash = CWebDavBase::_get_file_hash($newFileID);
$oldFileHash = null;
if ($newFileHash !== null) {
if ($dbDoc && ($arTmpDoc = $dbDoc->Fetch())) {
while ($arDoc = $dbDoc->Fetch()) {
$oldFileHash = $arDoc['DOCUMENT']['PROPERTIES']['FILE']['HASH'];
if ($oldFileHash == $newFileHash) {
$bNewFile = false;
$result = $arDoc['DOCUMENT']['PROPERTIES']['FILE'];
break;
}
}
}
}
if ($oldFileHash == null || $newFileHash == null) {
$bNewFile = true;
}
// add new copy to history
if ($bNewFile) {
$result = array("VALUE" => CBPDocument::PrepareFileForHistory($documentId, $propertyValue["VALUE"], $historyIndex), "DESCRIPTION" => $propertyValue["DESCRIPTION"], "HASH" => $newFileHash);
}
return $result;
}
