Your IP : 18.218.137.145
<?php
IncludeModuleLangFile(__FILE__);
if (!CModule::IncludeModule("bizproc"))
return;
class CWebdavDocumentHistory
{
private static $historyService = null;
private static $glueEnabled = null;
private static function GetHistoryService()
{
if ((self::$historyService == null) && (CModule::IncludeModule('bizproc')))
{
$runtime = CBPRuntime::GetRuntime();
$runtime->StartRuntime();
self::$historyService = $runtime->GetService("HistoryService");
}
return self::$historyService;
}
private static function IsGlueEnabled()
{
if (self::$glueEnabled == null)
self::$glueEnabled = (COption::GetOptionString('webdav', 'bp_history_glue', "Y") == "Y");
return self::$glueEnabled;
}
public static function GetHistoryState($documentID, $historyID = null, $arDocHistory = null, $arParams = array())
{
static $WD_HISTORYGLUE_PERIOD = null;
static $arHistoryFields = array("ID", "DOCUMENT_ID", "MODIFIED", "DOCUMENT");
$historyService = self::GetHistoryService();
$result = 'N';
if (self::IsGlueEnabled())
{
$result = 'Y';
if ($WD_HISTORYGLUE_PERIOD == null)
$WD_HISTORYGLUE_PERIOD = COption::GetOptionString('webdav', 'bp_history_glue_period', 300);
if ($historyID == null || $arDocHistory == null)
{
if ($historyID == null)
{
$arFilter = array(
"DOCUMENT_ID" => $documentID
);
}
else
{
$arFilter = array(
"ID" => $historyID
);
}
$dbDoc = $historyService->GetHistoryList(
array("ID" => "DESC"),
$arFilter,
false,
false,
$arHistoryFields
);
CTimeZone::Disable();
if (!($dbDoc && $arDocHistory = $dbDoc->Fetch()))
$result = 'N';
if (isset($arParams['NEW']) && $arParams['NEW'] == 'Y')
{
$arDocHistory = $dbDoc->Fetch();
}
CTimeZone::Enable();
}
if (($result == 'Y') && isset($arDocHistory['DOCUMENT']['PROPERTIES']['FILE']['HISTORYGLUE'])) // last history record is 'glued'
{
$result = $arDocHistory['DOCUMENT']['PROPERTIES']['FILE']['HISTORYGLUE'];
if (isset($arParams['CHECK_TIME']) && $arParams['CHECK_TIME'] == 'Y')
{
$result = "Y";
$modifiedTS = MakeTimeStamp($arDocHistory['MODIFIED']);
if ((time() - $modifiedTS) > $WD_HISTORYGLUE_PERIOD)
{
$result = 'N';
}
}
}
else
{
$result = 'N';
}
}
return $result;
}
public static function IsHistoryUpdate($documentID)
{
static $arHistoryFields = array("ID", "DOCUMENT_ID", "MODIFIED", "DOCUMENT");
$historyService = self::GetHistoryService();
$result = false;
if (self::IsGlueEnabled())
{
$arFilter = array(
"DOCUMENT_ID" => $documentID,
"USER_ID" => CUser::GetID()
);
$dbDoc = $historyService->GetHistoryList(
array("ID" => "DESC"),
$arFilter,
false,
false,
$arHistoryFields
);
CTimeZone::Disable();
if ($dbDoc && ($arDoc = $dbDoc->Fetch())) // get the last history record
{
CTimeZone::Enable();
if (CWebdavDocumentHistory::GetHistoryState($documentID, $arDoc['ID'], $arDoc) == 'Y')
{
$result = $arDoc;
}
}
else
{
CTimeZone::Enable();
}
}
return $result;
}
public function UpdateDocumentHistory($parameterDocumentId, $historyId)
{
$historyService = self::GetHistoryService();
list($moduleId, $entity, $documentId) = CBPHelper::ParseDocumentId($parameterDocumentId);
$result = false;
if (($moduleId == 'webdav') && (class_exists($entity)))
{
$doc = call_user_func_array(array($entity, "GetDocumentForHistory"), array($documentId, $historyId, true));
$result = $historyService->UpdateHistory($historyId, array('DOCUMENT' => $doc));
}
return $result;
}
public static function GetFileForHistory($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 = $dbDoc->Fetch())) // skip current saving copy
{
while ($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 $result;
}
static function OnBeforeDeleteFileFromHistory($historyId, $documentId)
{
static $arHistoryFields = array("ID", "DOCUMENT_ID", "DOCUMENT");
$history = new CBPHistoryService();
if ($documentId[0] != 'webdav')
return true;
$fileToDeleteHash = null;
$dbDoc = $history->GetHistoryList(
array("ID" => "DESC"),
array("ID" => $historyId),
false,
false,
$arHistoryFields
);
if ($dbDoc && ($arDoc = $dbDoc->Fetch()))
{
if (isset($arDoc['DOCUMENT']['PROPERTIES']['FILE']['HASH']))
$fileToDeleteHash = $arDoc['DOCUMENT']['PROPERTIES']['FILE']['HASH'];
}
$result = true; // seems to be an old file without hash
if ($fileToDeleteHash != null) // if not
{
$dbDoc = $history->GetHistoryList(
array("ID" => "DESC"),
array("DOCUMENT_ID" => $documentId),
false,
false,
$arHistoryFields
);
if ($dbDoc)
{
while ($arDoc = $dbDoc->Fetch())
{
if ($arDoc['ID'] == $historyId)
continue;
if (isset($arDoc['DOCUMENT']['PROPERTIES']['FILE']['HASH']))
{
$result = !($arDoc['DOCUMENT']['PROPERTIES']['FILE']['HASH'] == $fileToDeleteHash); // file used also in other historyRecord
if (!$result)
break;
}
}
}
}
return $result;
}
}