CAllWorkflow::GetUniquePreview

static function GetUniquePreview($DOCUMENT_ID)
{
	global $DB;

	$z = $DB->Query("
		SELECT FILENAME
		FROM b_workflow_document
		WHERE ID = ".intval($DOCUMENT_ID)."
	", false, CAllWorkflow::err_mess()."
Function: GetUniquePreview
Line: ".__LINE__);

	$zr = $z->Fetch();
	if($zr)
	{
		$DOCUMENT_PATH = GetDirPath($zr["FILENAME"]);
		do
		{
			$temp_file = $DOCUMENT_PATH.md5(uniqid(rand())).".php";
		}
		while(CWorkflow::IsPreviewExists($temp_file));
	}
	return $temp_file;
}