CAllSocNetLogComments::UpdateLogData

static function UpdateLogData($log_id, $bSetDate = true, $bSetDateByLastComment = false)
{
	$dbResult = CSocNetLogComments::GetList(array(), array("LOG_ID" => $log_id), array());
	$comments_count = $dbResult;

	$res = LogTable::getList(array(
		'filter' => array(
			"ID" => $log_id
		),
		'select' => array("ID", "LOG_DATE")
	));
	while ($logFields = $res->fetch())
	{
		$arFields = array("COMMENTS_COUNT" => $comments_count);
		if ($bSetDateByLastComment)
		{
			$resComments = LogCommentTable::getList(array(
				'order' => array(
					"LOG_DATE" => "DESC"
				),
				'filter' => array(
					"LOG_ID" => $log_id
				),
				'select' => array("ID", "LOG_DATE")
			));
			$arFields["LOG_UPDATE"] = (
				($commentFields = $resComments->fetch())
					? $commentFields["LOG_DATE"]
					: $logFields["LOG_DATE"]
			);
		}
		elseif ($bSetDate)
		{
			$connection = BitrixMainApplication::getConnection();
			$helper = $connection->getSqlHelper();
			$arFields["LOG_UPDATE"] = new SqlExpression($helper->getCurrentDateTimeFunction());
		}

		LogTable::update($logFields["ID"], $arFields);

		CSocNetLogFollow::DeleteByLogID($log_id, "Y", true); // not only delete but update to NULL for existing records
	}
}