public static function SetLastId($chatId, $userId, $lastId = null)
{
$chatId = intval($chatId);
$userId = intval($userId);
$lastId = intval($lastId);
if ($chatId <= 0 || $userId <= 0) {
return false;
}
$relationList = IM\RelationTable::getList(array("select" => array("ID", "LAST_ID", "LAST_SEND_ID"), "filter" => array("=CHAT_ID" => $chatId, "=USER_ID" => $userId)));
while ($relation = $relationList->fetch()) {
$update = array("STATUS" => IM_STATUS_READ);
if ($lastId > 0) {
$update = array();
if ($relation["LAST_ID"] < $lastId) {
$update["LAST_ID"] = $lastId;
}
if ($relation["LAST_SEND_ID"] < $lastId) {
$update["LAST_SEND_ID"] = $lastId;
}
if (!IM\MessageTable::getCount(array(">ID" => $lastId, "=CHAT_ID" => $chatId))) {
$update["STATUS"] = IM_STATUS_READ;
}
}
if ($update) {
$update["LAST_READ"] = new Bitrix\Main\Type\DateTime();
IM\RelationTable::update($relation["ID"], $update);
}
}
return true;
}
