Command::getDialogId

static function getDialogId($messageFields)
{
	if ($messageFields['MESSAGE_TYPE'] == IM_MESSAGE_PRIVATE)
	{
		$dialogId = $messageFields['FROM_USER_ID'];
	}
	else
	{
		$dialogId = 'chat'.$messageFields['TO_CHAT_ID'];
	}

	return $dialogId;
}