public class Bot extends TelegramLongPollingBot {
    private ArrayList<Long> chatIDsURL = new ArrayList<>();
    private long chatId;
    Parser parser = new Parser();

    public void onUpdateReceived(Update update) {
        update.getUpdateId();

        chatId = update.getMessage().getChatId();
        String text = update.getMessage().getText();

        if (chatIDsURL.indexOf(update.getMessage().getChatId()) == -1) { //новый пользователь
            if (text.equals("/start") || text.equals("/Start")) {
                SendMessage sendMessage = new SendMessage().setChatId(chatId);

                try {
                    sendMessage.setText("Введите URL");
                    execute(sendMessage);
                    chatIDsURL.add(update.getMessage().getChatId());
                }
                catch(TelegramApiException e){
                    e.printStackTrace();
                }
            }
        } else { //пользователь ввел URL
            SendMessage sendMessage = new SendMessage().setChatId(chatId);

            try {
                sendMessage.setText("Спасибо.");
                execute(sendMessage);
                chatIDsURL.add(update.getMessage().getChatId());
            }
            catch(TelegramApiException e){
                e.printStackTrace();
            }
        }
    }

    public String getBotUsername(){
        return "ParseSteamBot";
    }

    @Override
    public String getBotToken() {
        return "xxxxx";
    }
}