Telegram Ability Bot: бот, умеющий вести диалог: Часть 2

String START_DESCRIPTION = "Hello";

public Ability replyToStart() {
    return Ability
        .builder()
        .name("start")
        .info(Constants.START_DESCRIPTION)
        .locality(ALL)
        .privacy(PUBLIC)
        .action(ctx ->  silent.send("Hello!", ctx.chatId()))
        .build();
}

Использование встроенной клавиатуры

public class KeyboardFactory {
    public static ReplyKeyboard startButtons() {
        InlineKeyboardMarkup inlineKeyboard = new InlineKeyboardMarkup();
        List<list<inlinekeyboardbutton>> rowsInline = new ArrayList<>();
        List<inlinekeyboardbutton> rowInline = new ArrayList<>();

       rowInline.add(new InlineKeyboardButton().setText("DISCUSSION").setCallbackData(Constants.DISCUSSION));
        rowInline.add(new InlineKeyboardButton().setText("SMALL TALK").setCallbackData(Constants.SMALL_TALK));

        rowsInline.add(rowInline);
        inlineKeyboard.setKeyboard(rowsInline);
        return inlineKeyboard;
    }
}
</inlinekeyboardbutton></list<inlinekeyboardbutton>

String START_REPLY = "Start using the telegram bot if you are lonely or bored";
String CHOOSE_OPTION = "Make a choice";
String DISCUSSION = "Let's discuss!";
String SMALL_TALK = "Let's talk!";

public class MessageFactory {
    private final MessageSender sender; //используется для отправки сообщений обратно пользователю

    public MessageFactory(MessageSender sender) {
        this.sender = sender;
    }

    public void start (long chatId) {
        try {
            sender.execute(new SendMessage()
                    .setText(Constants.START_REPLY)
                    .setChatId(chatId));

            sender.execute(new SendMessage()
                    .setText(Constants.CHOOSE_OPTION)
                    .setChatId(chatId)
                    .setReplyMarkup(KeyboardFactory.startButtons()));


        } catch (TelegramApiException e) {
            e.printStackTrace();
        }
    }
}

public Ability replyToStart() {
        return Ability
                .builder()
                .name("start")
                .info(Constants.START_DESCRIPTION)
                .locality(ALL)
                .privacy(PUBLIC)
                .action(ctx ->  messageFactory.start(ctx.chatId()))
                .build();
    }

private TelegramBot(String botToken, String botUsername) {
        super(botToken, botUsername);
        messageFactory = new MessageFactory(sender);
    }