Chat

Let’s talk with our bot

Create the app

$ mn create-app mn-telegram-chat

build.gradle

    implementation group: 'com.puravida.telegram', name: 'mn-telegram-api', version: '0.3.2'

application.yml

micronaut:
  application:
    name: mn-telegram-chat

telegram:
  token: CHANGEME

BotController.java

package mn.telegram.chat;

import io.micronaut.http.annotation.Controller;
import io.micronaut.http.annotation.Post;
import io.reactivex.Single;

import com.puravida.mn.telegram.*;

@Controller("${telegram.token}")
public class BotController{

    TelegramBot telegramBot;
    BotController(TelegramBot telegramBot){
        this.telegramBot = telegramBot;
    }

    @Post
    String index( Update update){

        Single.create( emitter -> {

            Message message = new Message();
            message.setChat_id(update.getMessage().getChat().getId());
            message.setText("Hi");

            telegramBot.sendMessage(message).blockingGet();

            emitter.onSuccess("done");
        }).subscribe();

        return "done";
    }

}

Run your application:

'$ ./gradlew run'

Test with http (or curl):

'http POST localhost:8080/CHANGEME'

Go live

Update application.yml with your token

Rebuild and run your application again with ./gradlew run

Create a tunnel with internet $ $HOME/ngrok http 8080

Pay attention to you "public" url , i.e. http://38842c8e.ngrok.io

Tell to Telegram where to locate your bot

curl https://api.telegram.org/bot12345:AAAAAAAAAAAAAAAAAA/setWebhook?url=https://38842c8e.ngrok.io/12345:AAAAAAAAAAAAAAAAAA

Say 'hello' to your bot using your mobile phone (or the web app)

Send media

Send a git

Use SendAnimation

Send an image

Use SendPhoto

Send an audio

Use SendAudio

Howto

SendAnimation sendAnimation = new SendAnimation();
sendAnimation.setChat_id(update.getMessage().getChat().getId());
sendAnimation.setBytes(bytes); // Or also sendFile(file)
telegramBot.sendAnimation(sendAnimation.multipartBody()).blockingGet();

Keyboards