Spring boot telegram bot

Usage

1. Register bot, using BotFather https://t.me/BotFather
2. Change bot token application.yml or set env var BOT_TOKEN set BOT_TOKEN=<token_from_BotFather>
3. Build gradle clean build
4. Run application

Run in docker

Use example Docker-compose.yml

1. Register bot, using BotFather https://t.me/BotFather
2. Change set env var BOT_TOKEN set BOT_TOKEN=<token_from_BotFather>
3. Run docker-compose up

Supported env variables

• BOT_TOKEN - token from BotFather
• BOT_NAME - name of your bot
• ENABLE_LICENSE_AGREEMENT - enable only accepted licanse users can use bot - default true
• LICENSE_VERSION - version of actual licanse (on update license increment it to reaccept for all users)

Adding command handlers

• Copy com.github.dimantchick.telegrambot.handlers.commands.StartCommand with your name in same package
• Change COMMAND_IDENTIFIER to your command
• Change COMMAND_DESCRIPTION to description of your command (displayed on /help)
• Implement logic in public void execute method
• Command will be registered on application startup and executed, when user send it to bot

Adding callback update handlers

• Copy com.github.dimantchick.telegrambot.handlers.callbacks.DefaultCallbackUpdateHandler with your name in same package
• Change order @Order(Integer.MAX_VALUE) to non zero value Important! CallbackUpdateRegistry search only first applicable Handler!
• Implement isApplicable method - basically its check that update.getCallbackQuery().getData() equals your button callbackData
• Implement handle method with your callback logic

Use bot messages with keyboard

See usage of com.github.dimantchick.telegrambot.messages.agreement.AgreementMessage

Additional info

This is sample implementation of telegram bot in Spring boot.

Original library have only LongPollingSingleThreadUpdateConsumer. In this repo you can see implementation of bot with LongPollingMultiThreadUpdateConsumer with spring ThreadPoolTaskExecutor.

Links

• Original library https://github.com/rubenlagus/TelegramBots
• Original library documentation https://rubenlagus.github.io/TelegramBotsDocumentation/telegram-bots.html
• Spring documentation https://docs.spring.io/spring-framework/reference/