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Telegram Bot

This repository is for communicating with the telegram api and responding to the user query.

How to start?

Set environment variable for bot by executing:

$ export TELEGRAM_BOT="token"

Then:

$ perl -Ilib/ bin/app.pl

Files and associated functions:

  • bin/app.pl : Driver program.
  • GetUpdates.pm : Gets messages from telegram API's getUpdates endpoint.
  • SendMessage.pm : Used for responding back to user. Sends message to the chats using sendMessage endpoint.
  • StateManager.pm : Currently does nothing. It should handle the state of every chat.
  • TelegramCommandHandler : Handles user messages and responds back with relevant messages.
  • WSBridge.pm : Communicates with the Binary.com's API and handles the state for every chat. State handling needs to be moved to StateManager.pm.
  • WSResponseHandler.pm : Handles response from Websocket and sends them back to user.

To Do:

  • Implement StateManager.pm, maybe try Redis?
  • Better error handling. Maybe create a separate module just for error handling?
  • Retries on error in SendMessage.pm & WSBridge.pm.
  • Use webhooks to get messages.
  • Implement a queue for sending requests to the telegram API.
  • Add tests.