Telegram Bot API implementation

Current version: 7.9.5

This package partially implements interaction with Telegram as a bot.

Supported version of Telegram Bot API - 5.6

Description

This package provides:

• data exchange with Telegram in webhook mode
• work in asynchronous mode
• control of the load on the Telegram Bot API
• prioritization of method calls of Telegram Bot API depending on the type of call
• control of size of the send queue
• preprocessing of received data

Installation

npm install vvlad1973-telegram-framework

Usage

import TelegramBot from 'vvlad1973-telegram-framework';

/** 
 * Express or any other HTTP/HTTPS service can be used to process 
 * webhook requests
 */
import express from 'express';
import bodyParser from 'body-parser';

let
  chatId = 90844863,
  text = 'Test message',
  token = '2039667923:AAHwlugV92qBNXrn_XrTGaQjFPuCJAtUnfs',
  webhookUrl = 'https://some.url.for.webhook/',
  response;

/** 
 * Creating an instance of TelegramBot
 */
const bot = new TelegramBot(token);

/** 
 * Creating instance of HTTP-server and starting listening
 */
const app = express();
app.use(bodyParser.json());
app.listen(port);

/** 
 * Subscription on POST-queries to HTTP-server
 */
app.post(`/${token}/`, function (request, response) {
    response.sendStatus(200); // Sending response on POST-query ...
    bot.processUpdate(request.body); // ... and start processing received data
});

/** 
 * Subscription on incoming updates from Telegram
 */
bot.on('*', function (userId, chatId, senderData, properties, contents) {
  console.log(`[userId=${userId}] Received update:`);
  console.log(`\t chat=[${JSON.stringify(chatId, 0, '\t')}]`);
  console.log(`\t senderData=[${JSON.stringify(senderData, 0, '\t')}]`);
  console.log(`\t properties=[${JSON.stringify(properties, 0, '\t')}]`);
  console.log(`\t contents=[${JSON.stringify(contents, 0, '\t')}]`);
  
  /**
   * Sending response message
   */
  bot.sendMessage(chatId, 'OK')
    .then(response => {
      console.log(response);
    })
    .catch(error => {
      console.error(error);
    });
});

/**
 * Getting info about bot from Telegram
 */
response = await bot.getMe();
console.log(response);

/**
 * Setting webhook
 */
response = await bot.setWebhook(webhookUrl);
console.log(response);

/**
 * Getting webhook info from Telegram
 */
response = await bot.getWebhookInfo();
console.log(response);

/**
 * Sending a message to Telegram chat
 */
response = await bot.sendMessage(chatId, text);
console.log(response);

Implemented methods

Bot control methods

• getMe
• getMyCommands
• setMyCommands
• deleteMyCommands

Webhook control methods

• getWebhookInfo
• setWebhook
• deleteWebhook

Sending data methods

• sendMessage
• sendPhoto
• sendVideo
• sendVideoNote
• sendAudio
• sendVoice
• sendDocument
• sendAnimation
• forwardMessage
• copyMessage
• answerCallbackQuery
• sendChatAction
• sendSticker
• sendDice
• sendPoll
• sendMediaGroup
• sendContact

Modifying messages

• editMessageText
• editMessageCaption
• editMessageReplyMarkup
• editMessageMedia
• stopPoll

Control messages in chat

• deleteMessage
• pinChatMessage
• unpinChatMessage
• unpinAllChatMessages

Chat manageement

• getChat
• getChatMember
• getChatMemberCount
• getChatAdministrators
• banChatMember
• unbanChatMember
• restrictChatMember
• promoteChatMember
• approveChatJoinRequest
• declineChatJoinRequest

Getting info

• getFile