Telegram <> Gumroad Sentinel

telegram-gumroad.js

const express = require('express');
const fetch = require('node-fetch');
const cors = require('cors');
const bodyParser = require('body-parser');
const TelegramBot = require('node-telegram-bot-api');
const { response } = require('express');

/**
 * Requiring ENV file for variables
 */
require('dotenv').config();

/**
 * Get the mandatory keys to access various platforms
 */
// Create a bot that uses 'polling' to fetch new updates
const bot = new TelegramBot(process.env.BOTID, { polling: true });
const API_KEY = process.env.GUMROAD_API_KEY;
const SENDERID = process.env.GROUPID;

/** Initiating the express app */
const app = express();

app.use(bodyParser.json());
app.use(
  bodyParser.urlencoded({
    extended: true,
  })
);
app.use(cors());

/**
 * This function uses the / method API to get the stats
 */
async function getProducts() {
  const products = await fetch(`https://api.gumroad.com/v2/products`, {
    headers: {
      Authorization: `Bearer ${API_KEY}`,
      'Content-Type': 'application/json',
    },
    method: 'GET',
  });
  return await products.json();
}

async function verifyLicense(content) {
  const products = await fetch(`https://api.gumroad.com/v2/licenses/verify`, {
    headers: {
      Authorization: `Bearer ${API_KEY}`,
      'Content-Type': 'application/json',
    },
    method: 'POST',
    body: JSON.stringify(content),
  });
  return await products.json();
}

/**
 * Couple of assumptions
 * 1. Every person needs to set their username, as the parameter is mandatory in user journey.
 */

const users = [
  {
    first_name: '[username]',
    userid: '[userid]',
  },
];

// bot.on('message', (msg) => {
//   console.log(msg);
//   verifyLicense({
//     product_permalink: 'eBBQM',
//     license_key: msg.text,
//   }).then((response) => {
//     // console.log(response);
//     if (!response.success) {
//       bot.sendMessage(msg.chat.id, 'Please paste the license key from Gumroad.');
//     } else {
//       bot.sendMessage(msg.chat.id, 'Congratulations, your license is now verified. Join our group here: https://t.me/joinchat/[id]');
//     }
//   });
// });

function getKeyByValue(object, value) {
  return Object.keys(object).find((key) => object[key] === value);
}

app.get('/', (req, res) => {
  //   bot.kickChatMember(-455342070, 1528357489).then((rep) => {
  //     console.log(rep);
  //     res.send({
  //       products,
  //     });
  //   });
});

const port = process.env.PORT || 3000;

app.listen(port, () => {
  console.log(`App Is Running On http://localhost:${port}`);
});