updater.js

const electron = require('electron');
const fs = require('fs');
const { default: fetch } = require('node-fetch');
const open = require('open');
const Path = require('path');
const request = require('request');

// The current version of your app.
const APP_VERSION = require('./package.json').version;
const APP_NAME = require('./package.json').name;
let UPDATE_URL = `https://api.projectmegapack.com/v1/get/update`;

async function checkForUpdates(window) {
  let json;
  const verifyClient = require('./src/helpers/verify');

  await verifyClient.verifyClient(async function (verified) {
    if (!verified) UPDATE_URL = 'https://msfs-liverypack-api.mrproper.dev/v1/get/update';
    try {
      json = await (await fetch(`${UPDATE_URL}/${APP_VERSION}`)).json();
    } catch {
      // broken api??
      return;
    }

    if (json.data.update) {
      // Update is available!
      window.loadURL(`file://${__dirname}/update-available.html?newVersion=${json.data.info.latest || ''}&currentVersion=${APP_VERSION || ''}`);

      const updateDir = Path.join(electron.app.getPath('temp'), APP_NAME, `/updates`);
      const exePath = Path.join(updateDir, `/setup_${json.data.info.latest}.exe`);

      if (fs.existsSync(exePath)) {
        await fs.promises.unlink(exePath);
      }

      if (!fs.existsSync(updateDir)) {
        await fs.promises.mkdir(updateDir, { recursive: true });
      }

      // let progress = null;

      // ipcMain.on('get-progress', e => {
      //   e.reply('download-progress', progress);
      // });

      await new Promise((resolve, reject) => {
        // reqProgress(
        request(json.data.info.downloadUrl)
          // ,
          //   { throttle: 100 }
          // )
          .pipe(fs.createWriteStream(exePath))
          // .on('progress', p => {
          //   progress = p;
          // })
          .on('error', async err => {
            console.log(`Error`);
            console.error(err);
            reject(err);
          })
          .on('finish', async () => {
            open(exePath);
            resolve();
          });
      });
    }
  });
}

module.exports = {
  checkForUpdates,
};