First commit of the new Insider version on docker

models/updateHelper.js

@@ -0,0 +1,20 @@
+const fs = require('fs');
+const fetch = (...args) => import('node-fetch').then(({ default: fetch }) => fetch(...args));
+const AdmZip = require('adm-zip');
+const { logger, ErrorLogger, logRequestInfo } = require('../config/logs');
+
+function compareAndUpdate(currentPath, updatedPath) {
+}
+
+async function downloadUpdate(updateUrl, destinationPath) {
+    const response = await fetch(updateUrl);
+    const buffer = await response.buffer();
+    fs.writeFileSync(destinationPath, buffer);
+}
+
+function unzipUpdate(zipPath, extractionPath) {
+    const zip = new AdmZip(zipPath);
+    zip.extractAllTo(extractionPath, /*overwrite*/ true);
+}
+
+module.exports = { compareAndUpdate, downloadUpdate, unzipUpdate };