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Last active January 12, 2023 17:40
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const express = require("express");
const app = express();
const server = require("http").Server(app);
const { v4: uuidv4 } = require("uuid");
const io = require("")(server);
const { ExpressPeerServer } = require("peer");
const url = require("url");
const peerServer = ExpressPeerServer(server, { // Here we are actually defining our peer server that we want to host
debug: true,
const path = require("path");
app.set("view engine", "ejs");
app.use("/public", express.static(path.join(__dirname, "static")));
app.use("/peerjs", peerServer); // Now we just need to tell our application to server our server at "/peerjs".Now our server is up and running
app.get("/", (req, res) => { // On the '/' route
res.sendFile(path.join(__dirname, "static", "index.html")); // Send our Inro page file(index.js) which in the static folder.
app.get("/join", (req, res) => { // Our intro page redirects us to /join route with our query strings(We reach here when we host a meeting)
res.redirect( // When we reach /join route we redirect the user to a new unique route with is formed using Uuid
url.format({ // The url module provides utilities for URL resolution and parsing.
pathname: `/join/${uuidv4()}`, // Here it returns a string which has the route and the query strings.
query: req.query, // For Eg : /join/A_unique_Number?Param=Params. So we basically get redirected to our old_Url/join/id?params
app.get("/joinold", (req, res) => { //Our intro page redirects us to /joinold route with our query strings(We reach here when we join a meeting)
pathname: req.query.meeting_id,
query: req.query,
app.get("/join/:rooms", (req, res) => { // When we reach here after we get redirected to /join/join/A_unique_Number?params
res.render("room", { roomid: req.params.rooms, Myname: }); // we render our ejs file and pass the data we need in it
}); // i.e we need the roomid and the username
io.on("connection", (socket) => { // When a user coonnects to our server
socket.on("join-room", (roomId, id, myname) => { // When the socket a event 'join room' event
socket.join(roomId); // Join the roomid"user-connected", id, myname);// emit a 'user-connected' event to tell all the other users
// in that room that a new user has joined
socket.on("messagesend", (message) => {
console.log(message);"createMessage", message);
socket.on("tellName", (myname) => {
console.log(myname);"AddName", myname);
socket.on("disconnect", () => { // When a user disconnects or leaves"user-disconnected", id);
server.listen(process.env.PORT || 3030); // Listen on port 3030.
// process.env.PORT || 3030 means use port 3000 unless there exists a preconfigured port
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