⬆️ socket io initial setup completed

server/package.json

@@ -28,6 +28,7 @@
       "jsonwebtoken": "^9.0.2",
       "mongoose": "^8.5.3",
       "nodemailer": "^6.9.14",
+      "socket.io": "^4.8.0",
       "stripe": "^16.12.0",
       "uuid": "^10.0.0",
       "winston": "^3.14.2",

server/src/index.ts

@@ -1,4 +1,5 @@
 import express from "express";
+import { createServer } from "http";
 import { connectDB } from "./config/connectDB";
 import routes from "./presentation/routers/index";
 import cors from "cors";
@@ -7,10 +8,13 @@ import helmet from "helmet";
 import bodyParser from "body-parser";
 import { webhook } from "./presentation/routers/appointment/AppointmentRoutes";
 import { CLIENT_URL, NODE_ENV, PORT } from "./config/env";
+import initializeSocket from "./presentation/socket"; 
 
 const port = PORT || 8080;
 
 const app = express();
+const server = createServer(app); 
+
 app.use(helmet());
 app.use(
    cors({
@@ -27,9 +31,11 @@ app.use(express.urlencoded({ extended: true }));
 app.use("/api", routes);
 
 connectDB().then(() => {
-   app.listen(port, () => {
+   server.listen(port, () => {
       if (NODE_ENV !== "production") {
          console.log(`Server start listening on port: ${port}`);
       }
    });
 });
+
+initializeSocket(server); 

server/src/presentation/socket/index.ts

@@ -0,0 +1,47 @@
+import { Server } from "socket.io";
+import { Server as HTTPServer } from "http"; // Type from the HTTP server
+import { CLIENT_URL } from "../../config/env";
+import logger from "../../utils/logger";
+
+const initializeSocket = (server: HTTPServer) => {
+    const io = new Server(server, {
+        cors: {
+            origin: CLIENT_URL,
+            methods: ["GET", "POST"],
+            credentials: true,
+        },
+    });
+
+    // Listen for new connections
+    io.on("connection", (socket) => {
+        console.log(`User connected: ${socket.id}`);
+
+        // Handle joining a room
+        socket.on("join-room", (roomId) => {
+            socket.join(roomId);
+            logger.info(`User ${socket.id} joined room ${roomId}`);
+        });
+
+        // Handle offering WebRTC signal (from one client to another)
+        socket.on("offer", (offer, roomId) => {
+            socket.to(roomId).emit("offer", offer);
+        });
+
+        // Handle answering WebRTC offer
+        socket.on("answer", (answer, roomId) => {
+            socket.to(roomId).emit("answer", answer);
+        });
+
+        // Handle ICE candidates for WebRTC
+        socket.on("ice-candidate", (candidate, roomId) => {
+            socket.to(roomId).emit("ice-candidate", candidate);
+        });
+
+        // Handle disconnection
+        socket.on("disconnect", () => {
+            logger.warn(`User disconnected: ${socket.id}`);
+        });
+    });
+};
+
+export default initializeSocket;