added socketio connection

backend/package.json

@@ -7,6 +7,7 @@
     "cors": "^2.8.5",
     "express": "^4.17.1",
     "express-session": "^1.17.1",
-    "mongoose": "^5.12.0"
+    "mongoose": "^5.12.0",
+    "socket.io": "^4.5.1"
   }
 }

backend/server.js

@@ -1,59 +1,68 @@
 const express = require("express");
-const cors = require('cors');
-const cookieParser = require('cookie-parser')
-const session = require('express-session')
+const cors = require("cors");
+const cookieParser = require("cookie-parser");
+const session = require("express-session");
 
 const app = express();
 app.use(cookieParser());
-app.use(express.urlencoded({
-  extended: true
-}));
+app.use(
+  express.urlencoded({
+    extended: true,
+  })
+);
 app.use(express.json());
-app.set('trust proxy', 1)
-app.use(cors({
-  origin: [
-    'http://localhost:5000',
-    'https://localhost:5000',
-    'http://localhost:3001',
-  ],
-  credentials: true,
-}))
-const PORT = process.env.PORT;
+app.set("trust proxy", 1);
+app.use(
+  cors({
+    origin: [
+      "http://localhost:5000",
+      "https://localhost:5000",
+      "http://localhost:3001",
+      "http://localhost:3000",
+    ],
+    credentials: true,
+  })
+);
+const PORT = 5000;
 
 //DATABASE CONFIG
 const mongoose = require("mongoose");
-mongoose.set('useFindAndModify', false);
-//const CONNECTION_URI = require("./credentials.js").MONGODB_URL;
+mongoose.set("useFindAndModify", false);
+const CONNECTION_URI = require("./credentials.js");
 
-mongoose.connect(process.env.MONGODB_URL, {
+mongoose
+  .connect(CONNECTION_URI, {
     useNewUrlParser: true,
-    useUnifiedTopology: true
+    useUnifiedTopology: true,
   })
   .then(() => {
-    console.log('MongoDB Connected…');
+    console.log("MongoDB Connected…");
   })
-.catch(err => console.error(err));
+  .catch((err) => console.error(err));
 
 //SESSION CONFIG]
-var MongoDBStore = require('connect-mongodb-session')(session);
+var MongoDBStore = require("connect-mongodb-session")(session);
 var store = new MongoDBStore({
-  uri: process.env.MONGODB_URL,
-  collection: 'sessions'
+  uri: CONNECTION_URI,
+  collection: "sessions",
 });
-app.use(session({
-  secret: 'lalala',
-  resave: true,
-  saveUninitialized: false,
-  store: store,
-  cookie: { 
-    httpOnly: false,
-    secure: false,},
-}));
+app.use(
+  session({
+    secret: "lalala",
+    resave: true,
+    saveUninitialized: false,
+    store: store,
+    cookie: {
+      httpOnly: false,
+      secure: false,
+    },
+  })
+);
 
-if (process.env.NODE_ENV === 'production') {
-  app.use(express.static('/app/build'))
-  app.get('/', (req, res) => {
-    res.sendFile('/app/build/index.html')
+if (process.env.NODE_ENV === "production") {
+  app.use(express.static("/app/build"));
+  app.get("/", (req, res) => {
+    res.sendFile("/app/build/index.html");
   });
 }
 
@@ -62,10 +71,19 @@ const roomRoutes = require("./routes/room");
 const playerRoutes = require("./routes/player");
 const gameRoutes = require("./routes/game");
 
-app.use('/player', playerRoutes);
-app.use('/room', roomRoutes);
-app.use('/game', gameRoutes)
+app.use("/player", playerRoutes);
+app.use("/room", roomRoutes);
+app.use("/game", gameRoutes);
 
-app.listen(PORT, ()=>{
-    console.log("Server runs on port "+PORT);
-});
+const server = app.listen(PORT, () => {
+  console.log("Server runs on port " + PORT);
+});
+const socket = require("socket.io");
+const io = socket(server, {
+  cors: {
+    origin: "http://localhost:3000",
+  },
+});
+io.on("connection", () => {
+  console.log("a user connected");
+});