Working

package.json

@@ -9,7 +9,10 @@
     "author": "",
     "license": "ISC",
     "dependencies": {
-        "socket.io": "^4.4.1"
+        "ejs": "^3.1.6",
+        "express": "^4.17.2",
+        "socket.io": "^4.4.1",
+        "uuid": "^8.3.2"
     },
     "devDependencies": {
         "nodemon": "^2.0.15"

public/script.js

@@ -2,7 +2,8 @@ import moment from "https://jspm.dev/moment"
 import { io } from "https://cdn.socket.io/4.3.2/socket.io.esm.min.js"
 const socket = io(":3000")
 const messageButton = document.querySelector("#send")
-const nameButton = document.querySelector("button")
+const nameButton = document.querySelector("#name")
+const roomContainer = document.querySelector("#room-container")
 const nameInput = document.querySelector("input")
 const messageInput = document.querySelector("textarea")
 
@@ -34,29 +35,42 @@ const addMessage = (messageObject) => {
     document.querySelector("#messages").prepend(messageDiv)
 }
 
-nameButton.addEventListener("click", () => {
-    if (!nameInput.value) return (nameInput.required = true)
-    document.querySelector("#login").classList.add("done")
-    socket.emit("new-user", nameInput.value)
-    addMessage({
-        message: "You joined",
-        isYours: true,
-        isSystem: true,
-    })
+socket.on("room-created", (room) => {
+    const roomItem = document.createElement("li")
+    const roomLink = document.createElement("a")
+    roomLink.href = `/${room}`
+    roomLink.innerText = room
+    roomItem.append(roomLink)
+    roomContainer.append(roomItem)
 })
 
-messageButton.addEventListener("click", () => {
-    if (!messageInput.value) return (messageInput.required = true)
-    socket.emit("send-chat-message", messageInput.value)
-    addMessage({ user: "you", message: messageInput.value, isYours: true })
-    messageInput.value = ""
-})
+if (nameButton)
+    nameButton.addEventListener("click", () => {
+        if (!nameInput.value) return (nameInput.required = true)
+        document.querySelector("#login").classList.add("done")
+        socket.emit("new-user", roomName, nameInput.value)
+        addMessage({
+            message: "You joined",
+            isYours: true,
+            isSystem: true,
+        })
+    })
+
+if (messageButton)
+    messageButton.addEventListener("click", () => {
+        if (!messageInput.value) return (messageInput.required = true)
+        messageInput.required = false
+        socket.emit("send-chat-message", roomName, messageInput.value)
+        addMessage({ user: "you", message: messageInput.value, isYours: true })
+        messageInput.value = ""
+    })
 
 socket.on("chat-message", (message, user) => {
     addMessage({ message, user })
 })
 
 socket.on("user-connected", (name) => {
+    socket.emit("join-room", ROOM_ID)
     addMessage({ message: `${name} joined`, isSystem: true })
 })
 

public/style.css

@@ -30,7 +30,7 @@ footer {
     align-items: center;
 }
 
-nav a {
+a {
     margin: 0 0.5em;
     text-decoration: none;
     width: fit-content;
@@ -38,8 +38,12 @@ nav a {
     grid-template-columns: 1fr 500px;
 }
 
+a:hover {
+    text-decoration: underline;
+}
+
 nav:first-child a {
-    font-size: 1.5em;
+    font-size: 1.5em !important;
 }
 
 footer {
@@ -115,6 +119,13 @@ button:hover {
     color: white;
     border-radius: 20px;
 }
+#main-content {
+    background-color: var(--primary);
+    color: white;
+    display: flex;
+    padding: 30px;
+    flex-direction: column;
+}
 
 #messages {
     background-color: var(--primary);

server.js

@@ -1,27 +1,71 @@
-const io = require("socket.io")(3000, {
+const express = require("express")
+const app = express()
+const server = require("http").Server(app)
+const io = require("socket.io")(server, {
     cors: {
         origin: [
             "http://localhost:5500",
             "http://127.0.0.1:5500",
             "http//192.168.1.226:5500",
+            "http//192.168.1.226:5500",
         ],
     },
 })
 
-const users = {}
+app.set("views", "./views")
+app.set("view engine", "ejs")
+app.use(express.static("public"))
+app.use(express.urlencoded({ extended: true }))
+
+const getUserRooms = (socket) =>
+    Object.entries(rooms).reduce((names, [name, room]) => {
+        if (room.users[socket.id] != null) names.push(name)
+        return names
+    }, [])
+
+const rooms = {}
+
+app.get("/", (_, res) => {
+    res.render("index", { rooms: rooms })
+})
+
+app.post("/room", (req, res) => {
+    if (rooms[req.body.room] != null) {
+        return res.redirect("/")
+    }
+    rooms[req.body.room] = { users: {} }
+    res.redirect(req.body.room)
+    io.emit("room-created", req.body.room)
+})
+
+app.get("/:room", (req, res) => {
+    if (rooms[req.params.room] == null) {
+        return res.redirect("/")
+    }
+    res.render("room", { roomName: req.params.room })
+})
+
+server.listen(3000)
 
 io.on("connection", (socket) => {
-    socket.on("new-user", (name) => {
-        users[socket.id] = name
-        socket.broadcast.emit("user-connected", name)
+    socket.on("new-user", (room, name) => {
+        socket.join(room)
+        rooms[room].users[socket.id] = name
+        socket.broadcast.to(room).emit("user-connected", name)
     })
 
-    socket.on("send-chat-message", (message) =>
-        socket.broadcast.emit("chat-message", message, users[socket.id])
+    socket.on("send-chat-message", (room, message) => {
+        socket.broadcast
+            .to(room)
+            .emit("chat-message", message, rooms[room].users[socket.id])
+    })
+
+    socket.on("disconnect", () =>
+        getUserRooms(socket).forEach((room) => {
+            socket.broadcast
+                .to(room)
+                .emit("user-disconnected", rooms[room].users[socket.id])
+            delete rooms[room].users[socket.id]
+        })
     )
-
-    socket.on("disconnect", () => {
-        socket.broadcast.emit("user-disconnected", users[socket.id])
-        delete users[socket.id]
-    })
 })

views/index.ejs

@@ -0,0 +1,43 @@
+<!DOCTYPE html>
+<html lang="en">
+    <head>
+        <meta charset="UTF-8" />
+        <meta http-equiv="X-UA-Compatible" content="IE=edge" />
+        <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+        <title>Document</title>
+        <link rel="stylesheet" href="style.css" />
+        <script type="module" src="script.js"></script>
+    </head>
+    <body>
+        <nav><a href="#">Home</a><a href="#">Also home</a></nav>
+        <!-- <% if("<%= roomName %>") {} else -->
+        <div id="main-content">
+            <div id="room-container">
+                <span>Joinable rooms:</span>
+                <ul>
+                    <% Object.keys(rooms).forEach(room => { %>
+                    <li><a href="/<%= room %>"><%= room %></a></li>
+                    <% }) %>
+                </ul>
+            </div>
+            <form action="/room" method="POST">
+                <label for="room"></label>
+                <input
+                    id="room"
+                    name="room"
+                    type="text"
+                    placeholder="Room Name"
+                />
+                <button class="button-primary" type="submit">New Room</button>
+            </form>
+        </div>
+        <footer>
+            <a
+                target="_blank"
+                rel="noreferrer"
+                href="https://github.com/Henry-Hiles"
+                >My Github</a
+            >
+        </footer>
+    </body>
+</html>

views/room.ejs

@@ -3,8 +3,11 @@
     <head>
         <meta charset="utf-8" />
         <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-        <title>Messaging</title>
+        <title>Messaging - Chatting</title>
         <link rel="stylesheet" href="style.css" />
+        <script>
+            const roomName = "<%= roomName %>"
+        </script>
         <script type="module" src="script.js"></script>
     </head>
 
@@ -13,7 +16,7 @@
             <h1 class="large-header">Login</h1>
             <div>
                 <input type="text" placeholder="Username" />
-                <button class="button-circle">
+                <button class="button-circle" id="name">
                     <svg
                         xmlns="http://www.w3.org/2000/svg"
                         width="16"