From 24c0a39ea0597fec7cbabd7e6a2537d49f426605 Mon Sep 17 00:00:00 2001 From: GauravN1kam <79043460+GauravN1kam@users.noreply.github.com> Date: Sun, 8 Oct 2023 18:14:40 +0000 Subject: [PATCH] Try commit --- .gitignore | 2 + app.js | 87 ++++ package-lock.json | 1165 ++++++++++++++++++++++++++++++++++++++++++ package.json | 18 + public/chat.html | 52 ++ public/css/style.css | 190 +++++++ public/index.html | 49 ++ public/js/main.js | 90 ++++ utils/messages.js | 11 + utils/users.js | 36 ++ 10 files changed, 1700 insertions(+) create mode 100644 .gitignore create mode 100644 app.js create mode 100644 package-lock.json create mode 100644 package.json create mode 100644 public/chat.html create mode 100644 public/css/style.css create mode 100644 public/index.html create mode 100644 public/js/main.js create mode 100644 utils/messages.js create mode 100644 utils/users.js diff --git a/.gitignore b/.gitignore new file mode 100644 index 000000000..7af7f0475 --- /dev/null +++ b/.gitignore @@ -0,0 +1,2 @@ +/node_modules +.env \ No newline at end of file diff --git a/app.js b/app.js new file mode 100644 index 000000000..c4486075b --- /dev/null +++ b/app.js @@ -0,0 +1,87 @@ +const path = require("path"); +const http = require("http"); +const express = require("express"); +const socketio = require("socket.io"); +const formatMessage = require("./utils/messages"); +const createAdapter = require("@socket.io/redis-adapter").createAdapter; +const redis = require("redis"); +require("dotenv").config(); +const { createClient } = redis; +const { + userJoin, + getCurrentUser, + userLeave, + getRoomUsers, +} = require("./utils/users"); + +const app = express(); +const server = http.createServer(app); +const io = socketio(server); + +// Set static folder +app.use(express.static(path.join(__dirname, "public"))); + +const botName = "ChatCord Bot"; + +(async () => { + pubClient = createClient({ url: "redis://127.0.0.1:6379" }); + await pubClient.connect(); + subClient = pubClient.duplicate(); + io.adapter(createAdapter(pubClient, subClient)); +})(); + +// Run when client connects +io.on("connection", (socket) => { + console.log(io.of("/").adapter); + socket.on("joinRoom", ({ username, room }) => { + const user = userJoin(socket.id, username, room); + + socket.join(user.room); + + // Welcome current user + socket.emit("message", formatMessage(botName, "Welcome to ChatCord!")); + + // Broadcast when a user connects + socket.broadcast + .to(user.room) + .emit( + "message", + formatMessage(botName, `${user.username} has joined the chat`) + ); + + // Send users and room info + io.to(user.room).emit("roomUsers", { + room: user.room, + users: getRoomUsers(user.room), + }); + }); + + // Listen for chatMessage + socket.on("chatMessage", (msg) => { + const user = getCurrentUser(socket.id); + + io.to(user.room).emit("message", formatMessage(user.username, msg)); + }); + + // Runs when client disconnects + socket.on("disconnect", () => { + const user = userLeave(socket.id); + + if (user) { + io.to(user.room).emit( + "message", + formatMessage(botName, `${user.username} has left the chat`) + ); + + // Send users and room info + io.to(user.room).emit("roomUsers", { + room: user.room, + users: getRoomUsers(user.room), + }); + } + }); +}); + +const PORT = process.env.PORT || 3000; + +server.listen(PORT, () => console.log(`Server running on port ${PORT}`)); \ No newline at end of file diff --git a/package-lock.json b/package-lock.json new file mode 100644 index 000000000..1aedc6a09 --- /dev/null +++ b/package-lock.json @@ -0,0 +1,1165 @@ +{ + "name": "backenddevelopmentapplications", + "version": "1.0.0", + "lockfileVersion": 3, + "requires": true, + "packages": { + "": { + "name": "backenddevelopmentapplications", + "version": "1.0.0", + "license": "ISC", + "dependencies": { + "express": "^4.18.2", + "moment": "^2.29.4", + "nodemon": "^3.0.1", + "socket.io": "^4.7.2" + } + }, + "node_modules/@socket.io/component-emitter": { + "version": "3.1.0", + "resolved": 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create a real-time chat application using Node.js, Express.js, TypeScript, and Socket.io. This chat application will enable users to communicate with each other by sending text messages and sharing images in real-time within a chat room.", + "main": "app.js", + "scripts": { + "start": "nodemon app.js", + "test": "echo \"Error: no test specified\" && exit 1" + }, + "author": "Gaurav Nikam", + "license": "ISC", + "dependencies": { + "express": "^4.18.2", + "moment": "^2.29.4", + "nodemon": "^3.0.1", + "socket.io": "^4.7.2" + } +} diff --git a/public/chat.html b/public/chat.html new file mode 100644 index 000000000..dc3b0dfad --- /dev/null +++ b/public/chat.html @@ -0,0 +1,52 @@ + + + + + + + + ChatCord App + + +
+
+

ChatCord

+ Leave Room +
+
+
+

Room Name:

+

+

Users

+
    +
    +
    +
    +
    +
    + + +
    +
    +
    + + + + + + \ No newline at end of file diff --git a/public/css/style.css b/public/css/style.css new file mode 100644 index 000000000..23ffdf98d --- /dev/null +++ b/public/css/style.css @@ -0,0 +1,190 @@ +@import url('https://fonts.googleapis.com/css?family=Roboto&display=swap'); + +:root { + --dark-color-a: #667aff; + --dark-color-b: #7386ff; + --light-color: #e6e9ff; + --success-color: #5cb85c; + --error-color: #d9534f; +} + +* { + box-sizing: border-box; + margin: 0; + padding: 0; +} + +body { + font-family: 'Roboto', sans-serif; + font-size: 16px; + background: var(--light-color); + margin: 20px; +} + +ul { + list-style: none; +} + +a { + text-decoration: none; +} + +.btn { + cursor: pointer; + padding: 5px 15px; + background: var(--light-color); + color: var(--dark-color-a); + border: 0; + font-size: 17px; +} + +/* Chat Page */ + +.chat-container { + max-width: 1100px; + background: #fff; + margin: 30px auto; + overflow: hidden; +} + +.chat-header { + background: var(--dark-color-a); + color: #fff; + border-top-left-radius: 5px; + border-top-right-radius: 5px; + padding: 15px; + display: flex; + align-items: center; + justify-content: space-between; +} + +.chat-main { + display: grid; + grid-template-columns: 1fr 3fr; +} + +.chat-sidebar { + background: var(--dark-color-b); + color: #fff; + padding: 20px 20px 60px; + overflow-y: scroll; +} + +.chat-sidebar h2 { + font-size: 20px; + background: rgba(0, 0, 0, 0.1); + padding: 10px; + margin-bottom: 20px; +} + +.chat-sidebar h3 { + margin-bottom: 15px; +} + +.chat-sidebar ul li { + padding: 10px 0; +} + +.chat-messages { + padding: 30px; + max-height: 500px; + overflow-y: scroll; +} + +.chat-messages .message { + padding: 10px; + margin-bottom: 15px; + background-color: var(--light-color); + border-radius: 5px; + overflow-wrap: break-word; +} + +.chat-messages .message .meta { + font-size: 15px; + font-weight: bold; + color: var(--dark-color-b); + opacity: 0.7; + margin-bottom: 7px; +} + +.chat-messages .message .meta span { + color: #777; +} + +.chat-form-container { + padding: 20px 30px; + background-color: var(--dark-color-a); +} + +.chat-form-container form { + display: flex; +} + +.chat-form-container input[type='text'] { + font-size: 16px; + padding: 5px; + height: 40px; + flex: 1; +} + +/* Join Page */ +.join-container { + max-width: 500px; + margin: 80px auto; + color: #fff; +} + +.join-header { + text-align: center; + padding: 20px; + background: var(--dark-color-a); + border-top-left-radius: 5px; + border-top-right-radius: 5px; +} + +.join-main { + padding: 30px 40px; + background: var(--dark-color-b); +} + +.join-main p { + margin-bottom: 20px; +} + +.join-main .form-control { + margin-bottom: 20px; +} + +.join-main label { + display: block; + margin-bottom: 5px; +} + +.join-main input[type='text'] { + font-size: 16px; + padding: 5px; + height: 40px; + width: 100%; +} + +.join-main select { + font-size: 16px; + padding: 5px; + height: 40px; + width: 100%; +} + +.join-main .btn { + margin-top: 20px; + width: 100%; +} + +@media (max-width: 700px) { + .chat-main { + display: block; + } + + .chat-sidebar { + display: none; + } +} \ No newline at end of file diff --git a/public/index.html b/public/index.html new file mode 100644 index 000000000..ff13d784c --- /dev/null +++ b/public/index.html @@ -0,0 +1,49 @@ + + + + + + + + + ChatCord App + + +
    +
    +

    ChatCord

    +
    +
    +
    +
    + + +
    +
    + + +
    + +
    +
    +
    + + \ No newline at end of file diff --git a/public/js/main.js b/public/js/main.js new file mode 100644 index 000000000..1535e6925 --- /dev/null +++ b/public/js/main.js @@ -0,0 +1,90 @@ +const chatForm = document.getElementById('chat-form'); +const chatMessages = document.querySelector('.chat-messages'); +const roomName = document.getElementById('room-name'); +const userList = document.getElementById('users'); + +// Get username and room from URL +const { username, room } = Qs.parse(location.search, { + ignoreQueryPrefix: true, +}); + +const socket = io(); + +// Join chatroom +socket.emit('joinRoom', { username, room }); + +// Get room and users +socket.on('roomUsers', ({ room, users }) => { + outputRoomName(room); + outputUsers(users); +}); + +// Message from server +socket.on('message', (message) => { + console.log(message); + outputMessage(message); + + // Scroll down + chatMessages.scrollTop = chatMessages.scrollHeight; +}); + +// Message submit +chatForm.addEventListener('submit', (e) => { + e.preventDefault(); + + // Get message text + let msg = e.target.elements.msg.value; + + msg = msg.trim(); + + if (!msg) { + return false; + } + + // Emit message to server + socket.emit('chatMessage', msg); + + // Clear input + e.target.elements.msg.value = ''; + e.target.elements.msg.focus(); +}); + +// Output message to DOM +function outputMessage(message) { + const div = document.createElement('div'); + div.classList.add('message'); + const p = document.createElement('p'); + p.classList.add('meta'); + p.innerText = message.username; + p.innerHTML += `${message.time}`; + div.appendChild(p); + const para = document.createElement('p'); + para.classList.add('text'); + para.innerText = message.text; + div.appendChild(para); + document.querySelector('.chat-messages').appendChild(div); +} + +// Add room name to DOM +function outputRoomName(room) { + roomName.innerText = room; +} + +// Add users to DOM +function outputUsers(users) { + userList.innerHTML = ''; + users.forEach((user) => { + const li = document.createElement('li'); + li.innerText = user.username; + userList.appendChild(li); + }); +} + +//Prompt the user before leave chat room +document.getElementById('leave-btn').addEventListener('click', () => { + const leaveRoom = confirm('Are you sure you want to leave the chatroom?'); + if (leaveRoom) { + window.location = '../index.html'; + } else { + } +}); \ No newline at end of file diff --git a/utils/messages.js b/utils/messages.js new file mode 100644 index 000000000..2c36f8c62 --- /dev/null +++ b/utils/messages.js @@ -0,0 +1,11 @@ +const moment = require('moment'); + +function formatMessage(username, text) { + return { + username, + text, + time: moment().format('h:mm a') + }; +} + +module.exports = formatMessage; \ No newline at end of file diff --git a/utils/users.js b/utils/users.js new file mode 100644 index 000000000..5400dff0f --- /dev/null +++ b/utils/users.js @@ -0,0 +1,36 @@ +const users = []; + +// Join user to chat +function userJoin(id, username, room) { + const user = { id, username, room }; + + users.push(user); + + return user; +} + +// Get current user +function getCurrentUser(id) { + return users.find(user => user.id === id); +} + +// User leaves chat +function userLeave(id) { + const index = users.findIndex(user => user.id === id); + + if (index !== -1) { + return users.splice(index, 1)[0]; + } +} + +// Get room users +function getRoomUsers(room) { + return users.filter(user => user.room === room); +} + +module.exports = { + userJoin, + getCurrentUser, + userLeave, + getRoomUsers +}; \ No newline at end of file