├── .gitignore ├── README.md ├── backend ├── .gitignore ├── configs │ └── users.js ├── package-lock.json ├── package.json └── server.js ├── react-app ├── .gitignore ├── README.md ├── development.env ├── package-lock.json ├── package.json ├── production.env ├── public │ ├── favicon.ico │ ├── index.html │ └── manifest.json └── src │ ├── App.css │ ├── App.js │ ├── App.test.js │ ├── __tests__ │ ├── ChatBox.test.js │ ├── NavBar.test.js │ └── UserList.test.js │ ├── components │ ├── ChatBox.js │ ├── ErrorModal.js │ ├── LoadingModal.js │ ├── NavBar.js │ └── UserList.js │ ├── dummy-users-for-jest.js │ ├── index.css │ ├── index.js │ ├── logo.svg │ ├── requests.js │ ├── serviceWorker.js │ ├── setupTests.js │ └── static │ └── images │ └── avatar │ ├── 1.jpg │ ├── 2.jpg │ ├── 3.jpg │ ├── 4.jpg │ ├── 5.jpg │ ├── 6.jpg │ ├── 7.jpg │ └── 8.jpg └── screenshot.png /.gitignore: -------------------------------------------------------------------------------- 1 | # See https://help.github.com/articles/ignoring-files/ for more about ignoring files. 2 | 3 | # dependencies 4 | /react-app/node_modules 5 | /backend/node_modules 6 | /react-app/.pnp 7 | /react-app/.pnp.js 8 | 9 | # testing 10 | /react-app/coverage 11 | 12 | # production 13 | /react-app/build 14 | 15 | # misc 16 | /react-app/.DS_Store 17 | /react-app/.env.local 18 | /react-app/.env.development.local 19 | /react-app/.env.test.local 20 | /react-app/.env.production.local 21 | 22 | /react-app/npm-debug.log* 23 | /react-app/yarn-debug.log* 24 | /react-app/yarn-error.log* 25 | 26 | 27 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # React Socket IO Chat-app Example 2 | A simple real-time chat application implementation using Socket.io, Node and React. 3 | 4 | ![Screenshot of demo](./screenshot.png) 5 | 6 | see a live demo [here](https://evening-coast-74033.herokuapp.com/) 7 | 8 | ## Setup and run 9 | * Make sure you have port 3000 and 8002 free in your machine. 10 | * Run `npm i` in both /backend and /react-app directories. 11 | * Open two terminal windows and navigate to both of these directories and run `npm start` 12 | 13 | ## Instructions to run this app 14 | For signing in differently in the app, you can use two different browser tabs opening the same application and can chat in real-time. There is no session maintained so on every page visit it will ask for signing-in. ( For example you can select Alexa in one tab to sign in and TARS in second tab and then you can send message to TARS from Alexa's tab and you should see an unread message on TARS tab ). 15 | 16 | Messages are stored in browser memory so on subsequent refreshes messages will be lost. we could've stored messages on server' DB though, but DB is not in the scenario. 17 | -------------------------------------------------------------------------------- /backend/.gitignore: -------------------------------------------------------------------------------- 1 | node_modules 2 | -------------------------------------------------------------------------------- /backend/configs/users.js: -------------------------------------------------------------------------------- 1 | module.exports = [ 2 | { 3 | id: 1, 4 | name: 'Alexa' 5 | }, 6 | { 7 | id: 2, 8 | name: 'Google Assistant' 9 | }, 10 | { 11 | id: 3, 12 | name: 'Siri' 13 | }, 14 | { 15 | id: 4, 16 | name: 'TARS' 17 | }, 18 | { 19 | id: 5, 20 | name: 'CASE' 21 | }, 22 | { 23 | id: 6, 24 | name: 'KIPP' 25 | }, 26 | { 27 | id: 7, 28 | name: 'Jarvis' 29 | } 30 | ] -------------------------------------------------------------------------------- /backend/package-lock.json: -------------------------------------------------------------------------------- 1 | { 2 | "name": "cool-chat-backend", 3 | "version": "1.0.0", 4 | "lockfileVersion": 1, 5 | "requires": true, 6 | "dependencies": { 7 | "accepts": { 8 | "version": "1.3.5", 9 | "resolved": "https://registry.npmjs.org/accepts/-/accepts-1.3.5.tgz", 10 | "integrity": "sha1-63d99gEXI6OxTopywIBcjoZ0a9I=", 11 | "requires": { 12 | "mime-types": "~2.1.18", 13 | "negotiator": "0.6.1" 14 | } 15 | }, 16 | "after": { 17 | "version": "0.8.2", 18 | "resolved": "https://registry.npmjs.org/after/-/after-0.8.2.tgz", 19 | "integrity": "sha1-/ts5T58OAqqXaOcCvaI7UF+ufh8=" 20 | }, 21 | "array-flatten": { 22 | "version": "1.1.1", 23 | "resolved": 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-------------------------------------------------------------------------------- /backend/package.json: -------------------------------------------------------------------------------- 1 | { 2 | "name": "cool-chat-backend", 3 | "version": "1.0.0", 4 | "description": "", 5 | "main": "index.js", 6 | "scripts": { 7 | "start": "node server.js" 8 | }, 9 | "keywords": [], 10 | "author": "", 11 | "license": "ISC", 12 | "dependencies": { 13 | "cors": "^2.8.5", 14 | "express": "^4.16.4", 15 | "socket.io": "^2.4.0" 16 | } 17 | } 18 | -------------------------------------------------------------------------------- /backend/server.js: -------------------------------------------------------------------------------- 1 | const express = require("express"); 2 | const app = express(); 3 | const port = 8002; 4 | var server = require("http").Server(app); 5 | const io = require("socket.io")(server); 6 | const users = require("./configs/users"); 7 | const cors = require("cors"); 8 | 9 | app.use(cors()); 10 | 11 | var clients = {}; 12 | 13 | io.on("connection", function(client) { 14 | client.on("sign-in", e => { 15 | let user_id = e.id; 16 | if (!user_id) return; 17 | client.user_id = user_id; 18 | if (clients[user_id]) { 19 | clients[user_id].push(client); 20 | } else { 21 | clients[user_id] = [client]; 22 | } 23 | }); 24 | 25 | client.on("message", e => { 26 | let targetId = e.to; 27 | let sourceId = client.user_id; 28 | if(targetId && clients[targetId]) { 29 | clients[targetId].forEach(cli => { 30 | cli.emit("message", e); 31 | }); 32 | } 33 | 34 | if(sourceId && clients[sourceId]) { 35 | clients[sourceId].forEach(cli => { 36 | cli.emit("message", e); 37 | }); 38 | } 39 | }); 40 | 41 | client.on("disconnect", function() { 42 | if (!client.user_id || !clients[client.user_id]) { 43 | return; 44 | } 45 | let targetClients = clients[client.user_id]; 46 | for (let i = 0; i < targetClients.length; ++i) { 47 | if (targetClients[i] == client) { 48 | targetClients.splice(i, 1); 49 | } 50 | } 51 | }); 52 | }); 53 | 54 | app.get("/users", (req, res) => { 55 | res.send({ data: users }); 56 | }); 57 | 58 | server.listen(port, () => 59 | console.log(`Example app listening on port ${port}!`) 60 | ); 61 | -------------------------------------------------------------------------------- /react-app/.gitignore: -------------------------------------------------------------------------------- 1 | # See https://help.github.com/articles/ignoring-files/ for more about ignoring files. 2 | 3 | # dependencies 4 | /node_modules 5 | /.pnp 6 | .pnp.js 7 | 8 | # testing 9 | /coverage 10 | 11 | # production 12 | /build 13 | 14 | # misc 15 | .DS_Store 16 | .env.local 17 | .env.development.local 18 | .env.test.local 19 | .env.production.local 20 | 21 | npm-debug.log* 22 | yarn-debug.log* 23 | yarn-error.log* 24 | -------------------------------------------------------------------------------- /react-app/README.md: -------------------------------------------------------------------------------- 1 | This project was bootstrapped with [Create React App](https://github.com/facebook/create-react-app). 2 | 3 | ## Available Scripts 4 | 5 | In the project directory, you can run: 6 | 7 | ### `npm start` 8 | 9 | Runs the app in the development mode.
10 | Open [http://localhost:3000](http://localhost:3000) to view it in the browser. 11 | 12 | The page will reload if you make edits.
13 | You will also see any lint errors in the console. 14 | 15 | ### `npm test` 16 | 17 | Launches the test runner in the interactive watch mode.
18 | See the section about [running tests](https://facebook.github.io/create-react-app/docs/running-tests) for more information. 19 | 20 | ### `npm run build` 21 | 22 | Builds the app for production to the `build` folder.
23 | It correctly bundles React in production mode and optimizes the build for the best performance. 24 | 25 | The build is minified and the filenames include the hashes.
26 | Your app is ready to be deployed! 27 | 28 | See the section about [deployment](https://facebook.github.io/create-react-app/docs/deployment) for more information. 29 | 30 | ### `npm run eject` 31 | 32 | **Note: this is a one-way operation. Once you `eject`, you can’t go back!** 33 | 34 | If you aren’t satisfied with the build tool and configuration choices, you can `eject` at any time. This command will remove the single build dependency from your project. 35 | 36 | Instead, it will copy all the configuration files and the transitive dependencies (Webpack, Babel, ESLint, etc) right into your project so you have full control over them. All of the commands except `eject` will still work, but they will point to the copied scripts so you can tweak them. At this point you’re on your own. 37 | 38 | You don’t have to ever use `eject`. The curated feature set is suitable for small and middle deployments, and you shouldn’t feel obligated to use this feature. However we understand that this tool wouldn’t be useful if you couldn’t customize it when you are ready for it. 39 | 40 | ## Learn More 41 | 42 | You can learn more in the [Create React App documentation](https://facebook.github.io/create-react-app/docs/getting-started). 43 | 44 | To learn React, check out the [React documentation](https://reactjs.org/). 45 | -------------------------------------------------------------------------------- /react-app/development.env: -------------------------------------------------------------------------------- 1 | SERVER_URI=http://localhost:8002 -------------------------------------------------------------------------------- /react-app/package.json: -------------------------------------------------------------------------------- 1 | { 2 | "name": "cool-chat", 3 | "version": "0.1.0", 4 | "private": true, 5 | "dependencies": { 6 | "axios": "^0.21.2", 7 | "fsevents": "^2.1.2", 8 | "react": "^16.13.1", 9 | "react-app-env": "^1.2.3", 10 | "react-bootstrap": "^0.32.4", 11 | "react-chat-elements": "^10.8.0", 12 | "react-dom": "^16.13.1", 13 | "react-notifications": "^1.6.0", 14 | "react-scripts": "^3.4.1", 15 | "socket.io-client": "^2.3.0" 16 | }, 17 | "scripts": { 18 | "start": "react-app-env start", 19 | "build": "react-app-env build", 20 | "test": "react-scripts test", 21 | "eject": "react-scripts eject" 22 | }, 23 | "eslintConfig": { 24 | "extends": "react-app" 25 | }, 26 | "browserslist": [ 27 | ">0.2%", 28 | "not dead", 29 | "not ie <= 11", 30 | "not op_mini all" 31 | ], 32 | "devDependencies": { 33 | "enzyme": "^3.11.0", 34 | "enzyme-adapter-react-15": "^1.4.1", 35 | "enzyme-adapter-react-16": "^1.15.2", 36 | "jest-enzyme": "^7.1.2" 37 | } 38 | } 39 | -------------------------------------------------------------------------------- /react-app/production.env: -------------------------------------------------------------------------------- 1 | SERVER_URI=http://13.233.166.21:8002 2 | -------------------------------------------------------------------------------- /react-app/public/favicon.ico: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/stack-guru/ReactChatApp-SocketIo/11d005fa540d996c7c00174b33f8984c90f4c79a/react-app/public/favicon.ico -------------------------------------------------------------------------------- /react-app/public/index.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 12 | 13 | 14 | 15 | 16 | 17 | 26 | React App 27 | 28 | 29 | 32 |
33 | 43 | 44 | 45 | -------------------------------------------------------------------------------- /react-app/public/manifest.json: -------------------------------------------------------------------------------- 1 | { 2 | "short_name": "React App", 3 | "name": "Create React App Sample", 4 | "icons": [ 5 | { 6 | "src": "favicon.ico", 7 | "sizes": "64x64 32x32 24x24 16x16", 8 | "type": "image/x-icon" 9 | } 10 | ], 11 | "start_url": ".", 12 | "display": "standalone", 13 | "theme_color": "#000000", 14 | "background_color": "#ffffff" 15 | } 16 | -------------------------------------------------------------------------------- /react-app/src/App.css: -------------------------------------------------------------------------------- 1 | .App { 2 | text-align: center; 3 | } 4 | 5 | .App-logo { 6 | animation: App-logo-spin infinite 20s linear; 7 | height: 40vmin; 8 | } 9 | 10 | .App-header { 11 | background-color: #282c34; 12 | min-height: 100vh; 13 | display: flex; 14 | flex-direction: column; 15 | align-items: center; 16 | justify-content: center; 17 | font-size: calc(10px + 2vmin); 18 | color: white; 19 | } 20 | 21 | .App-link { 22 | color: #61dafb; 23 | } 24 | 25 | @keyframes App-logo-spin { 26 | from { 27 | transform: rotate(0deg); 28 | } 29 | to { 30 | transform: rotate(360deg); 31 | } 32 | } 33 | -------------------------------------------------------------------------------- /react-app/src/App.js: -------------------------------------------------------------------------------- 1 | import React, { Component } from "react"; 2 | import NavBar from "./components/NavBar"; 3 | import Grid from "react-bootstrap/lib/Grid"; 4 | import Row from "react-bootstrap/lib/Row"; 5 | import Col from "react-bootstrap/lib/Col"; 6 | import Modal from "react-bootstrap/lib/Modal"; 7 | import UserList from "./components/UserList"; 8 | import ChatBox from "./components/ChatBox"; 9 | import ErrorModal from "./components/ErrorModal"; 10 | import LoadingModal from "./components/LoadingModal"; 11 | import "react-chat-elements/dist/main.css"; 12 | import "./index.css"; 13 | import io from "socket.io-client"; 14 | import { fetchUsers } from "./requests"; 15 | import { 16 | NotificationContainer, 17 | NotificationManager 18 | } from "react-notifications"; 19 | import "react-notifications/lib/notifications.css"; 20 | import axios from "axios"; 21 | 22 | /** 23 | * Fetches socket server URL from env 24 | */ 25 | const SOCKET_URI = process.env.REACT_APP_SERVER_URI; 26 | 27 | /** 28 | * App Component 29 | * 30 | * initiaites Socket connection and handle all cases like disconnected, 31 | * reconnected again so that user can send messages when he is back online 32 | * 33 | * handles Error scenarios if requests from Axios fails. 34 | * 35 | */ 36 | 37 | class App extends Component { 38 | socket = null; 39 | 40 | state = { 41 | signInModalShow: false, 42 | users: [], // Avaiable users for signing-in 43 | userChatData: [], // this contains users from which signed-in user can chat and its message data. 44 | user: null, // Signed-In User 45 | selectedUserIndex: null, 46 | showChatBox: false, // For small devices only 47 | showChatList: true, // For small devices only 48 | error: false, 49 | errorMessage: "" 50 | }; 51 | 52 | /** 53 | * 54 | * Setups Axios to monitor XHR errors. 55 | * Initiates and listen to socket. 56 | * fetches User's list from backend to populate. 57 | */ 58 | 59 | componentDidMount() { 60 | this.initAxios(); 61 | this.initSocketConnection(); 62 | fetchUsers().then(users => this.setState({ users, signInModalShow: true })); 63 | this.setupSocketListeners(); 64 | } 65 | 66 | initSocketConnection() { 67 | this.socket = io.connect(SOCKET_URI); 68 | } 69 | 70 | /** 71 | * 72 | * Checks if request from axios fails 73 | * and if it does then shows error modal. 74 | */ 75 | initAxios() { 76 | axios.interceptors.request.use( 77 | config => { 78 | this.setState({ loading: true }); 79 | return config; 80 | }, 81 | error => { 82 | this.setState({ loading: false }); 83 | this.setState({ 84 | errorMessage: `Couldn't connect to server. try refreshing the page.`, 85 | error: true 86 | }); 87 | return Promise.reject(error); 88 | } 89 | ); 90 | axios.interceptors.response.use( 91 | response => { 92 | this.setState({ loading: false }); 93 | return response; 94 | }, 95 | error => { 96 | this.setState({ loading: false }); 97 | this.setState({ 98 | errorMessage: `Some error occured. try after sometime`, 99 | error: true 100 | }); 101 | return Promise.reject(error); 102 | } 103 | ); 104 | } 105 | 106 | /** 107 | * 108 | * Shows error if client gets disconnected. 109 | */ 110 | onClientDisconnected() { 111 | NotificationManager.error( 112 | "Connection Lost from server please check your connection.", 113 | "Error!" 114 | ); 115 | } 116 | 117 | /** 118 | * 119 | * Established new connection if reconnected. 120 | */ 121 | onReconnection() { 122 | if (this.state.user) { 123 | this.socket.emit("sign-in", this.state.user); 124 | NotificationManager.success("Connection Established.", "Reconnected!"); 125 | } 126 | } 127 | 128 | /** 129 | * 130 | * Setup all listeners 131 | */ 132 | 133 | setupSocketListeners() { 134 | this.socket.on("message", this.onMessageRecieved.bind(this)); 135 | this.socket.on("reconnect", this.onReconnection.bind(this)); 136 | this.socket.on("disconnect", this.onClientDisconnected.bind(this)); 137 | } 138 | 139 | /** 140 | * 141 | * @param {MessageRecievedFromSocket} message 142 | * 143 | * Triggered when message is received. 144 | * It can be a message from user himself but on different session (Tab). 145 | * so it decides which is the position of the message "right" or "left". 146 | * 147 | * increments unread count and appends in the messages array to maintain Chat History 148 | */ 149 | 150 | onMessageRecieved(message) { 151 | let userChatData = this.state.userChatData; 152 | let messageData = message.message; 153 | let targetId; 154 | if (message.from === this.state.user.id) { 155 | messageData.position = "right"; 156 | targetId = message.to; 157 | } else { 158 | messageData.position = "left"; 159 | targetId = message.from; 160 | } 161 | let targetIndex = userChatData.findIndex(u => u.id === targetId); 162 | if (!userChatData[targetIndex].messages) { 163 | userChatData[targetIndex].messages = []; 164 | } 165 | if (targetIndex !== this.state.selectedUserIndex) { 166 | if (!userChatData[targetIndex].unread) { 167 | userChatData[targetIndex].unread = 0; 168 | } 169 | userChatData[targetIndex].unread++; 170 | } 171 | userChatData[targetIndex].messages.push(messageData); 172 | this.setState({ userChatData }); 173 | } 174 | 175 | /** 176 | * 177 | * @param {User} e 178 | * 179 | * called when user clicks to sign-in 180 | */ 181 | onUserClicked(e) { 182 | let user = e.user; 183 | this.socket.emit("sign-in", user); 184 | let userChatData = this.state.users.filter(u => u.id !== user.id); 185 | this.setState({ user, signInModalShow: false, userChatData }); 186 | } 187 | 188 | /** 189 | * 190 | * @param {ChatItem} e 191 | * 192 | * handles if user clickes on ChatItem on left. 193 | */ 194 | onChatClicked(e) { 195 | this.toggleViews(); 196 | let users = this.state.userChatData; 197 | for (let index = 0; index < users.length; index++) { 198 | if (users[index].id === e.user.id) { 199 | users[index].unread = 0; 200 | this.setState({ selectedUserIndex: index, userChatData: users }); 201 | return; 202 | } 203 | } 204 | } 205 | 206 | /** 207 | * 208 | * @param {messageText} text 209 | * 210 | * creates message in a format in which messageList can render. 211 | * position is purposely omitted and will be appended when message is received. 212 | */ 213 | createMessage(text) { 214 | let message = { 215 | to: this.state.userChatData[this.state.selectedUserIndex].id, 216 | message: { 217 | type: "text", 218 | text: text, 219 | date: +new Date(), 220 | className: "message" 221 | }, 222 | from: this.state.user.id 223 | }; 224 | this.socket.emit("message", message); 225 | } 226 | 227 | /** 228 | * Toggles views from 'ChatList' to 'ChatBox' 229 | * 230 | * only on Phone 231 | */ 232 | toggleViews() { 233 | this.setState({ 234 | showChatBox: !this.state.showChatBox, 235 | showChatList: !this.state.showChatList 236 | }); 237 | } 238 | 239 | render() { 240 | let chatBoxProps = this.state.showChatBox 241 | ? { 242 | xs: 12, 243 | sm: 12 244 | } 245 | : { 246 | xsHidden: true, 247 | smHidden: true 248 | }; 249 | 250 | let chatListProps = this.state.showChatList 251 | ? { 252 | xs: 12, 253 | sm: 12 254 | } 255 | : { 256 | xsHidden: true, 257 | smHidden: true 258 | }; 259 | 260 | return ( 261 |
262 | 263 | 264 | 265 | 266 | 270 | 271 | 272 | 280 | 281 | 282 | 283 | 284 | 285 | Sign In as: 286 | 287 | 288 | 289 | 294 | 295 | 296 | 300 | 301 | 302 |
303 | ); 304 | } 305 | } 306 | 307 | export default App; 308 | -------------------------------------------------------------------------------- /react-app/src/App.test.js: -------------------------------------------------------------------------------- 1 | import React from 'react'; 2 | import ReactDOM from 'react-dom'; 3 | import App from './App'; 4 | 5 | it('renders without crashing', () => { 6 | const div = document.createElement('div'); 7 | ReactDOM.render(, div); 8 | }); 9 | -------------------------------------------------------------------------------- /react-app/src/__tests__/ChatBox.test.js: -------------------------------------------------------------------------------- 1 | import React from "react"; 2 | import { mount } from "enzyme"; 3 | import ChatBox from "../components/ChatBox"; 4 | import users from "../dummy-users-for-jest"; 5 | 6 | describe("ChatBox", () => { 7 | describe("when targetUser is null", () => { 8 | it("should render Jumbotron", () => { 9 | const wrapper = mount(); 10 | expect(wrapper.find(".jumbotron").exists()).toBe(true); 11 | wrapper.unmount(); 12 | }); 13 | }); 14 | 15 | /** 16 | * 17 | * When TargetUser is not null 18 | * 19 | * then it show the NavBar, MessageList, MessageTextBox, SendButton 20 | */ 21 | describe("when targetUser is not null", () => { 22 | it("should render chatbox not Jumbotron", () => { 23 | const wrapper = mount( 24 | 25 | ); 26 | expect(wrapper.find(".jumbotron").exists()).toBe(false); 27 | expect(wrapper.find(".navBarText").exists()).toBe(true); 28 | expect(wrapper.find(".message-list").exists()).toBe(true); 29 | expect(wrapper.find(".messageTextBox").exists()).toBe(true); 30 | expect(wrapper.find(".sendButton").exists()).toBe(true); 31 | wrapper.unmount(); 32 | }); 33 | }); 34 | }); 35 | -------------------------------------------------------------------------------- /react-app/src/__tests__/NavBar.test.js: -------------------------------------------------------------------------------- 1 | import React from "react"; 2 | import { mount } from "enzyme"; 3 | import NavBar from "../components/NavBar"; 4 | import users from "../dummy-users-for-jest"; 5 | 6 | /** 7 | * 8 | * It Should display the name of the user signed-in 9 | */ 10 | describe("NavBar", () => { 11 | describe("when provided signed-in user should show user name", () => { 12 | it("should render users", () => { 13 | const wrapper = mount(); 14 | expect(wrapper.find(".signed-in-user").text()).toBe(users[0].name); 15 | wrapper.unmount(); 16 | }); 17 | }); 18 | }); 19 | -------------------------------------------------------------------------------- /react-app/src/__tests__/UserList.test.js: -------------------------------------------------------------------------------- 1 | import React from "react"; 2 | import { mount } from "enzyme"; 3 | import UserList from "../components/UserList"; 4 | import users from "../dummy-users-for-jest"; 5 | 6 | describe("UserList", () => { 7 | 8 | /** 9 | * 10 | * if users given to users list then it should 11 | * show all the users. 12 | */ 13 | describe("when userData given to UserList", () => { 14 | it("should render users", () => { 15 | const wrapper = mount(); 16 | expect(wrapper.find(".chat-list").exists()).toBe(true); 17 | expect(wrapper.find(".rce-citem-body--top-title").length).toBe( 18 | users.length 19 | ); 20 | expect( 21 | wrapper 22 | .find(".rce-citem-body--top-title") 23 | .first() 24 | .text() 25 | ).toBe(users[0].name); 26 | wrapper.unmount(); 27 | }); 28 | }); 29 | 30 | /** 31 | * 32 | * If not then it should show the the message "No users to show." 33 | */ 34 | describe("when no users given to UserList", () => { 35 | it("should render users", () => { 36 | const wrapper = mount(); 37 | expect(wrapper.find(".chat-list").exists()).toBe(false); 38 | expect( 39 | wrapper 40 | .find(".no-users") 41 | .first() 42 | .text() 43 | ).toBe("No users to show."); 44 | wrapper.unmount(); 45 | }); 46 | }); 47 | }); 48 | -------------------------------------------------------------------------------- /react-app/src/components/ChatBox.js: -------------------------------------------------------------------------------- 1 | import React, { Component } from "react"; 2 | import FormControl from "react-bootstrap/lib/FormControl"; 3 | import InputGroup from "react-bootstrap/lib/InputGroup"; 4 | import Button from "react-bootstrap/lib/Button"; 5 | import FormGroup from "react-bootstrap/lib/FormGroup"; 6 | import Col from "react-bootstrap/lib/Col"; 7 | import Jumbotron from "react-bootstrap/lib/Jumbotron"; 8 | import Glyphicon from "react-bootstrap/lib/Glyphicon"; 9 | import { 10 | MessageList, 11 | Navbar as NavbarComponent, 12 | Avatar 13 | } from "react-chat-elements"; 14 | 15 | /** 16 | * 17 | * ChatBox Component 18 | * 19 | * displays all the messages from chat history. 20 | * renders message text box for input. 21 | */ 22 | 23 | export default class ChatBox extends Component { 24 | state = { 25 | messageText: "" 26 | }; 27 | /** 28 | * 29 | * Sends a message only if it is not falsy. 30 | */ 31 | onSendClicked() { 32 | if (!this.state.messageText) { 33 | return; 34 | } 35 | this.props.onSendClicked(this.state.messageText); 36 | this.setState({ messageText: "" }); 37 | } 38 | onMessageInputChange(e) { 39 | this.setState({ messageText: e.target.value }); 40 | } 41 | /** 42 | * 43 | * @param {KeyboardEvent} e 44 | * 45 | * listen for enter pressed and sends the message. 46 | */ 47 | onMessageKeyPress(e) { 48 | if (e.key === "Enter") { 49 | this.onSendClicked(); 50 | } 51 | } 52 | 53 | render() { 54 | return ( 55 |
56 | {this.props.targetUser ? ( 57 |
58 | 61 | 62 |

63 | 67 |

68 | 69 | 77 |

{this.props.targetUser.name}

78 |
79 | } 80 | /> 81 | 87 | 88 | 89 | 100 | 101 | 108 | 109 | 110 | 111 |
112 | ) : ( 113 |
114 | 115 |

Hello, {(this.props.signedInUser || {}).name}!

116 |

Select a friend to start a chat.

117 | 118 |
119 | )} 120 | 121 | ); 122 | } 123 | } 124 | -------------------------------------------------------------------------------- /react-app/src/components/ErrorModal.js: -------------------------------------------------------------------------------- 1 | import React, { Component } from "react"; 2 | import Glyphicon from "react-bootstrap/lib/Glyphicon"; 3 | import Modal from "react-bootstrap/lib/Modal"; 4 | 5 | /** 6 | * 7 | * Renders a Error modal if app encounter any error. 8 | */ 9 | 10 | export default class ErrorModal extends Component { 11 | state = {}; 12 | render() { 13 | return ( 14 | 15 | 16 | Error 17 | 18 | 19 | 20 |

21 | 22 |

23 |
{this.props.errorMessage}
24 | 25 | 26 | ); 27 | } 28 | } 29 | -------------------------------------------------------------------------------- /react-app/src/components/LoadingModal.js: -------------------------------------------------------------------------------- 1 | import React, { Component } from "react"; 2 | import Glyphicon from "react-bootstrap/lib/Glyphicon"; 3 | import Modal from "react-bootstrap/lib/Modal"; 4 | 5 | /** 6 | * 7 | * Renders a loader modal. 8 | */ 9 | 10 | export default class LoadingModal extends Component { 11 | state = {}; 12 | render() { 13 | return ( 14 | 15 | 16 |

17 | 18 |

19 |
Loading...
20 | 21 | 22 | ); 23 | } 24 | } 25 | -------------------------------------------------------------------------------- /react-app/src/components/NavBar.js: -------------------------------------------------------------------------------- 1 | import React, { Component } from "react"; 2 | import Navbar from "react-bootstrap/lib/Navbar"; 3 | 4 | /** 5 | * 6 | * Renders top navbar and shows the current signed in user. 7 | */ 8 | export default class NavBar extends Component { 9 | state = {}; 10 | render() { 11 | return ( 12 | 13 | 14 | Cool Chat 15 | 16 | 17 | 18 | 19 | Signed in as:  20 | {(this.props.signedInUser || {}).name} 21 | 22 | 23 | 24 | ); 25 | } 26 | } 27 | -------------------------------------------------------------------------------- /react-app/src/components/UserList.js: -------------------------------------------------------------------------------- 1 | import React, { Component } from "react"; 2 | import { ChatList } from "react-chat-elements"; 3 | import FormControl from "react-bootstrap/lib/FormControl"; 4 | import FormGroup from "react-bootstrap/lib/FormGroup"; 5 | 6 | /** 7 | * 8 | * Renders user list 9 | * 10 | * Used on both places Sign-in modal and as ChatList 11 | */ 12 | 13 | export default class UserList extends Component { 14 | state = { 15 | userData: [], 16 | searchQuery: null 17 | }; 18 | componentDidMount() {} 19 | searchInput(e) { 20 | let value = e.target.value; 21 | let searchQuery = null; 22 | if (value) { 23 | searchQuery = value; 24 | } 25 | this.setState({ searchQuery }); 26 | } 27 | /** 28 | * 29 | * Implement filter logic on basis of search query. 30 | */ 31 | getFilteredUserList() { 32 | return !this.state.searchQuery 33 | ? this.props.userData 34 | : this.props.userData.filter(user => 35 | user.name.toLowerCase().includes(this.state.searchQuery.toLowerCase()) 36 | ); 37 | } 38 | render() { 39 | let users = this.getFilteredUserList(); 40 | return ( 41 |
42 | 43 | 48 | 49 | {users.length ? ( 50 | { 53 | let date = null; 54 | let subtitle = ""; 55 | if ( 56 | !this.props.showSignInList && 57 | f.messages && 58 | f.messages.length 59 | ) { 60 | let lastMessage = f.messages[f.messages.length - 1]; 61 | date = new Date(lastMessage.timeStamp); 62 | subtitle = 63 | (lastMessage.position === "right" ? "You: " : f.name + ": ") + 64 | lastMessage.text; 65 | } 66 | return { 67 | avatar: require(`../static/images/avatar/${f.id}.jpg`), 68 | alt: f.name, 69 | title: f.name, 70 | subtitle: subtitle, 71 | date: date, 72 | unread: f.unread, 73 | user: f 74 | }; 75 | })} 76 | onClick={ 77 | !this.props.showSignInList 78 | ? this.props.onChatClicked 79 | : this.props.onUserClicked 80 | } 81 | /> 82 | ) : ( 83 |
No users to show.
84 | )} 85 |
86 | ); 87 | } 88 | } 89 | -------------------------------------------------------------------------------- /react-app/src/dummy-users-for-jest.js: -------------------------------------------------------------------------------- 1 | module.exports = [ 2 | { 3 | id: 1, 4 | name: 'Alexa' 5 | }, 6 | { 7 | id: 2, 8 | name: 'Google Assistant' 9 | } 10 | ] -------------------------------------------------------------------------------- /react-app/src/index.css: -------------------------------------------------------------------------------- 1 | .navBarText { 2 | margin-left: 10px !important; 3 | font-size: 17px; 4 | margin-top: 13px; 5 | } 6 | .chat-list { 7 | height: 74vh; 8 | background-color: white; 9 | } 10 | .message-list { 11 | height: 68vh; 12 | border-left: 2px solid #f4f4f4; 13 | border-right: 2px solid #f4f4f4; 14 | } 15 | .user-list { 16 | height: 300px; 17 | overflow-y: scroll; 18 | } 19 | .message { 20 | margin-top: 10px; 21 | } 22 | .rce-mbox-text { 23 | padding: 3px; 24 | } 25 | .rce-mbox { 26 | background-color: antiquewhite !important; 27 | } 28 | .rce-mbox-right-notch { 29 | fill: aliceblue !important; 30 | } 31 | .rce-mbox-left-notch { 32 | fill: antiquewhite !important; 33 | } 34 | .rce-mbox-right { 35 | background-color: aliceblue !important; 36 | } 37 | body { 38 | background-color: #e6e6e6; 39 | } 40 | .form-group{ 41 | border: 2px solid #f4f4f4; 42 | } -------------------------------------------------------------------------------- /react-app/src/index.js: -------------------------------------------------------------------------------- 1 | import React from 'react'; 2 | import ReactDOM from 'react-dom'; 3 | import './index.css'; 4 | import App from './App'; 5 | import * as serviceWorker from './serviceWorker'; 6 | 7 | ReactDOM.render(, document.getElementById('root')); 8 | 9 | // If you want your app to work offline and load faster, you can change 10 | // unregister() to register() below. Note this comes with some pitfalls. 11 | // Learn more about service workers: http://bit.ly/CRA-PWA 12 | serviceWorker.unregister(); 13 | -------------------------------------------------------------------------------- /react-app/src/logo.svg: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | -------------------------------------------------------------------------------- /react-app/src/requests.js: -------------------------------------------------------------------------------- 1 | import axios from 'axios'; 2 | 3 | const API_ROOT = process.env.REACT_APP_SERVER_URI 4 | 5 | axios.defaults.baseURL = API_ROOT; 6 | 7 | export const fetchUsers = () => { 8 | return axios.get(`/users`) 9 | .then(res => res.data.data) 10 | } -------------------------------------------------------------------------------- /react-app/src/serviceWorker.js: -------------------------------------------------------------------------------- 1 | // This optional code is used to register a service worker. 2 | // register() is not called by default. 3 | 4 | // This lets the app load faster on subsequent visits in production, and gives 5 | // it offline capabilities. However, it also means that developers (and users) 6 | // will only see deployed updates on subsequent visits to a page, after all the 7 | // existing tabs open on the page have been closed, since previously cached 8 | // resources are updated in the background. 9 | 10 | // To learn more about the benefits of this model and instructions on how to 11 | // opt-in, read http://bit.ly/CRA-PWA 12 | 13 | const isLocalhost = Boolean( 14 | window.location.hostname === 'localhost' || 15 | // [::1] is the IPv6 localhost address. 16 | window.location.hostname === '[::1]' || 17 | // 127.0.0.1/8 is considered localhost for IPv4. 18 | window.location.hostname.match( 19 | /^127(?:\.(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)){3}$/ 20 | ) 21 | ); 22 | 23 | export function register(config) { 24 | if (process.env.NODE_ENV === 'production' && 'serviceWorker' in navigator) { 25 | // The URL constructor is available in all browsers that support SW. 26 | const publicUrl = new URL(process.env.PUBLIC_URL, window.location.href); 27 | if (publicUrl.origin !== window.location.origin) { 28 | // Our service worker won't work if PUBLIC_URL is on a different origin 29 | // from what our page is served on. This might happen if a CDN is used to 30 | // serve assets; see https://github.com/facebook/create-react-app/issues/2374 31 | return; 32 | } 33 | 34 | window.addEventListener('load', () => { 35 | const swUrl = `${process.env.PUBLIC_URL}/service-worker.js`; 36 | 37 | if (isLocalhost) { 38 | // This is running on localhost. Let's check if a service worker still exists or not. 39 | checkValidServiceWorker(swUrl, config); 40 | 41 | // Add some additional logging to localhost, pointing developers to the 42 | // service worker/PWA documentation. 43 | navigator.serviceWorker.ready.then(() => { 44 | console.log( 45 | 'This web app is being served cache-first by a service ' + 46 | 'worker. To learn more, visit http://bit.ly/CRA-PWA' 47 | ); 48 | }); 49 | } else { 50 | // Is not localhost. Just register service worker 51 | registerValidSW(swUrl, config); 52 | } 53 | }); 54 | } 55 | } 56 | 57 | function registerValidSW(swUrl, config) { 58 | navigator.serviceWorker 59 | .register(swUrl) 60 | .then(registration => { 61 | registration.onupdatefound = () => { 62 | const installingWorker = registration.installing; 63 | if (installingWorker == null) { 64 | return; 65 | } 66 | installingWorker.onstatechange = () => { 67 | if (installingWorker.state === 'installed') { 68 | if (navigator.serviceWorker.controller) { 69 | // At this point, the updated precached content has been fetched, 70 | // but the previous service worker will still serve the older 71 | // content until all client tabs are closed. 72 | console.log( 73 | 'New content is available and will be used when all ' + 74 | 'tabs for this page are closed. See http://bit.ly/CRA-PWA.' 75 | ); 76 | 77 | // Execute callback 78 | if (config && config.onUpdate) { 79 | config.onUpdate(registration); 80 | } 81 | } else { 82 | // At this point, everything has been precached. 83 | // It's the perfect time to display a 84 | // "Content is cached for offline use." message. 85 | console.log('Content is cached for offline use.'); 86 | 87 | // Execute callback 88 | if (config && config.onSuccess) { 89 | config.onSuccess(registration); 90 | } 91 | } 92 | } 93 | }; 94 | }; 95 | }) 96 | .catch(error => { 97 | console.error('Error during service worker registration:', error); 98 | }); 99 | } 100 | 101 | function checkValidServiceWorker(swUrl, config) { 102 | // Check if the service worker can be found. If it can't reload the page. 103 | fetch(swUrl) 104 | .then(response => { 105 | // Ensure service worker exists, and that we really are getting a JS file. 106 | const contentType = response.headers.get('content-type'); 107 | if ( 108 | response.status === 404 || 109 | (contentType != null && contentType.indexOf('javascript') === -1) 110 | ) { 111 | // No service worker found. Probably a different app. Reload the page. 112 | navigator.serviceWorker.ready.then(registration => { 113 | registration.unregister().then(() => { 114 | window.location.reload(); 115 | }); 116 | }); 117 | } else { 118 | // Service worker found. Proceed as normal. 119 | registerValidSW(swUrl, config); 120 | } 121 | }) 122 | .catch(() => { 123 | console.log( 124 | 'No internet connection found. App is running in offline mode.' 125 | ); 126 | }); 127 | } 128 | 129 | export function unregister() { 130 | if ('serviceWorker' in navigator) { 131 | navigator.serviceWorker.ready.then(registration => { 132 | registration.unregister(); 133 | }); 134 | } 135 | } 136 | -------------------------------------------------------------------------------- /react-app/src/setupTests.js: -------------------------------------------------------------------------------- 1 | const Enzyme = require('enzyme'); 2 | // this is where we reference the adapter package we installed 3 | // earlier 4 | const EnzymeAdapter = require('enzyme-adapter-react-16'); 5 | // This sets up the adapter to be used by Enzyme 6 | Enzyme.configure({ adapter: new EnzymeAdapter() }); -------------------------------------------------------------------------------- /react-app/src/static/images/avatar/1.jpg: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/stack-guru/ReactChatApp-SocketIo/11d005fa540d996c7c00174b33f8984c90f4c79a/react-app/src/static/images/avatar/1.jpg -------------------------------------------------------------------------------- /react-app/src/static/images/avatar/2.jpg: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/stack-guru/ReactChatApp-SocketIo/11d005fa540d996c7c00174b33f8984c90f4c79a/react-app/src/static/images/avatar/2.jpg -------------------------------------------------------------------------------- /react-app/src/static/images/avatar/3.jpg: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/stack-guru/ReactChatApp-SocketIo/11d005fa540d996c7c00174b33f8984c90f4c79a/react-app/src/static/images/avatar/3.jpg -------------------------------------------------------------------------------- /react-app/src/static/images/avatar/4.jpg: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/stack-guru/ReactChatApp-SocketIo/11d005fa540d996c7c00174b33f8984c90f4c79a/react-app/src/static/images/avatar/4.jpg -------------------------------------------------------------------------------- /react-app/src/static/images/avatar/5.jpg: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/stack-guru/ReactChatApp-SocketIo/11d005fa540d996c7c00174b33f8984c90f4c79a/react-app/src/static/images/avatar/5.jpg -------------------------------------------------------------------------------- /react-app/src/static/images/avatar/6.jpg: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/stack-guru/ReactChatApp-SocketIo/11d005fa540d996c7c00174b33f8984c90f4c79a/react-app/src/static/images/avatar/6.jpg -------------------------------------------------------------------------------- /react-app/src/static/images/avatar/7.jpg: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/stack-guru/ReactChatApp-SocketIo/11d005fa540d996c7c00174b33f8984c90f4c79a/react-app/src/static/images/avatar/7.jpg -------------------------------------------------------------------------------- /react-app/src/static/images/avatar/8.jpg: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/stack-guru/ReactChatApp-SocketIo/11d005fa540d996c7c00174b33f8984c90f4c79a/react-app/src/static/images/avatar/8.jpg -------------------------------------------------------------------------------- /screenshot.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/stack-guru/ReactChatApp-SocketIo/11d005fa540d996c7c00174b33f8984c90f4c79a/screenshot.png --------------------------------------------------------------------------------