├── README.md ├── index.html ├── package-lock.json ├── package.json ├── server.js └── spec ├── server.spec.js └── support └── jasmine.json /README.md: -------------------------------------------------------------------------------- 1 | # simple-chat 2 | A simple chat application in nodejs and mongodb 3 | 4 | Read 5 | https://medium.com/@amkurian/simple-chat-application-in-node-js-using-express-mongoose-and-socket-io-ee62d94f5804 6 | -------------------------------------------------------------------------------- /index.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | My First Node App 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 |

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27 | 53 | 54 | 55 | -------------------------------------------------------------------------------- /package-lock.json: -------------------------------------------------------------------------------- 1 | { 2 | "name": "demo-chat-app", 3 | "version": "1.0.0", 4 | "lockfileVersion": 1, 5 | "requires": true, 6 | "dependencies": { 7 | "@types/component-emitter": { 8 | "version": "1.2.11", 9 | "resolved": "https://registry.npmjs.org/@types/component-emitter/-/component-emitter-1.2.11.tgz", 10 | "integrity": "sha512-SRXjM+tfsSlA9VuG8hGO2nft2p8zjXCK1VcC6N4NXbBbYbSia9kzCChYQajIjzIqOOOuh5Ock6MmV2oux4jDZQ==" 11 | }, 12 | "@types/cookie": { 13 | "version": "0.4.1", 14 | "resolved": "https://registry.npmjs.org/@types/cookie/-/cookie-0.4.1.tgz", 15 | "integrity": "sha512-XW/Aa8APYr6jSVVA1y/DEIZX0/GMKLEVekNG727R8cs56ahETkRAy/3DR7+fJyh7oUgGwNQaRfXCun0+KbWY7Q==" 16 | }, 17 | "@types/cors": { 18 | "version": "2.8.12", 19 | "resolved": "https://registry.npmjs.org/@types/cors/-/cors-2.8.12.tgz", 20 | 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"assert-plus": "^1.0.0", 1127 | "core-util-is": "1.0.2", 1128 | "extsprintf": "^1.2.0" 1129 | } 1130 | }, 1131 | "wrappy": { 1132 | "version": "1.0.2", 1133 | "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz", 1134 | "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8=", 1135 | "dev": true 1136 | }, 1137 | "ws": { 1138 | "version": "8.2.3", 1139 | "resolved": "https://registry.npmjs.org/ws/-/ws-8.2.3.tgz", 1140 | "integrity": "sha512-wBuoj1BDpC6ZQ1B7DWQBYVLphPWkm8i9Y0/3YdHjHKHiohOJ1ws+3OccDWtH+PoC9DZD5WOTrJvNbWvjS6JWaA==" 1141 | } 1142 | } 1143 | } 1144 | -------------------------------------------------------------------------------- /package.json: -------------------------------------------------------------------------------- 1 | { 2 | "name": "demo-chat-app", 3 | "version": "1.0.0", 4 | "description": "demo chat app", 5 | "main": "index.js", 6 | "scripts": { 7 | "test": "jasmine" 8 | }, 9 | "author": "", 10 | "license": "ISC", 11 | "dependencies": { 12 | "body-parser": "^1.18.3", 13 | "express": "^4.16.3", 14 | "mongoose": "^6.3.3", 15 | "socket.io": "^4.5.0" 16 | }, 17 | "devDependencies": { 18 | "jasmine": "^3.1.0", 19 | "request": "^2.87.0" 20 | } 21 | } 22 | -------------------------------------------------------------------------------- /server.js: -------------------------------------------------------------------------------- 1 | var express = require('express'); 2 | var bodyParser = require('body-parser') 3 | var app = express(); 4 | var http = require('http').Server(app); 5 | var io = require('socket.io')(http); 6 | var mongoose = require('mongoose'); 7 | 8 | app.use(express.static(__dirname)); 9 | app.use(bodyParser.json()); 10 | app.use(bodyParser.urlencoded({extended: false})) 11 | 12 | var Message = mongoose.model('Message',{ 13 | name : String, 14 | message : String 15 | }) 16 | 17 | var dbUrl = 'mongodb://amkurian:amkurian1@ds257981.mlab.com:57981/simple-chat' 18 | 19 | app.get('/messages', (req, res) => { 20 | Message.find({},(err, messages)=> { 21 | res.send(messages); 22 | }) 23 | }) 24 | 25 | 26 | app.get('/messages/:user', (req, res) => { 27 | var user = req.params.user 28 | Message.find({name: user},(err, messages)=> { 29 | res.send(messages); 30 | }) 31 | }) 32 | 33 | 34 | app.post('/messages', async (req, res) => { 35 | try{ 36 | var message = new Message(req.body); 37 | 38 | var savedMessage = await message.save() 39 | console.log('saved'); 40 | 41 | var censored = await Message.findOne({message:'badword'}); 42 | if(censored) 43 | await Message.remove({_id: censored.id}) 44 | else 45 | io.emit('message', req.body); 46 | res.sendStatus(200); 47 | } 48 | catch (error){ 49 | res.sendStatus(500); 50 | return console.log('error',error); 51 | } 52 | finally{ 53 | console.log('Message Posted') 54 | } 55 | 56 | }) 57 | 58 | 59 | 60 | io.on('connection', () =>{ 61 | console.log('a user is connected') 62 | }) 63 | 64 | mongoose.connect(dbUrl ,{useMongoClient : false} ,(err) => { 65 | console.log('mongodb connected',err); 66 | }) 67 | 68 | var server = http.listen(3000, () => { 69 | console.log('server is running on port', server.address().port); 70 | }); 71 | -------------------------------------------------------------------------------- /spec/server.spec.js: -------------------------------------------------------------------------------- 1 | var request = require('request') 2 | 3 | 4 | describe('get messages', () => { 5 | it('should return 200 Ok', (done) => { 6 | request.get('http://localhost:3000/messages', (err, res) => { 7 | expect(res.statusCode).toEqual(200) 8 | done() 9 | }) 10 | }) 11 | it('should return a list, thats not empty', (done) => { 12 | request.get('http://localhost:3000/messages', (err, res) => { 13 | expect(JSON.parse(res.body).length).toBeGreaterThan(0) 14 | done() 15 | }) 16 | }) 17 | }) 18 | 19 | 20 | describe('get messages from particular user', () => { 21 | it('should return 200 Ok', (done) => { 22 | request.get('http://localhost:3000/messages/Arun', (err, res) => { 23 | expect(res.statusCode).toEqual(200) 24 | done() 25 | }) 26 | }) 27 | it('should return the message of the user', (done) => { 28 | request.get('http://localhost:3000/messages/Arun', (err, res) => { 29 | expect(JSON.parse(res.body)[0].name).toEqual('Arun') 30 | done() 31 | }) 32 | }) 33 | }) 34 | -------------------------------------------------------------------------------- /spec/support/jasmine.json: -------------------------------------------------------------------------------- 1 | { 2 | "spec_dir": "spec", 3 | "spec_files": [ 4 | "**/*[sS]pec.js" 5 | ], 6 | "helpers": [ 7 | "helpers/**/*.js" 8 | ], 9 | "stopSpecOnExpectationFailure": false, 10 | "random": true 11 | } 12 | --------------------------------------------------------------------------------