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server.js
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server.js
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const http = require('http')
const express = require('express')
const socketio = require('socket.io')
const {v4: uuidV4} = require('uuid')
const { addUser, getUserById, removeUser, getUsersInRoom } = require('./src/utils/users')
const { generateMessage } = require('./src/utils/messages')
const app = express()
const server = http.createServer(app)
const io = socketio(server)
const port = process.env.PORT || 3000
app.use(express.urlencoded({extended:true}));
app.use(express.json())
app.set('view engine', 'ejs')
app.use(express.static('public'))
app.get('/', (req, res) => {
res.render('home');
})
app.post('/', (req, res) => {
if(!req.body.room_code) {
res.redirect(`/${uuidV4()}`);
}
else {
const roomId = req.body.room_code;
res.redirect(`/${roomId}`);
}
})
app.get('/:room', (req, res) => {
const roomId = req.params.room
res.render('joinroom', {roomId: roomId});
})
app.post('/:room', (req, res) => {
if(req.body.left) {
res.render('leftpage', {roomId: req.body.roomId, username: req.body.username});
}
else {
const roomId = req.body.roomId;
const username = req.body.username;
const roomname = req.body.roomname;
res.render('room', {roomId : roomId, username: username, roomname: roomname})
}
})
// when client connects
io.on('connection', (socket) => {
console.log('New socket connection')
socket.on('join-room', (roomId, userId, username) => {
const {user} = addUser({userId: userId, socketId: socket.id, roomId: roomId, username: username})
socket.join(user.roomId)
socket.broadcast.to(roomId).emit('user-joined', userId, username)
io.to(roomId).emit('roomData', {
users: getUsersInRoom(roomId)
})
// recieving message from client
socket.on('sendMessage', (msg, callback) => {
socket.broadcast.to(user.roomId).emit('createMessage', generateMessage(msg, username));
callback()
})
socket.on('raise-hand', () => {
io.to(user.roomId).emit('handRaised', username);
})
socket.on('disconnect', () => {
const user = removeUser(socket.id)
socket.broadcast.to(roomId).emit('user-disconnected', userId, username);
io.to(roomId).emit('roomData', {
users: getUsersInRoom(user.roomId)
})
})
})
})
server.listen(port, () => {
console.log(`Server started at ${port}`);
})