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server.js
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server.js
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const path = require('path');
const http = require('http');
const express = require('express');
const socketio = require('socket.io');
const { Socket } = require('engine.io');
const formatMessage = require('./utils/messages');
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 = 'Admin Voice';
//Run when client connect
io.on('connection', socket => {
socket.on('joinRoom', ({username, room }) =>{
const user = userJoin(socket.id, username, room);
socket.join(user.room);
//welcome user
socket.emit('message', formatMessage(botname, 'Welcome to this chatting app'));
//Broadcast when user connect
socket.broadcast.to(user.room).emit('message', formatMessage(botname,`${user.username} has joined the chat`));
//Send User and room info
io.to(user.room).emit('roomUsers',{
room:user.room,
users: getRoomUsers(user.room)
});
});
//Listen to chatMessage
socket.on('chatMessage', msg =>{
const user = getCurrentUser(socket.id);
io.to(user.room).emit('message', formatMessage(user.username,msg));
});
//Run when user disconnect
socket.on('disconnect', () =>{
const user = userLeave(socket.id);
if(user){
io.to(user.room).emit('message', formatMessage(botname, `${user.username} has existed the chat`));
//Send User and room info
io.to(user.room).emit('roomUsers',{
room:user.room,
users: getRoomUsers(user.room)
});
}
});
});
const PORT = 3000 || process.env.PORT;
server.listen(PORT, () => console.log('Server running on port ${PORT}'));