FINAL-PROJECT-BACK-SOCKET/app.js

const express = require('express');
const app = express();
const http = require('http');
const { Server } = require('socket.io');
const ChatModel = require('./model/chat');
const cors = require('cors');
const logger = require('morgan');
const helmet = require('helmet');
const formatsLogger = app.get('env') === 'development' ? 'dev' : 'short';

app.use(helmet());
app.use(logger(formatsLogger));
app.use(cors());

const server = http.createServer(app);

const io = new Server(server, {
	cors: {
		origin: '*',
		methods: ['GET', 'POST'],
	},
});

io.on('connection', (socket) => {
	console.log(socket.id);
	socket.emit('me', socket.id);
	socket.on(
		'call',
		async ({ socketId, signalData, from, userId, companionId }) => {
			const { name, lastName } = await ChatModel.getByField(
				userId,
				companionId
			);
			io.to(socketId).emit('call', {
				signal: signalData,
				from,
				name,
				lastName,
			});
		}
	);
	socket.on('answer', (data) => {
		io.to(data.to).emit('accepted', { signal: data.signal });
	});
});

module.exports = server;