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) => {
	socket.emit('me', socket.id);
	socket.on('callTo', async ({ to, signalData, from, userId, companionId }) => {
		const { name, lastName, color, avatarUrl, number } =
			await ChatModel.getByField(userId, companionId);
		io.to(to).emit('incomeCall', {
			signal: signalData,
			from,
			name,
			lastName,
			color,
			avatarUrl,
			number,
		});
	});
	socket.on('answerCall', (data) => {
		io.to(data.to).emit('acceptedCall', { signal: data.signal });
	});
});

module.exports = server;