liwo_socket/index.js

const app = require('express')();
const bodyParser = require('body-parser');
const server = require('http').createServer(app);
const io = require('socket.io')(server, {
    cors: {
        origin: "http://127.0.0.1:3000",
        methods: ["GET", "POST"],
      }
});
const redisAdapter = require('socket.io-redis');
const axios = require('axios');

//setup redis
io.adapter(redisAdapter({host: '127.0.0.1', port: 6379, password: 'root'}));

// parse application/x-www-form-urlencoded
app.use(bodyParser.urlencoded({ extended: false }));

// parse application/json
app.use(bodyParser.json());

// server main route
app.get('/', (req, res) => {
    res.sendFile(__dirname + '/static/index.html');
});

io.on('connection', async (socket) => {


    const auth = socket.handshake.query.auth;
    const business = socket.handshake.query.business;
    const AuthStr = 'Bearer '.concat(auth);
    console.log('user conencted : ', auth);
    if (auth !== undefined) {
        axios
            .get('http://127.0.0.1:80/user/v1/businesses/'+business, {
                headers: { Authorization: AuthStr }
            })
            .then((res) => {
                // console.log(res.data)
                if (res.status === 200) {
                    console.log('user joined to,', 'room-'+business);
                    socket.join('room-'+business);
                }
            })
            .catch((error) => {
                console.error(error)
            })
    }

});


// app.get('/:room/:event', function (req, res) {
//         console.log(req.query);
//     // io.to(req.params.room).emit(req.params.event, req.params.message);
//     res.send('done');
// });

app.post('/emit/:room', function (req, res) {
    // console.log(req.body);
    console.log('room is :','room-' + req.params.room);
    console.log('message',req.body.data);
    io.to('room-' + req.params.room).emit('room-event', req.body.data);
    // console.log(req.body.data);
    // res.json(req.body.data)
    res.send('done');
});

server.listen(3030, () => {
    console.log('listening on *:3030');
});