How to send an apns notification or message to a specific user in the same channel using LRedis in laravel 5.4 and socket.io in nodejs?

Question

I am creating a chat application in Laravel 5.4 using socket.io on the client side, also sending an APNS notification to the target user.

By doing this, when the user sends a message to the target user that sending the message more than once means that it depends on the number of connections connected to the node socket.io server, which I think means that my channel ("messages") is a message for the connected number of clients, so that it shows more than once on the receiver side. Here is my sender side (Laravel):

    $redis = LRedis::connection();
        $data = [
            'message' => $msg,
            'user' => $auth,
            'music'=>$music,
            'target_user'=>$target_user
            ];
 $redis->publish('message', json_encode($data));

In socket.js:

var app = require('express')();
var server = require('http').Server(app);
var io = require('socket.io')(server);
var redis = require('redis');
var apn = require('apn');
var request = require('request');
var auth_user_id = null;
var mysql = require('mysql');

var con = mysql.createConnection({
  host: "localhost",
  user: "root",
  password: "",
  database: "database"
});

con.connect(function(err) {
  if (err) throw err;
  console.log("Database Connected!");
});
var options = {
    token: {
        key: "app-keys/APNsAuthKey_U3QV9H86BR.p8",
        keyId: "keyId",
        teamId: "teamid",
        cert: "app-keys/musicChatAppDevelopment.pem",
    },
    development: true,
    production: false,
};
var apnProvider = new apn.Provider(options); 
server.listen(8890);
io.on('connection', (socket) => {
    var auth_user_id = socket.handshake.query.auth_user_id; 
    console.log("client connected");
    console.log("Client Socket id--"+socket.id+"-----User Id----"+auth_user_id);
    var redisClient = redis.createClient();
    redisClient.subscribe('message');   
        if(auth_user_id>0) {
            var sql = "UPDATE users SET socket_id ='"+socket.id+"' WHERE id ="+auth_user_id;
                con.query(sql, function (err, result) {
                    if (err) throw err;
                    console.log(result.affectedRows + " record(s) updated");
                });
        }
    redisClient.on('message', (channel, data) => {
        console.log(channel);
            let data_= JSON.parse(data);
            let message_ = data_.message;
            let deviceToken = data_.target_user['ios_token'];
            if(data_.user['id']!=data_.target_user['id']) {
            console.log(data_.target_user['ios_token']);
            var note = new apn.Notification();
            note.expiry = Math.floor(Date.now() / 1000) + 3600; // Expires 1 hour from now. 
            note.badge = 0;
            note.sound = "ping.aiff";
            note.alert = {
                "title" : data_.user['first_name'],
                "body" :  message_,
                };
            note.payload =  { "aps" : {
                                "alert" : {
                                "title" : data_.user['first_name'],
                                "body" :  message_
                                } 
                             }
                    }
            note.topic = "com.charpixel.hellodemo";
            console.log(note);
            let socketId = data_.target_user['socket_id'];
                apnProvider.send(note, deviceToken).then( (result) => {
                    console.log(JSON.stringify(result)); 
                });    
                console.log("Target User Socket id "+data_.target_user['socket_id']);
                socket.broadcast(data_.target_user['socket_id']).emit(channel, data);
                io.to(socketId).emit(channel,data);

        }

    });
    socket.on('disconnect', () => {
        redisClient.quit();
    });  
});

In index.blade.php:

var ip = '<?php echo config('app.current_ip'); ?>:8890?auth_user_id='+JSON.parse(user_id)['id'];
    console.log("Curent_URL"+ip);
    var socket = io.connect(ip);
    socket.on('message', function (data) {
});

Also receiving apns notifications several times in my iOS app.

Answer 1

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• redisClient.on('message') 3 .
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, . . stackoverflow . redis, reddis .