Realtime App Using Laravel +Redis + NodeJs + AngularJS

Realtime App Using Laravel +Redis + NodeJs + AngularJS

  • 2016-08-09
  • 2603

We can combine Laravel,NodeJS,AngularJS and Redis to create an amazing product . For this tutorial i hope you know basics of angularjs , laravel and dont worry about redis , nodejs i will cover that in detail . Below are our steps for User Management Panel .

  • Laravel Installation and Configuration
  • Setting up NodeJS and Redis Server
  • Wrapping up with AngularJS
  • Final Step

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Laravel Installation and Configuration

Install a fresh copy of laravel and configure your database . I am using mysql as my database and redis to publish/subscribe events .
Now lets create a listener which listens to our update user event . Create a new folder inside app and name it KodeInfo , create one more folder inside app/KodeInfo and name it Handlers 
Add this to autoload classmap as below and run php artisan dump-autoload

php artisan dump-autoload

Now create a new class inside our app/KodeInfo and name it UserUpdatedEventHandler

namespace KodeInfo\Handlers;
use Redis;
use Response;
class UserUpdatedEventHandler {
    CONST EVENT = 'users.update';
    CONST CHANNEL = 'users.update';
    public function handle($data)
        $redis = Redis::connection();
        $redis->publish(self::CHANNEL, $data);

We will create a listeners.php in app folder and will listen for event users.update . whenever users.update it will execute handle method of UserUpdatedEventHandler class which will publish our data to users.update channel . So that means we have to listen for our event users.update in  our angularjs code and act accordingly .


Event::listen(\KodeInfo\Handlers\UserUpdatedEventHandler::EVENT, '\KodeInfo\Handlers\UserUpdatedEventHandler');

Our UsersController will handle request from angularjs


class UsersController extends BaseController {
    public function index(){
        return View::make('index',['rows'=>User::all(),'window'=>new \KodeInfo\JSHelper]);
    public function addUser(){
        $user=new User();
        $user->name = Input::get('name');
        $user->email = Input::get('email');
        Event::fire(\KodeInfo\Handlers\UserUpdatedEventHandler::EVENT, array(User::all()));
    public function updateUser(){
        $user->name = Input::get('name');
        $user->email = Input::get('email');
        Event::fire(\KodeInfo\Handlers\UserUpdatedEventHandler::EVENT, array(User::all()));
    public function deleteUser($user_id){
        Event::fire(\KodeInfo\Handlers\UserUpdatedEventHandler::EVENT, array(User::all()));
    public function all(){
        return Response::json(User::all());

We are using same view files which we have used in our previous tutorial Laravel Admin Panel . So we are using Adminlte with following directory structure

I wont be putting all views here so please have a look at views on github . We will get back to our app and work on nodejs,redis,angularjs . Below is our index.blade.php

<!DOCTYPE html>
    <meta charset="UTF-8">
    <title>Laravel Realtime App</title>
    <meta content='width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no' name='viewport'>
    <!--[if lt IE 9]>
        window.extras = window.extras || {{$window}};
    <base href="/"></base>
<body class="skin-blue" ng-app="DemoApp">
<!-- header logo: style can be found in header.less -->
<div class="wrapper row-offcanvas row-offcanvas-left">
    <!-- Left side column. contains the logo and sidebar -->
    <!-- Right side column. Contains the navbar and content of the page -->
    <aside class="right-side">
        <div class="col-md-12">
            <div ng-view></div>
    <!-- /.right-side -->
<!-- ./wrapper -->
<!--Template Plugins-->
<!--Controllers and Services-->

In the above code we are getting some variables to angularjs so that it will be helpful . We can send csrf_token with each post request to be safe from csrf attach and so on . We are using KodeInfo/JSHelper to do so

        window.extras = window.extras || {{$window}};

We have defined a ng-view in which our list will load and have some angular scripts . Here the main part in below which we will get back soon after covering nodejs . I have seen many people get strucked in this step of how to load


We have also using library to easily use inside angularjs .

Setting up NodeJS and Redis Server

I was using windows at the time of writing this post so i have downloaded win64 executable from this link . It is also included with the source code .
Now download and install nodejs from nodejs website and windows users make sure you have set the path for nodejs installation folder [mine was C:\Program Files\nodejs]  . Now start command prompt/terminal and navigate to your laravel project/public directory , create a new folder nodejs and navigate to nodejs from cmd/terminal , now lets install our dependencies using below command .

npm install express redis

Now create a new file inside public/nodejs and name it server.js

var express =   require('express'),
    http =      require('http'),
    server =    http.createServer(app);
var app = express();
const redis =   require('redis');
const io =      require('');
const client =  redis.createClient();
server.listen(3000, 'localhost');
io.listen(server).on('connection', function(client) {
    const redisClient = redis.createClient();
    console.log("Redis server running.....");
    redisClient.on("message", function(channel, message) {
        client.emit(channel, message);
    client.on('disconnect', function() {

In the above code our nodejs is listening on port 3000 . 
we have created a new redis client

const redisClient = redis.createClient();

and subscribed to users.update event

    console.log("Redis server running.....");
    redisClient.on("message", function(channel, message) {
        client.emit(channel, message);

Once the event is fired we will send message to all subscribers to that channel .
Now go back to our index.blade.php do you remember what i told about script . 
make sure the port which are we are using in server.js is same here .

​Wrapping up with AngularJS

Our angularjs directory structure is below

In our app.js i have defined one route so you can expand it and do not have to declare routeprovider.

    function($routeProvider) {
            when('/', {
                templateUrl: '/partials/users/index.html',
                controller: 'UsersController'
                redirectTo: '/'

We have defined socket factory

app.factory('socket', function ($rootScope) {
    var socket = io.connect('');
    return {
        on: function (eventName, callback) {
            socket.on(eventName, function () {
                var args = arguments;
                $rootScope.$apply(function () {
                    callback.apply(socket, args);
        emit: function (eventName, data, callback) {
            socket.emit(eventName, data, function () {
                var args = arguments;
                $rootScope.$apply(function () {
                    if (callback) {
                        callback.apply(socket, args);

Our userscontroller is basic it will load all users at startup and have methods to create , update or delete user . In our userscontroller we have listening for users.update event and get the new users set .

Final Step

Our final step is to run our redis server with admin rights , run our server.js using node which can be done like below in terminal / cmd

node server.js

I have also created a migration make sure to run

php artisan migrate

You can also monitor redis request using redis-cli monitor
Now navigate to / route and you will see all users


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