Notify a user to Private channel with Laravel Echo Server + Broadcaster

NotificationServiceProvider.js

'use strict'

/*
* Applicaiton-Nofifier
*
* (c) Vladyslav Gaysyuk <mikield@icloud.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/

const { ServiceProvider } = require('@adonisjs/fold')

class NotificationServiceProvider extends ServiceProvider {
  /**
  * The register method called by ioc container
  * as a life-cycle method
  *
  * @method register
  *
  * @return {void}
  */
  register () {
    const Broadcaster = this.app.use('Broadcaster')
    this.app.bind('Notification', (app) => {
      return class Notify {
        constructor(){
          this.Broadcaster = Broadcaster
          this.Notification = this.Broadcaster.event('notification')
        }

        to(user){
          this.Notification.into('private-user-state.'+user.id)
          return this
        }

        with(data){
          this.Notification.with(data)
          return this
        }

        withError(error){
          this.Notification.with({error})
          return this
        }

        send(){
          this.Notification.broadcast()
        }
      }
    })
  }
}

module.exports = NotificationServiceProvider

Before use

Before using this code please take a look at https://gist.github.com/mikield/45c8997e05b5ab0e71a56009ad955f33
Cause this code uses Broadcaster service.

Subscribe user from client side to private channel, and set it into the code.

For example:

Echo.private('user-state.' + user.id).on('notification', (event) => {
  if(event.error !== undefined){
     alert(event.error)
  }
})

Ho to use?

let user = await User.find(1)
const Notification = use('Notification')
new Notification().to(user).withError('WowSuchError').send()

Or

let user = await User.find(1)
const Notification = use('Notification')
new Notification().to(user).with({message: "Drop the table task is finished").send()