FCM push library

PushLibrary.php

<?php namespace App\Libraries;

use GuzzleHttp\Client;

class PushLibrary {

    protected $users;
    protected $title;
    protected $data;

    public static function factory($title, $data, $users)
    {
        return new PushLibrary($title, $data, $users);
    }

    public function __construct($title, $data, $users)
    {
        $this->title = $title;
        $this->data = $data;
        $this->users = $users;
    }

    public function send()
    {
        $client = new Client();

        $this->data['title'] = $this->title;

        $registration_ids = collect($this->users)->lists('device_token');

        $data = [
            'data' => $this->data->toArray(),
            'registration_ids' =>  $registration_ids,
        ];

        $response = $client->post(config('push.url'), [
            'json' => $data,
            'headers' => [
                'Authorization' => 'key=' . env('FCM_API_KEY'),
                'Content-Type' => 'application/json'
            ],
        ]);

        $response = $response->json();
        if($response['failure']) {
            \Log::error('push_error', $response);
            return false;
        }

        return true;
    }
}