Laravel push notification job based on modified version of https://github.com/davibennun/laravel-push-notification package

PushNotification.php

<?php

namespace App\Jobs;

use App\Contracts\PushNotification as Pusher;
use Illuminate\Contracts\Queue\ShouldQueue;
use Illuminate\Queue\InteractsWithQueue;
use Illuminate\Queue\SerializesModels;
use Sly\NotificationPusher\Collection\DeviceCollection;
use Sly\NotificationPusher\Model\Device;
use Sly\NotificationPusher\Model\Message;

class PushNotification extends Job implements ShouldQueue
{
    use InteractsWithQueue, SerializesModels;

    /**
     * @var string
     */
    protected $type;

    /**
     * @var mixed
     */
    protected $devices;

    /**
     * @var mixed
     */
    protected $message;

    /**
     * Create a new job instance.
     *
     * @return void
     */
    public function __construct($type, $devices, $message)
    {
        $this->type = $type;
        $this->devices = $devices;
        $this->message = $message;
    }

    /**
     * Execute the job.
     *
     * @return void
     */
    public function handle(Pusher $pushNotification)
    {
        $pushNotification->make($this->type)
            ->to($this->getDevices())
            ->send($this->getMessage());

        return $pushNotification;
    }

    /**
     * Get all devices need to send the push notification.
     *
     * @return mixed
     */
    protected function getDevices()
    {
        if ($this->devices instanceof Device || $this->devices instanceof DeviceCollection) {
            return $this->devices;
        }

        if (is_array($this->devices)) {
            $devices = [];

            foreach ($this->devices as $key => $value) {
                if (is_array($value)) {
                    $devices[] = new Device($key, $value);
                } else {
                    $devices[] = new Device(strval($value));
                }
            }

            return new DeviceCollection($devices);
        }

        return strval($this->devices);
    }

    /**
     * Get the push notification message.
     *
     * @return string|\Sly\NotificationPusher\Model\Message
     */
    protected function getMessage()
    {
        if ($this->message instanceof Message) {
            return $this->message;
        }

        if (is_array($this->message)) {
            list($message, $data) = $this->message;
            return new Message($message, $data);
        }

        return strval($this->message);
    }
}