PreferenceBasedNotification

PreferenceBasedNotification.php

<?php

namespace App\Notifications;

use Illuminate\Bus\Queueable;
use Illuminate\Notifications\Notification;

abstract class PreferenceBasedNotification extends Notification
{
    use Queueable;

    /**
     * Get the notification's delivery channels.
     *
     * @param mixed $notifiable
     * @return array
     */

    final public function via($notifiable)
    {
        $viaChannels = [];
        $preference = $this->getPreference($notifiable->user_id);

        if (!$preference || $preference->receive_email) {
            $viaChannels[] = 'mail';
        }
        if (!$preference || $preference->receive_notification) {
            $viaChannels[] = 'broadcast';
        }

        return $viaChannels;
    }

    final private function getPreference($userId)
    {
        $currentClass = \Arr::last(explode('\\', get_class($this)));
        $event = \DB::table('notification_events')
            ->where('notification_class', $currentClass)->first();

        if (!$event) {
            return null;
        }

        return DB::table('user_notification_preferences')
            ->where('user_id', $userId)
            ->where('notification_event_id', $event->id)
            ->first();
    }

    abstract public function toMail($notifiable);

    abstract public function toBroadcast($notifiable);

    abstract public function getDependentNetworkID();
}