Todo EVent Subscriber

TodoSubscriber

<?php

namespace App\EventSubscribers;

use App\Entity\Todo;
use Doctrine\Common\EventSubscriber;
use Doctrine\ORM\Events;
use Doctrine\Common\Persistence\Event\LifecycleEventArgs;
use Symfony\Component\Mailer\MailerInterface;
use Symfony\Component\Mime\Email;

class TodoSubscriber implements EventSubscriber {

    /**
     * @var MailerInterface
     */
    private $mailer;

    public function __construct(MailerInterface $mailer)
    {
        $this->mailer = $mailer;
    }

    public function getSubscribedEvents()
    {
        return [
            Events::postPersist,
            Events::postUpdate,
        ];
    }

    public function postUpdate(LifecycleEventArgs $args)
    {
        $this->index($args);
    }

    public function postPersist(LifecycleEventArgs $args)
    {
        $this->index($args);
    }

    public function index(LifecycleEventArgs $args)
    {
        $entity = $args->getObject();

        // perhaps you only want to act on some "Product" entity
        if (!$entity instanceof Todo) {
            // todo send email to assigned user
//            $entityManager = $args->getObjectManager();
           return;
        }
        $mail = new Email();
        $mail
            ->from('mail@example.com')
            ->to($entity->getAssignedTo()->getEmail())
            ->subject('Todo is changed or created')
            ->html(print_r($entity));
        dd($mail);
        $this->mailer->send($mail);
//        dd('Todo is gemaakt of gewijzigd');
    }
}