SovBundle/Builder/User/UserBuilder.php

<?php

namespace Lc\SovBundle\Builder\User;

use Doctrine\ORM\EntityManagerInterface;
use Lc\SovBundle\Model\Newsletter\NewsletterInterface;
use Lc\SovBundle\Model\User\UserInterface;

class UserBuilder
{
    protected EntityManagerInterface $entityManager;

    public function __construct(EntityManagerInterface $entityManager)
    {
        $this->entityManager = $entityManager;
    }

    public function setNewsletter(UserInterface $user, NewsletterInterface $newsletter, bool $subscribeNewsletter)
    {
        if ($subscribeNewsletter) {
            $user->addNewsletter($newsletter);
        } else {
            $user->removeNewsletter($newsletter);
        }
        
        $this->entityManager->persist($user);
        $this->entityManager->flush();
    }
}