LcShopBundle/ShopBundle/Controller/Admin/NewsController.php

<?php

namespace Lc\ShopBundle\Controller\Admin;

use App\Repository\UserRepository;
use Lc\ShopBundle\Context\NewsInterface;
use Lc\ShopBundle\Context\UserInterface;
use Mailjet\MailjetSwiftMailer\SwiftMailer\MailjetTransport;
use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;

class NewsController extends AdminController
{

        public function sendAction()
        {
                $idNews = $this->request->get('id') ;
                $users = $this->em->getRepository($this->em->getClassMetadata(UserInterface::class)->getName())->findBy([
                        'isSubscribedNewsletter' => true
                ]) ;
                $countUsers = count($users) ;
                $messages = [];
                $news = $this->em->getRepository($this->em->getClassMetadata(NewsInterface::class)->getName())->find($idNews) ;
                if($news) {
                        foreach ($users as $user) {
                                $message = new \Swift_Message('[Place du Local] '.$news->getTitle());
                                $message->addTo($user->getEmail())
                                        ->addFrom($this->getParameter('app.noreply_email'), $this->getParameter('app.site_name'))
                                        ->setBody($this->renderView('mail/news.html.twig', [
                                                'message' => $news->getDescription(),
                                                'image' => $news->getImage(),
                                        ]), 'text/html');
                                array_push($messages, $message);
                        }

                        $result = $this->mailjetTransport->bulkSend($messages);

                        if($countUsers > 0) {
                                $this->addFlash('success', 'Actualité envoyée à '.count($users).' utilisateurs.');
                        }
                        else {
                                $this->addFlash('error', 'Aucun utilisateur inscrit à la newsletter.');
                        }
                }
                else {
                        throw new NotFoundHttpException('Actualité introuvable') ;
                }

                return $this->redirectToRoute('easyadmin', ['entity' => 'News', 'action' => 'list']) ;
        }

}