CaracoleBundle/Controller/Merchant/FavoriteMerchantController.php

<?php

namespace Lc\CaracoleBundle\Controller\Merchant;

use Doctrine\ORM\EntityManagerInterface;
use Lc\CaracoleBundle\Container\Merchant\MerchantContainer;
use Lc\CaracoleBundle\Controller\AbstractController;
use Lc\CaracoleBundle\Definition\ActionDefinition;
use Lc\CaracoleBundle\Definition\MerchantSettingDefinition;
use Lc\CaracoleBundle\Form\Merchant\SwitchMerchantFormType;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\Security\Core\Security;
use Symfony\Component\Routing\Annotation\Route;

class FavoriteMerchantController extends AbstractController
{
    /**
     * @Route("/merchant/favorite", name="carac_merchant_favorite")
     */
    public function favoriteMerchant(Request $request, Security $security, EntityManagerInterface $entityManager)
    {
        $form = $this->createForm(SwitchMerchantFormType::class);
        $form->handleRequest($request);

        if ($form->isSubmitted() && $form->isValid()) {
            $merchant = $form->get('merchant')->getData();

            if ($merchant) {

                $user = $security->getUser();
                if($user) {
                    $user->setFavoriteMerchant($merchant);
                    $entityManager->update($user);
                    $entityManager->flush();
                }

                $this->addFlashTranslator('success', ActionDefinition::SWITCH_FAVORITE_MERCHANT, 'Merchant', ['%merchant%' => $merchant->getTitle()]);
            }

        } else {
            $this->addFlashTranslator('error', ActionDefinition::SWITCH_FAVORITE_MERCHANT, 'Merchant');
        }

        return $this->redirect($request->headers->get('referer'));
    }

}