CaracoleBundle/Controller/Section/SwitchSectionAdminController.php

<?php

namespace Lc\CaracoleBundle\Controller\Section;

use Doctrine\ORM\EntityManagerInterface;
use Lc\CaracoleBundle\Form\Section\SwitchSectionFormType;
use Lc\CaracoleBundle\Repository\Section\SectionRepository;
use Lc\CaracoleBundle\Resolver\MerchantResolver;
use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
use Symfony\Component\HttpFoundation\Request;

class SwitchSectionAdminController extends AbstractController
{

    public function switchSection(
            Request $request,
            EntityManagerInterface $em,
            MerchantResolver $merchantResolver,
            SectionRepository $sectionRepository
    ) {
        $form = $this->createForm(SwitchSectionFormType::class);
        $form->handleRequest($request);

        if ($form->isSubmitted() && $form->isValid()) {
            $idSection = $form->get('id_section')->getData();
            $section = $sectionRepository->find($idSection);
            $userMerchant = $merchantResolver->getUserMerchant();

            if ($section && $userMerchant) {
                $userMerchant->setCurrentAdminSection($section);
                $em->update($section);
                $em->flush();
            }
        }

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