LcShopBundle/ShopBundle/Controller/ApiController.php

<?php

namespace Lc\ShopBundle\Controller;

use Doctrine\ORM\EntityManager;
use Doctrine\ORM\EntityManagerInterface;
use Lc\ShopBundle\Context\ProductInterface;
use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
use Symfony\Component\HttpFoundation\JsonResponse;
use Symfony\Component\Security\Core\Security;

class ApiController extends AbstractController
{
        protected $security;
        protected $userManager;
        protected $em ;
        protected $utils ;

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

        public function getEntity($entity, $id)
        {
                if($entity == 'product'){
                        $repo = $this->em->getRepository(ProductInterface::class);
                        $data = $repo->find($id);
                        $data= array(
                                'id' => $data->getId(),
                                'title' => $data->getTitleInherited(),
                                'price' => $data->getPriceInherited(),
                                'unit' => $data->getUnitInherited(),
                                'availableQuantity' => $data->getAvailableQuantityInherited(),
                                'taxRate' => $data->getTaxRateInherited(),
                        );
                }

                return new JsonResponse($data);
        }

}