AbstractRestController.php

<?php
/**
 * Created by PhpStorm.
 * User: kix
 * Date: 24/02/15
 * Time: 19:34
 */

namespace AppBundle\Controller;

use Symfony\Component\Form\FormFactoryInterface;
use Symfony\Component\HttpFoundation\Request;
use Doctrine\Common\Persistence\ObjectManager;
use Doctrine\ORM\EntityRepository;
use FOS\RestBundle\Controller\FOSRestController;
use Knp\Component\Pager\PaginatorInterface;
use FOS\RestBundle\Controller\Annotations\View;

class AbstractRestController extends FOSRestController
{
    const PER_PAGE = 10;

    /**
     * @var \Symfony\Component\Form\FormFactory
     */
    private $formFactory;

    /**
     * @var ObjectManager
     */
    private $em;

    /**
     * @var EntityRepository
     */
    private $repository;

    /**
     * @var \Knp\Component\Pager\PaginatorInterface
     */
    private $paginator;

    /**
     * @var string
     */
    private $formTypeClass;

    /**
     * @param FormFactoryInterface $formFactory
     * @param ObjectManager $em
     * @param PaginatorInterface $paginator
     */
    public function __construct(FormFactoryInterface $formFactory, ObjectManager $em, PaginatorInterface $paginator)
    {
        $this->formFactory = $formFactory;
        $this->em = $em;
        $this->paginator = $paginator;
    }

    /**
     * @param EntityRepository $repository
     */
    public function setRepository($repository)
    {
        $this->repository = $repository;
    }

    /**
     * @param $formTypeClass string
     */
    public function setFormType($formTypeClass)
    {
        $this->formTypeClass = $formTypeClass;
    }

    /**
     * @View(serializerGroups={"list"})
     *
     * @param Request $request
     * @return mixed
     */
    public function cgetAction(Request $request)
    {
        $qb = $this->repository->createQueryBuilder('c');

        $pagination = $this->paginator->paginate(
            $qb,
            $request->query->get('page', 1),
            self::PER_PAGE
        );

        return $pagination->getItems();
    }

    /**
     * @View(serializerGroups={"show"})
     *
     * @param $id
     * @return null|object
     */
    public function getAction($id)
    {
        return $this->repository->find($id);
    }

    /**
     * @View(serializerGroups={"show"})
     *
     * @param Request $request
     * @return mixed|\Symfony\Component\Form\FormInterface
     */
    public function postAction(Request $request)
    {
        $form = $this->formFactory->create(new $this->formTypeClass());

        $form->submit($request);

        if ($form->isValid()) {
            $object = $form->getData();

            $this->em->persist($object);
            $this->em->flush();

            return $object;
        }

        return $form;
    }

    public function putAction($id, Request $request)
    {
        $category = $this->getAction($id);
        $form = $this->formFactory->create(new $this->formTypeClass(), $category);

        $form->submit($request);

        if ($form->isValid()) {
            $object = $form->getData();

            $this->em->persist($object);
            $this->em->flush();

            return $object;
        }

        return $form;
    }

}

services.yml

services:
  app.category_repository:
    class: Doctrine\ORM\EntityRepository
    factory_service: doctrine
    factory_method: getRepository
    arguments:
      - %wld_app.category.class%

  app.abstract_controller:
    class: %app.abstract_controller.class%
    abstract: true
    arguments:
      - @form.factory
      - @doctrine.orm.entity_manager
      - @knp_paginator

  app.category_controller:
    class: %app.category_controller.class%
    parent: app.abstract_controller
    calls:
     - [ setFormType, [ %app.category_type.class% ] ]
     - [ setRepository, [ @app.category_repository ] ]