<?php

namespace App\Action\Article;

use App\Action\AbstractFormAction;
use App\Entity\Article;
use App\Hydrator\DoctrineObject;
use Doctrine\ORM\EntityManager;
use Psr\Http\Message\ResponseInterface;
use Psr\Http\Message\ServerRequestInterface;
use Zend\Diactoros\Response\JsonResponse;

class PostAction extends AbstractFormAction
{

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

    /**
     * @var DoctrineObject 
     */
    private $hydrator;

    public function __construct(EntityManager $em, DoctrineObject $hydrator)
    {
        $this->em       = $em;
        $this->hydrator = $hydrator;
    }

    public function __invoke(ServerRequestInterface $request, ResponseInterface $response, callable $next = null)
    {
        $data = $this->getRequestData($request);

        $entity = $this->hydrator->hydrate($data, new Article());
        $this->em->persist($entity);
        $this->em->flush();

        return new JsonResponse([
            'success' => true,
            'result'  => $entity,
        ]);
    }
}