<?php

namespace App\Action\Article;

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

class DeleteAction
{

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

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

    public function __invoke(ServerRequestInterface $request, ResponseInterface $response, callable $next = null)
    {
        $id = $request->getAttribute('id');

        if (null === ($entity = $this->em->find(Article::class, $id))) {
            $ret = new JsonResponse([
                'success' => false
            ]);
            return $ret->withStatus(404);
        }

        try {
            $this->em->remove($entity);
            $this->em->flush();
        } catch (\Exception $ex) {
            $ret = new JsonResponse([
                'success' => false
            ]);
            return $ret->withStatus(500);
        }

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