simen-backend-zf3mw/src/App/Action/Article/DeleteAction.php

<?php

namespace App\Action\Article;

use App\Service\EntityServiceInterface;
use Psr\Http\Message\ResponseInterface;
use Psr\Http\Message\ServerRequestInterface;
use Zend\Diactoros\Response\JsonResponse;

class DeleteAction
{

    /**
     * @var EntityServiceInterface
     */
    private $entityService;

    public function __construct(EntityServiceInterface $entityService)
    {
        $this->entityService = $entityService;
    }

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

        $result = $this->entityService->delete($id);

        $return = new JsonResponse($result);

        if (false === $result) {
            return $return->withStatus(500, 'Failed to delete record.');
        }

        return $return;
    }
}