<?php

/**
 * Chill is a software for social workers
 *
 * For the full copyright and license information, please view
 * the LICENSE file that was distributed with this source code.
 */

declare(strict_types=1);

namespace Chill\TaskBundle\Workflow\Event;

use Chill\TaskBundle\Security\Authorization\TaskVoter;
use Symfony\Component\EventDispatcher\EventSubscriberInterface;
use Symfony\Component\Security\Core\Authorization\AuthorizationCheckerInterface;
use Symfony\Component\Workflow\Event\GuardEvent;

class DefaultTaskGuardEvent implements EventSubscriberInterface
{
    /**
     * @var AuthorizationCheckerInterface
     */
    protected $authorizationChecker;

    public function __construct(AuthorizationCheckerInterface $authorizationChecker)
    {
        $this->authorizationChecker = $authorizationChecker;
    }

    public function checkACL(GuardEvent $event)
    {
        if (
            false === $this->authorizationChecker->isGranted(
                TaskVoter::UPDATE,
                $event->getSubject()
            )
        ) {
            $event->setBlocked(true);
        }
    }

    public static function getSubscribedEvents(): array
    {
        return [
            'workflow.task_default.guard' => [
                'checkACL',
            ],
        ];
    }
}