<?php
/*
 * Copyright (C) 2018 Julien Fastré <julien.fastre@champs-libres.coop>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
namespace Chill\MainBundle\Security\Authorization;

use Symfony\Component\Security\Core\Authorization\Voter\Voter;
use Symfony\Component\Security\Core\Authentication\Token\TokenInterface;
use Chill\MainBundle\Security\Authorization\AuthorizationHelper;
use Chill\MainBundle\Entity\User;
use Symfony\Component\Security\Core\Role\Role;

/**
 * 
 *
 * @author Julien Fastré <julien.fastre@champs-libres.coop>
 */
class ChillExportVoter extends Voter
{
    const EXPORT = 'chill_export';
    
    /**
     *
     * @var AuthorizationHelper
     */
    protected $authorizationHelper;
    
    public function __construct(AuthorizationHelper $authorizationHelper)
    {
        $this->authorizationHelper = $authorizationHelper;
    }
    
    protected function supports($attribute, $subject): bool
    {
        return $attribute === self::EXPORT;
    }

    protected function voteOnAttribute($attribute, $subject, TokenInterface $token): bool
    {
        if (!$token->getUser() instanceof User) {
            return false;
        }
        
        $centers = $this->authorizationHelper
            ->getReachableCenters($token->getUser(), new Role($attribute));
        
        return count($centers) > 0;
    }
}