<?php

declare(strict_types=1);

/*
 * This file is part of the TYPO3 CMS project.
 *
 * It is free software; you can redistribute it and/or modify it under
 * the terms of the GNU General Public License, either version 2
 * of the License, or any later version.
 *
 * For the full copyright and license information, please read the
 * LICENSE.txt file that was distributed with this source code.
 *
 * The TYPO3 project - inspiring people to share!
 */

namespace TYPO3\CMS\Fluid\ViewHelpers\Security;

use TYPO3\CMS\Core\Context\Context;
use TYPO3\CMS\Core\Utility\GeneralUtility;
use TYPO3Fluid\Fluid\Core\Rendering\RenderingContextInterface;
use TYPO3Fluid\Fluid\Core\ViewHelper\AbstractConditionViewHelper;

/**
 * ViewHelper implementing an ifAuthenticated/else condition for frontend users.
 *
 * ```
 *   <f:security.ifAuthenticated>
 *        <f:then>
 *           This is being shown in case you have access.
 *        </f:then>
 *        <f:else>
 *           This is being displayed in case you do not have access.
 *        </f:else>
 *   </f:security.ifAuthenticated>
 * ```
 *
 * @see https://docs.typo3.org/permalink/t3viewhelper:typo3-fluid-security-ifauthenticated
 */
final class IfAuthenticatedViewHelper extends AbstractConditionViewHelper
{
    public static function verdict(array $arguments, RenderingContextInterface $renderingContext): bool
    {
        return GeneralUtility::makeInstance(Context::class)->getPropertyFromAspect('frontend.user', 'id', 0) > 0;
    }
}