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CacheBagRegistry.php
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CacheBagRegistry.php
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<?php
declare(strict_types=1);
/*
* This file is part of the TYPO3 CMS extension "cache_bags".
*
* Copyright (C) 2024 Elias Häußler <e.haeussler@familie-redlich.de>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
namespace CPSIT\Typo3CacheBags\Cache\Bag;
use CPSIT\Typo3CacheBags\Enum\CacheScope;
use CPSIT\Typo3CacheBags\Event\CacheBagRegisteredEvent;
use Psr\EventDispatcher\EventDispatcherInterface;
use TYPO3\CMS\Core\SingletonInterface;
/**
* CacheBagRegistry
*
* @author Elias Häußler <e.haeussler@familie-redlich.de>
* @license GPL-2.0-or-later
*/
final class CacheBagRegistry implements SingletonInterface
{
/**
* @var list<CacheBag>
*/
private array $cacheBags = [];
public function __construct(
private readonly EventDispatcherInterface $eventDispatcher,
) {}
public function add(CacheBag $cacheBag): void
{
$this->cacheBags[] = $cacheBag;
$this->eventDispatcher->dispatch(new CacheBagRegisteredEvent($cacheBag));
}
public function getExpirationDate(CacheScope $scope): ?\DateTimeInterface
{
$expirationDate = null;
foreach ($this->cacheBags as $cacheBag) {
$bagExpirationDate = $cacheBag->getExpirationDate();
if ($cacheBag->getScope() === $scope
&& $bagExpirationDate !== null
&& ($expirationDate === null || $bagExpirationDate->getTimestamp() <= $expirationDate->getTimestamp())
) {
$expirationDate = $bagExpirationDate;
}
}
return $expirationDate;
}
}