symfony_example_app/src/Service/CachedQRCodeGenerator.php

39 lines
1.1 KiB
PHP

<?php
declare(strict_types=1);
namespace App\Service;
use App\Entity\DTO\QRCode\QRCode;
use Exception;
use Psr\Log\LoggerInterface;
use Symfony\Contracts\Cache\CacheInterface;
use Symfony\Contracts\Cache\ItemInterface;
final readonly class CachedQRCodeGenerator implements QRCodeGeneratorInterface
{
private \DateInterval $cacheDuration;
/**
* @throws Exception
*/
public function __construct(private CacheableQRCodeGeneratorInterface $innerGenerator, private CacheInterface $cache, private LoggerInterface $logger, string $cacheDuration)
{
$this->cacheDuration = new \DateInterval($cacheDuration);
}
public function generateQRCodeFromEntity(QRCode $entity): string
{
$key = $this->innerGenerator->getCacheKey($entity);
return $this->cache->get($key, function(ItemInterface $c) use ($entity) {
$this->logger->debug("cache miss for key " . $c->getKey(), [
'entity' => $entity,
]);
$c->expiresAfter($this->cacheDuration);
return $this->innerGenerator->generateQRCodeFromEntity($entity);
});
}
}