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| 1 | +<?php |
| 2 | + |
| 3 | +declare(strict_types=1); |
| 4 | + |
| 5 | +namespace BEAR\QueryRepository; |
| 6 | + |
| 7 | +use BEAR\Resource\ResourceObject; |
| 8 | +use Ray\Aop\MethodInterceptor; |
| 9 | +use Ray\Aop\MethodInvocation; |
| 10 | +use Throwable; |
| 11 | + |
| 12 | +use function assert; |
| 13 | +use function get_class; |
| 14 | +use function sprintf; |
| 15 | +use function trigger_error; |
| 16 | + |
| 17 | +use const E_USER_WARNING; |
| 18 | + |
| 19 | +abstract class AbstractDonutCacheInterceptor implements MethodInterceptor |
| 20 | +{ |
| 21 | + protected const IS_ENTIRE_CONTENT_CACHEABLE = false; |
| 22 | + |
| 23 | + /** @var DonutRepositoryInterface */ |
| 24 | + private $donutRepository; |
| 25 | + |
| 26 | + public function __construct(DonutRepositoryInterface $donutRepository) |
| 27 | + { |
| 28 | + $this->donutRepository = $donutRepository; |
| 29 | + } |
| 30 | + |
| 31 | + /** |
| 32 | + * {@inheritdoc} |
| 33 | + */ |
| 34 | + final public function invoke(MethodInvocation $invocation) |
| 35 | + { |
| 36 | + $ro = $invocation->getThis(); |
| 37 | + assert($ro instanceof ResourceObject); |
| 38 | + try { |
| 39 | + $maybeRo = $this->donutRepository->get($ro); |
| 40 | + if ($maybeRo instanceof ResourceObject) { |
| 41 | + return $maybeRo; |
| 42 | + } |
| 43 | + } catch (Throwable $e) { // @codeCoverageIgnoreStart |
| 44 | + // when cache server is down |
| 45 | + $this->triggerWarning($e); |
| 46 | + |
| 47 | + return $invocation->proceed(); // @codeCoverageIgnoreStartEnd |
| 48 | + } |
| 49 | + |
| 50 | + /** @var ResourceObject $ro */ |
| 51 | + $ro = $invocation->proceed(); |
| 52 | + if (isset($ro->headers[Header::ETAG])) { |
| 53 | + return $ro; // donut created in ResourceObject |
| 54 | + } |
| 55 | + |
| 56 | + return static::IS_ENTIRE_CONTENT_CACHEABLE ? |
| 57 | + $this->donutRepository->putStatic($ro, null, null) : |
| 58 | + $this->donutRepository->putDonut($ro, null); |
| 59 | + } |
| 60 | + |
| 61 | + /** |
| 62 | + * @codeCoverageIgnore |
| 63 | + */ |
| 64 | + private function triggerWarning(Throwable $e): void |
| 65 | + { |
| 66 | + trigger_error(sprintf('%s: %s in %s:%s', get_class($e), $e->getMessage(), $e->getFile(), $e->getLine()), E_USER_WARNING); |
| 67 | + } |
| 68 | +} |
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