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<?php |
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declare(strict_types=1); |
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namespace BEAR\QueryRepository; |
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use BEAR\QueryRepository\Exception\LogicException; |
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use BEAR\QueryRepository\Exception\RuntimeException; |
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use BEAR\Resource\ResourceObject; |
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use Ray\Aop\MethodInterceptor; |
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use Ray\Aop\MethodInvocation; |
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use Throwable; |
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use function assert; |
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use function get_class; |
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use function sprintf; |
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use function trigger_error; |
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use const E_USER_WARNING; |
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class CacheInterceptor implements MethodInterceptor |
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{ |
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/** @var QueryRepositoryInterface */ |
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private $repository; |
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public function __construct( |
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QueryRepositoryInterface $repository |
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) { |
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$this->repository = $repository; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function invoke(MethodInvocation $invocation) |
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{ |
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$ro = $invocation->getThis(); |
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assert($ro instanceof ResourceObject); |
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try { |
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$stored = $this->repository->get($ro->uri); |
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} catch (LogicException $e) { |
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throw $e; |
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} catch (Throwable $e) { |
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$this->triggerWarning($e); |
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return $invocation->proceed(); |
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} |
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if ($stored) { |
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[$ro->uri, $ro->code, $ro->headers, $ro->body, $ro->view] = $stored; |
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return $ro; |
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} |
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/** @psalm-suppress MixedAssignment */ |
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$ro = $invocation->proceed(); |
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assert($ro instanceof ResourceObject); |
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try { |
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$ro->code === 200 ? $this->repository->put($ro) : $this->repository->purge($ro->uri); |
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} catch (LogicException $e) { |
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throw $e; |
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} catch (Throwable $e) { |
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$this->triggerWarning($e); |
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} |
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return $ro; |
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} |
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/** |
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* Trigger warning |
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* |
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* When the cache server is down, it will issue a warning rather than an exception to continue service. |
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*/ |
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private function triggerWarning(Throwable $e): void |
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{ |
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$message = sprintf('%s: %s in %s:%s', get_class($e), $e->getMessage(), $e->getFile(), $e->getLine()); |
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trigger_error($message, E_USER_WARNING); |
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} |
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} |
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bearsunday /
BEAR.QueryRepository
