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<?php |
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namespace hamburgscleanest\GuzzleAdvancedThrottle\Cache\Strategies; |
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use GuzzleHttp\Promise\PromiseInterface; |
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use hamburgscleanest\GuzzleAdvancedThrottle\Cache\Interfaces\CacheStrategy; |
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use hamburgscleanest\GuzzleAdvancedThrottle\Cache\Interfaces\StorageInterface; |
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use Psr\Http\Message\RequestInterface; |
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use Psr\Http\Message\ResponseInterface; |
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/** |
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* Class Cache |
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* @package hamburgscleanest\GuzzleAdvancedThrottle\Cache\Strategies |
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*/ |
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class Cachable implements CacheStrategy |
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{ |
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/** @var StorageInterface */ |
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private $_storage; |
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/** |
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* Cachable constructor. |
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* @param null|StorageInterface $storage |
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*/ |
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public function __construct(StorageInterface $storage = null) |
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{ |
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$this->_storage = $storage; |
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} |
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/** |
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* @param RequestInterface $request |
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* @param callable $handler |
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* @return PromiseInterface |
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*/ |
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public function request(RequestInterface $request, callable $handler) : PromiseInterface |
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{ |
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return $handler()->then(function(ResponseInterface $response) use ($request) |
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$this->_saveResponse($request, $response); |
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return $response; |
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}); |
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} |
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/** |
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* @param RequestInterface $request |
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* @param ResponseInterface $response |
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*/ |
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protected function _saveResponse(RequestInterface $request, ResponseInterface $response) : void |
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{ |
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if ($response->getStatusCode() !== 200) |
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{ |
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return; |
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} |
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$this->_storage->saveResponse($request, $response); |
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} |
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/** |
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* @param RequestInterface $request |
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* @return null|ResponseInterface |
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*/ |
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protected function _getResponse(RequestInterface $request) : ? ResponseInterface |
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{ |
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return $this->_storage->getResponse($request); |
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} |
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} |
hamburgscleanest /
guzzle-advanced-throttle
