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<?php |
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namespace hamburgscleanest\GuzzleAdvancedThrottle\Cache\Adapters; |
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use DateInterval; |
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use DateTime; |
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use hamburgscleanest\GuzzleAdvancedThrottle\Cache\Helpers\RequestHelper; |
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use hamburgscleanest\GuzzleAdvancedThrottle\Cache\Interfaces\StorageInterface; |
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use hamburgscleanest\GuzzleAdvancedThrottle\RequestInfo; |
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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 ArrayAdapter |
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* @package hamburgscleanest\GuzzleAdvancedThrottle\Cache\Adapters |
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*/ |
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class ArrayAdapter implements StorageInterface |
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{ |
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/** @var string */ |
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private const STORAGE_KEY = 'requests'; |
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/** @var string */ |
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private const RESPONSE_KEY = 'response'; |
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/** @var string */ |
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private const EXPIRATION_KEY = 'expires_at'; |
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/** @var array */ |
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private $_storage = []; |
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/** |
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* @param string $host |
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* @param string $key |
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* @param int $requestCount |
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* @param \DateTime $expiresAt |
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* @param int $remainingSeconds |
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*/ |
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public function save(string $host, string $key, int $requestCount, DateTime $expiresAt, int $remainingSeconds) : void |
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{ |
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$this->_storage[$host][$key] = RequestInfo::create($requestCount, $expiresAt->getTimestamp(), $remainingSeconds); |
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} |
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/** |
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* @param string $host |
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* @param string $key |
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* @return RequestInfo|null |
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*/ |
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public function get(string $host, string $key) : ? RequestInfo |
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{ |
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return $this->_storage[$host][$key] ?? null; |
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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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* @param int $duration |
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* @throws \Exception |
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*/ |
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public function saveResponse(RequestInterface $request, ResponseInterface $response, int $duration = 300) : void |
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{ |
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[$host, $path] = RequestHelper::getHostAndPath($request); |
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$this->_storage[self::STORAGE_KEY][$host][$path] = [ |
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self::RESPONSE_KEY => $response, |
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self::EXPIRATION_KEY => (new DateTime())->add(new DateInterval('PT' . $duration . 'M'))->getTimestamp() |
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]; |
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} |
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/** |
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* @param RequestInterface $request |
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* @return ResponseInterface|null |
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*/ |
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public function getResponse(RequestInterface $request) : ? ResponseInterface |
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{ |
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[$host, $path] = RequestHelper::getHostAndPath($request); |
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$response = $this->_storage[self::STORAGE_KEY][$host][$path] ?? null; |
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if ($response !== null) |
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{ |
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if ($response[self::EXPIRATION_KEY] > \time()) |
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{ |
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return $response[self::RESPONSE_KEY]; |
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} |
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$this->_invalidate($host, $path); |
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} |
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return null; |
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} |
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/** |
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* @param string $host |
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* @param string $path |
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*/ |
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private function _invalidate(string $host, string $path) |
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{ |
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unset($this->_storage[self::STORAGE_KEY][$host][$path]); |
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} |
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} |
hamburgscleanest /
guzzle-advanced-throttle
