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<?php |
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namespace hamburgscleanest\GuzzleAdvancedThrottle\Cache\Adapters; |
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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\Exceptions\LaravelCacheConfigNotSetException; |
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use hamburgscleanest\GuzzleAdvancedThrottle\RequestInfo; |
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use Illuminate\Cache\CacheManager; |
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use Illuminate\Config\Repository; |
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use Illuminate\Container\Container; |
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use Illuminate\Filesystem\Filesystem; |
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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 LaravelAdapter |
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* @package hamburgscleanest\GuzzleAdvancedThrottle\Cache\Adapters |
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*/ |
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class LaravelAdapter 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 CacheManager */ |
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private $_cacheManager; |
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/** |
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* LaravelAdapter constructor. |
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* @param Repository|null $config |
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* @throws \hamburgscleanest\GuzzleAdvancedThrottle\Exceptions\LaravelCacheConfigNotSetException |
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*/ |
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public function __construct(?Repository $config = null) |
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{ |
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$this->_cacheManager = $this->_getCacheManager($config); |
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} |
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/** |
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* @param Repository|null $config |
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* @return CacheManager |
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* @throws \hamburgscleanest\GuzzleAdvancedThrottle\Exceptions\LaravelCacheConfigNotSetException |
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*/ |
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private function _getCacheManager(Repository $config = null) : CacheManager |
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{ |
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if ($config === null || ($storageConfig = new Repository($config->get('storage'))) === null) |
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throw new LaravelCacheConfigNotSetException(); |
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} |
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$container = $this->_getContainer($storageConfig); |
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$container['config'] = $storageConfig->all(); |
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return new CacheManager($container); |
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} |
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/** |
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* @param Repository $config |
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* @return Container |
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*/ |
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private function _getContainer(Repository $config) : Container |
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{ |
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$container = new Container(); |
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$store = $config->get('cache.stores.file'); |
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if ($store !== null && $store['driver'] === 'file') |
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{ |
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$container['files'] = new Filesystem(); |
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} |
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return $container; |
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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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* @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->_cacheManager->put( |
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$this->_buildKey($host, $key), |
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RequestInfo::create($requestCount, $expiresAt->getTimestamp(), $remainingSeconds), |
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$remainingSeconds / 60 |
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); |
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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 string |
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*/ |
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private function _buildKey(string $host, string $key) : string |
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{ |
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return $host . '.' . $key; |
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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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/** @noinspection PhpIncompatibleReturnTypeInspection */ |
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return $this->_cacheManager->get($this->_buildKey($host, $key)); |
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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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$this->_cacheManager->put($this->_buildResponseKey($host, $path), $response, $duration); |
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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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* @return string |
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*/ |
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private function _buildResponseKey(string $host, string $path) : string |
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{ |
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return self::STORAGE_KEY . '.' . $this->_buildKey($host, $path); |
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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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/** @noinspection PhpIncompatibleReturnTypeInspection */ |
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return $this->_cacheManager->get($this->_buildResponseKey($host, $path)); |
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} |
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} |
hamburgscleanest /
guzzle-advanced-throttle
