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efrain |
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<?php
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namespace Kevinrob\GuzzleCache\Strategy\Delegate;
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use Kevinrob\GuzzleCache\Strategy\CacheStrategyInterface;
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use Kevinrob\GuzzleCache\Strategy\NullCacheStrategy;
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use Psr\Http\Message\RequestInterface;
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use Psr\Http\Message\ResponseInterface;
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class DelegatingCacheStrategy implements CacheStrategyInterface
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{
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/**
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* @var array
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*/
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private $requestMatchers = [];
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/**
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* @var CacheStrategyInterface
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*/
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private $defaultCacheStrategy;
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/**
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* DelegatingCacheStrategy constructor.
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*/
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public function __construct(CacheStrategyInterface $defaultCacheStrategy = null)
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{
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$this->defaultCacheStrategy = $defaultCacheStrategy ?: new NullCacheStrategy();
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}
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/**
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* @param CacheStrategyInterface $defaultCacheStrategy
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*/
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public function setDefaultCacheStrategy(CacheStrategyInterface $defaultCacheStrategy)
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{
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$this->defaultCacheStrategy = $defaultCacheStrategy;
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}
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/**
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* @param RequestMatcherInterface $requestMatcher
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* @param CacheStrategyInterface $cacheStrategy
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*/
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final public function registerRequestMatcher(RequestMatcherInterface $requestMatcher, CacheStrategyInterface $cacheStrategy)
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{
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$this->requestMatchers[] = [
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$requestMatcher,
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$cacheStrategy,
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];
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}
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/**
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* @param RequestInterface $request
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* @return CacheStrategyInterface
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*/
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private function getStrategyFor(RequestInterface $request)
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{
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/**
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* @var RequestMatcherInterface $requestMatcher
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* @var CacheStrategyInterface $cacheStrategy
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*/
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foreach ($this->requestMatchers as $requestMatcher) {
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list($requestMatcher, $cacheStrategy) = $requestMatcher;
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if ($requestMatcher->matches($request)) {
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return $cacheStrategy;
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}
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}
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return $this->defaultCacheStrategy;
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}
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/**
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* @inheritDoc
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*/
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public function fetch(RequestInterface $request)
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{
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return $this->getStrategyFor($request)->fetch($request);
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}
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/**
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* @inheritDoc
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*/
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public function cache(RequestInterface $request, ResponseInterface $response)
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{
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return $this->getStrategyFor($request)->cache($request, $response);
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}
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/**
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* @inheritDoc
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*/
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public function update(RequestInterface $request, ResponseInterface $response)
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{
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return $this->getStrategyFor($request)->update($request, $response);
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}
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/**
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* {@inheritdoc}
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*/
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public function delete(RequestInterface $request)
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{
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return $this->getStrategyFor($request)->delete($request);
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}
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}
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