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<?php |
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/* |
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* This file is part of php-cache\cache-bundle package. |
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* |
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* (c) 2015 Aaron Scherer <[email protected]>, Tobias Nyholm <[email protected]> |
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* |
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* This source file is subject to the MIT license that is bundled |
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* with this source code in the file LICENSE. |
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*/ |
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namespace Cache\CacheBundle\Routing; |
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use Cache\CacheBundle\KeyNormalizer; |
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use Cache\TagInterop\TaggableCacheItemInterface; |
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use Psr\Cache\CacheItemPoolInterface; |
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use Symfony\Component\Routing\RequestContext; |
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use Symfony\Component\Routing\RouterInterface; |
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/** |
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* @author Tobias Nyholm <[email protected]> |
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*/ |
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class CachingRouter implements RouterInterface |
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{ |
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/** |
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* @type CacheItemPoolInterface |
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*/ |
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private $cache; |
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/** |
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* @type int |
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*/ |
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private $ttl; |
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/** |
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* @type RouterInterface |
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*/ |
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private $router; |
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/** |
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* @param CacheItemPoolInterface $cache |
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* @param RouterInterface $router |
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* @param array $config |
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*/ |
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public function __construct(CacheItemPoolInterface $cache, RouterInterface $router, array $config) |
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{ |
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$this->cache = $cache; |
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$this->ttl = $config['ttl']; |
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$this->router = $router; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function match($pathinfo) |
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{ |
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$cacheItem = $this->getCacheItemMatch($pathinfo); |
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if ($cacheItem->isHit()) { |
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return $cacheItem->get(); |
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} |
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// Get the result form the router |
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$result = $this->router->match($pathinfo); |
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// Save the result |
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$cacheItem->set($result) |
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->expiresAfter($this->ttl); |
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$this->cache->save($cacheItem); |
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return $result; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function generate($name, $parameters = [], $referenceType = self::ABSOLUTE_PATH) |
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{ |
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$cacheItem = $this->getCacheItemGenerate($name, $parameters, $referenceType); |
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if ($cacheItem->isHit()) { |
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return $cacheItem->get(); |
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} |
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// Get the result form the router |
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$result = $this->router->generate($name, $parameters, $referenceType); |
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// Save the result |
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$cacheItem->set($result) |
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->expiresAfter($this->ttl); |
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$this->cache->save($cacheItem); |
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return $result; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getRouteCollection() |
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{ |
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return $this->router->getRouteCollection(); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function setContext(RequestContext $context) |
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{ |
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$this->router->setContext($context); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getContext() |
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{ |
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return $this->router->getContext(); |
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} |
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/** |
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* Get a cache item for a call to match(). |
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* |
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* @param string $pathinfo |
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* |
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* @return \Psr\Cache\CacheItemInterface |
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*/ |
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private function getCacheItemMatch($pathinfo) |
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{ |
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/** @type RequestContext $c */ |
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$c = $this->getContext(); |
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$key = sprintf('%s__%s__%s__%s', $c->getHost(), $pathinfo, $c->getMethod(), $c->getQueryString()); |
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return $this->getCacheItemFromKey($key, 'match'); |
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} |
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/** |
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* Get a cache item for a call to generate(). |
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* |
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* @param $name |
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* @param array $parameters |
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* @param $referenceType |
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* |
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* @return \Psr\Cache\CacheItemInterface |
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*/ |
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private function getCacheItemGenerate($name, array $parameters, $referenceType) |
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{ |
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asort($parameters); |
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$key = sprintf('%s.%s.%s', $name, $referenceType ? 'true' : 'false', http_build_query($parameters)); |
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return $this->getCacheItemFromKey($key, 'generate'); |
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} |
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/** |
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* Passes through all unknown calls onto the router object. |
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*/ |
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public function __call($method, $args) |
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{ |
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return call_user_func_array([$this->router, $method], $args); |
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} |
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/** |
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* @param string $key |
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* @param string $tag |
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* |
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* @return \Psr\Cache\CacheItemInterface |
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*/ |
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private function getCacheItemFromKey($key, $tag) |
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{ |
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$item = $this->cache->getItem(KeyNormalizer::noInvalid($key)); |
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if ($item instanceof TaggableCacheItemInterface) { |
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$item->setTags(['router', $tag]); |
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} |
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return $item; |
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} |
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} |
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php-cache /
cache-bundle
