/**
* Returns the cached value for the given request or NULL if it is not
* defined
*
* @param \Cundd\Rest\Request $request
* @return \Bullet\Response
*/
public function getCachedValueForRequest(\Cundd\Rest\Request $request)
{
$this->currentRequest = $request;
/** @var \TYPO3\CMS\Core\Cache\Frontend\VariableFrontend $cacheInstance */
$cacheInstance = NULL;
$cacheLifeTime = $this->getCacheLifeTime();
/*
* Use caching if the cache life time configuration is not -1, an API
* path is given and the request is a read request
*/
$useCaching = $cacheLifeTime !== -1 && $request->path();
if (!$useCaching) {
return NULL;
}
$cacheInstance = $this->_getCacheInstance();
$responseArray = $cacheInstance->get($this->_getCacheKey());
if (!$responseArray) {
return NULL;
}
if (!$request->isRead()) {
$this->_clearCache();
return NULL;
}
/** TODO: Send 304 status if appropriate */
$response = new Response($responseArray['content'], $responseArray['status']);
$response->contentType($responseArray['content-type']);
$response->encoding($responseArray['encoding']);
$response->header('Last-Modified', $responseArray['last-modified']);
$response->header('Expires', $this->getHttpDate(time() + $this->getExpiresHeaderLifeTime()));
$response->header('cundd-rest-cached', 'true');
return $response;
}
