| public getResponse ( ) : Psr\Http\Message\ResponseInterface | ||
| return | Psr\Http\Message\ResponseInterface | |
/**
* @param RequestInterface $request
* @param CacheEntry $cacheEntry
*
* @return RequestInterface
*/
protected static function getRequestWithReValidationHeader(RequestInterface $request, CacheEntry $cacheEntry)
{
if ($cacheEntry->getResponse()->hasHeader('Last-Modified')) {
$request = $request->withHeader('If-Modified-Since', $cacheEntry->getResponse()->getHeader('Last-Modified'));
}
if ($cacheEntry->getResponse()->hasHeader('Etag')) {
$request = $request->withHeader('If-None-Match', $cacheEntry->getResponse()->getHeader('Etag'));
}
return $request;
}
/**
* @param RequestInterface $request
* @param CacheStorageInterface $cacheStorage
* @param CacheEntry $cacheEntry
* @return bool if added
*/
protected static function addReValidationRequest(RequestInterface $request, CacheStorageInterface &$cacheStorage, CacheEntry $cacheEntry)
{
// Add the promise for revalidate
if (static::$client !== null) {
/** @var RequestInterface $request */
$request = $request->withHeader("X-ReValidation", "1");
static::$waitingRevalidate[] = static::$client->sendAsync($request)->then(function (ResponseInterface $response) use($request, &$cacheStorage, $cacheEntry) {
if ($response->getStatusCode() == 304) {
// Not modified => cache entry is re-validate
/** @var ResponseInterface $response */
$response = $response->withStatus($cacheEntry->getResponse()->getStatusCode());
$response = $response->withBody($cacheEntry->getResponse()->getBody());
}
$cacheStorage->cache($request, $response);
});
return true;
}
return false;
}
