public function onBefore(BeforeEvent $event)
{
$request = $event->getRequest();
if (isset(self::$purgeMethods[$request->getMethod()])) {
$this->storage->purge($request);
}
}
public function onBefore(BeforeEvent $event)
{
$request = $event->getRequest();
if (isset(self::$purgeMethods[$request->getMethod()])) {
$this->storage->purge($request->getUrl());
if ('PURGE' === $request->getMethod()) {
$event->intercept(new Response(204));
}
}
}
/**
* If the request failed, then check if a cached response would suffice.
*
* @param ErrorEvent $event
*/
public function onError(ErrorEvent $event)
{
$request = $event->getRequest();
if (!call_user_func($this->canCache, $request)) {
return;
}
$response = $this->storage->fetch($request);
// Intercept the failed response if possible
if ($response && $this->validateFailed($request, $response)) {
$request->getConfig()->set('cache_hit', 'error');
$response->setHeader('Age', Utils::getResponseAge($response));
$event->intercept($response);
}
}
