protected function lookup(Request $request, $catch = false)
{
// if allow_reload and no-cache Cache-Control, allow a cache reload
if ($this->options['allow_reload'] && $request->isNoCache()) {
$this->record($request, 'reload');
return $this->fetch($request, $catch);
}
try {
$entry = $this->store->lookup($request);
} catch (\Exception $e) {
$this->record($request, 'lookup-failed');
if ($this->options['debug']) {
throw $e;
}
return $this->pass($request, $catch);
}
if (null === $entry) {
$this->record($request, 'miss');
return $this->fetch($request, $catch);
}
if (!$this->isFreshEnough($request, $entry)) {
$this->record($request, 'stale');
return $this->validate($request, $entry, $catch);
}
$this->record($request, 'fresh');
$entry->headers->set('Age', $entry->getAge());
return $entry;
} /**
* Lookups a Response from the cache for the given Request.
*
* {@inheritDoc}
*
* @param Request $request
* @param bool $catch
* @return Response
*/
protected function lookup(Request $request, $catch = false)
{
$response = parent::lookup($request, $catch);
// If Response is not fresh age > 0 AND contains a mathing no cache tag
if ($response->getAge() > 0 && $this->containsNoCacheTag($request, $response)) {
$response = $this->fetch($request);
}
if (!$this->options['debug']) {
// Hide headers from client
$response->headers->remove('x-shopware-allow-nocache');
$response->headers->remove('x-shopware-cache-id');
}
return $response;
}
