/**
* Generate url based on $name and $parameters
*
* @param string $name Name of the route to use.
* @param array $parameters Parameters for the route
* @param bool $absolute
* @return string
*/
public function generate($name, $parameters = array(), $absolute = false)
{
asort($parameters);
$key = $this->context->getHost() . '#' . $this->context->getBaseUrl() . $name . json_encode($parameters) . intval($absolute);
if ($this->cache->hasKey($key)) {
return $this->cache->get($key);
} else {
$url = parent::generate($name, $parameters, $absolute);
$this->cache->set($key, $url, 3600);
return $url;
}
}
/**
* @param string $key
* @return bool
*/
public function isCached($key)
{
if (is_null($this->cache)) {
return false;
}
$key = $this->getCacheKey($key);
return $this->cache->hasKey($key);
}
/**
* @param ISubscription $subscription
* @return string
*/
protected function getData(ISubscription $subscription)
{
$id = $subscription->getId();
$url = $subscription->getUrl();
$cacheId = implode('::', [$id, $url]);
if ($this->cache->hasKey($cacheId)) {
return $this->cache->get($cacheId);
} else {
$curl = curl_init();
$data = null;
$this->prepareRequest($curl, $url);
$this->getRequestData($curl, $data);
$this->validateRequest($curl);
$this->cache->set($cacheId, $data, 60 * 60 * 2);
return $data;
}
}
/**
* Fetches an object from the API.
* If the object is cached already or a
* failed "doesn't exist" response was cached,
* that one will be returned.
*
* @param string $path
* @return \OpenCloud\OpenStack\ObjectStorage\Resource\DataObject|bool object
* or false if the object did not exist
*/
private function fetchObject($path)
{
if ($this->objectCache->hasKey($path)) {
// might be "false" if object did not exist from last check
return $this->objectCache->get($path);
}
try {
$object = $this->getContainer()->getPartialObject($path);
$this->objectCache->set($path, $object);
return $object;
} catch (ClientErrorResponseException $e) {
// this exception happens when the object does not exist, which
// is expected in most cases
$this->objectCache->set($path, false);
return false;
} catch (ClientErrorResponseException $e) {
// Expected response is "404 Not Found", so only log if it isn't
if ($e->getResponse()->getStatusCode() !== 404) {
\OCP\Util::writeLog('files_external', $e->getMessage(), \OCP\Util::ERROR);
}
return false;
}
}
