/**
* Calculates the cache identifier for a given error.
*
* @param Error $error
* @return string sha1
*/
public function calculateCacheIdentifier(Error $error)
{
$parts = array();
$parts[] = $error->getHost();
$parts[] = $error->getLanguage();
$parts[] = $error->getStatusCode();
$parts[] = join(',', (array) $this->frontendUser->getUserGroups());
if ($error->getStatusCode() === Error::STATUS_CODE_FORBIDDEN) {
$parts[] = $error->getCurrentUrl();
}
return sha1(join('---', $parts));
}
