/**
* Check for invalid cert status changes.
* The following transitions are valid:
* <ul>
* <li>candidate -> uncertified</li>
* <li>candidate -> closed</li>
* <li>uncertified -> certified</li>
* <li>certified -> suspended</li>
* <li>certified -> closed (on site request)</li>
* <li>suspended -> uncertified</li>
* <li>suspended -> closed</li>
* </ul>
* The following are forbidden:
* <ul>
* <li>suspended -> certified</li>
* <li>candidate -> something else but uncertified and closed</li>
* <li>closed -> anything else</li>
* </ul>
* https://wiki.egi.eu/wiki/GOCDB/Input_System_User_Documentation#Changing_Site_Certification_Status
* @param \Site $site
* @param \CertificationStatus $newCertStatus
* @throws \Exception if the change is invalid
*/
public function isChangeValid(\Site $site, \CertificationStatus $newCertStatus)
{
$oldStatus = $site->getCertificationStatus()->getName();
$newStatus = $newCertStatus->getName();
// This exception is only thrown if the transition is invalid
$error = "A Certification Status can't transition from {$oldStatus} to {$newStatus}.";
$e = new \Exception($error);
if ($oldStatus === 'Suspended' && $newStatus === 'Certified') {
throw $e;
}
if ($oldStatus === 'Closed') {
throw $e;
}
// forbidden: candidate -> any other status except uncertified and closed
if ($oldStatus == 'Candidate') {
if ($newStatus !== 'Uncertified' && $newStatus !== 'Closed') {
throw $e;
}
}
}
