function delete()
{
if ($this->getName() === BirthdayService::BIRTHDAY_CALENDAR_URI) {
throw new Forbidden();
}
if (isset($this->calendarInfo['{http://owncloud.org/ns}owner-principal'])) {
$principal = 'principal:' . parent::getOwner();
$shares = $this->getShares();
$shares = array_filter($shares, function ($share) use($principal) {
return $share['href'] === $principal;
});
if (empty($shares)) {
throw new Forbidden();
}
/** @var CalDavBackend $calDavBackend */
$calDavBackend = $this->caldavBackend;
$calDavBackend->updateShares($this, [], ['href' => $principal]);
return;
}
parent::delete();
}
