/**
* Get the calculated valid-to date based on the validity type
*
* @return null|string
*/
protected function calculateValidTo()
{
$validity = $this->definition->getValidity();
$validity_type = $this->definition->getValidityType();
switch ($validity_type) {
case srCertificateTypeSetting::VALIDITY_TYPE_DATE:
// Date already stored in Y-m-d format
$valid_to = $validity;
break;
case srCertificateTypeSetting::VALIDITY_TYPE_DATE_RANGE:
$validity = json_decode($validity, true);
$calc_str = '';
if (isset($validity['m'])) {
$calc_str .= $validity['m'] . ' months';
}
if (isset($validity['d'])) {
$calc_str .= ' ' . $validity['d'] . 'days';
}
$to = $calc_str ? strtotime('+' . $calc_str) : time();
$valid_to = date('Y-m-d', $to);
break;
default:
$valid_to = null;
// Always valid
}
return $valid_to;
}
