/**
* Make sure that we respect the Single-Membership rule.
* This rule is active when the "Multiple-Memberships" Add-on is DISABLED.
*
* @since 1.0.0
*
* @param MS_Model_Relationship $new_relationship
*/
protected function validate_membership_states($new_relationship)
{
if (MS_Model_Addon::is_enabled(MS_Model_Addon::ADDON_MULTI_MEMBERSHIPS)) {
// Multiple memberships allowed. No need to check anything.
return;
}
$cancel_these = array(MS_Model_Relationship::STATUS_TRIAL, MS_Model_Relationship::STATUS_ACTIVE, MS_Model_Relationship::STATUS_PENDING);
$member = $new_relationship->get_member();
foreach ($member->subscriptions as $subscription) {
if ($subscription->id === $new_relationship->id) {
continue;
}
if (in_array($subscription->status, $cancel_these)) {
$subscription->cancel_membership();
}
}
}