+ public function doPayment(&$params, $component = 'contribute') {
+ $propertyBag = \Civi\Payment\PropertyBag::cast($params);
+ $this->_component = $component;
+ $statuses = CRM_Contribute_BAO_Contribution::buildOptions('contribution_status_id', 'validate');
+
+ // If we have a $0 amount, skip call to processor and set payment_status to Completed.
+ // Conceivably a processor might override this - perhaps for setting up a token - but we don't
+ // have an example of that at the moment.
+ if ($propertyBag->getAmount() == 0) {
+ $result['payment_status_id'] = array_search('Completed', $statuses);
+ $result['payment_status'] = 'Completed';
+ return $result;
+ }
+