Issue #3003273 by khiminrm, marchuk.vitaliy, rszrama, jsacksick: Add the...

Issue #3003273 by khiminrm, marchuk.vitaliy, rszrama, jsacksick: Add the ability to void an unsettled capture.

src/ErrorHelper.php

@@ -77,6 +77,9 @@ class ErrorHelper {
         if (in_array($error->code, $hard_decline_codes)) {
           throw new HardDeclineException($error->message, $error->code);
         }
+        elseif ($error->code == 91506) {
+          throw new InvalidRequestException('Partial refunds will not be possible until the original transaction has settled. Please try again later.', $error->code);
+        }
         else {
           throw new InvalidRequestException($error->message, $error->code);
         }

src/Plugin/Commerce/PaymentGateway/HostedFields.php

@@ -317,6 +317,23 @@ class HostedFields extends OnsitePaymentGatewayBase implements HostedFieldsInter
       $remote_id = $payment->getRemoteId();
       $decimal_amount = $amount->getNumber();
       $result = $this->api->transaction()->refund($remote_id, $decimal_amount);
+      if (!$result->success) {
+        $errors = $result->errors->deepAll();
+        $balance = $payment->getBalance();
+        if (!empty($errors) && $amount->equals($balance)) {
+          $error = reset($errors);
+          // Cannot refund transaction unless it is settled.
+          if ($error->code === '91506') {
+            $result = $this->api->transaction()->void($remote_id);
+            if ($result->success) {
+              $payment->setState('refunded');
+              $payment->setRefundedAmount($amount);
+              $payment->save();
+              return;
+            }
+          }
+        }
+     }
       ErrorHelper::handleErrors($result);
     }
     catch (BraintreeException $e) {