[ECP-9506] Fix response handling of non-200 http status codes

Gateway/Http/Client/TransactionPayment.php

@@ -162,6 +162,11 @@ public function placeRequest(TransferInterface $transferObject): array
  $this->adyenHelper->logResponse($responseData);
  } catch (AdyenException $e) {
  $this->adyenHelper->logAdyenException($e);
+
+ $responseObj['error'] = $e->getMessage();
+ $responseObj['errorCode'] = $e->getAdyenErrorCode();
+
+ $responseCollection[] = $responseObj;
  }
 
  return $responseCollection;

Gateway/Validator/CheckoutResponseValidator.php

@@ -62,15 +62,17 @@ public function validate(array $validationSubject): ResultInterface
  // Extract all the payment responses
  $responseCollection = $validationSubject['response'];
  unset($validationSubject['response']);
+
+ // hasOnlyGiftCards is needed later but cannot be processed as a response
+ unset($responseCollection['hasOnlyGiftCards']);
+
  // Assign the remaining items to $commandSubject
  $commandSubject = $validationSubject;
 
  if (empty($responseCollection)) {
  throw new ValidatorException(__("No responses were provided"));
  }
 
- // hasOnlyGiftCards is needed later but cannot be processed as a response
- unset($responseCollection['hasOnlyGiftCards']);
  foreach ($responseCollection as $thisResponse) {
  $responseSubject = array_merge($commandSubject, ['response' => $thisResponse]);
  $this->validateResponse($responseSubject);
@@ -90,11 +92,12 @@ private function validateResponse($responseSubject): void
 
  $payment->setAdditionalInformation('3dActive', false);
 
- // validate result
+ // Handle empty result for unexpected cases
  if (empty($response['resultCode'])) {
  $this->handleEmptyResultCode($response);
  }
 
+ // Handle the `/payments` response
  $this->validateResult($response, $payment);
  }