Transaction Status Handling

{
  "success": true,
  "code": "0",
  "message": "succeeded",
  "data": {
    "status": "succeeded",
    "transactionId": "63021b73-5b04-4760-b9ca-8a94745c4f15"
  }
}

{
  "success": false,
  "code": "tx_cc_declined_insufficient_funds",
  "message": "The card has insufficient funds."
}

async function handleTransactionResponse(httpStatus, responseBody) {
  if (httpStatus === 200 && responseBody.success === true) {
    return {
      outcome: "succeeded",
      customerMessage: "Payment successful."
    };
  }

  if (httpStatus === 200 && responseBody.success === false) {
    return {
      outcome: "declined",
      customerMessage: responseBody.message,
      code: responseBody.code
    };
  }

  if (httpStatus >= 500) {
    return {
      outcome: "failed",
      nextAction: "rollback_or_investigate",
      code: responseBody?.code
    };
  }

  return {
    outcome: "failed",
    nextAction: "server_side_error_handling",
    code: responseBody?.code
  };
}