public async Task ExecutePayment()

in src/Modules/SimplCommerce.Module.PaymentPaypalExpress/Areas/PaymentPaypalExpress/Controllers/PaypalExpressController.cs [118:170]
47 lines of code
3 McCabe index (conditional complexity)

        public async Task<ActionResult> ExecutePayment(PaymentExecuteVm model)
        {
            var accessToken = await GetAccessToken();
            var currentUser = await _workContext.GetCurrentUser();
            var cart = await _cartService.GetActiveCartDetails(currentUser.Id);
            var orderCreateResult = await _orderService.CreateOrder(cart.Id, "PaypalExpress", CalculatePaymentFee(cart.OrderTotal), OrderStatus.PendingPayment);
            if (!orderCreateResult.Success)
            {
                return BadRequest(orderCreateResult.Error);
            }

            var order = orderCreateResult.Value;
            var payment = new Payment()
            {
                OrderId = order.Id,
                PaymentFee = order.PaymentFeeAmount,
                Amount = order.OrderTotal,
                PaymentMethod = "Paypal Express",
                CreatedOn = DateTimeOffset.UtcNow,
            };

            var httpClient = _httpClientFactory.CreateClient();
            httpClient.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue("Bearer", accessToken);
            var paymentExecuteRequest = new PaymentExecuteRequest
            {
                payer_id = model.payerID
            };

            var response = await httpClient.PostJsonAsync($"https://api{_setting.Value.EnvironmentUrlPart}.paypal.com/v1/payments/payment/{model.paymentID}/execute", paymentExecuteRequest);
            var responseBody = await response.Content.ReadAsStringAsync();
            dynamic responseObject = JObject.Parse(responseBody);
            if (response.IsSuccessStatusCode)
            {
                // Has to explicitly declare the type to be able to get the propery
                string payPalPaymentId = responseObject.id;
                payment.Status = PaymentStatus.Succeeded;
                payment.GatewayTransactionId = payPalPaymentId;
                _paymentRepository.Add(payment);
                order.OrderStatus = OrderStatus.PaymentReceived;
                await _paymentRepository.SaveChangesAsync();
                return Ok(new { Status = "success", OrderId = order.Id });
            }

            payment.Status = PaymentStatus.Failed;
            payment.FailureMessage = responseBody;
            _paymentRepository.Add(payment);
            order.OrderStatus = OrderStatus.PaymentFailed;
            await _paymentRepository.SaveChangesAsync();

            string errorName = responseObject.name;
            string errorDescription = responseObject.message;
            return BadRequest($"{errorName} - {errorDescription}");
        }