public async Task Get()

in src/Modules/SimplCommerce.Module.Orders/Areas/Orders/Controllers/OrderApiController.cs [139:214]
70 lines of code
5 McCabe index (conditional complexity)

        public async Task<IActionResult> Get(long id)
        {
            var order = _orderRepository
                .Query()
                .Include(x => x.ShippingAddress).ThenInclude(x => x.District)
                .Include(x => x.ShippingAddress).ThenInclude(x => x.StateOrProvince)
                .Include(x => x.ShippingAddress).ThenInclude(x => x.Country)
                .Include(x => x.OrderItems).ThenInclude(x => x.Product).ThenInclude(x => x.ThumbnailImage)
                .Include(x => x.OrderItems).ThenInclude(x => x.Product).ThenInclude(x => x.OptionCombinations).ThenInclude(x => x.Option)
                .Include(x => x.Customer)
                .FirstOrDefault(x => x.Id == id);

            if (order == null)
            {
                return NotFound();
            }

            var currentUser = await _workContext.GetCurrentUser();
            if (!User.IsInRole("admin") && order.VendorId != currentUser.VendorId)
            {
                return BadRequest(new { error = "You don't have permission to manage this order" });
            }

            var model = new OrderDetailVm(_currencyService)
            {
                Id = order.Id,
                IsMasterOrder = order.IsMasterOrder,
                CreatedOn = order.CreatedOn,
                OrderStatus = (int)order.OrderStatus,
                OrderStatusString = order.OrderStatus.ToString(),
                CustomerId = order.CustomerId,
                CustomerName = order.Customer.FullName,
                CustomerEmail = order.Customer.Email,
                ShippingMethod = order.ShippingMethod,
                PaymentMethod = order.PaymentMethod,
                PaymentFeeAmount = order.PaymentFeeAmount,
                Subtotal = order.SubTotal,
                DiscountAmount = order.DiscountAmount,
                SubTotalWithDiscount = order.SubTotalWithDiscount,
                TaxAmount = order.TaxAmount,
                ShippingAmount = order.ShippingFeeAmount,
                OrderTotal = order.OrderTotal,
                OrderNote = order.OrderNote,
                ShippingAddress = new ShippingAddressVm
                {
                    AddressLine1 = order.ShippingAddress.AddressLine1,
                    CityName = order.ShippingAddress.City,
                    ZipCode = order.ShippingAddress.ZipCode,
                    ContactName = order.ShippingAddress.ContactName,
                    DistrictName = order.ShippingAddress.District?.Name,
                    StateOrProvinceName = order.ShippingAddress.StateOrProvince.Name,
                    Phone = order.ShippingAddress.Phone
                },
                OrderItems = order.OrderItems.Select(x => new OrderItemVm(_currencyService)
                {
                    Id = x.Id,
                    ProductId = x.Product.Id,
                    ProductName = x.Product.Name,
                    ProductPrice = x.ProductPrice,
                    Quantity = x.Quantity,
                    DiscountAmount = x.DiscountAmount,
                    TaxAmount = x.TaxAmount,
                    TaxPercent = x.TaxPercent,
                    VariationOptions = OrderItemVm.GetVariationOption(x.Product)
                }).ToList()
            };

            if (order.IsMasterOrder)
            {
                model.SubOrderIds = _orderRepository.Query().Where(x => x.ParentId == order.Id).Select(x => x.Id).ToList();
            }

            await _mediator.Publish(new OrderDetailGot { OrderDetailVm = model });

            return Json(model);
        }