/// <summary>
/// 计算PaidPrice
/// </summary>
public static decimal CalculatePaidPrice(ShopCartItemModel cart)
{
decimal ordTotalPrice = cart.CartItemModels.Sum(c => c.price * c.count);
decimal ordDisPrice = cart.Coupon == null ? 0 : cart.Coupon.BasePrice;
return(ordTotalPrice - ordDisPrice);
}
/// <summary>
/// 满额免
/// </summary>
public static void SetFullFree(decimal ordPaidPrice, decimal freeFreight, ShopCartItemModel item)
{
item.isFreeFreight = false;
if (freeFreight > 0)
{
item.shopFreeFreight = freeFreight;
if (ordPaidPrice >= freeFreight)
{
item.Freight = 0;
item.isFreeFreight = true;
}
}
}
private void GetOrderProductsInfo(string cartItemIds)
{
CartHelper cartHelper = new CartHelper();
IEnumerable <ShoppingCartItem> cartItems = null;
if (!string.IsNullOrWhiteSpace(cartItemIds))
{
char[] chrArray = new char[] { ',' };
IEnumerable <long> nums =
from t in cartItemIds.Split(chrArray)
select long.Parse(t);
cartItems = ServiceHelper.Create <ICartService>().GetCartItems(nums);
}
else
{
cartItems = cartHelper.GetCart(base.CurrentUser.Id).Items;
}
int cityId = 0;
ShippingAddressInfo defaultUserShippingAddressByUserId = ServiceHelper.Create <IShippingAddressService>().GetDefaultUserShippingAddressByUserId(base.CurrentUser.Id);
if (defaultUserShippingAddressByUserId != null)
{
cityId = Instance <IRegionService> .Create.GetCityId(defaultUserShippingAddressByUserId.RegionIdPath);
}
IProductService productService = ServiceHelper.Create <IProductService>();
IShopService shopService = ServiceHelper.Create <IShopService>();
List <CartItemModel> list = cartItems.Select <ShoppingCartItem, CartItemModel>((ShoppingCartItem item) => {
ProductInfo product = productService.GetProduct(item.ProductId);
SKUInfo sku = productService.GetSku(item.SkuId);
return(new CartItemModel()
{
skuId = item.SkuId,
id = product.Id,
imgUrl = product.GetImage(ProductInfo.ImageSize.Size_100, 1),
name = product.ProductName,
price = sku.SalePrice,
shopId = product.ShopId,
count = item.Quantity
});
}).ToList();
IEnumerable <IGrouping <long, CartItemModel> > groupings =
from a in list
group a by a.shopId;
List <ShopCartItemModel> shopCartItemModels = new List <ShopCartItemModel>();
foreach (IGrouping <long, CartItemModel> nums1 in groupings)
{
IEnumerable <long> nums2 =
from r in nums1
select r.id;
IEnumerable <int> nums3 =
from r in nums1
select r.count;
ShopCartItemModel shopCartItemModel = new ShopCartItemModel()
{
shopId = nums1.Key
};
if (ServiceHelper.Create <IVShopService>().GetVShopByShopId(shopCartItemModel.shopId) != null)
{
shopCartItemModel.vshopId = ServiceHelper.Create <IVShopService>().GetVShopByShopId(shopCartItemModel.shopId).Id;
}
else
{
shopCartItemModel.vshopId = 0;
}
shopCartItemModel.CartItemModels = (
from a in list
where a.shopId == shopCartItemModel.shopId
select a).ToList();
shopCartItemModel.ShopName = shopService.GetShop(shopCartItemModel.shopId, false).ShopName;
if (cityId > 0)
{
shopCartItemModel.Freight = ServiceHelper.Create <IProductService>().GetFreight(nums2, nums3, cityId);
}
List <ShopBonusReceiveInfo> detailToUse = ServiceHelper.Create <IShopBonusService>().GetDetailToUse(shopCartItemModel.shopId, base.CurrentUser.Id, nums1.Sum <CartItemModel>((CartItemModel a) => a.price * a.count));
List <CouponRecordInfo> userCoupon = ServiceHelper.Create <ICouponService>().GetUserCoupon(shopCartItemModel.shopId, base.CurrentUser.Id, nums1.Sum <CartItemModel>((CartItemModel a) => a.price * a.count));
if (detailToUse.Count() > 0 && userCoupon.Count() > 0)
{
ShopBonusReceiveInfo shopBonusReceiveInfo = detailToUse.FirstOrDefault();
CouponRecordInfo couponRecordInfo = userCoupon.FirstOrDefault();
decimal?price = shopBonusReceiveInfo.Price;
decimal num = couponRecordInfo.ChemCloud_Coupon.Price;
if ((price.GetValueOrDefault() <= num ? true : !price.HasValue))
{
shopCartItemModel.Coupon = new CouponModel()
{
CouponName = couponRecordInfo.ChemCloud_Coupon.CouponName,
CouponId = couponRecordInfo.Id,
CouponPrice = couponRecordInfo.ChemCloud_Coupon.Price,
Type = 0
};
}
else
{
shopCartItemModel.Coupon = new CouponModel()
{
CouponName = shopBonusReceiveInfo.ChemCloud_ShopBonusGrant.ChemCloud_ShopBonus.Name,
CouponId = shopBonusReceiveInfo.Id,
CouponPrice = shopBonusReceiveInfo.Price.Value,
Type = 1
};
}
}
else if (detailToUse.Count() <= 0 && userCoupon.Count() <= 0)
{
shopCartItemModel.Coupon = null;
}
else if (detailToUse.Count() <= 0 && userCoupon.Count() > 0)
{
CouponRecordInfo couponRecordInfo1 = userCoupon.FirstOrDefault();
shopCartItemModel.Coupon = new CouponModel()
{
CouponName = couponRecordInfo1.ChemCloud_Coupon.CouponName,
CouponId = couponRecordInfo1.Id,
CouponPrice = couponRecordInfo1.ChemCloud_Coupon.Price,
Type = 0
};
}
else if (detailToUse.Count() > 0 && userCoupon.Count() <= 0)
{
ShopBonusReceiveInfo shopBonusReceiveInfo1 = detailToUse.FirstOrDefault();
shopCartItemModel.Coupon = new CouponModel()
{
CouponName = shopBonusReceiveInfo1.ChemCloud_ShopBonusGrant.ChemCloud_ShopBonus.Name,
CouponId = shopBonusReceiveInfo1.Id,
CouponPrice = shopBonusReceiveInfo1.Price.Value,
Type = 1
};
}
decimal num1 = shopCartItemModel.CartItemModels.Sum <CartItemModel>((CartItemModel d) => d.price * d.count);
decimal num2 = num1 - (shopCartItemModel.Coupon == null ? new decimal(0) : shopCartItemModel.Coupon.CouponPrice);
decimal freeFreight = shopService.GetShop(shopCartItemModel.shopId, false).FreeFreight;
shopCartItemModel.isFreeFreight = false;
if (freeFreight > new decimal(0))
{
shopCartItemModel.shopFreeFreight = freeFreight;
if (num2 >= freeFreight)
{
shopCartItemModel.Freight = new decimal(0);
shopCartItemModel.isFreeFreight = true;
}
}
shopCartItemModels.Add(shopCartItemModel);
}
decimal num3 = (
from a in shopCartItemModels
where a.Coupon != null
select a).Sum <ShopCartItemModel>((ShopCartItemModel b) => b.Coupon.CouponPrice);
ViewBag.products = shopCartItemModels;
base.ViewBag.totalAmount = list.Sum <CartItemModel>((CartItemModel item) => item.price * item.count);
base.ViewBag.Freight = shopCartItemModels.Sum <ShopCartItemModel>((ShopCartItemModel a) => a.Freight);
dynamic viewBag = base.ViewBag;
dynamic obj = ViewBag.totalAmount;
viewBag.orderAmount = obj + ViewBag.Freight - num3;
IMemberIntegralService memberIntegralService = ServiceHelper.Create <IMemberIntegralService>();
MemberIntegral memberIntegral = memberIntegralService.GetMemberIntegral(base.CurrentUser.Id);
int num4 = (memberIntegral == null ? 0 : memberIntegral.AvailableIntegrals);
ViewBag.userIntegrals = num4;
ViewBag.integralPerMoney = 0;
ViewBag.memberIntegralInfo = memberIntegral;
MemberIntegralExchangeRules integralChangeRule = memberIntegralService.GetIntegralChangeRule();
decimal num5 = new decimal(0);
decimal num6 = new decimal(0);
decimal viewBag1 = (decimal)ViewBag.totalAmount;
if (integralChangeRule == null || integralChangeRule.IntegralPerMoney <= 0)
{
num5 = new decimal(0);
num6 = new decimal(0);
}
else
{
if (((viewBag1 - num3) - Math.Round((decimal)num4 / integralChangeRule.IntegralPerMoney, 2)) <= new decimal(0))
{
num5 = Math.Round(viewBag1 - num3, 2);
num6 = Math.Round((viewBag1 - num3) * integralChangeRule.IntegralPerMoney);
}
else
{
num5 = Math.Round((decimal)num4 / integralChangeRule.IntegralPerMoney, 2);
num6 = num4;
}
if (num5 <= new decimal(0))
{
num5 = new decimal(0);
num6 = new decimal(0);
}
}
ViewBag.integralPerMoney = num5;
ViewBag.userIntegrals = num6;
}
private void GetOrderProductsInfo(IEnumerable <string> skuIds, IEnumerable <int> counts)
{
IProductService productService = ServiceHelper.Create <IProductService>();
IShopService shopService = ServiceHelper.Create <IShopService>();
int num3 = 0;
int cityId = 0;
ShippingAddressInfo defaultUserShippingAddressByUserId = ServiceHelper.Create <IShippingAddressService>().GetDefaultUserShippingAddressByUserId(base.CurrentUser.Id);
if (defaultUserShippingAddressByUserId != null)
{
cityId = Instance <IRegionService> .Create.GetCityId(defaultUserShippingAddressByUserId.RegionIdPath);
}
List <CartItemModel> list = skuIds.Select <string, CartItemModel>((string item) => {
SKUInfo sku = productService.GetSku(item);
IEnumerable <int> nums = counts;
int num = num3;
int num1 = num;
num3 = num + 1;
int num2 = nums.ElementAt <int>(num1);
LimitTimeMarketInfo limitTimeMarketItemByProductId = ServiceHelper.Create <ILimitTimeBuyService>().GetLimitTimeMarketItemByProductId(sku.ProductInfo.Id);
if (limitTimeMarketItemByProductId != null && num2 > limitTimeMarketItemByProductId.MaxSaleCount)
{
throw new HimallException(string.Concat("超过最大限购数量：", limitTimeMarketItemByProductId.MaxSaleCount.ToString()));
}
return(new CartItemModel()
{
skuId = item,
id = sku.ProductInfo.Id,
imgUrl = sku.ProductInfo.GetImage(ProductInfo.ImageSize.Size_100, 1),
name = sku.ProductInfo.ProductName,
shopId = sku.ProductInfo.ShopId,
price = (limitTimeMarketItemByProductId == null ? sku.SalePrice : limitTimeMarketItemByProductId.Price),
count = num2,
productCode = sku.ProductInfo.ProductCode
});
}).ToList();
IEnumerable <IGrouping <long, CartItemModel> > groupings =
from a in list
group a by a.shopId;
List <ShopCartItemModel> shopCartItemModels = new List <ShopCartItemModel>();
foreach (IGrouping <long, CartItemModel> nums1 in groupings)
{
IEnumerable <long> nums2 =
from r in nums1
select r.id;
IEnumerable <int> nums3 =
from r in nums1
select r.count;
ShopCartItemModel shopCartItemModel = new ShopCartItemModel()
{
shopId = nums1.Key
};
shopCartItemModel.CartItemModels = (
from a in list
where a.shopId == shopCartItemModel.shopId
select a).ToList();
shopCartItemModel.ShopName = shopService.GetShop(shopCartItemModel.shopId, false).ShopName;
if (cityId != 0)
{
shopCartItemModel.Freight = ServiceHelper.Create <IProductService>().GetFreight(nums2, nums3, cityId);
}
List <ShopBonusReceiveInfo> detailToUse = ServiceHelper.Create <IShopBonusService>().GetDetailToUse(shopCartItemModel.shopId, base.CurrentUser.Id, nums1.Sum <CartItemModel>((CartItemModel a) => a.price * a.count));
List <CouponRecordInfo> userCoupon = ServiceHelper.Create <ICouponService>().GetUserCoupon(shopCartItemModel.shopId, base.CurrentUser.Id, nums1.Sum <CartItemModel>((CartItemModel a) => a.price * a.count));
if (detailToUse.Count() > 0 && userCoupon.Count() > 0)
{
ShopBonusReceiveInfo shopBonusReceiveInfo = detailToUse.FirstOrDefault();
CouponRecordInfo couponRecordInfo = userCoupon.FirstOrDefault();
decimal?price = shopBonusReceiveInfo.Price;
decimal price1 = couponRecordInfo.ChemCloud_Coupon.Price;
if ((price.GetValueOrDefault() <= price1 ? true : !price.HasValue))
{
shopCartItemModel.Coupon = new CouponModel()
{
CouponName = couponRecordInfo.ChemCloud_Coupon.CouponName,
CouponId = couponRecordInfo.Id,
CouponPrice = couponRecordInfo.ChemCloud_Coupon.Price,
Type = 0
};
}
else
{
shopCartItemModel.Coupon = new CouponModel()
{
CouponName = shopBonusReceiveInfo.ChemCloud_ShopBonusGrant.ChemCloud_ShopBonus.Name,
CouponId = shopBonusReceiveInfo.Id,
CouponPrice = shopBonusReceiveInfo.Price.Value,
Type = 1
};
}
}
else if (detailToUse.Count() <= 0 && userCoupon.Count() <= 0)
{
shopCartItemModel.Coupon = null;
}
else if (detailToUse.Count() <= 0 && userCoupon.Count() > 0)
{
CouponRecordInfo couponRecordInfo1 = userCoupon.FirstOrDefault();
shopCartItemModel.Coupon = new CouponModel()
{
CouponName = couponRecordInfo1.ChemCloud_Coupon.CouponName,
CouponId = couponRecordInfo1.Id,
CouponPrice = couponRecordInfo1.ChemCloud_Coupon.Price,
Type = 0
};
}
else if (detailToUse.Count() > 0 && userCoupon.Count() <= 0)
{
ShopBonusReceiveInfo shopBonusReceiveInfo1 = detailToUse.FirstOrDefault();
shopCartItemModel.Coupon = new CouponModel()
{
CouponName = shopBonusReceiveInfo1.ChemCloud_ShopBonusGrant.ChemCloud_ShopBonus.Name,
CouponId = shopBonusReceiveInfo1.Id,
CouponPrice = shopBonusReceiveInfo1.Price.Value,
Type = 1
};
}
decimal num4 = shopCartItemModel.CartItemModels.Sum <CartItemModel>((CartItemModel d) => d.price * d.count);
decimal num5 = num4 - (shopCartItemModel.Coupon == null ? new decimal(0) : shopCartItemModel.Coupon.CouponPrice);
decimal freeFreight = shopService.GetShop(shopCartItemModel.shopId, false).FreeFreight;
shopCartItemModel.isFreeFreight = false;
if (freeFreight > new decimal(0))
{
shopCartItemModel.shopFreeFreight = freeFreight;
if (num5 >= freeFreight)
{
shopCartItemModel.Freight = new decimal(0);
shopCartItemModel.isFreeFreight = true;
}
}
shopCartItemModels.Add(shopCartItemModel);
}
decimal num6 = (
from a in shopCartItemModels
where a.Coupon != null
select a).Sum <ShopCartItemModel>((ShopCartItemModel b) => b.Coupon.CouponPrice);
ViewBag.products = shopCartItemModels;
base.ViewBag.totalAmount = list.Sum <CartItemModel>((CartItemModel item) => item.price * item.count);
base.ViewBag.Freight = shopCartItemModels.Sum <ShopCartItemModel>((ShopCartItemModel a) => a.Freight);
dynamic viewBag = base.ViewBag;
dynamic obj = ViewBag.totalAmount;
viewBag.orderAmount = obj + ViewBag.Freight - num6;
IMemberIntegralService memberIntegralService = ServiceHelper.Create <IMemberIntegralService>();
MemberIntegral memberIntegral = memberIntegralService.GetMemberIntegral(base.CurrentUser.Id);
int num7 = (memberIntegral == null ? 0 : memberIntegral.AvailableIntegrals);
ViewBag.userIntegrals = num7;
ViewBag.integralPerMoney = 0;
ViewBag.memberIntegralInfo = memberIntegral;
MemberIntegralExchangeRules integralChangeRule = memberIntegralService.GetIntegralChangeRule();
decimal viewBag1 = new decimal(0);
decimal viewBag2 = new decimal(0);
if (integralChangeRule == null || integralChangeRule.IntegralPerMoney <= 0)
{
viewBag1 = new decimal(0);
viewBag2 = new decimal(0);
}
else
{
if (ViewBag.totalAmount - num6 - Math.Round((decimal)num7 / integralChangeRule.IntegralPerMoney, 2) <= 0)
{
viewBag1 = Math.Round(ViewBag.totalAmount - num6, 2);
viewBag2 = Math.Round((ViewBag.totalAmount - num6) * integralChangeRule.IntegralPerMoney);
}
else
{
viewBag1 = Math.Round((decimal)num7 / integralChangeRule.IntegralPerMoney, 2);
viewBag2 = num7;
}
if (viewBag1 <= new decimal(0))
{
viewBag1 = new decimal(0);
viewBag2 = new decimal(0);
}
}
ViewBag.integralPerMoney = viewBag1;
ViewBag.userIntegrals = viewBag2;
}
private void GetOrderProductsInfo(string cartItemIds, long?regionId)
{
ShippingAddressInfo shippingAddressInfo = new ShippingAddressInfo();
shippingAddressInfo = (!regionId.HasValue ? ServiceHelper.Create <IShippingAddressService>().GetDefaultUserShippingAddressByUserId(base.CurrentUser.Id) : ServiceHelper.Create <IShippingAddressService>().GetUserShippingAddress(regionId.Value));
int cityId = 0;
if (shippingAddressInfo != null)
{
cityId = Instance <IRegionService> .Create.GetCityId(shippingAddressInfo.RegionIdPath);
}
CartHelper cartHelper = new CartHelper();
IEnumerable <ShoppingCartItem> cartItems = null;
if (!string.IsNullOrWhiteSpace(cartItemIds))
{
char[] chrArray = new char[] { ',' };
IEnumerable <long> nums =
from t in cartItemIds.Split(chrArray)
select long.Parse(t);
cartItems = ServiceHelper.Create <ICartService>().GetCartItems(nums);
}
else
{
cartItems = cartHelper.GetCart(base.CurrentUser.Id).Items;
}
IProductService productService = ServiceHelper.Create <IProductService>();
IShopService shopService = ServiceHelper.Create <IShopService>();
List <CartItemModel> list = cartItems.Select <ShoppingCartItem, CartItemModel>((ShoppingCartItem item) =>
{
ProductInfo product = productService.GetProduct(item.ProductId);
SKUInfo sku = productService.GetSku(item.SkuId);
return(new CartItemModel()
{
skuId = item.SkuId,
id = product.Id,
imgUrl = product.GetImage(ProductInfo.ImageSize.Size_50, 1),
name = product.ProductName,
price = sku.SalePrice,
shopId = product.ShopId,
count = item.Quantity,
productCode = product.ProductCode
});
}).ToList();
IEnumerable <IGrouping <long, CartItemModel> > groupings =
from a in list
group a by a.shopId;
List <ShopCartItemModel> shopCartItemModels = new List <ShopCartItemModel>();
foreach (IGrouping <long, CartItemModel> nums1 in groupings)
{
IEnumerable <long> nums2 =
from r in nums1
select r.id;
IEnumerable <int> nums3 =
from r in nums1
select r.count;
ShopCartItemModel shopCartItemModel = new ShopCartItemModel()
{
shopId = nums1.Key,
Freight = (cityId <= 0 ? new decimal(0) : ServiceHelper.Create <IProductService>().GetFreight(nums2, nums3, cityId)),
};
shopCartItemModel.CartItemModels = (
from a in list
where a.shopId == shopCartItemModel.shopId
select a).ToList();
shopCartItemModel.ShopName = shopService.GetShop(shopCartItemModel.shopId, false).ShopName;
shopCartItemModel.UserCoupons = ServiceHelper.Create <ICouponService>().GetUserCoupon(shopCartItemModel.shopId, base.CurrentUser.Id, nums1.Sum <CartItemModel>((CartItemModel a) => a.price * a.count));
shopCartItemModel.UserBonus = ServiceHelper.Create <IShopBonusService>().GetDetailToUse(shopCartItemModel.shopId, base.CurrentUser.Id, nums1.Sum <CartItemModel>((CartItemModel a) => a.price * a.count));
shopCartItemModels.Add(shopCartItemModel);
}
ViewBag.products = shopCartItemModels;
base.ViewBag.totalAmount = list.Sum <CartItemModel>((CartItemModel item) => item.price * item.count);
base.ViewBag.Freight = shopCartItemModels.Sum <ShopCartItemModel>((ShopCartItemModel a) => a.Freight);
dynamic viewBag = base.ViewBag;
dynamic obj = ViewBag.totalAmount;
viewBag.orderAmount = obj + ViewBag.Freight;
}
private void GetOrderProductsInfo(string skuIds, string counts, string collIds = null)
{
ShippingAddressInfo defaultUserShippingAddressByUserId = ServiceHelper.Create <IShippingAddressService>().GetDefaultUserShippingAddressByUserId(base.CurrentUser.Id);
int cityId = 0;
if (defaultUserShippingAddressByUserId != null)
{
cityId = Instance <IRegionService> .Create.GetCityId(defaultUserShippingAddressByUserId.RegionIdPath);
}
IEnumerable <long> nums = null;
string[] strArrays = skuIds.Split(new char[] { ',' });
string str = counts.TrimEnd(new char[] { ',' });
char[] chrArray = new char[] { ',' };
IEnumerable <int> nums1 =
from t in str.Split(chrArray)
select int.Parse(t);
if (!string.IsNullOrEmpty(collIds))
{
string str1 = collIds.TrimEnd(new char[] { ',' });
char[] chrArray1 = new char[] { ',' };
nums =
from t in str1.Split(chrArray1)
select long.Parse(t);
}
IProductService productService = ServiceHelper.Create <IProductService>();
int num2 = 0;
int length = strArrays.Length;
List <CartItemModel> list = strArrays.Select <string, CartItemModel>((string item) =>
{
SKUInfo sku = productService.GetSku(item);
int num = nums1.ElementAt <int>(num2);
long num1 = (nums != null ? nums.ElementAt <long>(num2) : 0);
num2++;
return(new CartItemModel()
{
skuId = item,
id = sku.ProductInfo.Id,
imgUrl = sku.ProductInfo.GetImage(ProductInfo.ImageSize.Size_50, 1),
name = sku.ProductInfo.ProductName,
shopId = sku.ProductInfo.ShopId,
price = GetSalePrice(sku.ProductInfo.Id, sku, new long?(num1), length),
count = num,
productCode = sku.ProductInfo.ProductCode
});
}).ToList();
IShopService create = Instance <IShopService> .Create;
IEnumerable <IGrouping <long, CartItemModel> > groupings =
from a in list
group a by a.shopId;
List <ShopCartItemModel> shopCartItemModels = new List <ShopCartItemModel>();
foreach (IGrouping <long, CartItemModel> nums2 in groupings)
{
IEnumerable <long> nums3 =
from r in nums2
select r.id;
IEnumerable <int> nums4 =
from r in nums2
select r.count;
ShopCartItemModel shopCartItemModel = new ShopCartItemModel()
{
shopId = nums2.Key
};
shopCartItemModel.CartItemModels = (
from a in list
where a.shopId == shopCartItemModel.shopId
select a).ToList();
shopCartItemModel.ShopName = create.GetShop(shopCartItemModel.shopId, false).ShopName;
if (cityId != 0)
{
shopCartItemModel.Freight = ServiceHelper.Create <IProductService>().GetFreight(nums3, nums4, cityId);
}
shopCartItemModel.UserCoupons = ServiceHelper.Create <ICouponService>().GetUserCoupon(shopCartItemModel.shopId, base.CurrentUser.Id, nums2.Sum <CartItemModel>((CartItemModel a) => a.price * a.count));
shopCartItemModel.UserBonus = ServiceHelper.Create <IShopBonusService>().GetDetailToUse(shopCartItemModel.shopId, base.CurrentUser.Id, nums2.Sum <CartItemModel>((CartItemModel a) => a.price * a.count));
shopCartItemModels.Add(shopCartItemModel);
}
ViewBag.CollIds = collIds;
ViewBag.products = shopCartItemModels;
base.ViewBag.totalAmount = list.Sum <CartItemModel>((CartItemModel item) => item.price * item.count);
base.ViewBag.Freight = shopCartItemModels.Sum <ShopCartItemModel>((ShopCartItemModel a) => a.Freight);
dynamic viewBag = base.ViewBag;
dynamic obj = ViewBag.totalAmount;
viewBag.orderAmount = obj + ViewBag.Freight;
}
