Hidistro.SaleSystem.Vshop/ShoppingProcessor.cs

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namespace Hidistro.SaleSystem.Vshop
{
    using Hidistro.Core;
    using Hidistro.Entities;
    using Hidistro.Entities.Commodities;
    using Hidistro.Entities.Members;
    using Hidistro.Entities.Orders;
    using Hidistro.Entities.Promotions;
    using Hidistro.Entities.Sales;
    using Hidistro.SqlDal;
    using Hidistro.SqlDal.Commodities;
    using Hidistro.SqlDal.Members;
    using Hidistro.SqlDal.Orders;
    using Hidistro.SqlDal.Promotions;
    using Hidistro.SqlDal.Sales;
    using Microsoft.Practices.EnterpriseLibrary.Data;
    using System;
    using System.Collections;
    using System.Collections.Generic;
    using System.Data;
    using System.Data.Common;
    using System.Linq;

    public static class ShoppingProcessor
    {
        private static object createOrderLocker = new object();

        public static decimal CalcFreight(int regionId, decimal totalWeight, ShippingModeInfo shippingModeInfo)
        {
            decimal price = 0M;
            int topRegionId = RegionHelper.GetTopRegionId(regionId);
            decimal num3 = totalWeight;
            int num4 = 1;
            if ((num3 > shippingModeInfo.Weight) && (shippingModeInfo.AddWeight.HasValue && (shippingModeInfo.AddWeight.Value > 0M)))
            {
                decimal num6 = num3 - shippingModeInfo.Weight;
                if ((num6 % shippingModeInfo.AddWeight) == 0M)
                {
                    num4 = Convert.ToInt32(Math.Truncate((decimal) ((num3 - shippingModeInfo.Weight) / shippingModeInfo.AddWeight.Value)));
                }
                else
                {
                    num4 = Convert.ToInt32(Math.Truncate((decimal) ((num3 - shippingModeInfo.Weight) / shippingModeInfo.AddWeight.Value))) + 1;
                }
            }
            if ((shippingModeInfo.ModeGroup == null) || (shippingModeInfo.ModeGroup.Count == 0))
            {
                if ((num3 > shippingModeInfo.Weight) && shippingModeInfo.AddPrice.HasValue)
                {
                    return ((num4 * shippingModeInfo.AddPrice.Value) + shippingModeInfo.Price);
                }
                return shippingModeInfo.Price;
            }
            int? nullable = null;
            foreach (ShippingModeGroupInfo info in shippingModeInfo.ModeGroup)
            {
                foreach (ShippingRegionInfo info2 in info.ModeRegions)
                {
                    if (topRegionId == info2.RegionId)
                    {