1     public class UserCart
 2     {
 3         public string UserId { get; set; }
 4         /// <summary>
 5         /// 设置域名
 6         /// </summary>
 7         public string ServiceIndentify { get; set; }
 8         public OrderType OrderType { get; set; }
 9         public IList<UserCartProduct> UserCartProducts { get; set; }
10         public float TotalPrice
11         {
12             get
13             {
14                 if (OrderType == OrderType.Experience)
15                 {
16                     return 0;
17                 }
18                 else
19                 {
20                     return UserCartProducts.Sum(p => p.Price);
21                 }
22             }
23         }
24         public virtual IList<UserCartProduct> UserCartProduct { get; set; }
25     }
26 
27     public class UserCartProduct
28     {
29         public string ProductId { get; set; }
30         public int ProductBasePrice { get; set; }
31         public Period Period { get; set; }
32         public DateTime StartDate { get; set; }
33         public DateTime EndDate { get; set; }
34         public IList<string> UserCartProductBasicModules { get; set; }
35         public IList<UserCartAddtionalModule> UserCartProductAddtionalModules { get; set; }
36         public IList<UserCartAddtionalService> UserCartAddtionalServices { get; set; }
37         public IList<UserCartOption> UserCartOptions { get; set; }
38         public float Price
39         {
40             get
41             {
42                 return ProductBasePrice
43                     + UserCartProductAddtionalModules.Sum(m => m.UintPrice.GetPriceByPeriod(Period))
44                     + UserCartAddtionalServices.Sum(m => m.UintPrice.GetPriceByPeriod(new Period(PeriodType.Times, m.Quantity)))
45                     + UserCartOptions.Sum(m => m.UintPrice.GetPriceByPeriod(Period));
46             }
47         }
48         public virtual UserCart UserCart { get; set; }
49     }
50 
51     public class ModuleBase
52     {
53         public string ModuleId { get; set; }
54         
55         public PeriodPrice UintPrice { get; set; }
56 
57     }
58 
59     public class UserCartAddtionalModule: ModuleBase
60     {
61     }
62 
63     public class UserCartAddtionalService : ModuleBase
64     {
65         public int Quantity { get; set; }
66     }
67 
68     public class UserCartOption: ModuleBase
69     {
70         public string CheckId { get; set; }
71         public string OriginCheckedId { get; set; }
72         public PeriodPrice OriginPeriodPrice { get; set; }
73     }