[英]Creating inheritance users from base asp.net identity user
我有問題,我想在示例中創建N,兩個用戶對象(例如客戶和供應商),這些都是asp.net IdentityUser對象固有的。 除了來自IdentityUser的數據之外,這些對象具有非常不同的附加數據。 我想使用IdentityUser用戶,因為這為我提供了一種靈活的方式來處理身份驗證和授權。
此示例已被刪除,但應提供有關無法創建具體用戶的充分信息(例如,供應商的客戶)。 我似乎需要使用UserManager對象,因為它還負責創建例如密碼哈希和其他安全信息。
我收到以下錯誤:
{“附加'供應商'類型的實體失敗,因為同一類型的另一個實體已經具有相同的主鍵值。當使用'附加'方法或將實體的狀態設置為'未更改'或'已修改時,可能會發生這種情況'如果圖中的任何實體具有沖突的鍵值。這可能是因為某些實體是新的並且還沒有接收到數據庫生成的鍵值。在這種情況下,使用“添加”方法或“添加”實體狀態來跟蹤圖表,然后根據需要將非新實體的狀態設置為“未更改”或“已修改”。“}
IdentityUser固有的類
public class Customer : IdentityUser
{
public string CustomerProperty { get; set; }
}
public class Supplier : IdentityUser
{
public string SupplierProperty { get; set; }
}
數據庫上下文類
public class ApplicationDbContext : IdentityDbContext {
public ApplicationDbContext() : base("ApplicationDbContext")
{
Database.SetInitializer(new ApplicationDbInitializer());
}
public DbSet<Customer> CustomerCollection { get; set; }
public DbSet<Supplier> SupplierCollection { get; set; }
}
引發異常的種子類
public class ApplicationDbInitializer : DropCreateDatabaseAlways<ApplicationDbContext>
{
protected override void Seed(ApplicationDbContext context)
{
var userStore = new UserStore(context);
var userManager = new UserManager(userStore);
// Seed customer user which inherents from asp.net IdentityUser
var user = userManager.FindByEmail("customer@customer.com");
if (user == null)
{
user = new User()
{
UserName = "customer@customer.com",
Email = "customer@customer.com"
};
userManager.Create(user, userPassword);
var customerUser = new Customer()
{
Id = user.Id,
CustomerProperty = "Additional Info"
};
context.Entry(customerUser).State = EntityState.Modified;
context.SaveChanges();
}
// Seed supplier user which inherents from asp.net IdentityUser
var user = userManager.FindByEmail("supplier@supplier.com");
if (user == null)
{
user = new User()
{
UserName = "supplier@supplier.com",
Email = "supplier@supplier.com"
};
userManager.Create(user, userPassword);
var supplierUser = new Supplier()
{
Id = user.Id,
IBAN = "212323424342234",
Relationship = "OK"
};
context.Entry(supplierUser).State = EntityState.Modified;
context.SaveChanges();
}
}
}
****更新****
下面的解決方案有效,但我仍在努力解決兩個問題:
類
public class Customer
{
[Key]
public int CustomerId { get;set; }
public string CustomerProperty { get; set; }
*public virtual User User { get; set; }*
}
public class Supplier
{
[Key]
public int SupplierId { get;set; }
public string SupplierProperty { get; set; }
*public virtual User User { get; set; }*
}
** Class IdentityUser(有效)**
public class User : IdentityUser
{
public virtual Supplier Supplier { get; set; }
public virtual Customer Customer { get; set; }
}
** Class IdentityUser(我想要的)**
public class User : IdentityUser
{
public virtual IConcreteUser ConcreteUser{ get; set; }
}
數據庫上下文類
public class ApplicationDbContext : IdentityDbContext {
public ApplicationDbContext() : base("ApplicationDbContext")
{
Database.SetInitializer(new ApplicationDbInitializer());
}
public DbSet<Customer> CustomerCollection { get; set; }
public DbSet<Supplier> SupplierCollection { get; set; }
}
**播種班**
public class ApplicationDbInitializer : DropCreateDatabaseAlways<ApplicationDbContext>
{
protected override void Seed(ApplicationDbContext context)
{
var userStore = new UserStore(context);
var userManager = new UserManager(userStore);
var roleManager = new RoleManager(roleStore);
var user = userManager.FindByEmail("customer@customer.com");
if (user == null)
{
user = new ApplicationUser()
{
UserName = "customer@customer.com",
Email = "customer@customer.com"
Customer = new Customer()
{
CustomerProperty = "Additional Info"
}
};
userManager.Create(user, userPassword);
roleManager.AddUserToRole("Customer");
}
user = userManager.FindByEmail("supplier@supplier.com");
if (user == null)
{
user = new ApplicationUser()
{
UserName = "supplier@supplier.com",
Email = "supplier@supplier.com",
Supplier = new Supplier()
{
IBAN = "212323424342234",
Relationship = "OK"
}
};
userManager.Create(user, userPassword);
roleManager.AddUserToRole("Supplier");
}
}
}
正如其他人一樣,我認為這是一個設計問題。 有一些替代方法,如:
Supplier
和Customer
實體成為關系,而不是用戶的擴展 例如:
public class ApplicationUser : IdentityUser
{
public virtual Customer Customer { get; set; }
public virtual Supplier Supplier { get; set; }
}
public class Customer
{
[Key]
public int Id { get; set; }
public virtual ApplicationUser User { get; set; }
public string CustomerProperty { get; set; }
}
public class Supplier
{
[Key]
public int Id { get; set; }
public virtual ApplicationUser User { get; set; }
public string SupplierProperty { get; set; }
}
public class ApplicationDbContext : IdentityDbContext<ApplicationUser>
{
public DbSet<Customer> Customers { get; set; }
public DbSet<Supplier> Suppliers { get; set; }
}
public class ApplicationDbInitializer
: DropCreateDatabaseAlways<ApplicationDbContext>
{
protected override void Seed(ApplicationDbContext context)
{
var userStore = new UserStore(context);
var userManager = new UserManager(userStore);
var roleManager = new RoleManager(roleStore);
var user = userManager.FindByEmail("customer@customer.com");
if (user == null)
{
user = new ApplicationUser()
{
UserName = "customer@customer.com",
Email = "customer@customer.com"
Customer = new Customer()
{
CustomerProperty = "Additional Info"
}
};
userManager.Create(user, userPassword);
roleManager.AddUserToRole("Customer");
}
user = userManager.FindByEmail("supplier@supplier.com");
if (user == null)
{
user = new ApplicationUser()
{
UserName = "supplier@supplier.com",
Email = "supplier@supplier.com",
Supplier = new Supplier()
{
IBAN = "212323424342234",
Relationship = "OK"
}
};
userManager.Create(user, userPassword);
roleManager.AddUserToRole("Supplier");
}
}
}
在你的邏輯中,你可以做一些事情:
if (User.IsInRole("Customer"))
{
// do something
}
免責聲明 :這不是“復制和粘貼”示例,只是讓您了解不同的方法。
我剛剛解決了類似的問題。 我在AppUser中創建了抽象類型DomainUser的導航屬性(繼承自Identity User)
public class AppUser : IdentityUser
{
public DomainUser DomainUser { get; set; }
}
DomainUser看起來像這樣:
public abstract class DomainUser : IAggregateRoot
{
public Guid Id { get; set; }
public AppUser IdentityUser { get; set; }
}
我在所有具體的域用戶類型中繼承DomainUser:
public class AdministrationUser : DomainUser
{
public string SomeAdministrationProperty { get; set; }
}
public class SupplierUser : DomainUser
{
public string SomeSupplierProperty { get; set; }
}
public class Customer : DomainUser
{
public string SomeCustomerProperty { get; set; }
}
在OnModelCreating方法的DbContext中,我將Entity Framework配置為將從DomainUser繼承的所有實體存儲在單獨的表中(它稱為Table per Concrete Type )。 並配置IdentityUser和DomainUser之間的一對一關系:
modelBuilder.Entity<DomainUser>()
.Map<AdministrationUser>(m =>
{
m.MapInheritedProperties();
m.ToTable("AdministrationUsers");
})
.Map<SupplierUser>(m =>
{
m.MapInheritedProperties();
m.ToTable("SupplierUsers");
})
.Map<Customer>(m =>
{
m.MapInheritedProperties();
m.ToTable("Customers");
});
modelBuilder.Entity<DomainUser>()
.HasRequired(domainUser => domainUser.IdentityUser)
.WithRequiredPrincipal(groomUser => groomUser.DomainUser);
此代碼將“DomainUser_Id”列添加到表AspNetUsers,現在我可以訪問AppUser中每個域用戶和DomainUser導航屬性中的IdentityUser導航屬性。
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