c# - 为 ASP.NET 身份配置 Unity DI

Question

我成功地将 Unity 用于所有常规构造函数注入(inject)，例如存储库等，但我无法让它与 ASP.NET Identity 类一起使用。设置是这样的:

public class AccountController : ApiController
{
    private UserManager<ApplicationUser> _userManager { get; set; }

    public AccountController(UserManager<ApplicationUser> userManager)
    {
        if (userManager == null) { throw new ArgumentNullException("userManager"); }
        _userManager = userManager;
    }

    // ...
}

Unity 的这些配置:

unity.RegisterType<AccountController>();
unity.RegisterType<UserManager<ApplicationUser>>(new HierarchicalLifetimeManager());
unity.RegisterType<IUserStore<ApplicationUser>, UserStore<ApplicationUser>>(new HierarchicalLifetimeManager());

这与此处针对 Autofac 的其他帖子相同，例如 Ninject，但它不适用于我的情况。错误信息是:

An error occurred when trying to create a controller of type 'AccountController'. Make sure that the controller has a parameterless public constructor. Manual creation works of course:

public AccountController()
    : this(new UserManager<ApplicationUser>(new UserStore<ApplicationUser>("Mongo")))
{
}

怎么了？

更新

正如@emodendroket 所建议的那样，将代码缩短到这个程度就可以了。不需要 Unity.Mvc 包。

unity.RegisterType<IUserStore<IdentityUser>, 
  MyCustomUserStore>(new HierarchicalLifetimeManager());

和

public AccountController(UserManager<IdentityUser> _userManager,
  IAccountRepository _account)
{
    // ...

Answer 1

您还需要解析 UserManager。以下是如何使用 UserManager 和 RoleManager 执行此操作的示例。在此示例中，我使用常规的 Unity 3 程序包，而不是派生程序或 Bootstrap 之一(过去使用它们时遇到过一些问题)。

账户 Controller

private readonly UserManager<ApplicationUser> _userManager;

private readonly RoleManager<IdentityRole> _roleManager;

public AccountController(IUserStore<ApplicationUser> userStore, IRoleStore<IdentityRole> roleStore)
{
  _userManager = new UserManager<ApplicationUser>(userStore);
  _roleManager = new RoleManager<IdentityRole>(roleStore);
}

Unity Bootstrap

var accountInjectionConstructor = new InjectionConstructor(new IdentitySampleDbModelContext(configurationStore));
container.RegisterType<IUserStore<ApplicationUser>, UserStore<ApplicationUser>>(accountInjectionConstructor);
container.RegisterType<IRoleStore<IdentityRole>, RoleStore<IdentityRole>>(accountInjectionConstructor);