c# - 在 Identity Asp.net core 3 MVC 中创建服务 IUserStore 时出错

Question

更新

请参阅下面的更新。

我问了一个previous stackoverflow question最近，但在从以下两个地方实现建议的解决方案后我遇到了一个问题 Identity model customization in ASP.NET Core和 Custom storage providers for ASP.NET Core Identity .我只是无法使解决方案起作用。我已经按照建议实现了 IdentityUser 的扩展和 IdentityRole 的扩展。我已经为 UserStore 实现了 IUserPasswordStore 和 IUserRoleStore 和 IUserStore 并且我已经实现了 IRoleStore对于 RoleStore。我还实现了新的 dbContext ApplicationDbContext，它实现了 IdentityDbContext。构造函数不接受参数存在一个问题，所以我实现了一个新的构造函数。我不确定这是否正确。

但这似乎无关紧要，因为我在调用时在 Program.cs 的 Main 方法中遇到错误

CreateHostBuilder(args).Build().Run(); 

而且错误很大。我把它放在最后了。在线搜索错误的各个部分并没有提供关于我在做什么的任何想法，因为我是 ASP.NET Core 3 和 Identity 的新手，所以我很困惑。

这是我目前的代码。

配置服务方法

public void ConfigureServices(IServiceCollection services)
    {
        services.AddControllersWithViews();
        services.AddMvc(options =>
        {
            var policy = new AuthorizationPolicyBuilder().RequireAuthenticatedUser().Build();
            options.Filters.Add(new AuthorizeFilter(policy));
        options.EnableEndpointRouting = false;
        });

        services.AddDbContext<EntitiesModel>(options => options.UseSqlServer(
            Configuration["Data:ConnectionStrings:XXXXDbConnection"]));
        services.AddIdentity<UserViewModel,RoleViewModel>().AddEntityFrameworkStores<ApplicationDbContext>()
            .AddDefaultTokenProviders().AddRoles<RoleViewModel>(); ;
        services.AddTransient<IUserStore<UserViewModel>, UserStore>();
        services.AddTransient<IRoleStore<RoleViewModel>, RoleStore>();
        services.ConfigureApplicationCookie(options =>
        {
            options.LoginPath = "/Login";
            options.LogoutPath = "/Logout";
        });
    }

ApplicationDbContext - 这些都在同一个命名空间中

public class IdentityDbContext
    : IdentityDbContext<IdentityUser, IdentityRole, string>
{
    public IdentityDbContext(DbContextOptions<ApplicationDbContext> options) : base(options)
    {
    }
}

public class IdentityDbContext<TUser>
    : IdentityDbContext<TUser, IdentityRole, string>
    where TUser : IdentityUser
{
    public IdentityDbContext(DbContextOptions<ApplicationDbContext> options) : base(options)
    {
    }
}

// Uses the built-in Identity types except with custom User and Role types
// The key type is defined by TKey
public class IdentityDbContext<TUser, TRole, TKey> : IdentityDbContext<
    TUser, TRole, TKey, IdentityUserClaim<TKey>, IdentityUserRole<TKey>,
    IdentityUserLogin<TKey>, IdentityRoleClaim<TKey>, IdentityUserToken<TKey>>
    where TUser : IdentityUser<TKey>
    where TRole : IdentityRole<TKey>
    where TKey : IEquatable<TKey>
{
    private DbContextOptions<ApplicationDbContext> options;
    //private string nameOrConnectionString;

    public IdentityDbContext(DbContextOptions<ApplicationDbContext> options)
    {
        this.options = options;
    }

}

public abstract class IdentityDbContext<
        TUser, TRole, TKey, TUserClaim, TUserRole, TUserLogin, TRoleClaim, TUserToken>
    : IdentityUserContext<TUser, TKey>
    where TUser : IdentityUser<TKey>
    where TRole : IdentityRole<TKey>
    where TKey : IEquatable<TKey>
    where TUserRole : IdentityUserRole<TKey>
{

}
public class ApplicationDbContext : IdentityDbContext<UserViewModel,RoleViewModel,int>
{
    public ApplicationDbContext(DbContextOptions<ApplicationDbContext> options)
        : base(options)
    {
    }

    protected override void OnModelCreating(ModelBuilder modelBuilder)
    {
        base.OnModelCreating(modelBuilder);

        modelBuilder.Entity<UserViewModel>(b =>
        {               
            b.HasMany(e => e.UserRoles)
                .WithOne()
                .HasForeignKey(ur => ur.Id)
                .IsRequired();
        });
        modelBuilder.Entity<UserViewModel>(b =>
        {
            b.ToTable("T_CustomerContacts");
        });
        modelBuilder.Entity<RoleViewModel>(b =>
        {
            b.ToTable("T_LoginRoles");
        });
        modelBuilder.Entity<UserRoleViewModel>(b =>
        {
            b.ToTable("T_CustomerContactRole");
        });         
        modelBuilder.Entity<RoleViewModel>(b =>
        {
            b.HasMany(e => e.UserRoles)
                .WithOne(e => e.Role)
                .HasForeignKey(ur => ur.RoleId)
                .IsRequired();
        });
    }
}

用户 View 模型

public class UserViewModel : IdentityUser<int>
{

UserRoleViewModel

public class UserRoleViewModel : IdentityUserRole<int>
{

RoleViewModel

public class RoleViewModel : IdentityRole<int>
{   

角色库

public class RoleStore : IRoleStore<RoleViewModel>
{

用户存储

public class UserStore : IUserStore<UserViewModel>, IUserPasswordStore<UserViewModel>, IUserRoleStore<UserRoleViewModel>
{

我必须补充一点，这是我尝试过的最终配置。我尝试了很多组合和解决方案。部分错误如下

An error occurred while starting the application. AggregateException: Some services are not able to be constructed (Error while validating the service descriptor 'ServiceType: Microsoft.AspNetCore.Identity.IUserStore1[TrussCorp.CustomerPortal.Models.ViewModel.Identity.UserViewModel] Lifetime: Scoped ImplementationType: Microsoft.AspNetCore.Identity.EntityFrameworkCore.UserStore4[TrussCorp.CustomerPortal.Models.ViewModel.Identity.UserViewModel,TrussCorp.CustomerPortal.Models.ViewModel.Identity.RoleViewModel,TrussCorp.CustomerPortal.Models.ViewModel.Identity.ApplicationDbContext,System.Int32]': Unable to resolve service for type 'TrussCorp.CustomerPortal.Models.ViewModel.Identity.ApplicationDbContext' while attempting to activate 'Microsoft.AspNetCore.Identity.EntityFrameworkCore.UserStore4[TrussCorp.CustomerPortal.Models.ViewModel.Identity.UserViewModel,TrussCorp.CustomerPortal.Models.ViewModel.Identity.RoleViewModel,TrussCorp.CustomerPortal.Models.ViewModel.Identity.ApplicationDbContext,System.Int32]'.) (Error while validating the service descriptor 'ServiceType: Microsoft.AspNetCore.Identity.IRoleStore1[TrussCorp.CustomerPortal.Models.ViewModel.Identity.RoleViewModel] Lifetime: Scoped ImplementationType: Microsoft.AspNetCore.Identity.EntityFrameworkCore.RoleStore3[TrussCorp.CustomerPortal.Models.ViewModel.Identity.RoleViewModel,TrussCorp.CustomerPortal.Models.ViewModel.Identity.ApplicationDbContext,System.Int32]': Unable to resolve service for type 'TrussCorp.CustomerPortal.Models.ViewModel.Identity.ApplicationDbContext' while attempting to activate 'Microsoft.AspNetCore.Identity.EntityFrameworkCore.RoleStore3[TrussCorp.CustomerPortal.Models.ViewModel.Identity.RoleViewModel,TrussCorp.CustomerPortal.Models.ViewModel.Identity.ApplicationDbContext,System.Int32]'.) Microsoft.Extensions.DependencyInjection.ServiceProvider..ctor(IEnumerable serviceDescriptors, ServiceProviderOptions options)

更新

我回到了我从上一个问题开始的地方，但是通过颠倒以下顺序解决了上述错误

    services.AddTransient<IUserStore<UserViewModel>, UserStore>();
        services.AddTransient<IRoleStore<RoleViewModel>, TrussCorp.CustomerPortal.Identity.RoleStore>();
        services.AddIdentity<UserViewModel,RoleViewModel>().AddEntityFrameworkStores<ApplicationDbContext>()
            .AddDefaultTokenProviders().AddRoles<RoleViewModel>();

但如前所述，我得到了 Store does not implement IUserRoleStore UserManager.GetUserRoleStore()错误让我回到原点。

Answer 1

我对其他开发人员的建议是，如果您在互联网上找不到类似的问题，那么您正在做一些愚蠢而独特的事情。

解决方案是改变这个

public class UserStore : IUserStore<UserViewModel>, IUserPasswordStore<UserViewModel>, IUserRoleStore<UserRoleViewModel>
{

为此

public class UserStore : IUserStore<UserViewModel>, IUserPasswordStore<UserViewModel>, IUserRoleStore<UserViewModel>
{