Using ASP.NET Identity in an ASP.NET Core MVC application without Entity Framework and Migrations

Question

Is it possible to use ASP.NET Identity without Entity Framework and Entity Framework migrations? The rest of my application will be using a Micro ORM for data access. However, the application is using the built in ASP.NET Identity Individual User accounts.

My goal is to still be able to use the built in UserManager and LoginManager classes and additionally retrieve a list of the Users using the Micro ORM and do away with anything to do with EF/Migrations. Is this possible? It doesn't seem like it is since the original database structure is created by Applying the initial migration.

If someone has a good technique for doing this, please share.

Answer 1

First you need to create a custom user Store:

public class UserStore : IUserStore<IdentityUser>,
                         IUserClaimStore<IdentityUser>,
                         IUserLoginStore<IdentityUser>,
                         IUserRoleStore<IdentityUser>,
                         IUserPasswordStore<IdentityUser>,
                         IUserSecurityStampStore<IdentityUser>
{
    // interface implementations not shown
}

Then you need to register it into the dependency injection container:

// Add identity types
services.AddIdentity<ApplicationUser, ApplicationRole>()
    .AddDefaultTokenProviders();

// Identity Services
services.AddTransient<IUserStore<ApplicationUser>, CustomUserStore>();
services.AddTransient<IRoleStore<ApplicationRole>, CustomRoleStore>();

This is documented here.