Aaru.Server/Aaru.Server.New/Components/Account/IdentityUserAccessor.cs

using Microsoft.AspNetCore.Identity;
using Aaru.Server.New.Data;

namespace Aaru.Server.New.Components.Account;

internal sealed class IdentityUserAccessor
    (UserManager<ApplicationUser> userManager, IdentityRedirectManager redirectManager)
{
    public async Task<ApplicationUser> GetRequiredUserAsync(HttpContext context)
    {
        var user = await userManager.GetUserAsync(context.User);

        if(user is null)
        {
            redirectManager.RedirectToWithStatus("Account/InvalidUser",
                                                 $"Error: Unable to load user with ID '{userManager.GetUserId(context.User)}'.",
                                                 context);
        }

        return user;
    }
}