hcs/Hcs.WebApp/Controllers/IdentityController.cs

using Hcs.WebApp.Data;
using Microsoft.AspNetCore.Identity;
using Microsoft.AspNetCore.Mvc;
using Radzen;

namespace Hcs.WebApp.Controllers
{
    [Route("identity/[action]")]
    public class IdentityController(
        IUserStore<AppUser> userStore,
        UserManager<AppUser> userManager,
        SignInManager<AppUser> signInManager) : Controller
    {
        private readonly IUserStore<AppUser> userStore = userStore;
        private readonly UserManager<AppUser> userManager = userManager;
        private readonly SignInManager<AppUser> signInManager = signInManager;

        [HttpPost]
        public async Task<IActionResult> Register(string userName, string password, string returnUrl)
        {
            var user = Activator.CreateInstance<AppUser>();
            await userStore.SetUserNameAsync(user, userName, CancellationToken.None);

            var result = await userManager.CreateAsync(user, password);
            if (!result.Succeeded)
            {
                var errors = string.Join(", ", result.Errors.Select(error => error.Description));
                if (!string.IsNullOrEmpty(returnUrl))
                {
                    return Redirect($"/account/register?errors={errors}&returnUrl={Uri.EscapeDataString(returnUrl)}");
                }
                else
                {
                    return Redirect($"/account/register?errors={errors}");
                }
            }

            await signInManager.SignInAsync(user, isPersistent: false);

            if (string.IsNullOrEmpty(returnUrl))
            {
                Redirect("/");
            }

            return Redirect(returnUrl);
        }

        public async Task<IActionResult> Logout()
        {
            await signInManager.SignOutAsync();

            return Redirect("/");
        }
    }
}