update nach Schuelererfassung

BlazorApp - Kopie (4)/Areas/Identity/Pages/Account/ConfirmEmailChange.cshtml.cs

@@ -0,0 +1,64 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Identity;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.AspNetCore.Mvc.RazorPages;
+using Microsoft.AspNetCore.WebUtilities;
+
+namespace BlazorApp.Areas.Identity.Pages.Account
+{
+    [AllowAnonymous]
+    public class ConfirmEmailChangeModel : PageModel
+    {
+        private readonly UserManager<IdentityUser> _userManager;
+        private readonly SignInManager<IdentityUser> _signInManager;
+
+        public ConfirmEmailChangeModel(UserManager<IdentityUser> userManager, SignInManager<IdentityUser> signInManager)
+        {
+            _userManager = userManager;
+            _signInManager = signInManager;
+        }
+
+        [TempData]
+        public string StatusMessage { get; set; }
+
+        public async Task<IActionResult> OnGetAsync(string userId, string email, string code)
+        {
+            if (userId == null || email == null || code == null)
+            {
+                return RedirectToPage("/Index");
+            }
+
+            var user = await _userManager.FindByIdAsync(userId);
+            if (user == null)
+            {
+                return NotFound($"Unable to load user with ID '{userId}'.");
+            }
+
+            code = Encoding.UTF8.GetString(WebEncoders.Base64UrlDecode(code));
+            var result = await _userManager.ChangeEmailAsync(user, email, code);
+            if (!result.Succeeded)
+            {
+                StatusMessage = "Error changing email.";
+                return Page();
+            }
+
+            // In our UI email and user name are one and the same, so when we update the email
+            // we need to update the user name.
+            var setUserNameResult = await _userManager.SetUserNameAsync(user, email);
+            if (!setUserNameResult.Succeeded)
+            {
+                StatusMessage = "Error changing user name.";
+                return Page();
+            }
+
+            await _signInManager.RefreshSignInAsync(user);
+            StatusMessage = "Thank you for confirming your email change.";
+            return Page();
+        }
+    }
+}