update nach Schuelererfassung

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

@@ -0,0 +1,83 @@
+using System;
+using System.ComponentModel.DataAnnotations;
+using System.Threading.Tasks;
+using Microsoft.AspNetCore.Identity;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.AspNetCore.Mvc.RazorPages;
+using Microsoft.Extensions.Logging;
+
+namespace BlazorApp.Areas.Identity.Pages.Account.Manage
+{
+    public class DeletePersonalDataModel : PageModel
+    {
+        private readonly UserManager<IdentityUser> _userManager;
+        private readonly SignInManager<IdentityUser> _signInManager;
+        private readonly ILogger<DeletePersonalDataModel> _logger;
+
+        public DeletePersonalDataModel(
+            UserManager<IdentityUser> userManager,
+            SignInManager<IdentityUser> signInManager,
+            ILogger<DeletePersonalDataModel> logger)
+        {
+            _userManager = userManager;
+            _signInManager = signInManager;
+            _logger = logger;
+        }
+
+        [BindProperty]
+        public InputModel Input { get; set; }
+
+        public class InputModel
+        {
+            [Required]
+            [DataType(DataType.Password)]
+            public string Password { get; set; }
+        }
+
+        public bool RequirePassword { get; set; }
+
+        public async Task<IActionResult> OnGet()
+        {
+            var user = await _userManager.GetUserAsync(User);
+            if (user == null)
+            {
+                return NotFound($"Unable to load user with ID '{_userManager.GetUserId(User)}'.");
+            }
+
+            RequirePassword = await _userManager.HasPasswordAsync(user);
+            return Page();
+        }
+
+        public async Task<IActionResult> OnPostAsync()
+        {
+            var user = await _userManager.GetUserAsync(User);
+            if (user == null)
+            {
+                return NotFound($"Unable to load user with ID '{_userManager.GetUserId(User)}'.");
+            }
+
+            RequirePassword = await _userManager.HasPasswordAsync(user);
+            if (RequirePassword)
+            {
+                if (!await _userManager.CheckPasswordAsync(user, Input.Password))
+                {
+                    ModelState.AddModelError(string.Empty, "Incorrect password.");
+                    return Page();
+                }
+            }
+
+            var result = await _userManager.DeleteAsync(user);
+            var userId = await _userManager.GetUserIdAsync(user);
+            if (!result.Succeeded)
+            {
+                throw new InvalidOperationException($"Unexpected error occurred deleting user with ID '{userId}'.");
+            }
+
+            await _signInManager.SignOutAsync();
+
+            _logger.LogInformation("User with ID '{UserId}' deleted themselves.", userId);
+
+            return Redirect("~/");
+        }
+    }
+}