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());
}