public async Task <IActionResult> OnGetAsync(string userId, string email, string code)
{
// Check if the user ID, e-mail and code aren't provided.
if (string.IsNullOrEmpty(userId) || string.IsNullOrEmpty(email) || string.IsNullOrEmpty(code))
{
// Display an error.
TempData["StatusMessage"] = "Error: The confirmation link is not valid. Please try to paste the link manually into the browser address bar.";
// Redirect to the home page.
return(RedirectToPage("/Index"));
}
// Get the user with the provided user ID.
var user = await _userManager.FindByIdAsync(userId);
// Check if there wasn't any user found.
if (user == null)
{
// Display an error.
TempData["StatusMessage"] = "Error: The user ID in the confirmation link is not valid. Please try to paste the link manually into the browser address bar.";
// Redirect to the home page.
return(RedirectToPage("/Index"));
}
// Check if an account with the new e-mail address already exists.
if (await _userManager.FindByEmailAsync(email) != null)
{
// Add an error to the model.
ModelState.AddModelError(string.Empty, "An account with the new e-mail address already exists.");
// Return the page.
return(Page());
}
// Get the current e-mail of the user.
var oldEmail = user.Email;
// Try to change the e-mail using the provided code.
var result = await _userManager.ChangeEmailAsync(user, email, code);
// Check if the confirmation failed.
if (!result.Succeeded)
{
// Display an error.
TempData["StatusMessage"] = "Error: The e-mail or the confirmation code in the link are not valid. Please try to paste the link manually into the browser address bar.";
// Redirect to the home page.
return(RedirectToPage("/Index"));
}
// Define a new task.
var usersTask = new UsersTask
{
Items = new List <UserInputModel>
{
new UserInputModel
{
Id = user.Id,
Email = user.Email,
EmailConfirmed = true
}
}
};
// Try to run the task.
try
{
// Run the task.
await usersTask.EditAsync(_serviceProvider, CancellationToken.None);
}
catch (Exception)
{
// Display an error.
TempData["StatusMessage"] = "Error: There was an error with setting the new e-mail address.";
// Redirect to the home page.
return(RedirectToPage("/Index"));
}
// Define a new view model for the e-mail.
var emailChangedEmailViewModel = new EmailEmailChangedViewModel
{
OldEmail = oldEmail,
NewEmail = user.Email,
Url = _linkGenerator.GetUriByPage(HttpContext, "/Account/Index", handler: null, values: null),
ApplicationUrl = _linkGenerator.GetUriByPage(HttpContext, "/Index", handler: null, values: null)
};
// Send the e-mail changed e-mail to the user.
await _emailSender.SendEmailChangedEmailAsync(emailChangedEmailViewModel);
// Re-sign in the user to update the changes.
await _signInManager.RefreshSignInAsync(user);
// Display a message to the user.
TempData["StatusMessage"] = "Success: Thank you for confirming your e-mail. You can now log in and use the application.";
// Redirect to the login page.
return(RedirectToPage("/Identity/Login"));
}
public async Task <IActionResult> OnPost()
{
// Check if there isn't any ID provided.
if (string.IsNullOrEmpty(Input.Id))
{
// Display a message.
TempData["StatusMessage"] = "Error: No ID has been provided.";
// Redirect to the index page.
return(RedirectToPage("/Administration/Accounts/Users/Index"));
}
// Define the query.
var query = _context.Users
.Where(item => item.Id == Input.Id);
// Define the view.
View = new ViewModel
{
User = query
.FirstOrDefault()
};
// Check if the item hasn't been found.
if (View.User == null)
{
// Display a message.
TempData["StatusMessage"] = "Error: No item could be found with the provided ID.";
// Redirect to the index page.
return(RedirectToPage("/Administration/Accounts/Users/Index"));
}
// Check if the provided model isn't valid.
if (!ModelState.IsValid)
{
// Add an error to the model.
ModelState.AddModelError(string.Empty, "An error has been encountered. Please check again the input fields.");
// Redisplay the page.
return(Page());
}
// Define a new task.
var task = new UsersTask
{
Items = new List <UserInputModel>
{
new UserInputModel
{
Id = Input.Id,
Email = Input.Email,
EmailConfirmed = Input.EmailConfirmed
}
}
};
// Try to run the task.
try
{
// Run the task.
await task.EditAsync(_serviceProvider, CancellationToken.None);
}
catch (Exception exception)
{
// Add an error to the model.
ModelState.AddModelError(string.Empty, exception.Message);
// Redisplay the page.
return(Page());
}
// Display a message.
TempData["StatusMessage"] = $"Success: 1 user updated successfully.";
// Redirect to the index page.
return(RedirectToPage("/Administration/Accounts/Users/Index"));
}