public async Task <IActionResult> SaveEmailAddress(PrincipalAuthorityEmailAddressViewModel model)
{
session.SetSubmittedPage(FormSection.SignUp, 1);
if (await accountCreationPostDataHandler.ExistsAsync(model.EmailAddress))
{
ViewData["doOverride"] = true;
ModelState.AddModelError("EmailAddress", "A user with this email address already exists in the system.");
}
if (!ModelState.IsValid)
{
return(View(GetViewPath(FormSection.SignUp, 1), model));
}
// Don't overwrite an unconfirmed user if we're currently editing that user
if (!model.EmailAddress.Equals(session.GetString(CurrentPaEmail),
StringComparison.InvariantCultureIgnoreCase))
{
await accountCreationPostDataHandler.DeleteIfUnconfirmedAsync(model.EmailAddress);
}
session.SetString(CurrentPaEmail, model.EmailAddress);
await accountCreationPostDataHandler.UpdateAsync(model.EmailAddress, model);
return(CheckParentValidityAndRedirect(1));
}