public async Task <IActionResult> LinkLoginCallback(string returnUrl)
{
var userModelResult = m_usersManager.GetUserById(int.Parse(User.Identity.GetSubjectId()));
if (userModelResult.HasError)
{
ModelState.AddModelError(userModelResult.Error.Message);
return(!returnUrl.IsNullOrEmpty() ? GetRedirectReturnAction(returnUrl, userModelResult.Error.Code) : View("Error"));
}
var user = m_mapper.Map <ApplicationUser>(userModelResult.Result);
if (user == null)
{
return(!returnUrl.IsNullOrEmpty() ? GetRedirectReturnAction(returnUrl) : View("Error"));
}
var info = await m_signInManager.GetExternalLoginInfoAsync(
await m_userStore.GetUserIdAsync(user, CancellationToken.None)
);
if (info == null)
{
return(!returnUrl.IsNullOrEmpty()
? GetRedirectReturnAction(returnUrl)
: RedirectToAction(nameof(Edit), new { id = User.Identity.GetSubjectId() }));
}
var userModel = m_mapper.Map <UserModel>(user);
var resultCreateLink = m_usersManager.CreateExternalLogin(
userModel.Id, info.LoginProvider, info.ProviderKey
);
if (resultCreateLink.HasError)
{
return(!returnUrl.IsNullOrEmpty() ? GetRedirectReturnAction(returnUrl, resultCreateLink.Error.Code) : View("Error"));
}
return(Redirect(returnUrl));
}
