private void PerformLogin()
{
AuthorizationInfo info = new AuthorizationInfo(UserName, Password);
Task <User> validateUserTask = Task.Factory.StartNew <User>(() =>
{
PasswordHelper passwordHelper = new PasswordHelper();
string hashedPassword = passwordHelper.CreateBase64Hash(Password);
return(dataService.ValidateCredentials(UserName, hashedPassword));
}, TaskScheduler.Default);
Task finishTask = validateUserTask.ContinueWith((t) =>
{
IsBusy = false;
User user = t.Result;
if (user != null)
{
dataService.UserLoggedIn(user);
CurrentUser.Assign(user);
eventAggregator.GetEvent <LoginSucceededEvent>().Publish(info);
}
else
{
eventAggregator.GetEvent <LoginFailedEvent>().Publish(info);
Notify("Authorization failed. Invalid user name and(or) password.", NotificationType.Error);
}
}, TaskScheduler.FromCurrentSynchronizationContext());
}
public override void OnSuccessCommand(object parameter)
{
if (!ValidateBeforeSave(parameter))
{
Notify("Please fill all required fields", NotificationType.Warning);
return;
}
if (dataService.UserExists(UserName))
{
Notify("Registration failed. User with given name already exists. Name=" + UserName, NotificationType.Error);
return;
}
IsBusy = true;
Task <bool> createUserTask = Task.Factory.StartNew <bool>(() =>
{
PasswordHelper passwordHelper = new PasswordHelper();
string hashedPassword = passwordHelper.CreateBase64Hash(Password);
User newUser = new User()
{
UserName = this.UserName,
Password = hashedPassword,
Settings = new UserSettings(null)
};
return(dataService.SaveUser(newUser));
}, TaskScheduler.Default);
Task <bool> createUserSettingsTask = createUserTask.ContinueWith <bool>((r) =>
{
if (!r.Result)
{
return(false);
}
else
{
//TODO
return(true);
}
}, CancellationToken.None, TaskContinuationOptions.None, TaskScheduler.Default);
Task finishTask = createUserSettingsTask.ContinueWith((t) =>
{
IsBusy = false;
bool success = t.Result;
if (success)
{
Notify("New user has been successfully created.", NotificationType.Success);
}
else
{
Notify("Can't create new user (internal error). Please see log for details.", NotificationType.Error);
}
DialogResult = true;
}, TaskScheduler.FromCurrentSynchronizationContext());
}
