#region License Information
/* HeuristicLab
* Copyright (C) 2002-2012 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
*
* This file is part of HeuristicLab.
*
* HeuristicLab is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* HeuristicLab is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with HeuristicLab. If not, see .
*/
#endregion
using System;
using System.Collections.Generic;
using System.ServiceModel.Security;
using HeuristicLab.Clients.Common.Properties;
namespace HeuristicLab.Clients.Access {
public sealed class UserInformation {
private static UserInformation instance;
public static UserInformation Instance {
get {
if (instance == null) instance = new UserInformation();
return instance;
}
}
private string userName;
public string UserName {
get { return userName; }
}
private bool userExists = false;
public bool UserExists {
get { return userExists; }
}
private LightweightUser user;
public LightweightUser User {
get { return user; }
}
//the groups a user is in
private List groups;
public List Groups {
get { return groups; }
}
//the roles a user has
private List roles;
public List Roles {
get { return roles; }
}
private bool errorOccured;
public bool ErrorOccured {
get { return errorOccured; }
}
private Exception occuredException;
public Exception OccuredException {
get { return occuredException; }
}
private UserInformation() {
//this blocks, so there should be anywhere in the Optimizer startup process
//a call to FetchUserInformationFromServerAsync which is non-blocking
FetchUserInformationFromServer();
}
private void FetchUserInformationFromServer() {
userName = Settings.Default.UserName;
try {
AccessClient.CallAccessService(x => user = x.Login());
AccessClient.CallAccessService(x => groups = x.GetGroupsOfCurrentUser());
AccessClient.CallAccessService(x => roles = x.GetRolesOfCurrentUser());
errorOccured = false;
userExists = true;
occuredException = null;
}
catch (MessageSecurityException e) {
//wrong username or password
errorOccured = false;
userExists = false;
occuredException = e;
}
catch (Exception e) {
errorOccured = true;
userExists = false;
occuredException = e;
}
}
public void Refresh() {
FetchUserInformationFromServer();
}
}
}