[8042] | 1 | #region License Information
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| 2 | /* HeuristicLab
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[15584] | 3 | * Copyright (C) 2002-2018 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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[8042] | 4 | *
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| 5 | * This file is part of HeuristicLab.
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| 6 | *
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| 7 | * HeuristicLab is free software: you can redistribute it and/or modify
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| 8 | * it under the terms of the GNU General Public License as published by
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| 9 | * the Free Software Foundation, either version 3 of the License, or
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| 10 | * (at your option) any later version.
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| 11 | *
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| 12 | * HeuristicLab is distributed in the hope that it will be useful,
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| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 15 | * GNU General Public License for more details.
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| 16 | *
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| 17 | * You should have received a copy of the GNU General Public License
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| 18 | * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
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| 19 | */
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| 20 | #endregion
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| 21 |
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| 22 | using System;
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| 23 | using System.ServiceModel.Security;
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[8076] | 24 | using System.Threading.Tasks;
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[8042] | 25 |
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| 26 | namespace HeuristicLab.Clients.Access {
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| 27 | public sealed class UserInformation {
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[8043] | 28 | public const string AdministratorRoleName = "AccessService Administrator";
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| 29 |
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[8042] | 30 | private static UserInformation instance;
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| 31 | public static UserInformation Instance {
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| 32 | get {
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[8076] | 33 | InitializeUserInformation();
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[8042] | 34 | return instance;
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| 35 | }
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| 36 | }
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| 37 |
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| 38 | private string userName;
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| 39 | public string UserName {
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| 40 | get { return userName; }
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| 41 | }
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| 42 |
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| 43 | private bool userExists = false;
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| 44 | public bool UserExists {
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| 45 | get { return userExists; }
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| 46 | }
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| 47 |
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| 48 | private LightweightUser user;
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| 49 | public LightweightUser User {
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| 50 | get { return user; }
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| 51 | }
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| 52 |
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| 53 | private bool errorOccured;
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| 54 | public bool ErrorOccured {
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| 55 | get { return errorOccured; }
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| 56 | }
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| 57 |
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| 58 | private Exception occuredException;
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| 59 | public Exception OccuredException {
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| 60 | get { return occuredException; }
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| 61 | }
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| 62 |
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| 63 | private UserInformation() {
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[8076] | 64 | if (instance == null) {
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| 65 | FetchUserInformationFromServer();
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| 66 | }
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[8042] | 67 | }
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| 68 |
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| 69 | private void FetchUserInformationFromServer() {
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| 70 | userName = HeuristicLab.Clients.Common.Properties.Settings.Default.UserName;
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| 71 |
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| 72 | try {
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| 73 | AccessClient.CallAccessService(x => user = x.Login());
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| 74 | errorOccured = false;
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| 75 | userExists = true;
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| 76 | occuredException = null;
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| 77 | }
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| 78 | catch (MessageSecurityException e) {
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| 79 | //wrong username or password
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| 80 | errorOccured = false;
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| 81 | userExists = false;
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| 82 | occuredException = e;
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| 83 | }
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| 84 | catch (Exception e) {
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| 85 | errorOccured = true;
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| 86 | userExists = false;
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| 87 | occuredException = e;
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| 88 | }
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| 89 | }
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| 90 |
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| 91 | public void Refresh() {
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| 92 | FetchUserInformationFromServer();
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| 93 | }
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[8076] | 94 |
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| 95 | private static void InitializeUserInformation() {
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| 96 | if (instance == null) instance = new UserInformation();
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| 97 | }
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| 98 |
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| 99 | public static void InitializeAsync() {
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| 100 | Task.Factory.StartNew(InitializeUserInformation);
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| 101 | }
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[8042] | 102 | }
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| 103 | }
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