2 /* -----------------------------------------------------------------------
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3 * <copyright file="PreferencesViewModel.cs" company="GRNet">
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5 * Copyright 2011-2012 GRNET S.A. All rights reserved.
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7 * Redistribution and use in source and binary forms, with or
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8 * without modification, are permitted provided that the following
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9 * conditions are met:
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11 * 1. Redistributions of source code must retain the above
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12 * copyright notice, this list of conditions and the following
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15 * 2. Redistributions in binary form must reproduce the above
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16 * copyright notice, this list of conditions and the following
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17 * disclaimer in the documentation and/or other materials
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18 * provided with the distribution.
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21 * THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
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22 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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23 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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24 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
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25 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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26 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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27 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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28 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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29 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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31 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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32 * POSSIBILITY OF SUCH DAMAGE.
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34 * The views and conclusions contained in the software and
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35 * documentation are those of the authors and should not be
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36 * interpreted as representing official policies, either expressed
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37 * or implied, of GRNET S.A.
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39 * -----------------------------------------------------------------------
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44 using System.Collections.Concurrent;
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45 using System.Collections.Generic;
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46 using System.Collections.Specialized;
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47 using System.ComponentModel.Composition;
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48 using System.Diagnostics;
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51 using System.Reflection;
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52 using System.Threading.Tasks;
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53 using System.Windows;
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54 using System.Windows.Forms;
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55 using Caliburn.Micro;
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56 using Pithos.Client.WPF.Configuration;
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57 using Pithos.Client.WPF.Properties;
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58 using Pithos.Client.WPF.SelectiveSynch;
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59 using Pithos.Client.WPF.Utils;
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61 using Pithos.Core.Agents;
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62 using Pithos.Interfaces;
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65 using Pithos.Network;
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66 using MessageBox = System.Windows.MessageBox;
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67 using Screen = Caliburn.Micro.Screen;
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69 namespace Pithos.Client.WPF.Preferences
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72 /// The preferences screen displays user and account settings and updates the PithosMonitor
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73 /// classes when account settings change.
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76 /// The class is a single ViewModel for all Preferences tabs. It can be broken in separate
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77 /// ViewModels, one for each tab.
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79 [Export, PartCreationPolicy(CreationPolicy.Shared)]
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80 public class PreferencesViewModel : Screen
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82 private readonly IEventAggregator _events;
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84 //Logging in the Pithos client is provided by log4net
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85 private static readonly log4net.ILog Log = log4net.LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
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87 private PithosSettings _settings;
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88 public PithosSettings Settings
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90 get { return _settings; }
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94 NotifyOfPropertyChange(()=>Settings);
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98 private ObservableConcurrentCollection<AccountViewModel> _accounts;
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99 public ObservableConcurrentCollection<AccountViewModel> Accounts
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101 get { return _accounts; }
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105 NotifyOfPropertyChange(()=>Accounts);
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109 public bool StartOnSystemStartup { get; set; }
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111 public ShellViewModel Shell { get; set; }
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112 //ShellExtensionController _extensionController=new ShellExtensionController();
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114 [ImportingConstructor]
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115 public PreferencesViewModel(IWindowManager windowManager, IEventAggregator events, ShellViewModel shell, PithosSettings settings)
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117 this.DisplayName = "Pithos+ Preferences";
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119 // ReSharper disable DoNotCallOverridableMethodsInConstructor
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120 //Caliburn.Micro uses DisplayName for the view's title
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121 DisplayName = "Pithos+ Preferences";
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122 // ReSharper restore DoNotCallOverridableMethodsInConstructor
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124 _windowManager = windowManager;
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130 Accounts = new ObservableConcurrentCollection<AccountViewModel>();
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133 var startupPath = Environment.GetFolderPath(Environment.SpecialFolder.Startup);
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134 _shortcutPath = Path.Combine(startupPath, "Pithos.lnk");
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137 StartOnSystemStartup = File.Exists(_shortcutPath);
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139 //SelectedTab = currentTab;
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142 protected override void OnViewLoaded(object view)
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144 base.OnViewLoaded(view);
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148 if (Settings.Accounts == null)
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150 Settings.Accounts = new AccountsCollection();
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153 var accountVMs = from account in Settings.Accounts
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154 select new AccountViewModel(account);
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156 Accounts.AddFromEnumerable(accountVMs);
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159 private string _selectedTab="General";
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160 public string SelectedTab
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162 get { return _selectedTab; }
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165 _selectedTab = value??"GeneralTab";
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166 NotifyOfPropertyChange(()=>SelectedTab);
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167 NotifyOfPropertyChange(() => AccountTabSelected);
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172 public bool AccountTabSelected
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174 get { return _selectedTab == "AccountTab"; }
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176 #region Preferences Properties
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178 private bool _noProxy;
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179 public bool NoProxy
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181 get { return _noProxy; }
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185 NotifyOfPropertyChange(()=>NoProxy);
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190 private bool _defaultProxy;
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192 public bool DefaultProxy
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194 get { return _defaultProxy; }
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197 _defaultProxy = value;
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198 NotifyOfPropertyChange(() => DefaultProxy);
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203 private bool _manualProxy;
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205 public bool ManualProxy
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207 get { return _manualProxy; }
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210 _manualProxy = value;
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211 NotifyOfPropertyChange(() => ManualProxy);
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217 public int StartupDelay
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219 get { return (int) Settings.StartupDelay.TotalMinutes; }
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223 throw new ArgumentOutOfRangeException("value",Resources.PreferencesViewModel_StartupDelay_Greater_or_equal_to_0);
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224 Settings.StartupDelay = TimeSpan.FromMinutes(value);
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225 NotifyOfPropertyChange(()=>StartupDelay);
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231 public bool CanSelectiveSyncFolders
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233 get { return CurrentAccount != null && CurrentAccount.SelectiveSyncEnabled; }
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236 public void SelectiveSyncFolders()
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238 //var monitor = Shell.Monitors[CurrentAccount.AccountKey];
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241 var model = new SelectiveSynchViewModel(_events,CurrentAccount.Account,CurrentAccount.ApiKey,false);
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242 if (_windowManager.ShowDialog(model) == true)
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248 /* private bool _networkTracing;
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249 public bool NetworkTracing
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251 get { return _networkTracing; }
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254 _networkTracing = value;
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259 public void RefreshApiKey()
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261 //_events.Publish(new Notification { Title = "Authorization failed", Message = "Your API Key has probably expired. You will be directed to a page where you can renew it", Level = TraceLevel.Error });
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262 if (CurrentAccount == null)
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267 var name = CurrentAccount.AccountName;
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269 var loginUri = new Uri(CurrentAccount.ServerUrl).Combine("login");
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270 var credentials = PithosAccount.RetrieveCredentials(loginUri.ToString(),name);
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271 if (credentials==null)
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273 //The server will return credentials for a different account, not just the current account
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274 //We need to find the correct account first
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275 var account = Accounts.First(act => act.AccountName == credentials.UserName && act.ServerUrl == CurrentAccount.ServerUrl);
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276 account.ApiKey = credentials.Password;
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277 account.IsExpired = false;
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279 TaskEx.Delay(10000).ContinueWith(_ =>Shell.MonitorAccount(account.Account));
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280 NotifyOfPropertyChange(() => Accounts);
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282 catch (AggregateException exc)
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284 string message = String.Format("API Key retrieval failed");
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285 Log.Error(message, exc.InnerException);
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286 _events.Publish(new Notification { Title = "Authorization failed", Message = message, Level = TraceLevel.Error });
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288 catch (Exception exc)
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290 string message = String.Format("API Key retrieval failed");
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291 Log.Error(message, exc);
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292 _events.Publish(new Notification { Title = "Authorization failed", Message = message, Level = TraceLevel.Error });
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298 public void OpenLogPath()
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300 Shell.OpenLogPath();
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303 public void OpenLogConsole()
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305 var logView=IoC.Get<LogConsole.LogConsoleViewModel>();
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306 _windowManager.ShowWindow(logView);
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309 public void SaveChanges()
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312 TryClose(/*true*/);
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315 public void RejectChanges()
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318 TryClose(/*false*/);
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321 public void ApplyChanges()
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326 private void DoSave()
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328 //SetStartupMode();
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330 //Ensure we save the settings changes first
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331 foreach (var account in _accountsToRemove)
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333 Settings.Accounts.Remove(account);
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336 foreach (var account in _accountsToAdd)
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338 Settings.Accounts.Add(account);
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346 foreach (var account in _accountsToRemove)
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348 Shell.RemoveMonitor(account.ServerUrl, account.AccountName);
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349 Shell.RemoveAccountFromDatabase(account);
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352 foreach (var account in Settings.Accounts)
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354 Shell.MonitorAccount(account);
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357 var poller=IoC.Get<PollAgent>();
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362 _accountsToRemove.Clear();
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363 _accountsToAdd.Clear();
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366 NotifyOfPropertyChange(()=>Settings);
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368 if (IgnoreCertificateErrors)
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369 ServicePointManager.ServerCertificateValidationCallback= (sender,certificate,chain,errors)=> true;
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372 ServicePointManager.ServerCertificateValidationCallback = null;
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376 /* public void ChangePithosFolder()
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378 var browser = new FolderBrowserDialog();
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379 browser.SelectedPath = Settings.PithosPath;
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380 var result = browser.ShowDialog((IWin32Window)GetView());
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381 if (result == DialogResult.OK)
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383 var newPath = browser.SelectedPath;
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384 var accountName = CurrentAccount.AccountName;
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385 var monitor = Shell.Monitors[accountName];
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388 Shell.Monitors.Remove(accountName);
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390 Directory.Move(Settings.PithosPath, newPath);
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391 Settings.PithosPath = newPath;
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394 Shell.MonitorAccount(CurrentAccount);
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396 NotifyOfPropertyChange(() => Settings);
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402 readonly List<AccountSettings> _accountsToAdd=new List<AccountSettings>();
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403 public void AddAccount()
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405 var wizard = new AddAccountViewModel();
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406 if (_windowManager.ShowDialog(wizard) == true)
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410 string selectedPath = wizard.AccountPath;
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411 var initialRootPath = wizard.ShouldCreateOkeanosFolder?
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412 Path.Combine(selectedPath, "Okeanos")
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414 var actualRootPath= initialRootPath;
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415 if (wizard.ShouldCreateOkeanosFolder)
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418 while (Directory.Exists(actualRootPath) || File.Exists(actualRootPath))
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420 actualRootPath = String.Format("{0} {1}", initialRootPath, attempt++);
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426 var account = Accounts.FirstOrDefault(act => act.AccountName == wizard.AccountName && act.ServerUrl == wizard.CurrentServer);
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427 if (account != null)
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429 if (MessageBox.Show("The account you specified already exists. Do you want to update it?", "The account exists") == MessageBoxResult.Yes)
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431 account.ApiKey = wizard.Token;
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432 account.IsExpired = false;
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433 CurrentAccount = account;
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438 var newAccount = new AccountSettings
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440 AccountName = wizard.AccountName,
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441 ServerUrl = wizard.CurrentServer,
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442 ApiKey = wizard.Token,
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443 RootPath = actualRootPath,
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444 IsActive = wizard.IsAccountActive,
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448 var client = new CloudFilesClient(newAccount.AccountName, newAccount.ApiKey)
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450 AuthenticationUrl = newAccount.ServerUrl, UsePithos = true
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453 InitializeSelectiveFolders(newAccount, client);
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456 //TODO:Add the "pithos" container as a default selection
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458 _accountsToAdd.Add(newAccount);
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459 var accountVm = new AccountViewModel(newAccount);
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460 (Accounts as IProducerConsumerCollection<AccountViewModel>).TryAdd(accountVm);
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461 CurrentAccount = accountVm;
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463 NotifyOfPropertyChange(() => Accounts);
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464 NotifyOfPropertyChange(() => Settings);
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466 catch (WebException exc)
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468 Log.ErrorFormat("[Add Account] Connectivity Error: {0}", exc);
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469 MessageBox.Show("Unable to connect to Pithos. Please try again later", "Connectivity Error",
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470 MessageBoxButton.OK, MessageBoxImage.Exclamation);
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478 private void InitializeSelectiveFolders(AccountSettings newAccount, CloudFilesClient client,int retries=3)
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482 client.Authenticate();
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484 var containers = client.ListContainers(newAccount.AccountName);
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485 var containerUris = from container in containers
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486 select String.Format(@"{0}/v1/{1}/{2}",
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487 newAccount.ServerUrl, newAccount.AccountName,
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490 newAccount.SelectiveFolders.AddRange(containerUris.ToArray());
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492 var objectInfos = (from container in containers
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493 from dir in client.ListObjects(newAccount.AccountName, container.Name)
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494 where container.Name.ToString() != "trash"
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495 select dir).ToList();
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496 var tree = objectInfos.ToTree();
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498 var selected = (from root in tree
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500 select child.Uri.ToString()).ToArray();
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501 newAccount.SelectiveFolders.AddRange(selected);
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503 catch (WebException)
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506 InitializeSelectiveFolders(newAccount,client,retries-1);
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513 public void AddPithosAccount()
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515 var credentials=PithosAccount.RetrieveCredentials(null);
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516 if (credentials == null)
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518 var account = Settings.Accounts.FirstOrDefault(act => act.AccountName == credentials.UserName);
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519 var accountVM = new AccountViewModel(account);
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520 if (account == null)
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522 account=new AccountSettings{
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523 AccountName=credentials.UserName,
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524 ApiKey=credentials.Password
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526 Settings.Accounts.Add(account);
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527 accountVM = new AccountViewModel(account);
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528 (Accounts as IProducerConsumerCollection<AccountViewModel>).TryAdd(accountVM);
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532 account.ApiKey=credentials.Password;
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534 //SelectedAccountIndex= Settings.Accounts.IndexOf(account);
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535 CurrentAccount = accountVM;
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536 NotifyOfPropertyChange(() => Accounts);
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537 NotifyOfPropertyChange(()=>Settings);
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542 readonly List<AccountSettings> _accountsToRemove = new List<AccountSettings>();
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543 public void RemoveAccount()
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545 Accounts.TryRemove(CurrentAccount);
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546 _accountsToRemove.Add(CurrentAccount.Account);
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548 CurrentAccount = null;
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549 NotifyOfPropertyChange(() => Accounts);
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552 //NotifyOfPropertyChange("Settings.Accounts");
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555 public bool CanRemoveAccount
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557 get { return (CurrentAccount != null); }
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560 public bool CanClearAccountCache
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562 get { return (CurrentAccount != null); }
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565 public void ClearAccountCache()
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567 if (MessageBoxResult.Yes == MessageBox.Show("You are about to delete all partially downloaded files from the account's cache.\n" +
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568 " You will have to download all partially downloaded data again\n" +
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569 "This change can not be undone\n\n" +
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570 "Do you wish to delete all partially downloaded data?", "Warning! Clearing account cache",
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571 MessageBoxButton.YesNo,MessageBoxImage.Question,MessageBoxResult.No))
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574 var cachePath = Path.Combine(CurrentAccount.RootPath, FolderConstants.CacheFolder);
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575 var dir = new DirectoryInfo(cachePath);
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576 //The file may not exist if we just created the account
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579 dir.EnumerateFiles().Apply(file=>file.Delete());
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580 dir.EnumerateDirectories().Apply(folder => folder.Delete(true));
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585 public bool ExtensionsActivated
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587 get { return Settings.ExtensionsActivated; }
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590 if (Settings.ExtensionsActivated == value)
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593 Settings.ExtensionsActivated = value;
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597 _extensionController.RegisterExtensions();
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600 _extensionController.UnregisterExtensions();
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603 NotifyOfPropertyChange(() => ExtensionsActivated);
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607 public bool DebugLoggingEnabled
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609 get { return Settings.DebugLoggingEnabled; }
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611 Settings.DebugLoggingEnabled = value;
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612 NotifyOfPropertyChange(()=>DebugLoggingEnabled);
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616 public bool IgnoreCertificateErrors
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618 get { return Settings.IgnoreCertificateErrors; }
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620 Settings.IgnoreCertificateErrors = value;
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621 NotifyOfPropertyChange(() => IgnoreCertificateErrors);
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627 /* private int _selectedAccountIndex;
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628 public int SelectedAccountIndex
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630 get { return _selectedAccountIndex; }
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633 //var accountCount=Settings.Accounts.Count;
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634 //if (accountCount == 0)
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636 //if (0 <= value && value < accountCount)
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637 // _selectedAccountIndex = value;
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639 // _selectedAccountIndex = 0;
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640 _selectedAccountIndex = value;
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641 NotifyOfPropertyChange(() => CurrentAccount);
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642 NotifyOfPropertyChange(() => CanRemoveAccount);
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643 NotifyOfPropertyChange(()=>SelectedAccountIndex);
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647 private AccountViewModel _currentAccount;
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648 private readonly IWindowManager _windowManager;
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649 private readonly string _shortcutPath;
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653 public AccountViewModel CurrentAccount
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655 get { return _currentAccount; }
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658 _currentAccount = value;
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660 if (_currentAccount!=null)
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661 _currentAccount.PropertyChanged += (o, e) => NotifyOfPropertyChange(() => CanSelectiveSyncFolders);
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663 NotifyOfPropertyChange(() => CurrentAccount);
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664 NotifyOfPropertyChange(() => CanRemoveAccount);
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665 NotifyOfPropertyChange(() => CanSelectiveSyncFolders);
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666 NotifyOfPropertyChange(() => CanMoveAccountFolder);
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667 NotifyOfPropertyChange(() => CanClearAccountCache);
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672 public AccountSettings CurrentAccount
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675 if (0 <= SelectedAccountIndex && SelectedAccountIndex < Settings.Accounts.Count)
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676 return Settings.Accounts[SelectedAccountIndex];
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684 public bool CanMoveAccountFolder
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686 get { return CurrentAccount != null; }
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689 public void MoveAccountFolder()
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692 using (var dlg = new FolderBrowserDialog())
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694 var currentFolder = CurrentAccount.RootPath;
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695 dlg.SelectedPath = currentFolder;
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696 //Ask the user to select a folder
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697 //Note: We need a parent window here, which we retrieve with GetView
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698 var view = (Window)GetView();
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699 if (DialogResult.OK != dlg.ShowDialog(new Wpf32Window(view)))
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702 var newPath= dlg.SelectedPath;
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703 //Find the account's monitor and stop it
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704 PithosMonitor monitor;
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705 if (Shell.Monitors.TryGetValue(CurrentAccount.AccountKey, out monitor))
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710 var oldPath = monitor.RootPath;
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711 //The old directory may not exist eg. if we create an account for the first time
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712 if (Directory.Exists(oldPath))
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714 //If it does, do the move
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716 //Now Create all of the directories
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717 foreach (string dirPath in Directory.EnumerateDirectories(oldPath, "*",
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718 SearchOption.AllDirectories))
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719 Directory.CreateDirectory(dirPath.Replace(oldPath, newPath));
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721 //Copy all the files
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722 foreach (string newFilePath in Directory.EnumerateFiles(oldPath, "*.*",
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723 SearchOption.AllDirectories))
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724 File.Copy(newFilePath, newFilePath.Replace(oldPath, newPath));
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726 Log.InfoFormat("Deleting account folder {0}",oldPath);
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727 Directory.Delete(oldPath, true);
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729 //We also need to change the path of the existing file states
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730 monitor.MoveFileStates(oldPath, newPath);
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733 //Replace the old rootpath with the new
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734 CurrentAccount.RootPath = newPath;
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735 //TODO: This will save all settings changes. Too coarse grained, need to fix at a later date
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737 //And start the monitor on the new RootPath
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738 if (monitor != null)
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740 monitor.RootPath = newPath;
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741 if (CurrentAccount.IsActive)
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745 Shell.MonitorAccount(CurrentAccount.Account);
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746 //Finally, notify that the Settings, CurrentAccount have changed
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747 NotifyOfPropertyChange(() => CurrentAccount);
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748 NotifyOfPropertyChange(() => Settings);
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