root / trunk / Pithos.Client.WPF / Shell / ShellViewModel.cs @ 759bd3c4
History | View | Annotate | Download (26.1 kB)
1 |
#region |
---|---|
2 |
/* ----------------------------------------------------------------------- |
3 |
* <copyright file="ShellViewModel.cs" company="GRNet"> |
4 |
* |
5 |
* Copyright 2011-2012 GRNET S.A. All rights reserved. |
6 |
* |
7 |
* Redistribution and use in source and binary forms, with or |
8 |
* without modification, are permitted provided that the following |
9 |
* conditions are met: |
10 |
* |
11 |
* 1. Redistributions of source code must retain the above |
12 |
* copyright notice, this list of conditions and the following |
13 |
* disclaimer. |
14 |
* |
15 |
* 2. Redistributions in binary form must reproduce the above |
16 |
* copyright notice, this list of conditions and the following |
17 |
* disclaimer in the documentation and/or other materials |
18 |
* provided with the distribution. |
19 |
* |
20 |
* |
21 |
* THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS |
22 |
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
23 |
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
24 |
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR |
25 |
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
26 |
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
27 |
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF |
28 |
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
29 |
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
30 |
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN |
31 |
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
32 |
* POSSIBILITY OF SUCH DAMAGE. |
33 |
* |
34 |
* The views and conclusions contained in the software and |
35 |
* documentation are those of the authors and should not be |
36 |
* interpreted as representing official policies, either expressed |
37 |
* or implied, of GRNET S.A. |
38 |
* </copyright> |
39 |
* ----------------------------------------------------------------------- |
40 |
*/ |
41 |
#endregion |
42 |
using System.Collections.Concurrent; |
43 |
using System.Diagnostics; |
44 |
using System.Diagnostics.Contracts; |
45 |
using System.IO; |
46 |
using System.Net; |
47 |
using System.Reflection; |
48 |
using System.Runtime.InteropServices; |
49 |
using System.ServiceModel; |
50 |
using System.Threading.Tasks; |
51 |
using System.Windows; |
52 |
using System.Windows.Controls.Primitives; |
53 |
using Caliburn.Micro; |
54 |
using Hardcodet.Wpf.TaskbarNotification; |
55 |
using Pithos.Client.WPF.Configuration; |
56 |
using Pithos.Client.WPF.FileProperties; |
57 |
using Pithos.Client.WPF.Preferences; |
58 |
using Pithos.Client.WPF.SelectiveSynch; |
59 |
using Pithos.Client.WPF.Services; |
60 |
using Pithos.Client.WPF.Shell; |
61 |
using Pithos.Core; |
62 |
using Pithos.Core.Agents; |
63 |
using Pithos.Interfaces; |
64 |
using System; |
65 |
using System.Collections.Generic; |
66 |
using System.Linq; |
67 |
using Pithos.Network; |
68 |
using StatusService = Pithos.Client.WPF.Services.StatusService; |
69 |
|
70 |
namespace Pithos.Client.WPF { |
71 |
using System.ComponentModel.Composition; |
72 |
|
73 |
|
74 |
///<summary> |
75 |
/// The "shell" of the Pithos application displays the taskbar icon, menu and notifications. |
76 |
/// The shell also hosts the status service called by shell extensions to retrieve file info |
77 |
///</summary> |
78 |
///<remarks> |
79 |
/// It is a strange "shell" as its main visible element is an icon instead of a window |
80 |
/// The shell subscribes to the following events: |
81 |
/// * Notification: Raised by components that want to notify the user. Usually displayed in a balloon |
82 |
/// * SelectiveSynchChanges: Notifies that the user made changes to the selective synch folders for an account. Raised by the Selective Synch dialog. Located here because the monitors are here |
83 |
/// * ShowFilePropertiesEvent: Raised when a shell command requests the display of the file/container properties dialog |
84 |
///</remarks> |
85 |
//TODO: CODE SMELL Why does the shell handle the SelectiveSynchChanges? |
86 |
[Export(typeof(IShell))] |
87 |
public class ShellViewModel : Screen, IStatusNotification, IShell, |
88 |
IHandle<Notification>, IHandle<SelectiveSynchChanges>, IHandle<ShowFilePropertiesEvent> |
89 |
{ |
90 |
//The Status Checker provides the current synch state |
91 |
//TODO: Could we remove the status checker and use events in its place? |
92 |
private readonly IStatusChecker _statusChecker; |
93 |
private readonly IEventAggregator _events; |
94 |
|
95 |
public PithosSettings Settings { get; private set; } |
96 |
|
97 |
|
98 |
private readonly ConcurrentDictionary<string, PithosMonitor> _monitors = new ConcurrentDictionary<string, PithosMonitor>(); |
99 |
///<summary> |
100 |
/// Dictionary of account monitors, keyed by account |
101 |
///</summary> |
102 |
///<remarks> |
103 |
/// One monitor class is created for each account. The Shell needs access to the monitors to execute start/stop/pause commands, |
104 |
/// retrieve account and boject info |
105 |
///</remarks> |
106 |
// TODO: Does the Shell REALLY need access to the monitors? Could we achieve the same results with a better design? |
107 |
// TODO: The monitors should be internal to Pithos.Core, even though exposing them makes coding of the Object and Container windows easier |
108 |
public ConcurrentDictionary<string, PithosMonitor> Monitors |
109 |
{ |
110 |
get { return _monitors; } |
111 |
} |
112 |
|
113 |
|
114 |
///<summary> |
115 |
/// The status service is used by Shell extensions to retrieve file status information |
116 |
///</summary> |
117 |
//TODO: CODE SMELL! This is the shell! While hosting in the shell makes executing start/stop commands easier, it is still a smell |
118 |
private ServiceHost _statusService; |
119 |
|
120 |
//Logging in the Pithos client is provided by log4net |
121 |
private static readonly log4net.ILog Log = log4net.LogManager.GetLogger("Pithos"); |
122 |
|
123 |
//Lazily initialized File Version info. This is done once and lazily to avoid blocking the UI |
124 |
private Lazy<FileVersionInfo> _fileVersion; |
125 |
|
126 |
///<summary> |
127 |
/// The Shell depends on MEF to provide implementations for windowManager, events, the status checker service and the settings |
128 |
///</summary> |
129 |
///<remarks> |
130 |
/// The PithosSettings class encapsulates the app's settings to abstract their storage mechanism (App settings, a database or registry) |
131 |
///</remarks> |
132 |
[ImportingConstructor] |
133 |
public ShellViewModel(IWindowManager windowManager, IEventAggregator events, IStatusChecker statusChecker, PithosSettings settings) |
134 |
{ |
135 |
try |
136 |
{ |
137 |
|
138 |
_windowManager = windowManager; |
139 |
//CHECK: Caliburn doesn't need explicit command construction |
140 |
//OpenPithosFolderCommand = new PithosCommand(OpenPithosFolder); |
141 |
_statusChecker = statusChecker; |
142 |
//The event subst |
143 |
_events = events; |
144 |
_events.Subscribe(this); |
145 |
|
146 |
Settings = settings; |
147 |
|
148 |
Proxy.SetFromSettings(settings); |
149 |
|
150 |
StatusMessage = "In Synch"; |
151 |
|
152 |
_fileVersion= new Lazy<FileVersionInfo>(() => |
153 |
{ |
154 |
Assembly assembly = Assembly.GetExecutingAssembly(); |
155 |
var fileVersion = FileVersionInfo.GetVersionInfo(assembly.Location); |
156 |
return fileVersion; |
157 |
}); |
158 |
_accounts.CollectionChanged += (sender, e) => |
159 |
{ |
160 |
NotifyOfPropertyChange(() => OpenFolderCaption); |
161 |
NotifyOfPropertyChange(() => HasAccounts); |
162 |
}; |
163 |
|
164 |
} |
165 |
catch (Exception exc) |
166 |
{ |
167 |
Log.Error("Error while starting the ShellViewModel",exc); |
168 |
throw; |
169 |
} |
170 |
} |
171 |
|
172 |
|
173 |
protected override void OnActivate() |
174 |
{ |
175 |
base.OnActivate(); |
176 |
|
177 |
|
178 |
|
179 |
StartMonitoring(); |
180 |
} |
181 |
|
182 |
|
183 |
|
184 |
private async void StartMonitoring() |
185 |
{ |
186 |
try |
187 |
{ |
188 |
var accounts = Settings.Accounts.Select(MonitorAccount); |
189 |
await TaskEx.WhenAll(accounts); |
190 |
_statusService = StatusService.Start(); |
191 |
|
192 |
/* |
193 |
foreach (var account in Settings.Accounts) |
194 |
{ |
195 |
await MonitorAccount(account); |
196 |
} |
197 |
*/ |
198 |
|
199 |
} |
200 |
catch (AggregateException exc) |
201 |
{ |
202 |
exc.Handle(e => |
203 |
{ |
204 |
Log.Error("Error while starting monitoring", e); |
205 |
return true; |
206 |
}); |
207 |
throw; |
208 |
} |
209 |
} |
210 |
|
211 |
protected override void OnDeactivate(bool close) |
212 |
{ |
213 |
base.OnDeactivate(close); |
214 |
if (close) |
215 |
{ |
216 |
StatusService.Stop(_statusService); |
217 |
_statusService = null; |
218 |
} |
219 |
} |
220 |
|
221 |
public Task MonitorAccount(AccountSettings account) |
222 |
{ |
223 |
return Task.Factory.StartNew(() => |
224 |
{ |
225 |
PithosMonitor monitor; |
226 |
var accountName = account.AccountName; |
227 |
|
228 |
if (_monitors.TryGetValue(accountName, out monitor)) |
229 |
{ |
230 |
//If the account is active |
231 |
if (account.IsActive) |
232 |
//Start the monitor. It's OK to start an already started monitor, |
233 |
//it will just ignore the call |
234 |
StartMonitor(monitor).Wait(); |
235 |
else |
236 |
{ |
237 |
//If the account is inactive |
238 |
//Stop and remove the monitor |
239 |
RemoveMonitor(accountName); |
240 |
} |
241 |
return; |
242 |
} |
243 |
|
244 |
|
245 |
//Create a new monitor/ Can't use MEF here, it would return a single instance for all monitors |
246 |
monitor = new PithosMonitor |
247 |
{ |
248 |
UserName = accountName, |
249 |
ApiKey = account.ApiKey, |
250 |
StatusNotification = this, |
251 |
RootPath = account.RootPath |
252 |
}; |
253 |
//PithosMonitor uses MEF so we need to resolve it |
254 |
IoC.BuildUp(monitor); |
255 |
|
256 |
monitor.AuthenticationUrl = account.ServerUrl; |
257 |
|
258 |
_monitors[accountName] = monitor; |
259 |
|
260 |
if (account.IsActive) |
261 |
{ |
262 |
//Don't start a monitor if it doesn't have an account and ApiKey |
263 |
if (String.IsNullOrWhiteSpace(monitor.UserName) || |
264 |
String.IsNullOrWhiteSpace(monitor.ApiKey)) |
265 |
return; |
266 |
StartMonitor(monitor); |
267 |
} |
268 |
}); |
269 |
} |
270 |
|
271 |
|
272 |
protected override void OnViewLoaded(object view) |
273 |
{ |
274 |
UpdateStatus(); |
275 |
var window = (Window)view; |
276 |
TaskEx.Delay(1000).ContinueWith(t => Execute.OnUIThread(window.Hide)); |
277 |
base.OnViewLoaded(view); |
278 |
} |
279 |
|
280 |
|
281 |
#region Status Properties |
282 |
|
283 |
private string _statusMessage; |
284 |
public string StatusMessage |
285 |
{ |
286 |
get { return _statusMessage; } |
287 |
set |
288 |
{ |
289 |
_statusMessage = value; |
290 |
NotifyOfPropertyChange(() => StatusMessage); |
291 |
} |
292 |
} |
293 |
|
294 |
private readonly ObservableConcurrentCollection<AccountInfo> _accounts = new ObservableConcurrentCollection<AccountInfo>(); |
295 |
public ObservableConcurrentCollection<AccountInfo> Accounts |
296 |
{ |
297 |
get { return _accounts; } |
298 |
} |
299 |
|
300 |
public bool HasAccounts |
301 |
{ |
302 |
get { return _accounts.Count > 0; } |
303 |
} |
304 |
|
305 |
|
306 |
public string OpenFolderCaption |
307 |
{ |
308 |
get |
309 |
{ |
310 |
return (_accounts.Count == 0) |
311 |
? "No Accounts Defined" |
312 |
: "Open Pithos Folder"; |
313 |
} |
314 |
} |
315 |
|
316 |
private string _pauseSyncCaption="Pause Synching"; |
317 |
public string PauseSyncCaption |
318 |
{ |
319 |
get { return _pauseSyncCaption; } |
320 |
set |
321 |
{ |
322 |
_pauseSyncCaption = value; |
323 |
NotifyOfPropertyChange(() => PauseSyncCaption); |
324 |
} |
325 |
} |
326 |
|
327 |
private readonly ObservableConcurrentCollection<FileEntry> _recentFiles = new ObservableConcurrentCollection<FileEntry>(); |
328 |
public ObservableConcurrentCollection<FileEntry> RecentFiles |
329 |
{ |
330 |
get { return _recentFiles; } |
331 |
} |
332 |
|
333 |
|
334 |
private string _statusIcon="../Images/Pithos.ico"; |
335 |
public string StatusIcon |
336 |
{ |
337 |
get { return _statusIcon; } |
338 |
set |
339 |
{ |
340 |
//TODO: Ensure all status icons use the Pithos logo |
341 |
_statusIcon = value; |
342 |
NotifyOfPropertyChange(() => StatusIcon); |
343 |
} |
344 |
} |
345 |
|
346 |
#endregion |
347 |
|
348 |
#region Commands |
349 |
|
350 |
public void ShowPreferences() |
351 |
{ |
352 |
Settings.Reload(); |
353 |
var preferences = new PreferencesViewModel(_windowManager,_events, this,Settings); |
354 |
_windowManager.ShowDialog(preferences); |
355 |
|
356 |
} |
357 |
|
358 |
public void AboutPithos() |
359 |
{ |
360 |
var about = new AboutViewModel(); |
361 |
_windowManager.ShowWindow(about); |
362 |
} |
363 |
|
364 |
public void SendFeedback() |
365 |
{ |
366 |
var feedBack = IoC.Get<FeedbackViewModel>(); |
367 |
_windowManager.ShowWindow(feedBack); |
368 |
} |
369 |
|
370 |
//public PithosCommand OpenPithosFolderCommand { get; private set; } |
371 |
|
372 |
public void OpenPithosFolder() |
373 |
{ |
374 |
var account = Settings.Accounts.FirstOrDefault(acc => acc.IsActive); |
375 |
if (account == null) |
376 |
return; |
377 |
Process.Start(account.RootPath); |
378 |
} |
379 |
|
380 |
public void OpenPithosFolder(AccountInfo account) |
381 |
{ |
382 |
Process.Start(account.AccountPath); |
383 |
} |
384 |
|
385 |
|
386 |
/* |
387 |
public void GoToSite() |
388 |
{ |
389 |
var site = Properties.Settings.Default.PithosSite; |
390 |
Process.Start(site); |
391 |
} |
392 |
*/ |
393 |
|
394 |
public void GoToSite(AccountInfo account) |
395 |
{ |
396 |
/*var site = String.Format("{0}/ui/?token={1}&user={2}", |
397 |
account.SiteUri,account.Token, |
398 |
account.UserName);*/ |
399 |
Process.Start(account.SiteUri); |
400 |
} |
401 |
|
402 |
public void ShowFileProperties() |
403 |
{ |
404 |
var account = Settings.Accounts.First(acc => acc.IsActive); |
405 |
var dir = new DirectoryInfo(account.RootPath + @"\pithos"); |
406 |
var files=dir.GetFiles(); |
407 |
var r=new Random(); |
408 |
var idx=r.Next(0, files.Length); |
409 |
ShowFileProperties(files[idx].FullName); |
410 |
} |
411 |
|
412 |
public void ShowFileProperties(string filePath) |
413 |
{ |
414 |
if (String.IsNullOrWhiteSpace(filePath)) |
415 |
throw new ArgumentNullException("filePath"); |
416 |
if (!File.Exists(filePath) && !Directory.Exists(filePath)) |
417 |
throw new ArgumentException(String.Format("Non existent file {0}",filePath),"filePath"); |
418 |
Contract.EndContractBlock(); |
419 |
|
420 |
var pair=(from monitor in Monitors |
421 |
where filePath.StartsWith(monitor.Value.RootPath, StringComparison.InvariantCultureIgnoreCase) |
422 |
select monitor).FirstOrDefault(); |
423 |
var accountMonitor = pair.Value; |
424 |
|
425 |
if (accountMonitor == null) |
426 |
return; |
427 |
|
428 |
var infoTask=Task.Factory.StartNew(()=>accountMonitor.GetObjectInfo(filePath)); |
429 |
|
430 |
|
431 |
|
432 |
var fileProperties = new FilePropertiesViewModel(this, infoTask,filePath); |
433 |
_windowManager.ShowWindow(fileProperties); |
434 |
} |
435 |
|
436 |
public void ShowContainerProperties() |
437 |
{ |
438 |
var account = Settings.Accounts.First(acc => acc.IsActive); |
439 |
var dir = new DirectoryInfo(account.RootPath); |
440 |
var fullName = (from folder in dir.EnumerateDirectories() |
441 |
where (folder.Attributes & FileAttributes.Hidden) == 0 |
442 |
select folder.FullName).First(); |
443 |
ShowContainerProperties(fullName); |
444 |
} |
445 |
|
446 |
public void ShowContainerProperties(string filePath) |
447 |
{ |
448 |
if (String.IsNullOrWhiteSpace(filePath)) |
449 |
throw new ArgumentNullException("filePath"); |
450 |
if (!Directory.Exists(filePath)) |
451 |
throw new ArgumentException(String.Format("Non existent file {0}",filePath),"filePath"); |
452 |
Contract.EndContractBlock(); |
453 |
|
454 |
var pair=(from monitor in Monitors |
455 |
where filePath.StartsWith(monitor.Value.RootPath, StringComparison.InvariantCultureIgnoreCase) |
456 |
select monitor).FirstOrDefault(); |
457 |
var accountMonitor = pair.Value; |
458 |
var info = accountMonitor.GetContainerInfo(filePath); |
459 |
|
460 |
|
461 |
|
462 |
var containerProperties = new ContainerPropertiesViewModel(this, info,filePath); |
463 |
_windowManager.ShowWindow(containerProperties); |
464 |
} |
465 |
|
466 |
public void SynchNow() |
467 |
{ |
468 |
var agent = IoC.Get<PollAgent>(); |
469 |
agent.SynchNow(); |
470 |
} |
471 |
|
472 |
public ObjectInfo RefreshObjectInfo(ObjectInfo currentInfo) |
473 |
{ |
474 |
if (currentInfo==null) |
475 |
throw new ArgumentNullException("currentInfo"); |
476 |
Contract.EndContractBlock(); |
477 |
|
478 |
var monitor = Monitors[currentInfo.Account]; |
479 |
var newInfo=monitor.CloudClient.GetObjectInfo(currentInfo.Account, currentInfo.Container, currentInfo.Name); |
480 |
return newInfo; |
481 |
} |
482 |
|
483 |
public ContainerInfo RefreshContainerInfo(ContainerInfo container) |
484 |
{ |
485 |
if (container == null) |
486 |
throw new ArgumentNullException("container"); |
487 |
Contract.EndContractBlock(); |
488 |
|
489 |
var monitor = Monitors[container.Account]; |
490 |
var newInfo = monitor.CloudClient.GetContainerInfo(container.Account, container.Name); |
491 |
return newInfo; |
492 |
} |
493 |
|
494 |
|
495 |
public void ToggleSynching() |
496 |
{ |
497 |
bool isPaused=false; |
498 |
foreach (var pair in Monitors) |
499 |
{ |
500 |
var monitor = pair.Value; |
501 |
monitor.Pause = !monitor.Pause; |
502 |
isPaused = monitor.Pause; |
503 |
} |
504 |
|
505 |
PauseSyncCaption = isPaused ? "Resume syncing" : "Pause syncing"; |
506 |
var iconKey = isPaused? "TraySyncPaused" : "TrayInSynch"; |
507 |
StatusIcon = String.Format(@"../Images/{0}.ico", iconKey); |
508 |
} |
509 |
|
510 |
public void ExitPithos() |
511 |
{ |
512 |
foreach (var pair in Monitors) |
513 |
{ |
514 |
var monitor = pair.Value; |
515 |
monitor.Stop(); |
516 |
} |
517 |
|
518 |
((Window)GetView()).Close(); |
519 |
} |
520 |
#endregion |
521 |
|
522 |
|
523 |
private readonly Dictionary<PithosStatus, StatusInfo> _iconNames = new List<StatusInfo> |
524 |
{ |
525 |
new StatusInfo(PithosStatus.InSynch, "All files up to date", "TrayInSynch"), |
526 |
new StatusInfo(PithosStatus.Syncing, "Syncing Files", "TraySynching"), |
527 |
new StatusInfo(PithosStatus.SyncPaused, "Sync Paused", "TraySyncPaused") |
528 |
}.ToDictionary(s => s.Status); |
529 |
|
530 |
readonly IWindowManager _windowManager; |
531 |
|
532 |
|
533 |
///<summary> |
534 |
/// Updates the visual status indicators of the application depending on status changes, e.g. icon, stat |
535 |
///</summary> |
536 |
public void UpdateStatus() |
537 |
{ |
538 |
var pithosStatus = _statusChecker.GetPithosStatus(); |
539 |
|
540 |
if (_iconNames.ContainsKey(pithosStatus)) |
541 |
{ |
542 |
var info = _iconNames[pithosStatus]; |
543 |
StatusIcon = String.Format(@"../Images/{0}.ico", info.IconName); |
544 |
|
545 |
|
546 |
|
547 |
StatusMessage = String.Format("Pithos {0}\r\n{1}", _fileVersion.Value.FileVersion,info.StatusText); |
548 |
} |
549 |
|
550 |
//_events.Publish(new Notification { Title = "Start", Message = "Start Monitoring", Level = TraceLevel.Info}); |
551 |
} |
552 |
|
553 |
|
554 |
|
555 |
private Task StartMonitor(PithosMonitor monitor,int retries=0) |
556 |
{ |
557 |
return Task.Factory.StartNew(() => |
558 |
{ |
559 |
using (log4net.ThreadContext.Stacks["Monitor"].Push("Start")) |
560 |
{ |
561 |
try |
562 |
{ |
563 |
Log.InfoFormat("Start Monitoring {0}", monitor.UserName); |
564 |
|
565 |
monitor.Start(); |
566 |
} |
567 |
catch (WebException exc) |
568 |
{ |
569 |
if (AbandonRetry(monitor, retries)) |
570 |
return; |
571 |
|
572 |
HttpStatusCode statusCode =HttpStatusCode.OK; |
573 |
var response = exc.Response as HttpWebResponse; |
574 |
if(response!=null) |
575 |
statusCode = response.StatusCode; |
576 |
|
577 |
switch (statusCode) |
578 |
{ |
579 |
case HttpStatusCode.Unauthorized: |
580 |
var message = String.Format("API Key Expired for {0}. Starting Renewal", |
581 |
monitor.UserName); |
582 |
Log.Error(message, exc); |
583 |
TryAuthorize(monitor, retries).Wait(); |
584 |
break; |
585 |
case HttpStatusCode.ProxyAuthenticationRequired: |
586 |
TryAuthenticateProxy(monitor,retries); |
587 |
break; |
588 |
default: |
589 |
TryLater(monitor, exc, retries); |
590 |
break; |
591 |
} |
592 |
} |
593 |
catch (Exception exc) |
594 |
{ |
595 |
if (AbandonRetry(monitor, retries)) |
596 |
return; |
597 |
|
598 |
TryLater(monitor,exc,retries); |
599 |
} |
600 |
} |
601 |
}); |
602 |
} |
603 |
|
604 |
private void TryAuthenticateProxy(PithosMonitor monitor,int retries) |
605 |
{ |
606 |
Execute.OnUIThread(() => |
607 |
{ |
608 |
var proxyAccount = IoC.Get<ProxyAccountViewModel>(); |
609 |
proxyAccount.Settings = this.Settings; |
610 |
if (true != _windowManager.ShowDialog(proxyAccount)) |
611 |
return; |
612 |
StartMonitor(monitor, retries); |
613 |
NotifyOfPropertyChange(() => Accounts); |
614 |
}); |
615 |
} |
616 |
|
617 |
private bool AbandonRetry(PithosMonitor monitor, int retries) |
618 |
{ |
619 |
if (retries > 1) |
620 |
{ |
621 |
var message = String.Format("Monitoring of account {0} has failed too many times. Will not retry", |
622 |
monitor.UserName); |
623 |
_events.Publish(new Notification |
624 |
{Title = "Account monitoring failed", Message = message, Level = TraceLevel.Error}); |
625 |
return true; |
626 |
} |
627 |
return false; |
628 |
} |
629 |
|
630 |
|
631 |
private async Task TryAuthorize(PithosMonitor monitor,int retries) |
632 |
{ |
633 |
_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 }); |
634 |
|
635 |
try |
636 |
{ |
637 |
|
638 |
var credentials = await PithosAccount.RetrieveCredentials(Settings.PithosLoginUrl); |
639 |
|
640 |
var account = Settings.Accounts.First(act => act.AccountName == credentials.UserName); |
641 |
account.ApiKey = credentials.Password; |
642 |
monitor.ApiKey = credentials.Password; |
643 |
Settings.Save(); |
644 |
await TaskEx.Delay(10000); |
645 |
StartMonitor(monitor, retries + 1); |
646 |
NotifyOfPropertyChange(()=>Accounts); |
647 |
} |
648 |
catch (AggregateException exc) |
649 |
{ |
650 |
string message = String.Format("API Key retrieval for {0} failed", monitor.UserName); |
651 |
Log.Error(message, exc.InnerException); |
652 |
_events.Publish(new Notification { Title = "Authorization failed", Message = message, Level = TraceLevel.Error }); |
653 |
} |
654 |
catch (Exception exc) |
655 |
{ |
656 |
string message = String.Format("API Key retrieval for {0} failed", monitor.UserName); |
657 |
Log.Error(message, exc); |
658 |
_events.Publish(new Notification { Title = "Authorization failed", Message = message, Level = TraceLevel.Error }); |
659 |
} |
660 |
|
661 |
} |
662 |
|
663 |
private static bool IsUnauthorized(WebException exc) |
664 |
{ |
665 |
if (exc==null) |
666 |
throw new ArgumentNullException("exc"); |
667 |
Contract.EndContractBlock(); |
668 |
|
669 |
var response = exc.Response as HttpWebResponse; |
670 |
if (response == null) |
671 |
return false; |
672 |
return (response.StatusCode == HttpStatusCode.Unauthorized); |
673 |
} |
674 |
|
675 |
private void TryLater(PithosMonitor monitor, Exception exc,int retries) |
676 |
{ |
677 |
var message = String.Format("An exception occured. Can't start monitoring\nWill retry in 10 seconds"); |
678 |
Task.Factory.StartNewDelayed(10000, () => StartMonitor(monitor,retries+1)); |
679 |
_events.Publish(new Notification |
680 |
{Title = "Error", Message = message, Level = TraceLevel.Error}); |
681 |
Log.Error(message, exc); |
682 |
} |
683 |
|
684 |
|
685 |
public void NotifyChange(string status, TraceLevel level=TraceLevel.Info) |
686 |
{ |
687 |
StatusMessage = status; |
688 |
|
689 |
_events.Publish(new Notification { Title = "Pithos", Message = status, Level = level }); |
690 |
} |
691 |
|
692 |
public void NotifyChangedFile(string filePath) |
693 |
{ |
694 |
var entry = new FileEntry {FullPath=filePath}; |
695 |
IProducerConsumerCollection<FileEntry> files=RecentFiles; |
696 |
FileEntry popped; |
697 |
while (files.Count > 5) |
698 |
files.TryTake(out popped); |
699 |
files.TryAdd(entry); |
700 |
} |
701 |
|
702 |
public void NotifyAccount(AccountInfo account) |
703 |
{ |
704 |
if (account== null) |
705 |
return; |
706 |
//TODO: What happens to an existing account whose Token has changed? |
707 |
account.SiteUri= String.Format("{0}/ui/?token={1}&user={2}", |
708 |
account.SiteUri, Uri.EscapeDataString(account.Token), |
709 |
Uri.EscapeDataString(account.UserName)); |
710 |
|
711 |
if (Accounts.All(item => item.UserName != account.UserName)) |
712 |
Accounts.TryAdd(account); |
713 |
|
714 |
} |
715 |
|
716 |
public void NotifyConflicts(IEnumerable<FileSystemInfo> conflictFiles, string message) |
717 |
{ |
718 |
if (conflictFiles == null) |
719 |
return; |
720 |
if (!conflictFiles.Any()) |
721 |
return; |
722 |
|
723 |
UpdateStatus(); |
724 |
//TODO: Create a more specific message. For now, just show a warning |
725 |
NotifyForFiles(conflictFiles,message,TraceLevel.Warning); |
726 |
|
727 |
} |
728 |
|
729 |
public void NotifyForFiles(IEnumerable<FileSystemInfo> files, string message,TraceLevel level=TraceLevel.Info) |
730 |
{ |
731 |
if (files == null) |
732 |
return; |
733 |
if (!files.Any()) |
734 |
return; |
735 |
|
736 |
StatusMessage = message; |
737 |
|
738 |
_events.Publish(new Notification { Title = "Pithos", Message = message, Level = level}); |
739 |
} |
740 |
|
741 |
public void Notify(Notification notification) |
742 |
{ |
743 |
_events.Publish(notification); |
744 |
} |
745 |
|
746 |
|
747 |
public void RemoveMonitor(string accountName) |
748 |
{ |
749 |
if (String.IsNullOrWhiteSpace(accountName)) |
750 |
return; |
751 |
|
752 |
var accountInfo=_accounts.FirstOrDefault(account => account.UserName == accountName); |
753 |
_accounts.TryRemove(accountInfo); |
754 |
|
755 |
PithosMonitor monitor; |
756 |
if (Monitors.TryRemove(accountName, out monitor)) |
757 |
{ |
758 |
monitor.Stop(); |
759 |
} |
760 |
} |
761 |
|
762 |
public void RefreshOverlays() |
763 |
{ |
764 |
foreach (var pair in Monitors) |
765 |
{ |
766 |
var monitor = pair.Value; |
767 |
|
768 |
var path = monitor.RootPath; |
769 |
|
770 |
if (String.IsNullOrWhiteSpace(path)) |
771 |
continue; |
772 |
|
773 |
if (!Directory.Exists(path) && !File.Exists(path)) |
774 |
continue; |
775 |
|
776 |
IntPtr pathPointer = Marshal.StringToCoTaskMemAuto(path); |
777 |
|
778 |
try |
779 |
{ |
780 |
NativeMethods.SHChangeNotify(HChangeNotifyEventID.SHCNE_UPDATEITEM, |
781 |
HChangeNotifyFlags.SHCNF_PATHW | HChangeNotifyFlags.SHCNF_FLUSHNOWAIT, |
782 |
pathPointer, IntPtr.Zero); |
783 |
} |
784 |
finally |
785 |
{ |
786 |
Marshal.FreeHGlobal(pathPointer); |
787 |
} |
788 |
} |
789 |
} |
790 |
|
791 |
#region Event Handlers |
792 |
|
793 |
public void Handle(SelectiveSynchChanges message) |
794 |
{ |
795 |
var accountName = message.Account.AccountName; |
796 |
PithosMonitor monitor; |
797 |
if (_monitors.TryGetValue(accountName, out monitor)) |
798 |
{ |
799 |
monitor.SetSelectivePaths(message.Uris,message.Added,message.Removed); |
800 |
|
801 |
} |
802 |
|
803 |
} |
804 |
|
805 |
|
806 |
private bool _pollStarted = false; |
807 |
|
808 |
//SMELL: Doing so much work for notifications in the shell is wrong |
809 |
//The notifications should be moved to their own view/viewmodel pair |
810 |
//and different templates should be used for different message types |
811 |
//This will also allow the addition of extra functionality, eg. actions |
812 |
// |
813 |
public void Handle(Notification notification) |
814 |
{ |
815 |
UpdateStatus(); |
816 |
|
817 |
if (!Settings.ShowDesktopNotifications) |
818 |
return; |
819 |
|
820 |
if (notification is PollNotification) |
821 |
{ |
822 |
_pollStarted = true; |
823 |
return; |
824 |
} |
825 |
if (notification is CloudNotification) |
826 |
{ |
827 |
if (!_pollStarted) |
828 |
return; |
829 |
_pollStarted= false; |
830 |
notification.Title = "Pithos"; |
831 |
notification.Message = "Start Synchronisation"; |
832 |
} |
833 |
|
834 |
if (String.IsNullOrWhiteSpace(notification.Message) && String.IsNullOrWhiteSpace(notification.Title)) |
835 |
return; |
836 |
|
837 |
BalloonIcon icon; |
838 |
switch (notification.Level) |
839 |
{ |
840 |
case TraceLevel.Error: |
841 |
icon = BalloonIcon.Error; |
842 |
break; |
843 |
case TraceLevel.Info: |
844 |
case TraceLevel.Verbose: |
845 |
icon = BalloonIcon.Info; |
846 |
break; |
847 |
case TraceLevel.Warning: |
848 |
icon = BalloonIcon.Warning; |
849 |
break; |
850 |
default: |
851 |
icon = BalloonIcon.None; |
852 |
break; |
853 |
} |
854 |
|
855 |
if (Settings.ShowDesktopNotifications) |
856 |
{ |
857 |
var tv = (ShellView) GetView(); |
858 |
var balloon=new PithosBalloon{Title=notification.Title,Message=notification.Message,Icon=icon}; |
859 |
tv.TaskbarView.ShowCustomBalloon(balloon,PopupAnimation.Fade,4000); |
860 |
// tv.TaskbarView.ShowBalloonTip(notification.Title, notification.Message, icon); |
861 |
} |
862 |
} |
863 |
#endregion |
864 |
|
865 |
public void Handle(ShowFilePropertiesEvent message) |
866 |
{ |
867 |
if (message == null) |
868 |
throw new ArgumentNullException("message"); |
869 |
if (String.IsNullOrWhiteSpace(message.FileName) ) |
870 |
throw new ArgumentException("message"); |
871 |
Contract.EndContractBlock(); |
872 |
|
873 |
var fileName = message.FileName; |
874 |
//TODO: Display file properties for non-container folders |
875 |
if (File.Exists(fileName)) |
876 |
//Retrieve the full name with exact casing. Pithos names are case sensitive |
877 |
ShowFileProperties(FileInfoExtensions.GetProperFilePathCapitalization(fileName)); |
878 |
else if (Directory.Exists(fileName)) |
879 |
//Retrieve the full name with exact casing. Pithos names are case sensitive |
880 |
{ |
881 |
var path = FileInfoExtensions.GetProperDirectoryCapitalization(fileName); |
882 |
if (IsContainer(path)) |
883 |
ShowContainerProperties(path); |
884 |
else |
885 |
ShowFileProperties(path); |
886 |
} |
887 |
} |
888 |
|
889 |
private bool IsContainer(string path) |
890 |
{ |
891 |
var matchingFolders = from account in _accounts |
892 |
from rootFolder in Directory.GetDirectories(account.AccountPath) |
893 |
where rootFolder.Equals(path, StringComparison.InvariantCultureIgnoreCase) |
894 |
select rootFolder; |
895 |
return matchingFolders.Any(); |
896 |
} |
897 |
|
898 |
public FileStatus GetFileStatus(string localFileName) |
899 |
{ |
900 |
if (String.IsNullOrWhiteSpace(localFileName)) |
901 |
throw new ArgumentNullException("localFileName"); |
902 |
Contract.EndContractBlock(); |
903 |
|
904 |
var statusKeeper = IoC.Get<IStatusKeeper>(); |
905 |
var status=statusKeeper.GetFileStatus(localFileName); |
906 |
return status; |
907 |
} |
908 |
} |
909 |
} |