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using System;
using System.Collections.Generic;
using System.Linq;
using System.Runtime.CompilerServices;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using Tango.Core.Commands;
using Tango.MachineStudio.Common.Authentication;
using Tango.MachineStudio.Common.Navigation;
using Tango.MachineStudio.Common.Notifications;
using Tango.MachineStudio.Common.StudioApplication;
using Tango.MachineStudio.Common.Update;
using Tango.SharedUI;
namespace Tango.MachineStudio.UI.ViewModels
{
public enum UpdateStatus
{
None,
CheckingForUpdate,
UpToDate,
UpdateAvailable,
Downloading,
Updating,
UpdateCompleted,
Error,
}
public class UpdateViewVM : ViewModel
{
private INotificationProvider _notification;
private INavigationManager _navigation;
private IStudioApplicationManager _application;
private IAuthenticationProvider _authentication;
private UpdateStatus _status;
public UpdateStatus Status
{
get { return _status; }
set { _status = value; RaisePropertyChangedAuto(); }
}
private String _latestVersion;
public String LatestVersion
{
get { return _latestVersion; }
set { _latestVersion = value; RaisePropertyChangedAuto(); }
}
private double _downloadProgress;
public double DownloadProgress
{
get { return _downloadProgress; }
set { _downloadProgress = value; RaisePropertyChangedAuto(); }
}
private double _updateProgress;
public double UpdateProgress
{
get { return _updateProgress; }
set { _updateProgress = value; RaisePropertyChangedAuto(); }
}
public RelayCommand UpdateCommand { get; set; }
public RelayCommand BackCommand { get; set; }
public RelayCommand RestartCommand { get; set; }
public RelayCommand TryAgainCommand { get; set; }
public UpdateViewVM(INotificationProvider notification, IAuthenticationProvider authentication, INavigationManager navigation, IStudioApplicationManager application)
{
_notification = notification;
_navigation = navigation;
_application = application;
_authentication = authentication;
LatestVersion = "1.0.0.2";
Status = UpdateStatus.CheckingForUpdate;
UpdateCommand = new RelayCommand(StartUpdate, () => Status == UpdateStatus.UpdateAvailable);
BackCommand = new RelayCommand(BackToApplication, () => Status != UpdateStatus.Updating);
RestartCommand = new RelayCommand(RestartApplication, () => Status == UpdateStatus.UpdateCompleted);
TryAgainCommand = new RelayCommand(TryAgain, () => Status == UpdateStatus.CheckingForUpdate);
}
public void OnNavigatedInto()
{
CheckForUpdates();
}
private void CheckForUpdates()
{
Status = UpdateStatus.CheckingForUpdate;
Task.Factory.StartNew(() =>
{
var service = UpdateServiceHelper.GetUpdateServiceChannel();
var client = service.CreateChannel();
CheckForUpdatesResponse response = client.CheckForUpdates(new CheckForUpdatesRequest()
{
Email = _authentication.CurrentUser.Email,
Password = _authentication.CurrentUser.Password,
Version = _application.Version,
});
var a = response;
Thread.Sleep(5000);
Status = UpdateStatus.UpdateAvailable;
});
}
private void BackToApplication()
{
if (Status == UpdateStatus.Downloading)
{
if (!_notification.ShowQuestion("This will abort all update operations. Are you sure?"))
{
return;
}
}
_navigation.NavigateTo(NavigationView.MainView);
Status = UpdateStatus.None;
}
private void StartUpdate()
{
DownloadProgress = 0;
UpdateProgress = 0;
Status = UpdateStatus.Downloading;
Task.Factory.StartNew(() =>
{
for (int i = 0; i < 100; i++)
{
DownloadProgress++;
Thread.Sleep(30);
}
Status = UpdateStatus.Updating;
for (int i = 0; i < 100; i++)
{
UpdateProgress++;
Thread.Sleep(30);
}
Status = UpdateStatus.UpdateCompleted;
});
}
private void TryAgain()
{
CheckForUpdates();
}
private void RestartApplication()
{
_application.ShutDown();
}
protected override void RaisePropertyChangedAuto([CallerMemberName] string caller = null)
{
base.RaisePropertyChangedAuto(caller);
InvalidateRelayCommands();
}
}
}
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