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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using Tango.BL.Entities;
using Tango.Core.Commands;
using Tango.FSE.BL;
using Tango.FSE.Common;
using Tango.FSE.Common.Navigation;
using Tango.FSE.Common.RemoteUpgrade;
using Tango.FSE.Upgrade.Views;
namespace Tango.FSE.Upgrade.ViewModels
{
public class ApplicationUpgradeViewVM : RemoteUpgradeViewModel, INavigationObjectReceiver<ApplicationUpgradeViewVM.NavigationObject>
{
public enum ApplicationUpgradeMode
{
ConnectedMachine,
OtherMachine
}
public class NavigationObject
{
public ApplicationUpgradeMode ApplicationUpgradeMode { get; set; }
public Machine SelectedMachine { get; set; }
}
private ApplicationUpgradeMode _upgradeMode;
public ApplicationUpgradeMode UpgradeMode
{
get { return _upgradeMode; }
set { _upgradeMode = value; RaisePropertyChangedAuto(); }
}
private List<TangoVersion> _tangoVersions;
public List<TangoVersion> TangoVersions
{
get { return _tangoVersions; }
set { _tangoVersions = value; RaisePropertyChangedAuto(); }
}
private TangoVersion _selectedVersion;
public TangoVersion SelectedVersion
{
get { return _selectedVersion; }
set { _selectedVersion = value; RaisePropertyChangedAuto(); InvalidateRelayCommands(); }
}
private Machine _selectedMachine;
public Machine SelectedMachine
{
get { return _selectedMachine; }
set { _selectedMachine = value; RaisePropertyChangedAuto(); InvalidateRelayCommands(); }
}
private RemoteUpgradeHandler _handler;
public RemoteUpgradeHandler Handler
{
get { return _handler; }
set { _handler = value; RaisePropertyChangedAuto(); }
}
public RelayCommand GeneratePackageCommand { get; set; }
public ApplicationUpgradeViewVM()
{
GeneratePackageCommand = new RelayCommand(GeneratePackage, () => SelectedVersion != null && SelectedMachine != null);
}
private async void GeneratePackage()
{
try
{
IsFree = false;
if (MachineProvider.IsPPCAvailable)
{
var machine = await Services.MachinesService.GetMachine(MachineProvider.Machine.SerialNumber);
if (machine.VersionTag != SelectedVersion.Tag)
{
IsFree = true;
await NotificationProvider.ShowError($"The selected machine cannot be updated to version '{SelectedVersion.VersionAndTag}'.\nPlease modify the machine version tag first.");
return;
}
}
var temporaryTupFile = TemporaryManager.CreateImaginaryFile(".tup");
Handler = await RemoteUpgradeManager.CreateTupFile(SelectedVersion, SelectedMachine.SerialNumber, temporaryTupFile);
await Handler.WaitForCompletion();
await ModularNavigationManager.NavigateTo<ApplicationUpgradeGeneratedViewVM.NavigationObject>(Navigation.RemoteUpgradeView.ApplicationUpgradeGeneratedView, new ApplicationUpgradeGeneratedViewVM.NavigationObject()
{
SelectedVersion = SelectedVersion,
UpgradeNow = UpgradeMode == ApplicationUpgradeMode.ConnectedMachine,
SelectedMachine = SelectedMachine,
TemporaryTupFile = temporaryTupFile
}, false);
}
catch (OperationCanceledException)
{
//Aborted...
}
catch (AuthorizationException ex)
{
await NotificationProvider.ShowError(ex.Message);
}
catch (Exception ex)
{
LogManager.Log(ex, "Error generating remote upgrade package.");
}
finally
{
IsFree = true;
}
}
public async override void OnNavigatedTo()
{
base.OnNavigatedTo();
if (TangoVersions == null)
{
try
{
TangoVersions = (await Services.TangoVersionsService.GetAllTangoVersions()).Take(10).ToList();
SelectedVersion = TangoVersions.FirstOrDefault();
}
catch (Exception ex)
{
LogManager.Log(ex, "Error retrieving tango versions.");
await NotificationProvider.ShowError($"Error retrieving Tango versions.\n{ex.FlattenMessage()}");
}
}
}
public async override Task<bool> OnNavigateBackRequest()
{
if (!IsFree)
{
var abort = await NotificationProvider.ShowWarningQuestion("Are you sure you want to abort the upgrade operation?");
if (abort)
{
if (Handler.CanAbort)
{
Handler.Abort();
}
else
{
await NotificationProvider.ShowError("Cannot abort the operation at the this stage.");
return false;
}
}
return abort;
}
return true;
}
public void OnNavigatedToWithObject(NavigationObject obj)
{
SelectedMachine = obj.SelectedMachine;
UpgradeMode = obj.ApplicationUpgradeMode;
}
public override void OnBeforeNavigatedTo()
{
base.OnBeforeNavigatedTo();
Handler = new RemoteUpgradeHandler("Ready");
SelectedMachine = null;
UpgradeMode = ApplicationUpgradeMode.OtherMachine;
InvalidateRelayCommands();
}
}
}
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