private async Task RetrieveServerXenkoVersions()
{
try
{
#if SIMULATE_OFFLINE
var serverPackages = new List <IPackage>();
#else
var serverPackages = await RunLockTask(() => store.FindSourcePackages(store.MainPackageIds, CancellationToken.None).Result.OrderByDescending(p => p.Version).ToList());
#endif
// Check if we could connect to the server
var wasOffline = IsOffline;
IsOffline = serverPackages.Count == 0;
// Inform the user if we just switched offline
if (IsOffline && !wasOffline)
{
var message = Strings.ErrorOfflineMode;
if (!string.IsNullOrEmpty(LastErrorOrWarning))
{
message += Environment.NewLine + Environment.NewLine + Strings.Details + Environment.NewLine + LastErrorOrWarning;
}
await ServiceProvider.Get <IDialogService>().MessageBox(message, MessageBoxButton.OK, MessageBoxImage.Information);
}
// We are offline, let's stop here
if (IsOffline)
{
return;
}
lock (objectLock)
{
// Retrieve all server packages (ignoring dev ones)
var packages = serverPackages
.Where(x => !string.Equals(x.Source, Environment.ExpandEnvironmentVariables(store.DevSource), StringComparison.OrdinalIgnoreCase))
.GroupBy(p => $"{p.Version.Version.Major}.{p.Version.Version.Minor}", p => p);
foreach (var package in packages)
{
var serverPackage = package.FirstOrDefault();
if (serverPackage != null)
{
// Find if we already have this package in our list
int index = xenkoVersions.BinarySearch(Tuple.Create(serverPackage.Version.Version.Major, serverPackage.Version.Version.Minor));
XenkoStoreVersionViewModel version;
if (index < 0)
{
// If not, add it
version = new XenkoStoreVersionViewModel(this, store, null, serverPackage.Version.Version.Major, serverPackage.Version.Version.Minor);
Dispatcher.Invoke(() => xenkoVersions.Add(version));
}
else
{
// If yes, update it and remove it from the list of old version
version = (XenkoStoreVersionViewModel)xenkoVersions[index];
}
version.UpdateServerPackage(serverPackage);
}
}
}
}
catch (Exception e)
{
// TODO: error
e.Ignore();
}
finally
{
Dispatcher.Invoke(() =>
{
// Allow to install the latest version if any version is found
var latestVersion = xenkoVersions.FirstOrDefault();
if (latestVersion != null)
{
// Latest version not installed and can be downloaded
if (latestVersion.CanBeDownloaded)
{
InstallLatestVersionCommand.IsEnabled = !latestVersion.CanDelete && latestVersion.CanBeDownloaded;
}
}
OnPropertyChanging(nameof(ActiveDocumentationPages));
OnPropertyChanged(nameof(ActiveDocumentationPages));
});
}
}