/// <summary>
/// Installs the package.
/// </summary>
/// <param name="package">The package.</param>
/// <param name="progress">The progress.</param>
/// <param name="cancellationToken">The cancellation token.</param>
/// <returns>Task.</returns>
/// <exception cref="System.ArgumentNullException">package</exception>
public async Task InstallPackage(PackageVersionInfo package, IProgress<double> progress, CancellationToken cancellationToken)
{
if (package == null)
{
throw new ArgumentNullException("package");
}
if (progress == null)
{
throw new ArgumentNullException("progress");
}
if (cancellationToken == null)
{
throw new ArgumentNullException("cancellationToken");
}
var installationInfo = new InstallationInfo
{
Id = Guid.NewGuid(),
Name = package.name,
UpdateClass = package.classification,
Version = package.versionStr
};
var innerCancellationTokenSource = new CancellationTokenSource();
var tuple = new Tuple<InstallationInfo, CancellationTokenSource>(installationInfo, innerCancellationTokenSource);
// Add it to the in-progress list
lock (CurrentInstallations)
{
CurrentInstallations.Add(tuple);
}
var innerProgress = new ActionableProgress<double>();
// Whenever the progress updates, update the outer progress object and InstallationInfo
innerProgress.RegisterAction(percent =>
{
progress.Report(percent);
installationInfo.PercentComplete = percent;
});
var linkedToken = CancellationTokenSource.CreateLinkedTokenSource(cancellationToken, innerCancellationTokenSource.Token).Token;
var installationEventArgs = new InstallationEventArgs
{
InstallationInfo = installationInfo,
PackageVersionInfo = package
};
EventHelper.QueueEventIfNotNull(PackageInstalling, this, installationEventArgs, _logger);
try
{
await InstallPackageInternal(package, innerProgress, linkedToken).ConfigureAwait(false);
lock (CurrentInstallations)
{
CurrentInstallations.Remove(tuple);
}
CompletedInstallations.Add(installationInfo);
EventHelper.QueueEventIfNotNull(PackageInstallationCompleted, this, installationEventArgs, _logger);
}
catch (OperationCanceledException)
{
lock (CurrentInstallations)
{
CurrentInstallations.Remove(tuple);
}
_logger.Info("Package installation cancelled: {0} {1}", package.name, package.versionStr);
EventHelper.QueueEventIfNotNull(PackageInstallationCancelled, this, installationEventArgs, _logger);
throw;
}
catch (Exception ex)
{
_logger.ErrorException("Package installation failed", ex);
lock (CurrentInstallations)
{
CurrentInstallations.Remove(tuple);
}
EventHelper.QueueEventIfNotNull(PackageInstallationFailed, this, new InstallationFailedEventArgs
{
InstallationInfo = installationInfo,
Exception = ex
}, _logger);
throw;
}
finally
{
// Dispose the progress object and remove the installation from the in-progress list
innerProgress.Dispose();
tuple.Item2.Dispose();
}
}
async void _installationManager_PackageInstallationCompleted(object sender, InstallationEventArgs e)
{
var installationInfo = e.InstallationInfo;
foreach (var user in _userManager
.Users
.Where(i => i.Configuration.IsAdministrator)
.ToList())
{
var notification = new Notification
{
UserId = user.Id,
Category = "PackageInstallationCompleted",
Name = installationInfo.Name + " " + installationInfo.Version + " was installed",
RelatedId = installationInfo.Name,
Description = e.PackageVersionInfo.description
};
try
{
await _notificationsRepo.AddNotification(notification, CancellationToken.None).ConfigureAwait(false);
}
catch (Exception ex)
{
_logger.ErrorException("Error adding notification", ex);
}
}
}
void _installationManager_PackageInstalling(object sender, InstallationEventArgs e)
{
Dispatcher.InvokeAsync(UpdateInProgressInstallations);
}
void _installationManager_PackageInstallationCompleted(object sender, InstallationEventArgs e)
{
_serverManager.SendWebSocketMessage("PackageInstallationCompleted", e.InstallationInfo);
}