public void Uninstall(string packageId, string applicationPath)
{
var extensionToUninstall = _extensionManager.AvailableExtensions()
.FirstOrDefault(extension => PackageBuilder.BuildPackageId(extension.Id, extension.ExtensionType) == packageId);
if (extensionToUninstall == null)
{
throw new OrchardException(T("There is no extension that has the package ID \"{0}\".", packageId));
}
var featureIdsToUninstall = extensionToUninstall.Features.Select(feature => feature.Id);
var shellState = _shellStateManager.GetShellState();
var featureStates = shellState.Features.Where(featureState => featureIdsToUninstall.Contains(featureState.Name));
// This means that no feature from this extension wasn enabled yet, can be uninstalled directly.
if (!featureStates.Any())
{
_packageUninstallHandler.QueuePackageUninstall(packageId);
}
else
{
_featureManager.DisableFeatures(extensionToUninstall.Features.Select(feature => feature.Id), true);
// Installed state can't be deduced from the shell state changes like for enabled state, so have to
// set that explicitly.
foreach (var featureState in featureStates)
{
_shellStateManager.UpdateInstalledState(featureState, Environment.State.Models.ShellFeatureState.State.Falling);
}
}
}
void IShellDescriptorManagerEventHandler.Changed(ShellDescriptor descriptor, string tenant)
{
// deduce and apply state changes involved
var shellState = _stateManager.GetShellState();
foreach (var feature in descriptor.Features)
{
var featureName = feature.Name;
var featureState = shellState.Features.SingleOrDefault(f => f.Name == featureName);
if (featureState == null)
{
featureState = new ShellFeatureState
{
Name = featureName
};
shellState.Features = shellState.Features.Concat(new[] { featureState });
}
if (!featureState.IsInstalled)
{
_stateManager.UpdateInstalledState(featureState, ShellFeatureState.State.Rising);
}
if (!featureState.IsEnabled)
{
_stateManager.UpdateEnabledState(featureState, ShellFeatureState.State.Rising);
}
}
foreach (var featureState in shellState.Features)
{
var featureName = featureState.Name;
if (descriptor.Features.Any(f => f.Name == featureName))
{
continue;
}
if (!featureState.IsDisabled)
{
_stateManager.UpdateEnabledState(featureState, ShellFeatureState.State.Falling);
}
}
FireApplyChangesIfNeeded();
}
