bool IsFeatureRequired(ShellFeature feature)
{
// Mark SetUp as required
if (feature.ModuleId.Equals("Plato.SetUp", StringComparison.InvariantCultureIgnoreCase))
{
return(true);
}
// Returns true if the supplied feature exists within our minimal shell descriptor
var minimalDescriptor = _shellContextFactory.MinimumShellDescriptor();
return(minimalDescriptor.Modules.FirstOrDefault(m => m.ModuleId.Equals(feature.ModuleId, StringComparison.OrdinalIgnoreCase)) != null);
}
async Task EnsureFeaturesLoadedAsync()
{
if (_features == null)
{
_features = new ConcurrentDictionary <string, IShellFeature>();
var modules = await _moduleManager.LoadModulesAsync();
if (modules != null)
{
// Get explicitly enabled features
var enabledFeatures = await GetEnabledFeaturesAsync();
var enabledFeatureNames = enabledFeatures
.Select(f => f.ModuleId).ToArray();
// Build features and dependencies
foreach (var module in modules)
{
var feature = new ShellFeature(module);
feature.IsRequired = IsFeatureRequired(feature);
if (enabledFeatureNames.Contains(module.Descriptor.Id))
{
feature.IsEnabled = true;
}
foreach (var dependency in module.Descriptor.Dependencies)
{
if (enabledFeatureNames.Contains(dependency.Id))
{
dependency.IsEnabled = true;
}
}
_features.TryAdd(module.Descriptor.Id, feature);
}
}
}
}
