public FeatureViewModel(FeatureBase feature, IFeatureController featureController)
{
_feature = feature;
_featureController = featureController;
var canAddFeature = _featureController.SelectedFeatures
.Connect()
.QueryWhenChanged(CanAddFeature);
canAddFeature = canAddFeature.StartWith(true);
AddFeatureCommand = ReactiveCommand.Create <bool>(AddFeature, canAddFeature);
_featureController.SelectedFeatures
.Connect()
.QueryWhenChanged(x => x.Contains(_feature))
.ToPropertyEx(this, x => x.IsFeatureSelected);
}
public IFeatureDisableToken Disable(string featureName, IFeatureController controller)
{
if (string.IsNullOrEmpty(featureName))
{
throw new ArgumentNullException(nameof(featureName));
}
if (controller == null)
{
throw new ArgumentNullException(nameof(controller));
}
if (!Factory.RelatedDefinitions.ContainsKey(featureName))
{
throw new ArgumentOutOfRangeException(nameof(featureName), $"Feature {featureName} is not registered");
}
var token = new FeatureDisableToken(this, featureName, controller);
var annulations = Annulations[featureName];
if (annulations.Contains(controller))
{
return(token); // This controller already disables this feature
}
annulations.Add(controller);
if (annulations.Count == 1) // Notify of update
{
Factory.GuardedOperations.RaiseEvent(this, StateUpdated, new FeatureUpdatedEventArgs(featureName));
}
Factory.Telemetry?.PostEvent(
TelemetryEventType.Operation,
TelemetryDisableEventName,
TelemetryResult.Success,
(TelemetryFeatureNameKey, featureName),
(TelemetryControllerKey, controller.GetType().ToString()),
(TelemetryGlobalScopeKey, Parent == null)
);
return(token);
}
internal FeatureDisableToken(FeatureService service, string featureName, IFeatureController controller)
{
this.service = service;
this.featureName = featureName;
this.controller = controller;
}
