Feature toggle boilerplate

FeaturesActivator.cs

public class FeaturesActivator : IActivator 
{
    private readonly FeatureSettings _featureSettings;
    private readonly ContentExtensionGraph _extensionGraph;

    public FeaturesActivator(FeatureSettings featureSettings, ContentExtensionGraph extensionGraph)
    {
        _featureSettings = featureSettings;
        _extensionGraph = extensionGraph;
    }

    public void Activate(IEnumerable<IPackageInfo> packages, IPackageLog log)
    {
        if (_featureSettings.SpecialFeatureEnabled)
        {
            _extensionGraph.Register("feature-area", new LambdaExtension<HomeModel>(page => page.Partial<SpecialFeatureInput>()));
        }
        if (_featureSettings.SomeOtherFeatureEnabled)
        {
            _extensionGraph.Register("feature-area", new LambdaExtension<HomeModel>(page => new HtmlTag("h3").Text("HtmlTag Toggle On!")));
        }
    }
}

FeatureSettings.cs

public class FeatureSettings
{
    public bool SpecialFeatureEnabled { get; set; }
    public bool SomeOtherFeatureEnabled { get; set; }
}

FeatureToggleFubuRegistry.cs

public class FeatureToggleFubuRegistry : FubuRegistry
{
    public FeatureToggleFubuRegistry()
    {
        Services(x =>
        {
            x.AddService(new ContentExtensionGraph());
            x.FillType<IActivator, FeaturesActivator>();
        });
    }
}

SpecialFeature.cshtml

@model FeatureToggleSample.SpecialFeatureModel

<div>
    <h2>@Model.SpecialMessage</h2>
</div>

SpecialFeatureEndpoint.cs

public class SpecialFeatureEndpoint
{
    public SpecialFeatureModel get_feature(SpecialFeatureInput input)
    {
        return new SpecialFeatureModel {SpecialMessage = "Feature Toggle On!"};
    }
}

SpecialFeatureInput.cs

public class SpecialFeatureInput
{
}

SpecialFeatureModel.cs

public class SpecialFeatureModel
{
    public string SpecialMessage { get; set; }
}