Granular Route Extensions for Nancy

gistfile1.cs

public class HomeModule : NancyModule
{
    public HomeModule()
    {
        this.RequireClaim("stuff")
            .For("GET")
            .On("/test/{claim}")
            .With(o =>
            {
                return "YAY";
            });
    }

    public RouteBuilder RegisterRoute(string verb)
    {
        return new RouteBuilder(verb, this);
    }
}

public class Builder : IForVerb, IOnRoute, IWithImplementation
{
    public Builder(NancyModule module)
    {
        Module = module;
    }

    public string Claim { get; set; }
    private string ForVerb { get; set; }
    private string ForRoute { get; set; }
    private NancyModule Module { get; set; }

    public IOnRoute For(string verb)
    {
        ForVerb = verb;

        return this;
    }

    public IWithImplementation On(string route)
    {
        ForRoute = route;

        return this;
    }

    public void With(Func<dynamic, dynamic> impl)
    {
        ((HomeModule)Module).RegisterRoute(ForVerb)[ForRoute] = _ =>
        {
            if (_.claim != "stuff")
            {
                return "fail";
            }

            return impl(_);
        };
    }
}

public static class Extensions
{
    public static IForVerb RequireClaim(this NancyModule module, string claim)
    {
        return new Builder(module)
        {
            Claim = claim
        };
    }
}

public interface IForVerb
{
    IOnRoute For(string verb);
}

public interface IOnRoute
{
    IWithImplementation On(string route);
}

public interface IWithImplementation
{
    void With(Func<dynamic, dynamic> impl);
}