Refund policy for product returns

gistfile1.cs

public class RefundPolicy : Saga<RefundPolicy.State>, IAmStartedByMessages<OrderAccepted>, IHandleMessages<ProductsReturned>,
        IHandleTimeouts<Percent>,
        IHandleSagaNotFound
    {
        public void Handle(OrderAccepted message)
        {
            Data.OrderId = message.OrderId;
            Data.Percent = 100;

            RequestTimeout(TimeSpan.FromDays(30), 50.Percent());
            RequestTimeout(TimeSpan.FromDays(60), 0.Percent());
        }

        public void Handle(ProductsReturned message)
        {
            Bus.Send<IssueRefund>(r => r.Percent = Data.Percent);

            MarkAsComplete();
        }

        public void Timeout(Percent state)
        {
            Data.Percent = state;

            if (state.Val == 0)
                MarkAsComplete();
        }

        public void Handle(object message)
        {
            if (message is ProductsReturned)
                Console.WriteLine("No refund for you.");
        }

        public class State : ContainSagaData
        {
            public Guid OrderId { get; set; }
            public Percent Percent { get; set; }
        }

        public override void ConfigureHowToFindSaga()
        {
            ConfigureMapping<ProductsReturned>(p => p.OrderId).ToSaga(s => s.OrderId);
        }
    }