using System;
using System.Collections.Generic;
using System.Linq;
using BoundaryLab.Domain;

namespace BoundaryLab.Application;

public record QuoteResult(int Units, int Total);
public interface IQuotePresenter { void Present(QuoteResult result); }
public sealed class QuoteUseCase(IQuotePresenter presenter)
{
    public void Execute(Order order) => presenter.Present(new QuoteResult(order.Units, order.Total(3)));
}