Adapter-pattern

adapter-pattern.cs

using System;
using System.Net.Http;

namespace Vlao
{
    class Program
    {
        static void Main(string[] args)
        {
            ICourierService courierDhl = new DHLWebServiceAdapter();
            ICourierService servi = new ServiEntregaWebServiceAdapter();

            ICourierService[] serviciosDeEntrega = new ICourierService[]{courierDhl, servi};

            double quote=9999999;
            int electedServiceIndex=0;
            for (int i = 0; i < serviciosDeEntrega.Length; i++)
            {
                var tempQuote = serviciosDeEntrega[i].GetQuote();
                if(quote>tempQuote)
                {
                    quote = tempQuote;
                    electedServiceIndex = i;
                }
            }

            serviciosDeEntrega[electedServiceIndex].EnviarPaquete();

            serviciosDeEntrega[electedServiceIndex].RecogerPaquete();
            
        }
    }

    public interface ICourierService {

        double GetQuote();
        void EnviarPaquete();

        void RecogerPaquete();

        void ConfirmarEntrega(int entregaID);
    }

    public class DHLWebServiceAdapter: ICourierService {

        DHLWebService dHLWebService;
        public DHLWebServiceAdapter()
        {
            dHLWebService = new DHLWebService();
        }

        void ICourierService.ConfirmarEntrega(int entregaID)
        {
            dHLWebService.ConfirmDelivery(entregaID);
        }

        void ICourierService.EnviarPaquete()
        {
            dHLWebService.SendPackage();
        }

        double ICourierService.GetQuote()
        {
            dHLWebService.GetQuote();
            return 0;
        }

        void ICourierService.RecogerPaquete()
        {
            throw new NotImplementedException("DHL no ofrece este servicio.");
        }
    }

    public class DHLWebService
    {
        HttpClient client;

        public DHLWebService()
        {
            client = new HttpClient();
        }

        public double GetQuote()
        {
            var url = "dhl.com/api/getquote";
            client.GetAsync(url);
            return 0;
        }

        public void SendPackage()
        {
           var url = "dhl.com/api/sendPackage";
            client.GetAsync(url);
        }

        public void ConfirmDelivery(int id)
        {
           var url = "dhl.com/api/confirmDelivery";
            client.GetAsync(url);
        }
    }

    public class ServiEntregaWebServiceAdapter : ICourierService
    {
        ServiEntregaWebService service;

        public ServiEntregaWebServiceAdapter()
        {
            service = new ServiEntregaWebService();
        }

        void ICourierService.ConfirmarEntrega(int entregaID)
        {
            throw new Exception("Este tipo no confirma nada!");
        }

        void ICourierService.EnviarPaquete()
        {
            service.Enviar();
        }

        double ICourierService.GetQuote()
        {
            return service.Cotizacion();
        }

        void ICourierService.RecogerPaquete()
        {
            throw new NotImplementedException();
        }
    }

    public class ServiEntregaWebService
    {
        HttpClient client;

        public ServiEntregaWebService()
        {
            client = new HttpClient();
        }

        public double Cotizacion()
        {
            var url = "se.com/api/cotizacion";
            client.GetAsync(url);

            return 0;
        }

        public void Enviar()
        {
           var url = "se.com/api/enviarPaquete";
            client.GetAsync(url);
        }

        public void RecogerPaquete()
        {
            // Recoger paquete.
        }
    }

}