Client.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.ServiceModel;
using Common;

namespace Client
{
    public class Program
    {
        static void Main(string[] args)
        {
            ChannelFactory<IApoteka> factory = new ChannelFactory<IApoteka>("ApotekaService");
            IApoteka proxy = factory.CreateChannel();

            Lek lek1 = new Lek(1, "Brufen", 20, new List<string> { "Jabuka", "Kruska", "Dinja" });


            proxy.DodajLek(lek1);

            IspisiSveLekove(proxy.dobaviSveLekove());

            proxy.PromeniKolicinuLek(1, 5, false);

            IspisiSveLekove(proxy.PronadjiLekNaOsnovuSastojka("Jabuka"));

            try
            {
                proxy.PromeniKolicinuLek(1, 80, false);
            }catch(FaultException<CustomException> ex)
            {
                Console.WriteLine("Err: "+ex.Message);
            }

            try
            {
                proxy.ObrisiLek(45);
            }
            catch (FaultException<CustomException> ex)
            {
                Console.WriteLine("Err: " + ex.Message);
            }

            Console.WriteLine("Pritisni taster za kraj");
            Console.ReadKey();
        }

        private static void IspisiSveLekove(List<Lek> lekovi)
        {
            Console.WriteLine("------Lekovi-----");
            foreach(Lek lek in lekovi)
            {
                Console.WriteLine(lek);
            }
            Console.WriteLine("------------");
        }
    }
}