using System;
using System.Collections.Generic;

namespace Refactoring.Day8.RemoveGodClasses.Before
{
    public class CustomerService
    {
        public decimal CalculateOrderDiscount(IEnumerable<string> products, string customer)
        {
            // do work
            throw new NotImplementedException();
        }

        public bool CustomerIsValid(string customer, int order)
        {
            // do work
            throw new NotImplementedException();
        }

        public IEnumerable<string> GatherOrderErrors(IEnumerable<string> products, string customer)
        {
            // do work
            throw new NotImplementedException();
        }

        public void Register(string customer)
        {
            // do work
        }

        public void ForgotPassword(string customer)
        {
            // do work
        }
    }
}

using System;
using System.Collections.Generic;

namespace Refactoring.Day8.RemoveGodClasses.After
{
    public class CustomerOrderService
    {
        public decimal CalculateOrderDiscount(IEnumerable<string> products, string customer)
        {
            // do work
            throw new NotImplementedException();
        }

        public bool CustomerIsValid(string customer, int order)
        {
            // do work
            throw new NotImplementedException();
        }

        public IEnumerable<string> GatherOrderErrors(IEnumerable<string> products, string customer)
        {
            // do work
            throw new NotImplementedException();
        }
    }
}

namespace Refactoring.Day8.RemoveGodClasses.After
{
    public class CustomerRegistrationService
    {
        public void Register(string customer)
        {
            // do work
        }

        public void ForgotPassword(string customer)
        {
            // do work
        }
    }
}