narsil/Tanshu.Accounts.Repository/BusinessLayer/PrintLocationBI.cs

using System.Configuration;
using NHibernate;
using Tanshu.Accounts.Entities;
using System;

namespace Tanshu.Accounts.Repository
{
    public class PrintLocationBI : UnitOfWork<PrintLocation>
    {
        public static PrintLocation BasePrinter
        {
            get
            {
                var location = ConfigurationManager.AppSettings["Location"].ToLowerInvariant();
                using (var bi = new PrintLocationBI())
                {
                    return bi.Get(x => x.Location == location && x.ProductGroup == null);
                }
            }
        }
        public static PrintLocation KotPrinter(Guid productGroupID)
        {
            var location = ConfigurationManager.AppSettings["Location"].ToLowerInvariant();
            using (var bi = new PrintLocationBI())
            {
                return bi.Get(x => x.Location == location && x.ProductGroup.ProductGroupID == productGroupID) ??
                         bi.Get(x => x.Location == location && x.ProductGroup == null);
            }
        }
    }
}