zszq-trs/YLErpDAL/Modules/TradeModule/TradeGroupBLL.cs

using BaseOUDAL;

namespace YLErp.BLL
{
    public class trade_groupBLL
    {
        private YLContext db = new YLContext();

        public static volatile bool IsListOld = true;

        public static object TradeGroupListLock = new object();

        private static List<TradeGroup> Alltrade_groupModel = null;

        public static List<TradeGroup> GetAlltrade_groupModel()
        {
            if (Alltrade_groupModel == null)
            {
                lock (TradeGroupListLock)
                {
                    if (Alltrade_groupModel == null)
                    {
                        using (YLContext con = new YLContext())
                        {
                            Alltrade_groupModel = con.trade_group.ToList();
                        }
                    }
                }
            }
            return Alltrade_groupModel;
        }

        public static void RefreshTradeGroupWithTask()
        {
            Task.Factory.StartNew(RefreshTradeGroupModel);
        }

        public static void RefreshTradeGroupModel()
        {
            Alltrade_groupModel = null;
            lock (TradeGroupListLock)
            {
                using (YLContext con = new YLContext())
                {
                    Alltrade_groupModel = con.trade_group.ToList();
                }
            }
        }
        /// <summary>
        /// 查询trade_group
        /// </summary>
        public SearchListResult<TradeGroup> SearchList(TradeGroupReq req)
        {
            var query = from source in db.trade_group select source;
            if (req.OptId != null)
            {
                query = query.Where(d => d.OptId == req.OptId);
            }

            if (!string.IsNullOrEmpty(req.OptName))
            {
                query = query.Where(d => d.OptName.Contains(req.OptName));
            }

            if (req.ValidState == "InValid")
            {
                query = query.Where(d => d.ValidState.Equals(req.ValidState));
            }
            else
            {
                query = query.Where(d => !d.ValidState.Equals("InValid"));
            }

            if (req.OptDateStart != DateTime.MinValue)
            {
                query = query.Where(d => d.OptDate >= req.OptDateStart);
            }

            if (req.OptDateEnd != DateTime.MinValue)
            {
                DateTime OptDateTemp = req.OptDateEnd.AddDays(1);
                query = query.Where(d => d.OptDate < OptDateTemp);
            }
            if (!string.IsNullOrEmpty(req.GroupName))
            {
                query = query.Where(d => d.GroupName.Contains(req.GroupName));
            }

            if (string.IsNullOrEmpty(req.sidx))
            {
                req.sidx = "id";
                req.sord = "desc";
            }
            SearchListResult<TradeGroup> retListResult = query.ToSearchList(req);



            return retListResult;
        }
    }
}