using System;
using System.Data;
using System.Linq;
using Ease.CoreV35;
using Ease.CoreV35.Model;
using Ease.CoreV35.DataAccess;
using System.Collections.Generic;
using Payroll.BO;
using Ease.CoreV35.Caching;

namespace Payroll.Service
{
    #region OTSlab Service
    [Serializable]
    public class OTSlabService : ServiceTemplate, IOTSlabService
    {
        #region Private functions and declaration
        Cache _cache = new Cache(typeof(OTSlab));

        #endregion
        public OTSlabService() { }

        private void MapObject(OTSlab oOTSlab, DataReader oReader)
        {
            base.SetObjectID(oOTSlab, oReader.GetID("OTSlabID"));
            oOTSlab.Hours = oReader.GetInt32("hours").Value;
            oOTSlab.Amount = oReader.GetInt32("amount").Value;
            oOTSlab.TermID = oReader.GetID("TermID");
            this.SetObjectState(oOTSlab, Ease.CoreV35.ObjectState.Saved);
        }
        protected override T CreateObject<T>(DataReader oReader)
        {
            OTSlab oOTSlab = new OTSlab();
            MapObject(oOTSlab, oReader);
            return oOTSlab as T;
        }
        protected OTSlab CreateObject(DataReader oReader)
        {
            OTSlab oOTSlab = new OTSlab();
            MapObject(oOTSlab, oReader);
            return oOTSlab;
        }
        #region Service implementation
        public OTSlab Get(ID id)
        {
            OTSlab oOTSlab = new OTSlab();
            #region Cache Header
            oOTSlab = _cache["Get", id] as OTSlab;
            if (oOTSlab != null)
                return oOTSlab;
            #endregion
            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin();
                DataReader oreader = new DataReader(OTSlabDA.Get(tc, id));
                if (oreader.Read())
                {
                    oOTSlab = this.CreateObject<OTSlab>(oreader);
                }
                oreader.Close();
                tc.End();
            }
            catch (Exception e)
            {
                #region Handle Exception
                if (tc != null)
                    tc.HandleError();
                ExceptionLog.Write(e);
                throw new ServiceException(e.Message, e);
                #endregion
            }
            #region Cache Footer
            _cache.Add(oOTSlab, "Get", id);
            #endregion
            return oOTSlab;
        }

        public ObjectsTemplate<OTSlab> Get()
        {
            #region Cache Header

            ObjectsTemplate<OTSlab> oTSlabs = _cache["Get"] as ObjectsTemplate<OTSlab>;
            if (oTSlabs != null)
                return oTSlabs;

            #endregion

            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin();

                DataReader dr = new DataReader(OTSlabDA.Get(tc));
                oTSlabs = this.CreateObjects<OTSlab>(dr);
                dr.Close();

                tc.End();
            }
            catch (Exception e)
            {
                #region Handle Exception

                if (tc != null)
                    tc.HandleError();
                ExceptionLog.Write(e);

                throw new ServiceException(e.Message, e);

                #endregion
            }

            #region Cache Footer

            _cache.Add(oTSlabs, "Get");

            #endregion

            return oTSlabs;
        }

        public ObjectsTemplate<OTSlab> GetByTermID(ID nTermID)
        {
            #region Cache Header

            ObjectsTemplate<OTSlab> oTSlabs = _cache["Get",nTermID] as ObjectsTemplate<OTSlab>;
            if (oTSlabs != null)
                return oTSlabs;

            #endregion

            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin();

                DataReader dr = new DataReader(OTSlabDA.GetByTermID(tc,nTermID));
                oTSlabs = this.CreateObjects<OTSlab>(dr);
                dr.Close();

                tc.End();
            }
            catch (Exception e)
            {
                #region Handle Exception

                if (tc != null)
                    tc.HandleError();
                ExceptionLog.Write(e);

                throw new ServiceException(e.Message, e);

                #endregion
            }

            #region Cache Footer

            _cache.Add(oTSlabs, "Get",nTermID);

            #endregion

            return oTSlabs;
        }

        public ID Save(OTSlab oOTSlab)
        {
            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin(true);
                if (oOTSlab.IsNew)
                {
                    int id = tc.GenerateID("OTSlab", "OTSlabID");
                    base.SetObjectID(oOTSlab, ID.FromInteger(id)); 
                    OTSlabDA.Insert(tc, oOTSlab);
                }
                else
                {
                    OTSlabDA.Update(tc, oOTSlab);
                }
                tc.End();
                return oOTSlab.ID;
            }
            catch (Exception e)
            {
                #region Handle Exception
                if (tc != null)
                    tc.HandleError();
                ExceptionLog.Write(e);
                throw new ServiceException(e.Message, e);
                #endregion
            }
        }

        public void Save(ObjectsTemplate<OTSlab> _OTSlabs)
        {
            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin(true);
                OTSlabDA.DeleteByTermID(tc, _OTSlabs[0].TermID);
                foreach (OTSlab oTSlab in _OTSlabs)
                {
                    if (oTSlab.IsNew)
                    {
                        int id = tc.GenerateID("OTSlab", "OTSlabID");
                        base.SetObjectID(oTSlab, ID.FromInteger(id));
                        OTSlabDA.Insert(tc, oTSlab);
                    }
                }
                tc.End();
            }
            catch (Exception e)
            {
                #region Handle Exception
                if (tc != null)
                    tc.HandleError();
                ExceptionLog.Write(e);
                throw new ServiceException(e.Message, e);
                #endregion
            }
        }

        public void Delete(ID id)
        {
            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin(true);
                OTSlabDA.Delete(tc, id);
                tc.End();
            }
            catch (Exception e)
            {
                #region Handle Exception
                if (tc != null)
                    tc.HandleError();
                ExceptionLog.Write(e);
                throw new ServiceException(e.Message, e);
                #endregion
            }
        }
        #endregion
    }
    #endregion
}