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 class District Service
    [Serializable]
    public class DistrictService : ServiceTemplate, IDistrictService 
    {
        #region Private functions and declaration
        Cache _cache = new Cache(typeof(District));
        #endregion

        #region constructor
        public DistrictService() { }
        #endregion

        #region object

        private void MapObject(District oDistrict, DataReader oReader)
        {
            base.SetObjectID(oDistrict, oReader.GetID("DISTRICTID"));
            oDistrict.Code = oReader.GetString("CODE");
            oDistrict.Name = oReader.GetString("NAME");
            oDistrict.DivisionID = oReader.GetID("DIVISIONID");
            oDistrict.Sequence = oReader.GetInt32("SequenceNo").Value;
            oDistrict.Status = (EnumStatus)oReader.GetInt32("Status").Value;
            oDistrict.CreatedBy = oReader.GetID("CreatedBy");
            oDistrict.CreatedDate = oReader.GetDateTime("CreationDate").Value;
            oDistrict.ModifiedBy = oReader.GetID("ModifiedBy");
            oDistrict.ModifiedDate = oReader.GetDateTime("ModifiedDate");

            this.SetObjectState(oDistrict, Ease.CoreV35.ObjectState.Saved);
        }

        protected override T CreateObject<T>(DataReader oReader)
        {
            District oDistrict = new District();
            MapObject(oDistrict, oReader);
            return oDistrict as T;
        }

        protected District CreateObject(DataReader oReader)
        {
            District oDistrict = new District();
            MapObject(oDistrict, oReader);
            return oDistrict;
        }

        #endregion

        #region Service implementation
        
        public District Get(ID id)
        {
            District oDistrict = new District();
            #region Cache Header
            oDistrict = _cache["Get", id] as District;
            if (oDistrict != null)
                return oDistrict;
            #endregion
            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin();
                DataReader oreader = new DataReader(DistrictDA.Get(tc, id));
                if (oreader.Read())
                {
                    oDistrict = this.CreateObject<District>(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(oDistrict, "Get", id);
            #endregion
            return oDistrict;
        }
        public District Get(string sCode)
        {
            District oDistrict = new District();
            #region Cache Header
            oDistrict = _cache["Get", sCode] as District;
            if (oDistrict != null)
                return oDistrict;
            #endregion
            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin();
                DataReader oreader = new DataReader(DistrictDA.Get(tc, sCode));
                if (oreader.Read())
                {
                    oDistrict = this.CreateObject<District>(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(oDistrict, "Get", sCode);
            #endregion
            return oDistrict;
        }

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

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

            #endregion

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

                DataReader dr = new DataReader(DistrictDA.Get(tc));
                districts = this.CreateObjects<District>(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(districts, "Get");

            #endregion

            return districts;
        }

        public ObjectsTemplate<District> Get(EnumStatus status)
        {
            #region Cache Header

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

            #endregion

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

                DataReader dr = new DataReader(DistrictDA.Get(tc, status));
                districts = this.CreateObjects<District>(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(districts, "Get", status);

            #endregion

            return districts;
        }
   
        public ID Save(District oDistrict)
        {
            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin(true);
                if (oDistrict.IsNew)
                {
                    int id = tc.GenerateID("DISTRICT", "DISTRICTID");
                    base.SetObjectID(oDistrict, ID.FromInteger(id));
                    DistrictDA.Insert(tc, oDistrict);
                }
                else
                {
                    DistrictDA.Update(tc, oDistrict);
                }
                tc.End();
                return oDistrict.ID;
            }
            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);
                DistrictDA.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
}