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 OccupationService
    [Serializable]
    public class OccupationService : ServiceTemplate, IOccupationService
    {
        #region Private functions and declaration
        Cache _cache = new Cache(typeof(Occupation));
        #endregion

        #region constructor
        public OccupationService() { }
        #endregion

        #region Object
        private void MapObject(Occupation oOccupation, DataReader oReader)
        {
            base.SetObjectID(oOccupation, oReader.GetID("OCCUPATIONID"));
            oOccupation.Code = oReader.GetString("CODE");
            oOccupation.Description = oReader.GetString("DESCRIPTION");
            oOccupation.Sequence = oReader.GetInt32("SequenceNo").Value;
            oOccupation.Status = (EnumStatus)oReader.GetInt32("Status").Value;
            oOccupation.CreatedBy = oReader.GetID("CreatedBy");
            oOccupation.CreatedDate = oReader.GetDateTime("CreationDate").Value ;
            oOccupation.ModifiedBy = oReader.GetID("ModifiedBy");
            oOccupation.ModifiedDate = oReader.GetDateTime("ModifiedDate");

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

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

        protected Occupation CreateObject(DataReader oReader)
        {
            Occupation oOccupation = new Occupation();
            MapObject(oOccupation, oReader);
            return oOccupation;
        }

        #endregion

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

        public Occupation Get(string sCode)
        {
            Occupation oOccupation = new Occupation();
            #region Cache Header
            oOccupation = _cache["Get", sCode] as Occupation;
            if (oOccupation != null)
                return oOccupation;
            #endregion
            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin();
                DataReader oreader = new DataReader(OccupationDA.Get(tc, sCode));
                if (oreader.Read())
                {
                    oOccupation = this.CreateObject<Occupation>(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(oOccupation, "Get", sCode);
            #endregion
            return oOccupation;
        }

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

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

            #endregion

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

                DataReader dr = new DataReader(OccupationDA.Get(tc));
                occupations = this.CreateObjects<Occupation>(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(occupations, "Get");

            #endregion

            return occupations;
        }

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

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

            #endregion

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

                DataReader dr = new DataReader(OccupationDA.Get(tc, status));
                occupations = this.CreateObjects<Occupation>(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(occupations, "Get", status);

            #endregion

            return occupations;
        }

        public ID Save(Occupation oOccupation)
        {
            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin(true);
                if (oOccupation.IsNew)
                {
                    int id = tc.GenerateID("OCCUPATION", "OCCUPATIONID");
                    base.SetObjectID(oOccupation, ID.FromInteger(id));
                    OccupationDA.Insert(tc, oOccupation);
                }
                else
                {
                    OccupationDA.Update(tc, oOccupation);
                }
                tc.End();
                return oOccupation.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);
                OccupationDA.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
}