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

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

        #endregion
        public SurveyWeightDefinitionService() { }

        private void MapObject(SurveyWeightDefinition oSurveyWeightDefinition, DataReader oReader)
        {           
            oSurveyWeightDefinition.SurveyID = oReader.GetID("SurveyID");
            oSurveyWeightDefinition.FromWeight = oReader.GetDouble("FromWeight").Value;
            oSurveyWeightDefinition.ToWeight = oReader.GetDouble("ToWeight").Value;
            oSurveyWeightDefinition.Remark = oReader.GetString("Remark");   
            this.SetObjectState(oSurveyWeightDefinition, Ease.CoreV35.ObjectState.Saved);
        }
        protected override T CreateObject<T>(DataReader oReader)
        {
            SurveyWeightDefinition oSurveyWeightDefinition = new SurveyWeightDefinition();
            MapObject(oSurveyWeightDefinition, oReader);
            return oSurveyWeightDefinition as T;
        }
        
        #region Service implementation

        public ObjectsTemplate<SurveyWeightDefinition> GetSurveyWeightDefinition(ID surveyId)
        {

            #region Cache Header

            ObjectsTemplate<SurveyWeightDefinition> oSurveyWeightDefinitions = _cache["GetSurveyWeightDefinition",surveyId] as ObjectsTemplate<SurveyWeightDefinition>;
            if (oSurveyWeightDefinitions != null)
                return oSurveyWeightDefinitions;

            #endregion

            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin();
                DataReader dr = new DataReader(SurveyWeightDefinitionDA.GetSurveyWeightDefinition(tc,surveyId.Integer));
                oSurveyWeightDefinitions = this.CreateObjects<SurveyWeightDefinition>(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(oSurveyWeightDefinitions, "GetSurveyWeightDefinition", surveyId);
            #endregion
            return oSurveyWeightDefinitions;
       
        }
        public ObjectsTemplate<SurveyWeightDefinition> GetSurveyWeightDefinition()
        {
            #region Cache Header

            ObjectsTemplate<SurveyWeightDefinition> oSurveyWeightDefinitions = _cache["GetSurveyWeightDefinition"] as ObjectsTemplate<SurveyWeightDefinition>;
            if (oSurveyWeightDefinitions != null)
                return oSurveyWeightDefinitions;

            #endregion

            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin();
                DataReader dr = new DataReader(SurveyWeightDefinitionDA.GetSurveyWeightDefinition(tc));
                oSurveyWeightDefinitions = this.CreateObjects<SurveyWeightDefinition>(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(oSurveyWeightDefinitions, "GetSurveyWeightDefinition");
            #endregion
            return oSurveyWeightDefinitions;
        }

        public ID Save(SurveyWeightDefinition oSurveyWeightDefinition)
        {
            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin(true);

                SurveyWeightDefinitionDA.DeleteSurveyWeightDefinition(tc, oSurveyWeightDefinition.SurveyID.Integer);
                SurveyWeightDefinitionDA.Insert(tc, oSurveyWeightDefinition);                
                tc.End();
                return oSurveyWeightDefinition.SurveyID;
            }
            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);
                SurveyWeightDefinitionDA.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
    }
}