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 SurveyEmployeeService : ServiceTemplate, ISurveyEmployeeService
    {
         #region Private functions and declaration
        Cache _cache = new Cache(typeof(SurveyEmployee));

        #endregion
        public SurveyEmployeeService() { }

        private void MapObject(SurveyEmployee oSurveyEmployee, DataReader oReader)
        {
           // base.SetObjectID(oSurveyEmployee, oReader.GetID("SurveyEmployeeID"));
            oSurveyEmployee.SurveyID = oReader.GetID("SurveyID");
            oSurveyEmployee.EmployeeID = oReader.GetInt32("EmployeeID").GetValueOrDefault();           
            this.SetObjectState(oSurveyEmployee, Ease.CoreV35.ObjectState.Saved);
        }
        protected override T CreateObject<T>(DataReader oReader)
        {
            SurveyEmployee oSurveyEmployee = new SurveyEmployee();
            MapObject(oSurveyEmployee, oReader);
            return oSurveyEmployee as T;
        }
        
        #region Service implementation

        public ObjectsTemplate<SurveyEmployee> GetSurveyEmployee(ID surveyId)
        {

            #region Cache Header

            ObjectsTemplate<SurveyEmployee> oSurveyEmployees = _cache["GetSurveyEmployee",surveyId] as ObjectsTemplate<SurveyEmployee>;
            if (oSurveyEmployees != null)
                return oSurveyEmployees;

            #endregion

            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin();
                DataReader dr = new DataReader(SurveyEmployeeDA.GetSurveyEmployee(tc,surveyId.Integer));
                oSurveyEmployees = this.CreateObjects<SurveyEmployee>(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(oSurveyEmployees, "GetSurveyEmployee", surveyId);
            #endregion
            return oSurveyEmployees;
       
        }
        public ObjectsTemplate<SurveyEmployee> GetSurveyEmployee()
        {
            #region Cache Header

            ObjectsTemplate<SurveyEmployee> oSurveyEmployees = _cache["GetSurveyEmployee"] as ObjectsTemplate<SurveyEmployee>;
            if (oSurveyEmployees != null)
                return oSurveyEmployees;

            #endregion

            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin();
                DataReader dr = new DataReader(SurveyEmployeeDA.GetSurveyEmployee(tc));
                oSurveyEmployees = this.CreateObjects<SurveyEmployee>(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(oSurveyEmployees, "GetSurveyEmployee");
            #endregion
            return oSurveyEmployees;
        }

        public ID Save(SurveyEmployee oSurveyEmployee)
        {
            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin(true);
                
                if (oSurveyEmployee.IsNew)
                {

                    //int id = tc.GenerateID("SurveyEmployee", "SurveyEmployeeID");
                    //base.SetObjectID(oSurveyEmployee, ID.FromInteger(id));


                    SurveyEmployeeDA.Insert(tc, oSurveyEmployee);
                }
                else
                {
                    SurveyEmployeeDA.Update(tc, oSurveyEmployee);
                }
                tc.End();
                return oSurveyEmployee.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);
                SurveyEmployeeDA.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
    }
}