using System;
using Ease.Core.Model;
using Ease.Core.DataAccess;
using Ease.Core.Utility;
using System.Collections.Generic;
using HRM.BO;
using System.Data;

namespace HRM.DA
{
    public class ObjectGroupingService : ServiceTemplate
    {
        #region Constructor

        public ObjectGroupingService()
        {
        }

        #endregion

        private void MapObject(ObjectGrouping oObjectGrouping, DataReader dr)
        {
            base.SetObjectID(oObjectGrouping, dr.GetInt32("GroupingId").Value);
            oObjectGrouping.Name = dr.GetString("Name");

            this.SetObjectState(oObjectGrouping, Ease.Core.ObjectState.Saved);
        }

        protected override T CreateObject<T>(DataReader dr)
        {
            ObjectGrouping oObjectGrouping = new ObjectGrouping();
            MapObject(oObjectGrouping, dr);
            return oObjectGrouping as T;
        }

        #region Service Implementation

        public void Save(ObjectGrouping objectGrouping)
        {
            try
            {
                TransactionContext tc = null;
                try
                {
                    #region Saving data

                    tc = TransactionContext.Begin(true);

                    if (objectGrouping.IsNew)
                    {
                        int newID = ObjectGroupingDA.GenID(tc);
                        base.SetObjectID(objectGrouping, newID);
                        ObjectGroupingDA.Insert(tc, objectGrouping);
                    }
                    else
                        ObjectGroupingDA.Update(tc, objectGrouping);

                    tc.End();

                    #endregion
                }
                catch (Exception e)
                {
                    #region Handle Exception

                    if (tc != null)
                        tc.HandleError();

                    throw new ServiceException(e.Message, e);

                    #endregion
                }
            }
            catch (Exception e)
            {
                throw new ServiceException(e.Message, e);
            }
        }

        public void Delete(int objectGroupingID)
        {
            {
                try
                {
                    TransactionContext tc = null;
                    try
                    {
                        #region Deleting data

                        tc = TransactionContext.Begin(true);

                        ObjectGroupingDA.Delete(tc, objectGroupingID);

                        tc.End();

                        #endregion
                    }
                    catch (Exception e)
                    {
                        #region Handle Exception

                        if (tc != null)
                            tc.HandleError();

                        throw new ServiceException(e.Message, e);

                        #endregion
                    }
                }
                catch (Exception e)
                {
                    throw new ServiceException(e.Message, e);
                }
            }
        }

        public ObjectGrouping Get(int ObjectGroupingID)
        {
            ObjectGrouping objectGrouping;

            TransactionContext tc = null;
            try
            {
                #region Retrieving data

                tc = TransactionContext.Begin();

                DataReader iReader = new DataReader(ObjectGroupingDA.Get(tc, ObjectGroupingID));
                objectGrouping = this.CreateObject<ObjectGrouping>(iReader);

                tc.End();

                #endregion
            }
            catch (Exception e)
            {
                #region Handle Exception

                if (tc != null)
                    tc.HandleError();

                throw new ServiceException(e.Message, e);

                #endregion
            }

            return objectGrouping;
        }

        public ObjectGroupingCollection Get()
        {
            ObjectGroupingCollection grps;

            TransactionContext tc = null;
            try
            {
                #region Retrieving data

                tc = TransactionContext.Begin();

                DataReader iReader = new DataReader(ObjectGroupingDA.Get(tc));
                grps = this.CreateObject<ObjectGroupingCollection>(iReader);

                tc.End();

                #endregion
            }
            catch (Exception e)
            {
                #region Handle Exception

                if (tc != null)
                    tc.HandleError();

                throw new ServiceException(e.Message, e);

                #endregion
            }

            return grps;
        }

        #endregion
    }
}