///////////////////////////////////////////////////////////
//  Bool.cs
//  Implementation of Class ScheduledUserCountFetcher
//  CSLA type: Read-only object
//  Created on: 25-Sept-2007
//  Object design: John 
//	Coded: 25-Sept-2007
///////////////////////////////////////////////////////////

using System;
using System.Data;
using CSLA.Data;
using GZTW.Data;
using CSLA;
using System.Threading;
using CSLA.Security;
using System.ComponentModel;



namespace GZTW.AyaNova.BLL
{
    //case 504
    /// <summary>
    ///Gets a count of user schedulings to prevent logical data corruption
    ///when attempting to change user type or active status
    ///in the AyaNova database
    /// </summary>
    [Serializable, EditorBrowsable(EditorBrowsableState.Never)]
    internal class ScheduledUserCountFetcher : ReadOnlyBase
    {

        #region Attributes
        long _ScheduledCount = 0;
       // Guid _ID;
        
        #endregion

        #region Constructor

        /// <summary>
        /// Private constructor to prevent direct instantiation
        /// </summary>
        private ScheduledUserCountFetcher()
        {

        }
        #endregion


        #region Static methods




        internal static long ScheduledCount(Guid ID, bool OpenWorkordersOnly)
        {

            return ((ScheduledUserCountFetcher)DataPortal.Fetch(new Criteria(ID,OpenWorkordersOnly)))._ScheduledCount;

        }


        #endregion

        #region DAL DATA ACCESS
        /// 
        /// <param Bool="Criteria"></param>
        protected override void DataPortal_Fetch(object Criteria)
        {
            Criteria crit = (Criteria)Criteria;
            if (crit.OpenWorkordersOnly)
            {
                DBCommandWrapper dbCommandWrapper = DBUtil.DB.GetSqlStringCommandWrapper(
                    "SELECT COUNT(*) AS aquant " +
                    "FROM " +
                    "  AWORKORDERITEMSCHEDULEDUSER " +
                    "  INNER JOIN AWORKORDERITEM ON (AWORKORDERITEMSCHEDULEDUSER.AWORKORDERITEMID = AWORKORDERITEM.AID) " +
                    "  INNER JOIN AWORKORDER ON (AWORKORDERITEM.AWORKORDERID = AWORKORDER.AID) " +
                    "WHERE " +
                    "  (AWORKORDER.ACLOSED = @aFalse) AND " +
                    "  (AWORKORDERITEMSCHEDULEDUSER.AUSERID = @ID) ");
                dbCommandWrapper.AddInParameter("@ID", DbType.Guid, crit.ID);
                dbCommandWrapper.AddInParameter("@aFalse", DbType.Boolean, false);


                _ScheduledCount = DBUtil.ScalarToLong(DBUtil.DB.ExecuteScalar(dbCommandWrapper));
            }
            else
            {
                _ScheduledCount = DBUtil.ScalarToLong(DBUtil.GetScalarFromSQLString(
                    "SELECT COUNT(*) AS aquant FROM aWorkorderItemScheduledUser " +
                    "where aUserID=@ID ", crit.ID
                    ));
            }

        }



        #endregion

        #region criteria
        /// <summary>
        /// Criteria for identifying existing object
        /// </summary>
        [Serializable]
        private class Criteria
        {

            public Guid ID;
            public bool OpenWorkordersOnly;
            public Criteria(Guid _ID, bool _OpenWorkordersOnly)
            {
                ID = _ID;
                OpenWorkordersOnly = _OpenWorkordersOnly;


            }

        }
        #endregion

    }//end class

}//end namespace GZTW.AyaNova.BLL