using System;
using System.Collections.Generic;
using System.Text;
using System.Data;
using System.Data.SqlClient;
using Csla;
using Csla.Data;

namespace VEPROMS.CSLA.Library
{
	public partial class ROImageInfo
	{
		public static ROImageInfo GetByROFstID_FileName(int rOFstID, string fileName)
		{
			//if (!CanGetObject())
			//    throw new System.Security.SecurityException("User not authorized to view a ROImage");
			try
			{
				ROImageInfo tmp = DataPortal.Fetch<ROImageInfo>(new ROFstID_FileNameCriteria(rOFstID, fileName));
				if (tmp.ErrorMessage == "No Record Found")
				{
					tmp.Dispose(); // Clean-up ROImage
					tmp = null;
				}
				return tmp;
			}
			catch (Exception ex)
			{
				throw new DbCslaException("Error on ROImage.GetByROFstID_FileName", ex);
			}
		}
		private void DataPortal_Fetch(ROFstID_FileNameCriteria criteria)
		{
			if (_MyLog.IsDebugEnabled) _MyLog.DebugFormat("[{0}] ROImageInfo.DataPortal_Fetch", GetHashCode());
			try
			{
				using (SqlConnection cn = Database.VEPROMS_SqlConnection)
				{
					ApplicationContext.LocalContext["cn"] = cn;
					using (SqlCommand cm = cn.CreateCommand())
					{
						cm.CommandType = CommandType.StoredProcedure;
						cm.CommandText = "getROImageByROFstID_FileName";
						cm.Parameters.AddWithValue("@ROFstID", criteria.ROFstID);
						cm.Parameters.AddWithValue("@FileName", criteria.FileName);
						using (SafeDataReader dr = new SafeDataReader(cm.ExecuteReader()))
						{
							if (!dr.Read())
							{
								_ErrorMessage = "No Record Found";
								return;
							}
							ReadData(dr);
						}
					}
					// removing of item only needed for local data portal
					if (ApplicationContext.ExecutionLocation == ApplicationContext.ExecutionLocations.Client)
						ApplicationContext.LocalContext.Remove("cn");
				}
			}
			catch (Exception ex)
			{
				if (_MyLog.IsErrorEnabled) _MyLog.Error("ROImageInfo.DataPortal_Fetch", ex);
				_ErrorMessage = ex.Message;
				throw new DbCslaException("ROImageInfo.DataPortal_Fetch", ex);
			}
		}
		[Serializable()]
		private class ROFstID_FileNameCriteria
		{
			private int _ROFstID;

			public int ROFstID
			{ get { return _ROFstID; } }
			private string _FileName;
			public string FileName
			{ get { return _FileName; } }
			public ROFstID_FileNameCriteria(int rOFstID, string fileName)
			{
				_ROFstID = rOFstID;
				_FileName = fileName;
			}
		}
	}
}