// ========================================================================
// Copyright 2007 - Volian Enterprises, Inc. All rights reserved.          
// Volian Enterprises - Proprietary Information - DO NOT COPY OR DISTRIBUTE
// ------------------------------------------------------------------------
// $Workfile: $     $Revision: $                                           
// $Author: $   $Date: $                                                   
//                                                                         
// $History: $                                                             
// ========================================================================

using System;
using System.Data;
using System.Data.SqlClient;
using Csla;
using Csla.Data;
using System.Configuration;
using System.IO;
using System.ComponentModel;
using System.Collections.Generic;
namespace VEPROMS.CSLA.Library
{
    public delegate void ROImageInfoEvent(object sender);
    /// <summary>
    ///	ROImageInfo Generated by MyGeneration using the CSLA Object Mapping template
    /// </summary>
    [Serializable()]
    [TypeConverter(typeof(ROImageInfoConverter))]
    public partial class ROImageInfo : ReadOnlyBase<ROImageInfo>, IDisposable
    {
        public event ROImageInfoEvent Changed;
        private void OnChange()
        {
            if (Changed != null) Changed(this);
        }
        #region Log4Net
        private static readonly log4net.ILog _MyLog = log4net.LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType);
        #endregion
        #region Collection
        private static List<ROImageInfo> _CacheList = new List<ROImageInfo>();
        protected static void AddToCache(ROImageInfo rOImageInfo)
        {
            if (!_CacheList.Contains(rOImageInfo)) _CacheList.Add(rOImageInfo); // In AddToCache
        }
        protected static void RemoveFromCache(ROImageInfo rOImageInfo)
        {
            while (_CacheList.Contains(rOImageInfo)) _CacheList.Remove(rOImageInfo); // In RemoveFromCache
        }
        private static Dictionary<string, List<ROImageInfo>> _CacheByPrimaryKey = new Dictionary<string, List<ROImageInfo>>();
        private static void ConvertListToDictionary()
        {
            List<ROImageInfo> remove = new List<ROImageInfo>();
            foreach (ROImageInfo tmp in _CacheList)
            {
                if (!_CacheByPrimaryKey.ContainsKey(tmp.ImageID.ToString()))
                {
                    _CacheByPrimaryKey[tmp.ImageID.ToString()] = new List<ROImageInfo>(); // Add new list for PrimaryKey
                }
                _CacheByPrimaryKey[tmp.ImageID.ToString()].Add(tmp); // Add to Primary Key list
                remove.Add(tmp);
            }
            foreach (ROImageInfo tmp in remove)
                RemoveFromCache(tmp);
        }
        internal static void AddList(ROImageInfoList lst)
        {
            foreach (ROImageInfo item in lst) AddToCache(item);
        }
        protected static ROImageInfo GetCachedByPrimaryKey(int imageID)
        {
            ConvertListToDictionary();
            string key = imageID.ToString();
            if (_CacheByPrimaryKey.ContainsKey(key)) return _CacheByPrimaryKey[key][0];
            return null;
        }
        #endregion
        #region Business Methods
        private string _ErrorMessage = string.Empty;
        public string ErrorMessage
        {
            get { return _ErrorMessage; }
        }
        protected ROImage _Editable;
        private IVEHasBrokenRules HasBrokenRules
        {
            get
            {
                IVEHasBrokenRules hasBrokenRules = null;
                if (_Editable != null)
                    hasBrokenRules = _Editable.HasBrokenRules;
                return hasBrokenRules;
            }
        }
        private int _ImageID;
        [System.ComponentModel.DataObjectField(true, true)]
        public int ImageID
        {
            [System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
            get
            {
                return _ImageID;
            }
        }
        private int _RODbID;
        public int RODbID
        {
            [System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
            get
            {
                if (_MyRODb != null) _RODbID = _MyRODb.RODbID;
                return _RODbID;
            }
        }
        private RODbInfo _MyRODb;
        public RODbInfo MyRODb
        {
            [System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
            get
            {
                if (_MyRODb == null && _RODbID != 0) _MyRODb = RODbInfo.Get(_RODbID);
                return _MyRODb;
            }
        }
        private string _FileName = string.Empty;
        public string FileName
        {
            [System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
            get
            {
                return _FileName;
            }
        }
        private byte[] _Content;
        public byte[] Content
        {
            [System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
            get
            {
                return _Content;
            }
        }
        private DateTime _DTS = new DateTime();
        public DateTime DTS
        {
            [System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
            get
            {
                return _DTS;
            }
        }
        private string _UserID = string.Empty;
        public string UserID
        {
            [System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
            get
            {
                return _UserID;
            }
        }
        private int _ROImageROFstImageCount = 0;
        /// <summary>
        /// Count of ROImageROFstImages for this ROImage
        /// </summary>
        public int ROImageROFstImageCount
        {
            [System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
            get
            {
                return _ROImageROFstImageCount;
            }
        }
        private ROFstImageInfoList _ROImageROFstImages = null;
        [TypeConverter(typeof(ROFstImageInfoListConverter))]
        public ROFstImageInfoList ROImageROFstImages
        {
            [System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
            get
            {
                if (_ROImageROFstImageCount < 0 || (_ROImageROFstImageCount > 0 && _ROImageROFstImages == null))
                    _ROImageROFstImages = ROFstImageInfoList.GetByImageID(_ImageID);
                if (_ROImageROFstImageCount < 0)
                    _ROImageROFstImageCount = _ROImageROFstImages.Count;
                return _ROImageROFstImages;
            }
        }
        public void RefreshROImageROFstImages()
        {
            ConvertListToDictionary();
            if (_CacheByPrimaryKey.ContainsKey(_ImageID.ToString()))
                foreach (ROImageInfo tmp in _CacheByPrimaryKey[_ImageID.ToString()])
                    tmp._ROImageROFstImageCount = -1; // This will cause the data to be requeried
        }
        // TODO: Replace base ROImageInfo.ToString function as necessary
        /// <summary>
        /// Overrides Base ToString
        /// </summary>
        /// <returns>A string representation of current ROImageInfo</returns>
        //public override string ToString()
        //{
        //  return base.ToString();
        //}
        // TODO: Check ROImageInfo.GetIdValue to assure that the ID returned is unique
        /// <summary>
        /// Overrides Base GetIdValue - Used internally by CSLA to determine equality
        /// </summary>
        /// <returns>A Unique ID for the current ROImageInfo</returns>
        protected override object GetIdValue()
        {
            return _ImageID;
        }
        #endregion
        #region Factory Methods
        private static int _ROImageInfoUnique = 0;
        private static int ROImageInfoUnique
        { get { return ++_ROImageInfoUnique; } }
        private int _MyROImageInfoUnique = ROImageInfoUnique;
        public int MyROImageInfoUnique
        { get { return _MyROImageInfoUnique; } }
        protected ROImageInfo()
        {/* require use of factory methods */
            AddToCache(this);
        }
        public void Dispose()
        {
            RemoveFromCache(this);
            if (!_CacheByPrimaryKey.ContainsKey(ImageID.ToString())) return;
            List<ROImageInfo> listROImageInfo = _CacheByPrimaryKey[ImageID.ToString()]; // Get the list of items
            while (listROImageInfo.Contains(this)) listROImageInfo.Remove(this); // Remove the item from the list
            if (listROImageInfo.Count == 0) // If there are no items left in the list
                _CacheByPrimaryKey.Remove(ImageID.ToString()); // remove the list
        }
        public virtual ROImage Get()
        {
            return _Editable = ROImage.Get(_ImageID);
        }
        public static void Refresh(ROImage tmp)
        {
            string key = tmp.ImageID.ToString();
            ConvertListToDictionary();
            if (_CacheByPrimaryKey.ContainsKey(key))
                foreach (ROImageInfo tmpInfo in _CacheByPrimaryKey[key])
                    tmpInfo.RefreshFields(tmp);
        }
        protected virtual void RefreshFields(ROImage tmp)
        {
            if (_RODbID != tmp.RODbID)
            {
                if (MyRODb != null) MyRODb.RefreshRODbROImages(); // Update List for old value
                _RODbID = tmp.RODbID; // Update the value
            }
            _MyRODb = null; // Reset list so that the next line gets a new list
            if (MyRODb != null) MyRODb.RefreshRODbROImages(); // Update List for new value
            _FileName = tmp.FileName;
            _Content = tmp.Content;
            _DTS = tmp.DTS;
            _UserID = tmp.UserID;
            _ROImageInfoExtension.Refresh(this);
            if (_MyRODb != null)
            {
                _MyRODb.Dispose();// Dispose related value
                _MyRODb = null;// Reset related value
            }
            OnChange();// raise an event
        }
        public static void Refresh(RODbROImage tmp)
        {
            string key = tmp.ImageID.ToString();
            ConvertListToDictionary();
            if (_CacheByPrimaryKey.ContainsKey(key))
                foreach (ROImageInfo tmpInfo in _CacheByPrimaryKey[key])
                    tmpInfo.RefreshFields(tmp);
        }
        protected virtual void RefreshFields(RODbROImage tmp)
        {
            _FileName = tmp.FileName;
            _Content = tmp.Content;
            _DTS = tmp.DTS;
            _UserID = tmp.UserID;
            _ROImageInfoExtension.Refresh(this);
            if (_MyRODb != null)
            {
                _MyRODb.Dispose();// Dispose related value
                _MyRODb = null;// Reset related value
            }
            OnChange();// raise an event
        }
        public static ROImageInfo Get(int imageID)
        {
            //if (!CanGetObject())
            //  throw new System.Security.SecurityException("User not authorized to view a ROImage");
            try
            {
                ROImageInfo tmp = GetCachedByPrimaryKey(imageID);
                if (tmp == null)
                {
                    tmp = DataPortal.Fetch<ROImageInfo>(new PKCriteria(imageID));
                    AddToCache(tmp);
                }
                if (tmp.ErrorMessage == "No Record Found")
                {
                    tmp.Dispose(); // Clean-up ROImageInfo
                    tmp = null;
                }
                return tmp;
            }
            catch (Exception ex)
            {
                throw new DbCslaException("Error on ROImageInfo.Get", ex);
            }
        }
        #endregion
        #region Data Access Portal
        internal ROImageInfo(SafeDataReader dr)
        {
            if (_MyLog.IsDebugEnabled) _MyLog.DebugFormat("[{0}] ROImageInfo.Constructor", GetHashCode());
            try
            {
                ReadData(dr);
            }
            catch (Exception ex)
            {
                if (_MyLog.IsErrorEnabled) _MyLog.Error("ROImageInfo.Constructor", ex);
                throw new DbCslaException("ROImageInfo.Constructor", ex);
            }
        }
        [Serializable()]
        protected class PKCriteria
        {
            private int _ImageID;
            public int ImageID
            { get { return _ImageID; } }
            public PKCriteria(int imageID)
            {
                _ImageID = imageID;
            }
        }
        private void ReadData(SafeDataReader dr)
        {
            if (_MyLog.IsDebugEnabled) _MyLog.DebugFormat("[{0}] ROImageInfo.ReadData", GetHashCode());
            try
            {
                _ImageID = dr.GetInt32("ImageID");
                _RODbID = dr.GetInt32("RODbID");
                _FileName = dr.GetString("FileName");
                _Content = (byte[])dr.GetValue("Content");
                _DTS = dr.GetDateTime("DTS");
                _UserID = dr.GetString("UserID");
                _ROImageROFstImageCount = dr.GetInt32("ROFstImageCount");
            }
            catch (Exception ex)
            {
                if (_MyLog.IsErrorEnabled) _MyLog.Error("ROImageInfo.ReadData", ex);
                _ErrorMessage = ex.Message;
                throw new DbCslaException("ROImageInfo.ReadData", ex);
            }
        }
        private void DataPortal_Fetch(PKCriteria 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 = "getROImage";
                        cm.Parameters.AddWithValue("@ImageID", criteria.ImageID);
                        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);
            }
        }
        #endregion
        // Standard Refresh
        #region extension
        ROImageInfoExtension _ROImageInfoExtension = new ROImageInfoExtension();
        [Serializable()]
        partial class ROImageInfoExtension : extensionBase { }
        [Serializable()]
        class extensionBase
        {
            // Default Refresh
            public virtual void Refresh(ROImageInfo tmp) { }
        }
        #endregion
    } // Class
    #region Converter
    internal class ROImageInfoConverter : ExpandableObjectConverter
    {
        public override object ConvertTo(ITypeDescriptorContext context, System.Globalization.CultureInfo culture, object value, Type destType)
        {
            if (destType == typeof(string) && value is ROImageInfo)
            {
                // Return the ToString value
                return ((ROImageInfo)value).ToString();
            }
            return base.ConvertTo(context, culture, value, destType);
        }
    }
    #endregion
} // Namespace