// ========================================================================
// 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 DocumentInfoEvent(object sender);
    /// <summary>
    ///	DocumentInfo Generated by MyGeneration using the CSLA Object Mapping template
    /// </summary>
    [Serializable()]
    [TypeConverter(typeof(DocumentInfoConverter))]
    public partial class DocumentInfo : ReadOnlyBase<DocumentInfo>, IDisposable
    {
        public event DocumentInfoEvent 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<DocumentInfo> _CacheList = new List<DocumentInfo>();
        protected static void AddToCache(DocumentInfo documentInfo)
        {
            if (!_CacheList.Contains(documentInfo)) _CacheList.Add(documentInfo); // In AddToCache
        }
        protected static void RemoveFromCache(DocumentInfo documentInfo)
        {
            while (_CacheList.Contains(documentInfo)) _CacheList.Remove(documentInfo); // In RemoveFromCache
        }
        private static Dictionary<string, List<DocumentInfo>> _CacheByPrimaryKey = new Dictionary<string, List<DocumentInfo>>();
        private static void ConvertListToDictionary()
        {
            while (_CacheList.Count > 0) // Move DocumentInfo(s) from temporary _CacheList to _CacheByPrimaryKey
            {
                DocumentInfo tmp = _CacheList[0]; // Get the first DocumentInfo
                string pKey = tmp.DocID.ToString();
                if (!_CacheByPrimaryKey.ContainsKey(pKey))
                {
                    _CacheByPrimaryKey[pKey] = new List<DocumentInfo>(); // Add new list for PrimaryKey
                }
                _CacheByPrimaryKey[pKey].Add(tmp); // Add to Primary Key list
                _CacheList.RemoveAt(0); // Remove the first DocumentInfo
            }
        }
        internal static void AddList(DocumentInfoList lst)
        {
            foreach (DocumentInfo item in lst) AddToCache(item);
        }
        protected static DocumentInfo GetCachedByPrimaryKey(int docID)
        {
            ConvertListToDictionary();
            string key = docID.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 Document _Editable;
        private IVEHasBrokenRules HasBrokenRules
        {
            get
            {
                IVEHasBrokenRules hasBrokenRules = null;
                if (_Editable != null)
                    hasBrokenRules = _Editable.HasBrokenRules;
                return hasBrokenRules;
            }
        }
        private int _DocID;
        [System.ComponentModel.DataObjectField(true, true)]
        public int DocID
        {
            [System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
            get
            {
                return _DocID;
            }
        }
        private string _LibTitle = string.Empty;
        public string LibTitle
        {
            [System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
            get
            {
                return _LibTitle;
            }
        }
        private byte[] _DocContent;
        /// <summary>
        /// Actual content of a Word Document (RTF, DOC or XML Format)
        /// </summary>
        public byte[] DocContent
        {
            [System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
            get
            {
                return _DocContent;
            }
        }
        private string _DocAscii = string.Empty;
        /// <summary>
        /// Used for searching
        /// </summary>
        public string DocAscii
        {
            [System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
            get
            {
                return _DocAscii;
            }
        }
        private string _Config = string.Empty;
        public string Config
        {
            [System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
            get
            {
                return _Config;
            }
        }
        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 string _FileExtension = string.Empty;
        public string FileExtension
        {
            [System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
            get
            {
                return _FileExtension;
            }
        }
        private int _DocumentDROUsageCount = 0;
        /// <summary>
        /// Count of DocumentDROUsages for this Document
        /// </summary>
        public int DocumentDROUsageCount
        {
            [System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
            get
            {
                if (_DocumentDROUsageCount < 0)
                    _DocumentDROUsageCount = DocumentDROUsages.Count;
                return _DocumentDROUsageCount;
            }
        }
        private DROUsageInfoList _DocumentDROUsages = null;
        [TypeConverter(typeof(DROUsageInfoListConverter))]
        public DROUsageInfoList DocumentDROUsages
        {
            [System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
            get
            {
                if (_DocumentDROUsageCount < 0 || (_DocumentDROUsageCount > 0 && _DocumentDROUsages == null))
                    _DocumentDROUsages = DROUsageInfoList.GetByDocID(_DocID);
                if (_DocumentDROUsageCount < 0)
                    _DocumentDROUsageCount = _DocumentDROUsages.Count;
                return _DocumentDROUsages;
            }
        }
        public void RefreshDocumentDROUsages()
        {
            _DocumentDROUsageCount = -1;
            ConvertListToDictionary();
            if (_CacheByPrimaryKey.ContainsKey(_DocID.ToString()))
                foreach (DocumentInfo tmp in _CacheByPrimaryKey[_DocID.ToString()])
                    tmp._DocumentDROUsageCount = -1; // This will cause the data to be requeried
        }
        private int _DocumentEntryCount = 0;
        /// <summary>
        /// Count of DocumentEntries for this Document
        /// </summary>
        public int DocumentEntryCount
        {
            [System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
            get
            {
                if (_DocumentEntryCount < 0)
                    _DocumentEntryCount = DocumentEntries.Count;
                return _DocumentEntryCount;
            }
        }
        private EntryInfoList _DocumentEntries = null;
        [TypeConverter(typeof(EntryInfoListConverter))]
        public EntryInfoList DocumentEntries
        {
            [System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
            get
            {
                if (_DocumentEntryCount < 0 || (_DocumentEntryCount > 0 && _DocumentEntries == null))
                    _DocumentEntries = EntryInfoList.GetByDocID(_DocID);
                if (_DocumentEntryCount < 0)
                    _DocumentEntryCount = _DocumentEntries.Count;
                return _DocumentEntries;
            }
        }
        public void RefreshDocumentEntries()
        {
            _DocumentEntryCount = -1;
            ConvertListToDictionary();
            if (_CacheByPrimaryKey.ContainsKey(_DocID.ToString()))
                foreach (DocumentInfo tmp in _CacheByPrimaryKey[_DocID.ToString()])
                    tmp._DocumentEntryCount = -1; // This will cause the data to be requeried
        }
        private int _DocumentPdfCount = 0;
        /// <summary>
        /// Count of DocumentPdfs for this Document
        /// </summary>
        public int DocumentPdfCount
        {
            [System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
            get
            {
                if (_DocumentPdfCount < 0)
                    _DocumentPdfCount = DocumentPdfs.Count;
                return _DocumentPdfCount;
            }
        }
        private PdfInfoList _DocumentPdfs = null;
        [TypeConverter(typeof(PdfInfoListConverter))]
        public PdfInfoList DocumentPdfs
        {
            [System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
            get
            {
                if (_DocumentPdfCount < 0 || (_DocumentPdfCount > 0 && _DocumentPdfs == null))
                    _DocumentPdfs = PdfInfoList.GetByDocID(_DocID);
                if (_DocumentPdfCount < 0)
                    _DocumentPdfCount = _DocumentPdfs.Count;
                return _DocumentPdfs;
            }
        }
        public void RefreshDocumentPdfs()
        {
            _DocumentPdfCount = -1;
            ConvertListToDictionary();
            if (_CacheByPrimaryKey.ContainsKey(_DocID.ToString()))
                foreach (DocumentInfo tmp in _CacheByPrimaryKey[_DocID.ToString()])
                    tmp._DocumentPdfCount = -1; // This will cause the data to be requeried
        }
        // CSLATODO: Replace base DocumentInfo.ToString function as necessary
        /// <summary>
        /// Overrides Base ToString
        /// </summary>
        /// <returns>A string representation of current DocumentInfo</returns>
        //public override string ToString()
        //{
        //  return base.ToString();
        //}
        // CSLATODO: Check DocumentInfo.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 DocumentInfo</returns>
        protected override object GetIdValue()
        {
            return MyDocumentInfoUnique; // Absolutely Unique ID
        }
        #endregion
        #region Factory Methods
        private static int _DocumentInfoUnique = 0;
        private static int DocumentInfoUnique
        { get { return ++_DocumentInfoUnique; } }
        private int _MyDocumentInfoUnique = DocumentInfoUnique;
        public int MyDocumentInfoUnique // Absolutely Unique ID - Info
        { get { return _MyDocumentInfoUnique; } }
        protected DocumentInfo()
        {/* require use of factory methods */
            AddToCache(this);
        }
        private bool _Disposed = false;
        private static int _CountCreated = 0;
        private static int _CountDisposed = 0;
        private static int _CountFinalized = 0;
        private static int IncrementCountCreated
        { get { return ++_CountCreated; } }
        private int _CountWhenCreated = IncrementCountCreated;
        public static int CountCreated
        { get { return _CountCreated; } }
        public static int CountNotDisposed
        { get { return _CountCreated - _CountDisposed; } }
        public static int CountNotFinalized
        { get { return _CountCreated - _CountFinalized; } }
        ~DocumentInfo()
        {
            _CountFinalized++;
        }
        public void Dispose()
        {
            if (_Disposed) return;
            _CountDisposed++;
            _Disposed = true;
            RemoveFromCache(this);
            if (!_CacheByPrimaryKey.ContainsKey(DocID.ToString())) return;
            List<DocumentInfo> listDocumentInfo = _CacheByPrimaryKey[DocID.ToString()]; // Get the list of items
            while (listDocumentInfo.Contains(this)) listDocumentInfo.Remove(this); // Remove the item from the list
            if (listDocumentInfo.Count == 0) // If there are no items left in the list
                _CacheByPrimaryKey.Remove(DocID.ToString()); // remove the list
        }
        public virtual Document Get()
        {
            return _Editable = Document.Get(_DocID);
        }
        public static void Refresh(Document tmp)
        {
            string key = tmp.DocID.ToString();
            ConvertListToDictionary();
            if (_CacheByPrimaryKey.ContainsKey(key))
                foreach (DocumentInfo tmpInfo in _CacheByPrimaryKey[key])
                    tmpInfo.RefreshFields(tmp);
        }
        protected virtual void RefreshFields(Document tmp)
        {
            _LibTitle = tmp.LibTitle;
            _DocContent = tmp.DocContent;
            _DocAscii = tmp.DocAscii;
            _Config = tmp.Config;
            _DTS = tmp.DTS;
            _UserID = tmp.UserID;
            _FileExtension = tmp.FileExtension;
            _DocumentInfoExtension.Refresh(this);
            OnChange();// raise an event
        }
        public static DocumentInfo Get(int docID)
        {
            //if (!CanGetObject())
            //  throw new System.Security.SecurityException("User not authorized to view a Document");
            try
            {
                DocumentInfo tmp = GetCachedByPrimaryKey(docID);
                if (tmp == null)
                {
                    tmp = DataPortal.Fetch<DocumentInfo>(new PKCriteria(docID));
                    AddToCache(tmp);
                }
                if (tmp.ErrorMessage == "No Record Found")
                {
                    tmp.Dispose(); // Clean-up DocumentInfo
                    tmp = null;
                }
                return tmp;
            }
            catch (Exception ex)
            {
                throw new DbCslaException("Error on DocumentInfo.Get", ex);
            }
        }
        #endregion
        #region Data Access Portal
        internal DocumentInfo(SafeDataReader dr)
        {
            if (_MyLog.IsDebugEnabled) _MyLog.DebugFormat("[{0}] DocumentInfo.Constructor", GetHashCode());
            try
            {
                ReadData(dr);
            }
            catch (Exception ex)
            {
                if (_MyLog.IsErrorEnabled) _MyLog.Error("DocumentInfo.Constructor", ex);
                throw new DbCslaException("DocumentInfo.Constructor", ex);
            }
        }
        [Serializable()]
        protected class PKCriteria
        {
            private int _DocID;
            public int DocID
            { get { return _DocID; } }
            public PKCriteria(int docID)
            {
                _DocID = docID;
            }
        }
        private void ReadData(SafeDataReader dr)
        {
            if (_MyLog.IsDebugEnabled) _MyLog.DebugFormat("[{0}] DocumentInfo.ReadData", GetHashCode());
            try
            {
                _DocID = dr.GetInt32("DocID");
                _LibTitle = dr.GetString("LibTitle");
                _DocContent = (byte[])dr.GetValue("DocContent");
                _DocAscii = dr.GetString("DocAscii");
                _Config = dr.GetString("Config");
                _DTS = dr.GetDateTime("DTS");
                _UserID = dr.GetString("UserID");
                _FileExtension = dr.GetString("FileExtension");
                _DocumentDROUsageCount = dr.GetInt32("DROUsageCount");
                _DocumentEntryCount = dr.GetInt32("EntryCount");
                _DocumentPdfCount = dr.GetInt32("PdfCount");
            }
            catch (Exception ex)
            {
                if (_MyLog.IsErrorEnabled) _MyLog.Error("DocumentInfo.ReadData", ex);
                _ErrorMessage = ex.Message;
                throw new DbCslaException("DocumentInfo.ReadData", ex);
            }
        }
        private void DataPortal_Fetch(PKCriteria criteria)
        {
            if (_MyLog.IsDebugEnabled) _MyLog.DebugFormat("[{0}] DocumentInfo.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 = "getDocument";
                        cm.Parameters.AddWithValue("@DocID", criteria.DocID);
                        cm.CommandTimeout = Database.DefaultTimeout;
                        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("DocumentInfo.DataPortal_Fetch", ex);
                _ErrorMessage = ex.Message;
                throw new DbCslaException("DocumentInfo.DataPortal_Fetch", ex);
            }
        }
        #endregion
        // Standard Refresh
        #region extension
        DocumentInfoExtension _DocumentInfoExtension = new DocumentInfoExtension();
        [Serializable()]
        partial class DocumentInfoExtension : extensionBase { }
        [Serializable()]
        class extensionBase
        {
            // Default Refresh
            public virtual void Refresh(DocumentInfo tmp) { }
        }
        #endregion
    } // Class
    #region Converter
    internal class DocumentInfoConverter : ExpandableObjectConverter
    {
        public override object ConvertTo(ITypeDescriptorContext context, System.Globalization.CultureInfo culture, object value, Type destType)
        {
            if (destType == typeof(string) && value is DocumentInfo)
            {
                // Return the ToString value
                return ((DocumentInfo)value).ToString();
            }
            return base.ConvertTo(context, culture, value, destType);
        }
    }
    #endregion
} // Namespace