// ========================================================================
// 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;
using Csla.Validation;
namespace VEPROMS.CSLA.Library
{
	/// <summary>
	///	Document Generated by MyGeneration using the CSLA Object Mapping template
	/// </summary>
	[Serializable()]
	[TypeConverter(typeof(DocumentConverter))]
	public partial class Document : BusinessBase<Document>, IDisposable, IVEHasBrokenRules
	{
		#region Log4Net
		private static readonly log4net.ILog _MyLog = log4net.LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType);
		#endregion
		#region Refresh
		private List<Document> _RefreshDocuments = new List<Document>();
		private List<DocumentEntry> _RefreshDocumentEntries = new List<DocumentEntry>();
		private void AddToRefreshList(List<Document> refreshDocuments, List<DocumentEntry> refreshDocumentEntries)
		{
			if (IsDirty)
				refreshDocuments.Add(this);
			if (_DocumentEntries != null && _DocumentEntries.IsDirty)
			{
				foreach (DocumentEntry tmp in _DocumentEntries)
				{
					if (tmp.IsDirty) refreshDocumentEntries.Add(tmp);
				}
			}
		}
		private void BuildRefreshList()
		{
			_RefreshDocuments = new List<Document>();
			_RefreshDocumentEntries = new List<DocumentEntry>();
			AddToRefreshList(_RefreshDocuments, _RefreshDocumentEntries);
		}
		private void ProcessRefreshList()
		{
			foreach (Document tmp in _RefreshDocuments)
			{
				DocumentInfo.Refresh(tmp);
			}
			foreach (DocumentEntry tmp in _RefreshDocumentEntries)
			{
				EntryInfo.Refresh(tmp);
			}
		}
		#endregion
		#region Collection
		private static List<Document> _CacheList = new List<Document>();
		protected static void AddToCache(Document document)
		{
			if (!_CacheList.Contains(document)) _CacheList.Add(document); // In AddToCache
		}
		protected static void RemoveFromCache(Document document)
		{
			while (_CacheList.Contains(document)) _CacheList.Remove(document); // In RemoveFromCache
		}
		private static Dictionary<string, List<Document>> _CacheByPrimaryKey = new Dictionary<string, List<Document>>();
		private static void ConvertListToDictionary()
		{
			List<Document> remove = new List<Document>();
			foreach (Document tmp in _CacheList)
			{
				if (!_CacheByPrimaryKey.ContainsKey(tmp.DocID.ToString()))
				{
					_CacheByPrimaryKey[tmp.DocID.ToString()] = new List<Document>(); // Add new list for PrimaryKey
				}
				_CacheByPrimaryKey[tmp.DocID.ToString()].Add(tmp); // Add to Primary Key list
				remove.Add(tmp);
			}
			foreach (Document tmp in remove)
				RemoveFromCache(tmp);
		}
		protected static Document 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; }
		}
		private static int _nextDocID = -1;
		public static int NextDocID
		{
			get { return _nextDocID--; }
		}
		private int _DocID;
		[System.ComponentModel.DataObjectField(true, true)]
		public int DocID
		{
			[System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
			get
			{
				CanReadProperty("DocID", true);
				return _DocID;
			}
		}
		private string _LibTitle = string.Empty;
		public string LibTitle
		{
			[System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
			get
			{
				CanReadProperty("LibTitle", true);
				return _LibTitle;
			}
			[System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
			set
			{
				CanWriteProperty("LibTitle", true);
				if (value == null) value = string.Empty;
				if (_LibTitle != value)
				{
					_LibTitle = value;
					PropertyHasChanged();
				}
			}
		}
		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
			{
				CanReadProperty("DocContent", true);
				return _DocContent;
			}
			[System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
			set
			{
				CanWriteProperty("DocContent", true);
				if (_DocContent != value)
				{
					_DocContent = value;
					PropertyHasChanged();
				}
			}
		}
		private string _DocAscii = string.Empty;
		/// <summary>
		/// Used for searching
		/// </summary>
		public string DocAscii
		{
			[System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
			get
			{
				CanReadProperty("DocAscii", true);
				return _DocAscii;
			}
			[System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
			set
			{
				CanWriteProperty("DocAscii", true);
				if (value == null) value = string.Empty;
				if (_DocAscii != value)
				{
					_DocAscii = value;
					PropertyHasChanged();
				}
			}
		}
		private string _Config = string.Empty;
		public string Config
		{
			[System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
			get
			{
				CanReadProperty("Config", true);
				return _Config;
			}
			[System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
			set
			{
				CanWriteProperty("Config", true);
				if (value == null) value = string.Empty;
				if (_Config != value)
				{
					_Config = value;
					PropertyHasChanged();
				}
			}
		}
		private DateTime _DTS = new DateTime();
		public DateTime DTS
		{
			[System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
			get
			{
				CanReadProperty("DTS", true);
				return _DTS;
			}
			[System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
			set
			{
				CanWriteProperty("DTS", true);
				if (_DTS != value)
				{
					_DTS = value;
					PropertyHasChanged();
				}
			}
		}
		private string _UserID = string.Empty;
		public string UserID
		{
			[System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
			get
			{
				CanReadProperty("UserID", true);
				return _UserID;
			}
			[System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
			set
			{
				CanWriteProperty("UserID", true);
				if (value == null) value = string.Empty;
				if (_UserID != value)
				{
					_UserID = value;
					PropertyHasChanged();
				}
			}
		}
		private byte[] _LastChanged = new byte[8];//timestamp
		private string _FileExtension = string.Empty;
		public string FileExtension
		{
			[System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
			get
			{
				CanReadProperty("FileExtension", true);
				return _FileExtension;
			}
			[System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
			set
			{
				CanWriteProperty("FileExtension", true);
				if (value == null) value = string.Empty;
				if (_FileExtension != value)
				{
					_FileExtension = value;
					PropertyHasChanged();
				}
			}
		}
		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
			{
				CanReadProperty("DocumentEntryCount", true);
				return _DocumentEntryCount;
			}
		}
		private DocumentEntries _DocumentEntries = null;
		/// <summary>
		/// Related Field
		/// </summary>
		[TypeConverter(typeof(DocumentEntriesConverter))]
		public DocumentEntries DocumentEntries
		{
			[System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
			get
			{
				CanReadProperty("DocumentEntries", true);
				if (_DocumentEntryCount < 0 || (_DocumentEntryCount > 0 && _DocumentEntries == null))
					_DocumentEntries = DocumentEntries.GetByDocID(DocID);
				if (_DocumentEntryCount < 0 )
					_DocumentEntryCount = _DocumentEntries == null ? 0 : _DocumentEntries.Count;
				if (_DocumentEntries == null)
					_DocumentEntries = DocumentEntries.New();
				return _DocumentEntries;
			}
		}
		public void Reset_DocumentEntries()
		{
			_DocumentEntryCount = -1;
		}
		public override bool IsDirty
		{
			get 
			{
				if ( base.IsDirty ) 
					return true;
				return IsDirtyList(new List<object>());
			}
		}
		public bool IsDirtyList(List<object> list)
		{
			if (base.IsDirty || list.Contains(this))
				return base.IsDirty;
			list.Add(this);
			return base.IsDirty || (_DocumentEntries == null ? false : _DocumentEntries.IsDirtyList(list));
		}
		public override bool IsValid
		{
			get { return IsValidList(new List<object>()); }
		}
		public bool IsValidList(List<object> list)
		{
			if(list.Contains(this))
				return (IsNew && !IsDirty) ? true : base.IsValid;
			list.Add(this);
			return ((IsNew && !IsDirty) ? true : base.IsValid) && (_DocumentEntries == null ? true : _DocumentEntries.IsValid);
		}
		// TODO: Replace base Document.ToString function as necessary
		/// <summary>
		/// Overrides Base ToString
		/// </summary>
		/// <returns>A string representation of current Document</returns>
		//public override string ToString()
		//{
		//  return base.ToString();
		//}
		// TODO: Check Document.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 Document</returns>
		protected override object GetIdValue()
		{
			return _DocID;
		}
		#endregion
		#region ValidationRules
		[NonSerialized]
		private bool _CheckingBrokenRules = false;
		public IVEHasBrokenRules HasBrokenRules
		{
			get
			{
				if (_CheckingBrokenRules) return null;
				if ((IsDirty || !IsNew) && BrokenRulesCollection.Count > 0) return this;
				try
				{
					_CheckingBrokenRules = true;
					IVEHasBrokenRules hasBrokenRules = null;
					if (_DocumentEntries != null && (hasBrokenRules = _DocumentEntries.HasBrokenRules) != null) return hasBrokenRules;
					return hasBrokenRules;
				}
				finally
				{
					_CheckingBrokenRules = false;
				}
			}
		}
		public BrokenRulesCollection BrokenRules
		{
			get
			{
				IVEHasBrokenRules hasBrokenRules = HasBrokenRules;
				if (this.Equals(hasBrokenRules)) return BrokenRulesCollection;
				return (hasBrokenRules != null ? hasBrokenRules.BrokenRules : null);
			}
		}
		protected override void AddBusinessRules()
		{
			ValidationRules.AddRule(
				Csla.Validation.CommonRules.StringMaxLength,
				new Csla.Validation.CommonRules.MaxLengthRuleArgs("LibTitle", 1024));
			ValidationRules.AddRule(
				Csla.Validation.CommonRules.StringMaxLength,
				new Csla.Validation.CommonRules.MaxLengthRuleArgs("DocAscii", 1073741823));
			ValidationRules.AddRule(
				Csla.Validation.CommonRules.StringMaxLength,
				new Csla.Validation.CommonRules.MaxLengthRuleArgs("Config", 1073741823));
			ValidationRules.AddRule(
				Csla.Validation.CommonRules.StringRequired, "UserID");
			ValidationRules.AddRule(
				Csla.Validation.CommonRules.StringMaxLength,
				new Csla.Validation.CommonRules.MaxLengthRuleArgs("UserID", 100));
			ValidationRules.AddRule(
				Csla.Validation.CommonRules.StringRequired, "FileExtension");
			ValidationRules.AddRule(
				Csla.Validation.CommonRules.StringMaxLength,
				new Csla.Validation.CommonRules.MaxLengthRuleArgs("FileExtension", 10));
			//ValidationRules.AddDependantProperty("x", "y");
			_DocumentExtension.AddValidationRules(ValidationRules);
			// TODO:  Add other validation rules
		}
		protected override void AddInstanceBusinessRules()
		{
			_DocumentExtension.AddInstanceValidationRules(ValidationRules);
			// TODO:  Add other validation rules
		}
		// Sample data comparison validation rule
		//private bool StartDateGTEndDate(object target, Csla.Validation.RuleArgs e)
		//{
		//	if (_started > _ended)
		//	{
		//		e.Description = "Start date can't be after end date";
		//		return false;
		//	}
		//	else
		//		return true;
		//}
		#endregion
		#region Authorization Rules
		protected override void AddAuthorizationRules()
		{
			//TODO: Who can read/write which fields
			//AuthorizationRules.AllowRead(DocID, "<Role(s)>");
			//AuthorizationRules.AllowRead(LibTitle, "<Role(s)>");
			//AuthorizationRules.AllowRead(DocContent, "<Role(s)>");
			//AuthorizationRules.AllowRead(DocAscii, "<Role(s)>");
			//AuthorizationRules.AllowRead(Config, "<Role(s)>");
			//AuthorizationRules.AllowRead(DTS, "<Role(s)>");
			//AuthorizationRules.AllowRead(UserID, "<Role(s)>");
			//AuthorizationRules.AllowRead(FileExtension, "<Role(s)>");
			//AuthorizationRules.AllowWrite(LibTitle, "<Role(s)>");
			//AuthorizationRules.AllowWrite(DocContent, "<Role(s)>");
			//AuthorizationRules.AllowWrite(DocAscii, "<Role(s)>");
			//AuthorizationRules.AllowWrite(Config, "<Role(s)>");
			//AuthorizationRules.AllowWrite(DTS, "<Role(s)>");
			//AuthorizationRules.AllowWrite(UserID, "<Role(s)>");
			//AuthorizationRules.AllowWrite(FileExtension, "<Role(s)>");
			_DocumentExtension.AddAuthorizationRules(AuthorizationRules);
		}
		protected override void AddInstanceAuthorizationRules()
		{
			//TODO: Who can read/write which fields
			_DocumentExtension.AddInstanceAuthorizationRules(AuthorizationRules);
		}
		public static bool CanAddObject()
		{
			// TODO: Can Add Authorization
			//return Csla.ApplicationContext.User.IsInRole("ProjectManager");
			return true;
		}
		public static bool CanGetObject()
		{
			// TODO: CanGet Authorization
			return true;
		}
		public static bool CanDeleteObject()
		{
			// TODO: CanDelete Authorization
			//bool result = false;
			//if (Csla.ApplicationContext.User.IsInRole("ProjectManager"))result = true;
			//if (Csla.ApplicationContext.User.IsInRole("Administrator"))result = true;
			//return result;
			return true;
		}
		/// <summary>
		/// determines if related records (Foreign Keys) will keep this Item from being deleted
		/// </summary>
		public bool CanDelete
		{
			get
			{
				// Check to make sure that there are not any related records
				int usedByCount = 0;
				usedByCount += _DocumentEntryCount;
				return (usedByCount == 0);
			}
		}
		public static bool CanEditObject()
		{
			// TODO: CanEdit Authorization
			//return Csla.ApplicationContext.User.IsInRole("ProjectManager");
			return true;
		}
		#endregion
		#region Factory Methods
		public int CurrentEditLevel
		{ get { return EditLevel; } }
		private static int _DocumentUnique = 0;
		protected static int DocumentUnique
		{ get { return ++_DocumentUnique; } }
		private int _MyDocumentUnique = DocumentUnique;
		public int MyDocumentUnique
		{ get { return _MyDocumentUnique; } }
		protected Document()
		{/* require use of factory methods */
			AddToCache(this);
		}
		public void Dispose()
		{
			RemoveFromDictionaries();
		}
		private void RemoveFromDictionaries()
		{
			RemoveFromCache(this);
			if (_CacheByPrimaryKey.ContainsKey(DocID.ToString()))
			{
				List<Document> listDocument = _CacheByPrimaryKey[DocID.ToString()]; // Get the list of items
				while (listDocument.Contains(this)) listDocument.Remove(this); // Remove the item from the list
				if (listDocument.Count == 0) //If there are no items left in the list
					_CacheByPrimaryKey.Remove(DocID.ToString()); // remove the list
			}
		}
		public static Document New()
		{
			if (!CanAddObject())
				throw new System.Security.SecurityException("User not authorized to add a Document");
			try
			{
				return DataPortal.Create<Document>();
			}
			catch (Exception ex)
			{
				throw new DbCslaException("Error on Document.New", ex);
			}
		}
		public static Document New(string libTitle, byte[] docContent, string docAscii, string config, DateTime dts, string userID, string fileExtension)
		{
			Document tmp = Document.New();
			tmp.LibTitle = libTitle;
			tmp.DocContent = docContent;
			tmp.DocAscii = docAscii;
			tmp.Config = config;
			tmp.DTS = dts;
			tmp.UserID = userID;
			tmp.FileExtension = fileExtension;
			return tmp;
		}
		public static Document MakeDocument(string libTitle, byte[] docContent, string docAscii, string config, DateTime dts, string userID, string fileExtension)
		{
			Document tmp = Document.New(libTitle, docContent, docAscii, config, dts, userID, fileExtension);
			if (tmp.IsSavable)
			{
				Document tmp2 = tmp;
				tmp = tmp2.Save();
				tmp2.Dispose();
			}
			else
			{
				Csla.Validation.BrokenRulesCollection brc = tmp.ValidationRules.GetBrokenRules();
				tmp._ErrorMessage = "Failed Validation:";
				foreach (Csla.Validation.BrokenRule br in brc)
				{
					tmp._ErrorMessage += "\r\n\tFailure: " + br.RuleName;
				}
			}
			return tmp;
		}
		public static Document New(string libTitle, byte[] docContent, string docAscii, string config)
		{
			Document tmp = Document.New();
			tmp.LibTitle = libTitle;
			tmp.DocContent = docContent;
			tmp.DocAscii = docAscii;
			tmp.Config = config;
			return tmp;
		}
		public static Document MakeDocument(string libTitle, byte[] docContent, string docAscii, string config)
		{
			Document tmp = Document.New(libTitle, docContent, docAscii, config);
			if (tmp.IsSavable)
			{
				Document tmp2 = tmp;
				tmp = tmp2.Save();
				tmp2.Dispose();
			}
			else
			{
				Csla.Validation.BrokenRulesCollection brc = tmp.ValidationRules.GetBrokenRules();
				tmp._ErrorMessage = "Failed Validation:";
				foreach (Csla.Validation.BrokenRule br in brc)
				{
					tmp._ErrorMessage += "\r\n\tFailure: " + br.RuleName;
				}
			}
			return tmp;
		}
		public static Document Get(int docID)
		{
			if (!CanGetObject())
				throw new System.Security.SecurityException("User not authorized to view a Document");
			try
			{
				Document tmp = GetCachedByPrimaryKey(docID);
				if (tmp == null)
				{
					tmp = DataPortal.Fetch<Document>(new PKCriteria(docID));
					AddToCache(tmp);
				}
				if (tmp.ErrorMessage == "No Record Found") 
				{
					tmp.Dispose(); // Clean-up Document
					tmp = null;
				}
				return tmp;
			}
			catch (Exception ex)
			{
				throw new DbCslaException("Error on Document.Get", ex);
			}
		}
		public static Document Get(SafeDataReader dr)
		{
			if (dr.Read()) return new Document(dr);
			return null;
		}
		internal Document(SafeDataReader dr)
		{
			ReadData(dr);
		}
		public static void Delete(int docID)
		{
			if (!CanDeleteObject())
				throw new System.Security.SecurityException("User not authorized to remove a Document");
			try
			{
				DataPortal.Delete(new PKCriteria(docID));
			}
			catch (Exception ex)
			{
				throw new DbCslaException("Error on Document.Delete", ex);
			}
		}
		public override Document Save()
		{
			if (IsDeleted && !CanDeleteObject())
				throw new System.Security.SecurityException("User not authorized to remove a Document");
			else if (IsNew && !CanAddObject())
				throw new System.Security.SecurityException("User not authorized to add a Document");
			else if (!CanEditObject())
				throw new System.Security.SecurityException("User not authorized to update a Document");
			try
			{
				BuildRefreshList();
				Document document = base.Save();
				RemoveFromDictionaries(); // if save is successful remove the previous Folder from the cache
				AddToCache(document);//Refresh the item in AllList
				ProcessRefreshList();
				return document;
			}
			catch (Exception ex)
			{
				throw new DbCslaException("Error on CSLA Save", ex);
			}
		}
		#endregion
		#region Data Access Portal
		[Serializable()]
		protected class PKCriteria
		{
			private int _DocID;
			public int DocID
			{ get { return _DocID; } }
			public PKCriteria(int docID)
			{
				_DocID = docID;
			}
		}
		// TODO: If Create needs to access DB - It should not be marked RunLocal
		[RunLocal()]
		private new void DataPortal_Create()
		{
			_DocID = NextDocID;
			// Database Defaults
			_DTS = _DocumentExtension.DefaultDTS;
			_UserID = _DocumentExtension.DefaultUserID;
			_FileExtension = _DocumentExtension.DefaultFileExtension;
			// TODO: Add any defaults that are necessary
			ValidationRules.CheckRules();
		}
		private void ReadData(SafeDataReader dr)
		{
			if (_MyLog.IsDebugEnabled) _MyLog.DebugFormat("[{0}] Document.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");
				dr.GetBytes("LastChanged", 0, _LastChanged, 0, 8);
				_FileExtension = dr.GetString("FileExtension");
				_DocumentEntryCount = dr.GetInt32("EntryCount");
				MarkOld();
			}
			catch (Exception ex)
			{
				if (_MyLog.IsErrorEnabled) _MyLog.Error("Document.ReadData", ex);
				_ErrorMessage = ex.Message;
				throw new DbCslaException("Document.ReadData", ex);
			}
		}
		private void DataPortal_Fetch(PKCriteria criteria)
		{
			if (_MyLog.IsDebugEnabled) _MyLog.DebugFormat("[{0}] Document.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);
						using (SafeDataReader dr = new SafeDataReader(cm.ExecuteReader()))
						{
							if (!dr.Read())
							{
								_ErrorMessage = "No Record Found";
								return;
							}
							ReadData(dr);
							// load child objects
							dr.NextResult();
							_DocumentEntries = DocumentEntries.Get(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("Document.DataPortal_Fetch", ex);
				_ErrorMessage = ex.Message;
				throw new DbCslaException("Document.DataPortal_Fetch", ex);
			}
		}
		[Transactional(TransactionalTypes.TransactionScope)]
		protected override void DataPortal_Insert()
		{
			try
			{
				using (SqlConnection cn = Database.VEPROMS_SqlConnection)
				{
					ApplicationContext.LocalContext["cn"] = cn;
					SQLInsert();
					// 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("Document.DataPortal_Insert", ex);
				_ErrorMessage = ex.Message;
				throw new DbCslaException("Document.DataPortal_Insert", ex);
			}
			finally
			{
				if (_MyLog.IsDebugEnabled) _MyLog.DebugFormat("[{0}] Document.DataPortal_Insert", GetHashCode());
			}
		}
		[Transactional(TransactionalTypes.TransactionScope)]
		internal void SQLInsert()
		{
			if (!this.IsDirty) return;
			try
			{
				SqlConnection cn = (SqlConnection)ApplicationContext.LocalContext["cn"];
				using (SqlCommand cm = cn.CreateCommand())
				{
					cm.CommandType = CommandType.StoredProcedure;
					cm.CommandText = "addDocument";
					// Input All Fields - Except Calculated Columns
					cm.Parameters.AddWithValue("@LibTitle", _LibTitle);
					cm.Parameters.AddWithValue("@DocContent", _DocContent);
					cm.Parameters.AddWithValue("@DocAscii", _DocAscii);
					cm.Parameters.AddWithValue("@Config", _Config);
					if (_DTS.Year >= 1753 && _DTS.Year <= 9999) cm.Parameters.AddWithValue("@DTS", _DTS);
					cm.Parameters.AddWithValue("@UserID", _UserID);
					cm.Parameters.AddWithValue("@FileExtension", _FileExtension);
					// Output Calculated Columns
					SqlParameter param_DocID = new SqlParameter("@newDocID", SqlDbType.Int);
					param_DocID.Direction = ParameterDirection.Output;
					cm.Parameters.Add(param_DocID);
					SqlParameter param_LastChanged = new SqlParameter("@newLastChanged", SqlDbType.Timestamp);
					param_LastChanged.Direction = ParameterDirection.Output;
					cm.Parameters.Add(param_LastChanged);
					// TODO: Define any additional output parameters
					cm.ExecuteNonQuery();
					// Save all values being returned from the Procedure
					_DocID = (int)cm.Parameters["@newDocID"].Value;
					_LastChanged = (byte[])cm.Parameters["@newLastChanged"].Value;
				}
				MarkOld();
				// update child objects
				if (_DocumentEntries != null) _DocumentEntries.Update(this);
				if (_MyLog.IsDebugEnabled) _MyLog.DebugFormat("[{0}] Document.SQLInsert", GetHashCode());
			}
			catch (Exception ex)
			{
				if (_MyLog.IsErrorEnabled) _MyLog.Error("Document.SQLInsert", ex);
				_ErrorMessage = ex.Message;
				throw new DbCslaException("Document.SQLInsert", ex);
			}
		}
		[Transactional(TransactionalTypes.TransactionScope)]
		public static byte[] Add(SqlConnection cn, ref int docID, string libTitle, byte[] docContent, string docAscii, string config, DateTime dts, string userID, string fileExtension)
		{
			if (_MyLog.IsDebugEnabled) _MyLog.DebugFormat("[{0}] Document.Add", 0);
			try
			{
				using (SqlCommand cm = cn.CreateCommand())
				{
					cm.CommandType = CommandType.StoredProcedure;
					cm.CommandText = "addDocument";
					// Input All Fields - Except Calculated Columns
					cm.Parameters.AddWithValue("@LibTitle", libTitle);
					cm.Parameters.AddWithValue("@DocContent", docContent);
					cm.Parameters.AddWithValue("@DocAscii", docAscii);
					cm.Parameters.AddWithValue("@Config", config);
					if (dts.Year >= 1753 && dts.Year <= 9999) cm.Parameters.AddWithValue("@DTS", dts);
					cm.Parameters.AddWithValue("@UserID", userID);
					cm.Parameters.AddWithValue("@FileExtension", fileExtension);
					// Output Calculated Columns
					SqlParameter param_DocID = new SqlParameter("@newDocID", SqlDbType.Int);
					param_DocID.Direction = ParameterDirection.Output;
					cm.Parameters.Add(param_DocID);
					SqlParameter param_LastChanged = new SqlParameter("@newLastChanged", SqlDbType.Timestamp);
					param_LastChanged.Direction = ParameterDirection.Output;
					cm.Parameters.Add(param_LastChanged);
					// TODO: Define any additional output parameters
					cm.ExecuteNonQuery();
					// Save all values being returned from the Procedure
					docID = (int)cm.Parameters["@newDocID"].Value;
					return (byte[])cm.Parameters["@newLastChanged"].Value;
				}
			}
			catch (Exception ex)
			{
				if (_MyLog.IsErrorEnabled) _MyLog.Error("Document.Add", ex);
				throw new DbCslaException("Document.Add", ex);
			}
		}
		[Transactional(TransactionalTypes.TransactionScope)]
		protected override void DataPortal_Update()
		{
			if (!IsDirty) return;	// If not dirty - nothing to do
			if (_MyLog.IsDebugEnabled) _MyLog.DebugFormat("[{0}] Document.DataPortal_Update", GetHashCode());
			try
			{
				using (SqlConnection cn = Database.VEPROMS_SqlConnection)
				{
					ApplicationContext.LocalContext["cn"] = cn;
					SQLUpdate();
					// 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("Document.DataPortal_Update", ex);
				_ErrorMessage = ex.Message;
				if (!ex.Message.EndsWith("has been edited by another user.")) throw ex;
			}
		}
		[Transactional(TransactionalTypes.TransactionScope)]
		internal void SQLUpdate()
		{
			if (!IsDirty) return;	// If not dirty - nothing to do
			if (_MyLog.IsDebugEnabled) _MyLog.DebugFormat("[{0}] Document.SQLUpdate", GetHashCode());
			try
			{
				SqlConnection cn = (SqlConnection)ApplicationContext.LocalContext["cn"];
				if (base.IsDirty)
				{
					using (SqlCommand cm = cn.CreateCommand())
					{
						cm.CommandType = CommandType.StoredProcedure;
						cm.CommandText = "updateDocument";
						// All Fields including Calculated Fields
						cm.Parameters.AddWithValue("@DocID", _DocID);
						cm.Parameters.AddWithValue("@LibTitle", _LibTitle);
						cm.Parameters.AddWithValue("@DocContent", _DocContent);
						cm.Parameters.AddWithValue("@DocAscii", _DocAscii);
						cm.Parameters.AddWithValue("@Config", _Config);
						if (_DTS.Year >= 1753 && _DTS.Year <= 9999) cm.Parameters.AddWithValue("@DTS", _DTS);
						cm.Parameters.AddWithValue("@UserID", _UserID);
						cm.Parameters.AddWithValue("@LastChanged", _LastChanged);
						cm.Parameters.AddWithValue("@FileExtension", _FileExtension);
						// Output Calculated Columns
						SqlParameter param_LastChanged = new SqlParameter("@newLastChanged", SqlDbType.Timestamp);
						param_LastChanged.Direction = ParameterDirection.Output;
						cm.Parameters.Add(param_LastChanged);
						// TODO: Define any additional output parameters
						cm.ExecuteNonQuery();
						// Save all values being returned from the Procedure
						_LastChanged = (byte[])cm.Parameters["@newLastChanged"].Value;
					}
				}
				MarkOld();
				// use the open connection to update child objects
				if (_DocumentEntries != null) _DocumentEntries.Update(this);
			}
			catch (Exception ex)
			{
				if (_MyLog.IsErrorEnabled) _MyLog.Error("Document.SQLUpdate", ex);
				_ErrorMessage = ex.Message;
				if (!ex.Message.EndsWith("has been edited by another user.")) throw ex;
			}
		}
		internal void Update()
		{
			if (!this.IsDirty) return;
			if (base.IsDirty)
			{
				SqlConnection cn = (SqlConnection)ApplicationContext.LocalContext["cn"];
				if (IsNew)
					_LastChanged = Document.Add(cn, ref _DocID, _LibTitle, _DocContent, _DocAscii, _Config, _DTS, _UserID, _FileExtension);
				else
					_LastChanged = Document.Update(cn, ref _DocID, _LibTitle, _DocContent, _DocAscii, _Config, _DTS, _UserID, ref _LastChanged, _FileExtension);
				MarkOld();
			}
			if (_DocumentEntries != null) _DocumentEntries.Update(this);
		}
		[Transactional(TransactionalTypes.TransactionScope)]
		public static byte[] Update(SqlConnection cn, ref int docID, string libTitle, byte[] docContent, string docAscii, string config, DateTime dts, string userID, ref byte[] lastChanged, string fileExtension)
		{
			if (_MyLog.IsDebugEnabled) _MyLog.DebugFormat("[{0}] Document.Update", 0);
			try
			{
				using (SqlCommand cm = cn.CreateCommand())
				{
					cm.CommandType = CommandType.StoredProcedure;
					cm.CommandText = "updateDocument";
					// Input All Fields - Except Calculated Columns
					cm.Parameters.AddWithValue("@DocID", docID);
					cm.Parameters.AddWithValue("@LibTitle", libTitle);
					cm.Parameters.AddWithValue("@DocContent", docContent);
					cm.Parameters.AddWithValue("@DocAscii", docAscii);
					cm.Parameters.AddWithValue("@Config", config);
					if (dts.Year >= 1753 && dts.Year <= 9999) cm.Parameters.AddWithValue("@DTS", dts);
					cm.Parameters.AddWithValue("@UserID", userID);
					cm.Parameters.AddWithValue("@LastChanged", lastChanged);
					cm.Parameters.AddWithValue("@FileExtension", fileExtension);
					// Output Calculated Columns
					SqlParameter param_LastChanged = new SqlParameter("@newLastChanged", SqlDbType.Timestamp);
					param_LastChanged.Direction = ParameterDirection.Output;
					cm.Parameters.Add(param_LastChanged);
					// TODO: Define any additional output parameters
					cm.ExecuteNonQuery();
					// Save all values being returned from the Procedure
					return (byte[])cm.Parameters["@newLastChanged"].Value;
				}
			}
			catch (Exception ex)
			{
				if (_MyLog.IsErrorEnabled) _MyLog.Error("Document.Update", ex);
				throw new DbCslaException("Document.Update", ex);
			}
		}
		[Transactional(TransactionalTypes.TransactionScope)]
		protected override void DataPortal_DeleteSelf()
		{
			DataPortal_Delete(new PKCriteria(_DocID));
		}
		[Transactional(TransactionalTypes.TransactionScope)]
		private void DataPortal_Delete(PKCriteria criteria)
		{
			if (_MyLog.IsDebugEnabled) _MyLog.DebugFormat("[{0}] Document.DataPortal_Delete", GetHashCode());
			try
			{
				using (SqlConnection cn = Database.VEPROMS_SqlConnection)
				{
					using (SqlCommand cm = cn.CreateCommand())
					{
						cm.CommandType = CommandType.StoredProcedure;
						cm.CommandText = "deleteDocument";
						cm.Parameters.AddWithValue("@DocID", criteria.DocID);
						cm.ExecuteNonQuery();
					}
				}
			}
			catch (Exception ex)
			{
				if (_MyLog.IsErrorEnabled) _MyLog.Error("Document.DataPortal_Delete", ex);
				_ErrorMessage = ex.Message;
				throw new DbCslaException("Document.DataPortal_Delete", ex);
			}
		}
		[Transactional(TransactionalTypes.TransactionScope)]
		public static void Remove(SqlConnection cn, int docID)
		{
			if (_MyLog.IsDebugEnabled) _MyLog.DebugFormat("[{0}] Document.Remove", 0);
			try
			{
				using (SqlCommand cm = cn.CreateCommand())
				{
					cm.CommandType = CommandType.StoredProcedure;
					cm.CommandText = "deleteDocument";
					// Input PK Fields
					cm.Parameters.AddWithValue("@DocID", docID);
					// TODO: Define any additional output parameters
					cm.ExecuteNonQuery();
				}
			}
			catch (Exception ex)
			{
				if (_MyLog.IsErrorEnabled) _MyLog.Error("Document.Remove", ex);
				throw new DbCslaException("Document.Remove", ex);
			}
		}
		#endregion
		#region Exists
		public static bool Exists(int docID)
		{
			ExistsCommand result;
			try
			{
				result = DataPortal.Execute<ExistsCommand>(new ExistsCommand(docID));
				return result.Exists;
			}
			catch (Exception ex)
			{
				throw new DbCslaException("Error on Document.Exists", ex);
			}
		}
		[Serializable()]
		private class ExistsCommand : CommandBase
		{
			private int _DocID;
			private bool _exists;
			public bool Exists
			{
				get { return _exists; }
			}
			public ExistsCommand(int docID)
			{
				_DocID = docID;
			}
			protected override void DataPortal_Execute()
			{
				if (_MyLog.IsDebugEnabled) _MyLog.DebugFormat("[{0}] Document.DataPortal_Execute", GetHashCode());
				try
				{
					using (SqlConnection cn = Database.VEPROMS_SqlConnection)
					{
						cn.Open();
						using (SqlCommand cm = cn.CreateCommand())
						{
							cm.CommandType = CommandType.StoredProcedure;
							cm.CommandText = "existsDocument";
							cm.Parameters.AddWithValue("@DocID", _DocID);
							int count = (int)cm.ExecuteScalar();
							_exists = (count > 0);
						}
					}
				}
				catch (Exception ex)
				{
					if (_MyLog.IsErrorEnabled) _MyLog.Error("Document.DataPortal_Execute", ex);
					throw new DbCslaException("Document.DataPortal_Execute", ex);
				}
			}
		}
		#endregion
		// Standard Default Code
		#region extension
		DocumentExtension _DocumentExtension = new DocumentExtension();
		[Serializable()]
		partial class DocumentExtension : extensionBase
		{
		}
		[Serializable()]
		class extensionBase
		{
			// Default Values
			public virtual DateTime DefaultDTS
			{
				get { return DateTime.Now; }
			}
			public virtual string DefaultUserID
			{
				get { return Environment.UserName.ToUpper(); }
			}
			public virtual string DefaultFileExtension
			{
				get { return ".Doc"; }
			}
			// Authorization Rules
			public virtual void AddAuthorizationRules(Csla.Security.AuthorizationRules rules)
			{
				// Needs to be overriden to add new authorization rules
			}
			// Instance Authorization Rules
			public virtual void AddInstanceAuthorizationRules(Csla.Security.AuthorizationRules rules)
			{
				// Needs to be overriden to add new authorization rules
			}
			// Validation Rules
			public virtual void AddValidationRules(Csla.Validation.ValidationRules rules)
			{
				// Needs to be overriden to add new validation rules
			}
			// InstanceValidation Rules
			public virtual void AddInstanceValidationRules(Csla.Validation.ValidationRules rules)
			{
				// Needs to be overriden to add new validation rules
			}
		}
		#endregion
	} // Class
	#region Converter
	internal class DocumentConverter : ExpandableObjectConverter
	{
		public override object ConvertTo(ITypeDescriptorContext context, System.Globalization.CultureInfo culture, object value, Type destType)
		{
			if (destType == typeof(string) && value is Document)
			{
				// Return the ToString value
				return ((Document)value).ToString();
			}
			return base.ConvertTo(context, culture, value, destType);
		}
	}
	#endregion
} // Namespace


//// The following is a sample Extension File.  You can use it to create DocumentExt.cs
//using System;
//using System.Collections.Generic;
//using System.Text;
//using Csla;

//namespace VEPROMS.CSLA.Library
//{
//  public partial class Document
//  {
//    partial class DocumentExtension : extensionBase
//    {
//      // TODO: Override automatic defaults
//      public virtual DateTime DefaultDTS
//      {
//        get { return DateTime.Now; }
//      }
//      public virtual string DefaultUserID
//      {
//        get { return Environment.UserName.ToUpper(); }
//      }
//      public virtual string DefaultFileExtension
//      {
//        get { return ".Doc"; }
//      }
//      public new void AddAuthorizationRules(Csla.Security.AuthorizationRules rules)
//      {
//        //rules.AllowRead(Dbid, "<Role(s)>");
//      }
//      public new void AddInstanceAuthorizationRules(Csla.Security.AuthorizationRules rules)
//      {
//        //rules.AllowInstanceRead(Dbid, "<Role(s)>");
//      }
//      public new void AddValidationRules(Csla.Validation.ValidationRules rules)
//      {
//        rules.AddRule(
//          Csla.Validation.CommonRules.StringMaxLength,
//          new Csla.Validation.CommonRules.MaxLengthRuleArgs("Name", 100));
//      }
//      public new void AddInstanceValidationRules(Csla.Validation.ValidationRules rules)
//      {
//        rules.AddInstanceRule(/* Instance Validation Rule */);
//      }
//    }
//  }
//}