// ========================================================================
// Copyright 2006 - 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;

namespace Volian.CSLA.Library
{
	/// <summary>
	///	Group Generated by MyGeneration using the CSLA Object Mapping template
	/// </summary>
	[Serializable()]
	public partial class Group : BusinessBase<Group>
	{
		#region Business Methods
		private string _errorMessage = string.Empty;
		public string ErrorMessage
		{
			get { return _errorMessage; }
		}
		private static int _nextGID = -1;
		public static int NextGID
		{
			get { return _nextGID--; }
		}
		private int _GID;
		[System.ComponentModel.DataObjectField(true, true)]	
		public int GID
		{
			[System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
			get
			{
				CanReadProperty(true);
				return _GID;
			}
		}
		private string _GroupName = string.Empty;	
		public string GroupName
		{
			[System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
			get
			{
				CanReadProperty(true);
				return _GroupName;
			}
			[System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
			set
			{
				CanWriteProperty(true);
				if (value == null) value = string.Empty;
				if (_GroupName != value)
				{
					_GroupName = value;
					PropertyHasChanged();
				}
			}
		}
		private int _GroupType;	
		public int GroupType
		{
			[System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
			get
			{
				CanReadProperty(true);
				return _GroupType;
			}
			[System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
			set
			{
				CanWriteProperty(true);
				if (_GroupType != value)
				{
					_GroupType = value;
					PropertyHasChanged();
				}
			}
		}
		private string _Config = string.Empty;	
		public string Config
		{
			[System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
			get
			{
				CanReadProperty(true);
				return _Config;
			}
			[System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
			set
			{
				CanWriteProperty(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(true);
				return _DTS;
			}
			[System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
			set
			{
				CanWriteProperty(true);
				if (_DTS != value)
				{
					_DTS = value;
					PropertyHasChanged();
				}
			}
		}
		private string _UsrID = string.Empty;	
		public string UsrID
		{
			[System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
			get
			{
				CanReadProperty(true);
				return _UsrID;
			}
			[System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
			set
			{
				CanWriteProperty(true);
				if (value == null) value = string.Empty;
				if (_UsrID != value)
				{
					_UsrID = value;
					PropertyHasChanged();
				}
			}
		}
		private byte[] _LastChanged = new byte[8];//timestamp
		private GroupAssignments _GroupAssignments = GroupAssignments.New();
		/// <summary>
		/// Related Field
		/// </summary>	
		public GroupAssignments GroupAssignments
		{
			[System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
			get
			{
				CanReadProperty(true);
				return _GroupAssignments;
			}
		}
		private GroupMemberships _GroupMemberships = GroupMemberships.New();
		/// <summary>
		/// Related Field
		/// </summary>	
		public GroupMemberships GroupMemberships
		{
			[System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
			get
			{
				CanReadProperty(true);
				return _GroupMemberships;
			}
		}
		public override bool IsDirty
		{
			get { return base.IsDirty || _GroupAssignments.IsDirty || _GroupMemberships.IsDirty; }
		}
		public override bool IsValid
		{
			get { return base.IsValid && _GroupAssignments.IsValid && _GroupMemberships.IsValid; }
		}
		// TODO: Replace base Group.ToString function as necessary
		/// <summary>
		/// Overrides Base ToString
		/// </summary>
		/// <returns>A string representation of current Group</returns>
		//public override string ToString()
		//{
		//  return base.ToString();
		//}
		// TODO: Check Group.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 Group</returns>
		protected override object GetIdValue()
		{
			return _GID;
		}
		#endregion
		#region ValidationRules
		protected override void AddBusinessRules()
		{
			ValidationRules.AddRule(
				Csla.Validation.CommonRules.StringRequired, "GroupName");
			ValidationRules.AddRule(
				Csla.Validation.CommonRules.StringMaxLength,
				new Csla.Validation.CommonRules.MaxLengthRuleArgs("GroupName", 50));
			ValidationRules.AddRule(
				Csla.Validation.CommonRules.StringMaxLength,
				new Csla.Validation.CommonRules.MaxLengthRuleArgs("Config", 1073741823));
			ValidationRules.AddRule(
				Csla.Validation.CommonRules.StringRequired, "UsrID");
			ValidationRules.AddRule(
				Csla.Validation.CommonRules.StringMaxLength,
				new Csla.Validation.CommonRules.MaxLengthRuleArgs("UsrID", 100));
			ext.AddValidationRules(ValidationRules);
			// TODO:  Add other validation rules
			//	ValidationRules.AddRule(StartDateGTEndDate, "Started");
		}
		// 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(GID, "<Role(s)>");
			//AuthorizationRules.AllowRead(GroupName, "<Role(s)>");
			//AuthorizationRules.AllowRead(GroupType, "<Role(s)>");
			//AuthorizationRules.AllowRead(Config, "<Role(s)>");
			//AuthorizationRules.AllowRead(DTS, "<Role(s)>");
			//AuthorizationRules.AllowRead(UsrID, "<Role(s)>");
			//AuthorizationRules.AllowWrite(GroupName, "<Role(s)>");
			//AuthorizationRules.AllowWrite(GroupType, "<Role(s)>");
			//AuthorizationRules.AllowWrite(Config, "<Role(s)>");
			//AuthorizationRules.AllowWrite(DTS, "<Role(s)>");
			//AuthorizationRules.AllowWrite(UsrID, "<Role(s)>");
			ext.AddAuthorizationRules(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;
		}
		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 Group()
		{/* require use of factory methods */}
		public static Group New()
		{
			if (!CanAddObject())
				throw new System.Security.SecurityException("User not authorized to add a Group");
			return DataPortal.Create<Group>();
		}
		public static Group New(string groupName, int groupType, string config)
		{
			Group tmp = Group.New();
			tmp.GroupName = groupName;
			tmp.GroupType = groupType;
			tmp.Config = config;
			return tmp;
		}
		public static Group MakeGroup(string groupName, int groupType, string config)
		{
			Group tmp = Group.New(groupName, groupType, config);
			tmp.Save();
			return tmp;
		}
		public static Group MakeGroup(string groupName, int groupType, string config, DateTime dts, string usrID)
		{
			Group tmp = Group.New(groupName, groupType, config);
			if (dts >= new DateTime(1753, 1, 1) && dts <= new DateTime(9999, 12, 31)) tmp.DTS = dts;
			if (usrID != null && usrID != string.Empty) tmp.UsrID = usrID;
			tmp.Save();
			return tmp;
		}
		public static Group Get(int gid)
		{
			if (!CanGetObject())
				throw new System.Security.SecurityException("User not authorized to view a Group");
			return DataPortal.Fetch<Group>(new PKCriteria(gid));
		}
		public static Group Get(SafeDataReader dr)
		{
			if (dr.Read()) return new Group(dr);
			return null;
		}
		private Group(SafeDataReader dr)
		{
			_GID = dr.GetInt32("GID");
			_GroupName = dr.GetString("GroupName");
			_GroupType = dr.GetInt32("GroupType");
			_Config = dr.GetString("Config");
			_DTS = dr.GetDateTime("DTS");
			_UsrID = dr.GetString("UsrID");
			dr.GetBytes("LastChanged", 0, _LastChanged, 0, 8);
		}
		public static void Delete(int gid)
		{
			if (!CanDeleteObject())
				throw new System.Security.SecurityException("User not authorized to remove a Group");
			DataPortal.Delete(new PKCriteria(gid));
		}
		public override Group Save()
		{
			if (IsDeleted && !CanDeleteObject())
				throw new System.Security.SecurityException("User not authorized to remove a Group");
			else if (IsNew && !CanAddObject())
				throw new System.Security.SecurityException("User not authorized to add a Group");
			else if (!CanEditObject())
				throw new System.Security.SecurityException("User not authorized to update a Group");
			return base.Save();
		}
		#endregion
		#region Data Access Portal
		[Serializable()]
		private class PKCriteria
		{
			private int _GID;
			public int GID
			{ get { return _GID; } }
			public PKCriteria(int gid)
			{
				_GID = gid;
			}
		}
		// TODO: If Create needs to access DB - It should not be marked RunLocal
		[RunLocal()]
		private new void DataPortal_Create(object criteria)
		{
			_GID = NextGID;
			// Database Defaults
			_DTS = ext.DefaultDTS;
			_UsrID = ext.DefaultUsrID;
			// TODO: Add any defaults that are necessary
			ValidationRules.CheckRules();
		}
		private void DataPortal_Fetch(PKCriteria criteria)
		{
			try
			{
				using (SqlConnection cn = Database.VEPROMS_SqlConnection)
				{
					using (SqlCommand cm = cn.CreateCommand())
					{
						cm.CommandType = CommandType.StoredProcedure;
						cm.CommandText = "getGroup";
						cm.Parameters.AddWithValue("@GID", criteria.GID);
						using (SafeDataReader dr = new SafeDataReader(cm.ExecuteReader()))
						{
							dr.Read();
							_GID = dr.GetInt32("GID");
							_GroupName = dr.GetString("GroupName");
							_GroupType = dr.GetInt32("GroupType");
							_Config = dr.GetString("Config");
							_DTS = dr.GetDateTime("DTS");
							_UsrID = dr.GetString("UsrID");
							dr.GetBytes("LastChanged", 0, _LastChanged, 0, 8);
							// load child objects
							dr.NextResult();
							_GroupAssignments = GroupAssignments.Get(dr);
							// load child objects
							dr.NextResult();
							_GroupMemberships = GroupMemberships.Get(dr);
						}
					}
				}
			}
			catch (Exception ex)
			{
				Database.LogException("Group.DataPortal_Fetch", ex);
				_errorMessage = ex.Message;
				throw new DbCslaException("Group.DataPortal_Fetch", ex);
			}
		}
		[Transactional(TransactionalTypes.TransactionScope)]
		protected override void DataPortal_Insert()
		{
			try
			{
				using (SqlConnection cn = Database.VEPROMS_SqlConnection)
				{
					using (SqlCommand cm = cn.CreateCommand())
					{
						cm.CommandType = CommandType.StoredProcedure;
						cm.CommandText = "addGroup";
						// Input All Fields - Except Calculated Columns
						cm.Parameters.AddWithValue("@GroupName", _GroupName);
						cm.Parameters.AddWithValue("@GroupType", _GroupType);
						cm.Parameters.AddWithValue("@Config", _Config);
						cm.Parameters.AddWithValue("@DTS", _DTS);
						cm.Parameters.AddWithValue("@UsrID", _UsrID);
						// Output Calculated Columns
						SqlParameter param_GID = new SqlParameter("@newGID", SqlDbType.Int);
						param_GID.Direction = ParameterDirection.Output;
						cm.Parameters.Add(param_GID);
						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
						_GID = (int)cm.Parameters["@newGID"].Value;
						_LastChanged = (byte[])cm.Parameters["@newLastChanged"].Value;
					}
					// update child objects
					_GroupAssignments.Update(this, cn);
					_GroupMemberships.Update(this, cn);
				}
			}
			catch (Exception ex)
			{
				Database.LogException("Group.DataPortal_Insert", ex);
				_errorMessage = ex.Message;
				throw new DbCslaException("Group.DataPortal_Fetch", ex);
			}
		}
		[Transactional(TransactionalTypes.TransactionScope)]
		public static byte[] Add(SqlConnection cn, ref int gid, string groupName, int groupType, string config, DateTime dts, string usrID)
		{
			try
			{
				using (SqlCommand cm = cn.CreateCommand())
				{
					cm.CommandType = CommandType.StoredProcedure;
					cm.CommandText = "addGroup";
					// Input All Fields - Except Calculated Columns
					cm.Parameters.AddWithValue("@GroupName", groupName);
					cm.Parameters.AddWithValue("@GroupType", groupType);
					cm.Parameters.AddWithValue("@Config", config);
					cm.Parameters.AddWithValue("@DTS", dts);
					cm.Parameters.AddWithValue("@UsrID", usrID);
					// Output Calculated Columns
					SqlParameter param_GID = new SqlParameter("@newGID", SqlDbType.Int);
					param_GID.Direction = ParameterDirection.Output;
					cm.Parameters.Add(param_GID);
					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
					gid = (int)cm.Parameters["@newGID"].Value;
					return (byte[])cm.Parameters["@newLastChanged"].Value;
				}
			}
			catch (Exception ex)
			{
				Database.LogException("Group.Add", ex);
				throw new DbCslaException("Group.Add", ex);
			}
		}
		[Transactional(TransactionalTypes.TransactionScope)]
		protected override void DataPortal_Update()
		{
			if (IsDirty)// If this is dirty - open the connection
			{
				try
				{
					using (SqlConnection cn = Database.VEPROMS_SqlConnection)
					{
						if (base.IsDirty)
						{
							using (SqlCommand cm = cn.CreateCommand())
							{
								cm.CommandType = CommandType.StoredProcedure;
								cm.CommandText = "updateGroup";
								// All Fields including Calculated Fields
								cm.Parameters.AddWithValue("@GID", _GID);
								cm.Parameters.AddWithValue("@GroupName", _GroupName);
								cm.Parameters.AddWithValue("@GroupType", _GroupType);
								cm.Parameters.AddWithValue("@Config", _Config);
								cm.Parameters.AddWithValue("@DTS", _DTS);
								cm.Parameters.AddWithValue("@UsrID", _UsrID);
								cm.Parameters.AddWithValue("@LastChanged", _LastChanged);
								// 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;
							}
						}
						// use the open connection to update child objects
						_GroupAssignments.Update(this, cn);
						_GroupMemberships.Update(this, cn);
					}
				}
				catch (Exception ex)
				{
					Database.LogException("Group.DataPortal_Update", ex);
					_errorMessage = ex.Message;
					if (!ex.Message.EndsWith("has been edited by another user."))throw ex;
				}
			}
		}
		[Transactional(TransactionalTypes.TransactionScope)]
		public static byte[] Update(SqlConnection cn, ref int gid, string groupName, int groupType, string config, DateTime dts, string usrID, ref byte[] lastChanged)
		{
			try
			{
				using (SqlCommand cm = cn.CreateCommand())
				{
					cm.CommandType = CommandType.StoredProcedure;
					cm.CommandText = "updateGroup";
					// Input All Fields - Except Calculated Columns
					cm.Parameters.AddWithValue("@GID", gid);
					cm.Parameters.AddWithValue("@GroupName", groupName);
					cm.Parameters.AddWithValue("@GroupType", groupType);
					cm.Parameters.AddWithValue("@Config", config);
					cm.Parameters.AddWithValue("@DTS", dts);
					cm.Parameters.AddWithValue("@UsrID", usrID);
					cm.Parameters.AddWithValue("@LastChanged", lastChanged);
					// 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)
			{
				Database.LogException("Group.Update", ex);
				throw new DbCslaException("Group.Update", ex);
			}
		}
		[Transactional(TransactionalTypes.TransactionScope)]
		protected override void DataPortal_DeleteSelf()
		{
			DataPortal_Delete(new PKCriteria(_GID));
		}
		[Transactional(TransactionalTypes.TransactionScope)]
		private void DataPortal_Delete(PKCriteria criteria)
		{
			try
			{
				using (SqlConnection cn = Database.VEPROMS_SqlConnection)
				{
					using (SqlCommand cm = cn.CreateCommand())
					{
						cm.CommandType = CommandType.StoredProcedure;
						cm.CommandText = "deleteGroup";
						cm.Parameters.AddWithValue("@GID", criteria.GID);
						cm.ExecuteNonQuery();
					}
				}
			}
			catch (Exception ex)
			{
				Database.LogException("Group.DataPortal_Delete", ex);
				_errorMessage = ex.Message;
				throw new DbCslaException("Group.DataPortal_Delete", ex);
			}
		}
		[Transactional(TransactionalTypes.TransactionScope)]
		public static void Remove(SqlConnection cn, int gid)
		{
			try
			{
				using (SqlCommand cm = cn.CreateCommand())
				{
					cm.CommandType = CommandType.StoredProcedure;
					cm.CommandText = "deleteGroup";
					// Input PK Fields
					cm.Parameters.AddWithValue("@GID", gid);
					// TODO: Define any additional output parameters
					cm.ExecuteNonQuery();
				}
			}
			catch (Exception ex)
			{
				Database.LogException("Group.Remove", ex);
				throw new DbCslaException("Group.Remove", ex);
			}
		}
		#endregion
		#region Exists
		public static bool Exists(int gid)
		{
			ExistsCommand result;
			result = DataPortal.Execute<ExistsCommand>
				(new ExistsCommand(gid));
			return result.Exists;
		}
		[Serializable()]
		private class ExistsCommand : CommandBase
		{
			private int _GID;
			private bool _exists;
			public bool Exists
			{
				get { return _exists; }
			}
			public ExistsCommand(int gid)
			{
				_GID = gid;
			}
			protected override void DataPortal_Execute()
			{
				try
				{
					using (SqlConnection cn = Database.VEPROMS_SqlConnection)
					{
						cn.Open();
						using (SqlCommand cm = cn.CreateCommand())
						{
							cm.CommandType = CommandType.StoredProcedure;
							cm.CommandText = "existsGroup";
							cm.Parameters.AddWithValue("@GID", _GID);
							int count = (int)cm.ExecuteScalar();
							_exists = (count > 0);
						}
					}
				}
				catch (Exception ex)
				{
					Database.LogException("Group.DataPortal_Execute", ex);
					throw new DbCslaException("Group.DataPortal_Execute", ex);
				}
			}
		}
		#endregion
		// Standard Default Code
		#region extension
		Extension ext = new Extension();
		[Serializable()]
		partial class Extension : extensionBase
		{
		}
		[Serializable()]
		class extensionBase
		{
			// Default Values
			public virtual DateTime DefaultDTS
			{
				get { return DateTime.Now; }
			}
			public virtual string DefaultUsrID
			{
				get { return Environment.UserName.ToUpper(); }
			}
			// Authorization Rules
			public virtual void AddAuthorizationRules(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
			}
		}
		#endregion
	} // Class
} // Namespace


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

//namespace Volian.CSLA.Library
//{
//  public partial class Group
//  {
//    partial class Extension : extensionBase
//    {
//      // TODO: Override automatic defaults
//      public virtual DateTime DefaultDTS
//      {
//        get { return DateTime.Now; }
//      }
//      public virtual string DefaultUsrID
//      {
//        get { return Environment.UserName.ToUpper(); }
//      }
//      public new void AddAuthorizationRules(Csla.Security.AuthorizationRules rules)
//      {
//        //rules.AllowRead(Dbid, "<Role(s)>");
//      }
//      public new void AddValidationRules(Csla.Validation.ValidationRules rules)
//      {
//        rules.AddRule(
//          Csla.Validation.CommonRules.StringMaxLength,
//          new Csla.Validation.CommonRules.MaxLengthRuleArgs("Name", 100));
//      }
//    }
//  }
//}