// ========================================================================
// 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 Csla.Validation;
namespace VEPROMS.CSLA.Library
{
    /// <summary>
    ///	ContentItem Generated by MyGeneration using the CSLA Object Mapping template
    /// </summary>
    [Serializable()]
    [TypeConverter(typeof(ContentItemConverter))]
    public partial class ContentItem : BusinessBase<ContentItem>, IVEHasBrokenRules
    {
        #region Log4Net
        private static readonly log4net.ILog _MyLog = log4net.LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType);
        #endregion
        #region Business Methods
        private string _ErrorMessage = string.Empty;
        public string ErrorMessage
        {
            get { return _ErrorMessage; }
        }
        private int _ItemID;
        [System.ComponentModel.DataObjectField(true, true)]
        public int ItemID
        {
            [System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
            get
            {
                if (_MyItem != null) _ItemID = _MyItem.ItemID;
                return _ItemID;
            }
        }
        private Item _MyItem;
        [System.ComponentModel.DataObjectField(true, true)]
        public Item MyItem
        {
            [System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
            get
            {
                if (_MyItem == null && _ItemID != 0) _MyItem = Item.Get(_ItemID);
                return _MyItem;
            }
        }
        private int? _PreviousID;
        public int? PreviousID
        {
            [System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
            get
            {
                if (_MyPrevious != null) _PreviousID = _MyPrevious.ItemID;
                return _PreviousID;
            }
        }
        private Item _MyPrevious;
        public Item MyPrevious
        {
            [System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
            get
            {
                if (_MyPrevious == null && _PreviousID != null) _MyPrevious = Item.Get((int)_PreviousID);
                return _MyPrevious;
            }
            [System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
            set
            {
                if ((_MyPrevious == null ? _PreviousID : (int?)_MyPrevious.ItemID) != (value == null ? null : (int?)value.ItemID))
                {
                    _MyPrevious = value;
                    _PreviousID = (value == null ? null : (int?)value.ItemID);
                    PropertyHasChanged();
                }
            }
        }
        private DateTime _DTS = new DateTime();
        public DateTime DTS
        {
            [System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
            get
            {
                return _DTS;
            }
            [System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
            set
            {
                if (_DTS != value)
                {
                    _DTS = value;
                    PropertyHasChanged();
                }
            }
        }
        private string _UserID = string.Empty;
        public string UserID
        {
            [System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
            get
            {
                return _UserID;
            }
            [System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
            set
            {
                if (value == null) value = string.Empty;
                if (_UserID != value)
                {
                    _UserID = value;
                    PropertyHasChanged();
                }
            }
        }
        private byte[] _LastChanged = new byte[8];//timestamp
                                                  // TODO: Check ContentItem.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 ContentItem</returns>
        protected override object GetIdValue()
        {
            return _ItemID;
        }
        // TODO: Replace base ContentItem.ToString function as necessary
        /// <summary>
        /// Overrides Base ToString
        /// </summary>
        /// <returns>A string representation of current ContentItem</returns>
        //public override string ToString()
        //{
        //  return base.ToString();
        //}
        #endregion
        #region ValidationRules
        [NonSerialized]
        private bool _CheckingBrokenRules = false;
        public IVEHasBrokenRules HasBrokenRules
        {
            get
            {
                if (_CheckingBrokenRules) return null;
                if (BrokenRulesCollection.Count > 0) return this;
                try
                {
                    _CheckingBrokenRules = true;
                    IVEHasBrokenRules hasBrokenRules = null;
                    if (_MyItem != null && (hasBrokenRules = _MyItem.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.StringRequired, "UserID");
            ValidationRules.AddRule(
                Csla.Validation.CommonRules.StringMaxLength,
                new Csla.Validation.CommonRules.MaxLengthRuleArgs("UserID", 100));
            // 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(ItemID, "<Role(s)>");
            //AuthorizationRules.AllowRead(PreviousID, "<Role(s)>");
            //AuthorizationRules.AllowWrite(PreviousID, "<Role(s)>");
            //AuthorizationRules.AllowRead(DTS, "<Role(s)>");
            //AuthorizationRules.AllowWrite(DTS, "<Role(s)>");
            //AuthorizationRules.AllowRead(UserID, "<Role(s)>");
            //AuthorizationRules.AllowWrite(UserID, "<Role(s)>");
        }
        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; } }
        internal static ContentItem New()
        {
            return new ContentItem();
        }
        internal static ContentItem Get(SafeDataReader dr)
        {
            return new ContentItem(dr);
        }
        public ContentItem()
        {
            MarkAsChild();
            _ItemID = Item.NextItemID;
            _DTS = _ContentItemExtension.DefaultDTS;
            _UserID = _ContentItemExtension.DefaultUserID;
            ValidationRules.CheckRules();
        }
        internal ContentItem(SafeDataReader dr)
        {
            MarkAsChild();
            Fetch(dr);
        }
        #endregion
        #region Data Access Portal
        private void Fetch(SafeDataReader dr)
        {
            if (_MyLog.IsDebugEnabled) _MyLog.DebugFormat("[{0}] ContentItem.FetchDR", GetHashCode());
            try
            {
                _ItemID = dr.GetInt32("ItemID");
                _PreviousID = (int?)dr.GetValue("PreviousID");
                _DTS = dr.GetDateTime("DTS");
                _UserID = dr.GetString("UserID");
                dr.GetBytes("LastChanged", 0, _LastChanged, 0, 8);
            }
            catch (Exception ex) // FKItem Fetch
            {
                if (_MyLog.IsErrorEnabled) _MyLog.Error("ContentItem.FetchDR", ex);
                throw new DbCslaException("ContentItem.Fetch", ex);
            }
            MarkOld();
        }
        internal void Insert(Content myContent)
        {
            // if we're not dirty then don't update the database
            if (!this.IsDirty) return;
            SqlConnection cn = (SqlConnection)ApplicationContext.LocalContext["cn"];
            _LastChanged = Item.Add(cn, ref _ItemID, Item.Get((int)_PreviousID), myContent, _DTS, _UserID);
            MarkOld();
        }
        internal void Update(Content myContent)
        {
            // if we're not dirty then don't update the database
            if (!this.IsDirty) return;
            SqlConnection cn = (SqlConnection)ApplicationContext.LocalContext["cn"];
            _LastChanged = Item.Update(cn, ref _ItemID, Item.Get((int)_PreviousID), myContent, _DTS, _UserID, ref _LastChanged);
            MarkOld();
        }
        internal void DeleteSelf(Content myContent)
        {
            // if we're not dirty then don't update the database
            if (!this.IsDirty) return;
            // if we're new then don't update the database
            if (this.IsNew) return;
            SqlConnection cn = (SqlConnection)ApplicationContext.LocalContext["cn"];
            Item.Remove(cn, _ItemID);
            MarkNew();
        }
        #endregion
        // Standard Default Code
        #region extension
        ContentItemExtension _ContentItemExtension = new ContentItemExtension();
        [Serializable()]
        partial class ContentItemExtension : extensionBase
        {
        }
        [Serializable()]
        class extensionBase
        {
            // Default Values
            public virtual DateTime DefaultDTS
            {
                get { return DateTime.Now; }
            }
            public virtual string DefaultUserID
            {
                get { return Environment.UserName.ToUpper(); }
            }
            // 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 ContentItemConverter : ExpandableObjectConverter
    {
        public override object ConvertTo(ITypeDescriptorContext context, System.Globalization.CultureInfo culture, object value, Type destType)
        {
            if (destType == typeof(string) && value is ContentItem)
            {
                // Return the ToString value
                return ((ContentItem)value).ToString();
            }
            return base.ConvertTo(context, culture, value, destType);
        }
    }
    #endregion
} // Namespace


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

//namespace VEPROMS.CSLA.Library
//{
//  public partial class ContentItem
//  {
//    partial class ContentItemExtension : extensionBase
//    {
//      // TODO: Override automatic defaults
//      public virtual DateTime DefaultDTS
//      {
//        get { return DateTime.Now; }
//      }
//      public virtual string DefaultUserID
//      {
//        get { return Environment.UserName.ToUpper(); }
//      }
//      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 */);
//      }
//    }
//  }
//}