// ========================================================================
// 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.SqlClient;
using Csla;
using Csla.Data;
using System.ComponentModel;
using System.Collections.Generic;
using Csla.Validation;
namespace VEPROMS.CSLA.Library
{
    /// <summary>
    ///	ContentPart Generated by MyGeneration using the CSLA Object Mapping template
    /// </summary>
    [Serializable()]
    [TypeConverter(typeof(ContentPartConverter))]
    public partial class ContentPart : BusinessBase<ContentPart>, IVEHasBrokenRules, IDisposable
    {
        #region Log4Net
        private static readonly log4net.ILog _MyLog = log4net.LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType);
        #endregion
        #region Business Methods
        private readonly string _ErrorMessage = string.Empty;
        public string ErrorMessage => _ErrorMessage;
        private int _FromType;
        [System.ComponentModel.DataObjectField(true, true)]
        public int FromType
        {
            [System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
            get
            {
                return _FromType;
            }
        }
        private int _ItemID;
        public int ItemID
        {
            [System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
            get
            {
                if (_MyItem != null) _ItemID = _MyItem.ItemID;
                return _ItemID;
            }
        }
        private Item _MyItem;
        public Item MyItem
        {
            [System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
            get
            {
                if (_MyItem == null && _ItemID != 0) _MyItem = Item.Get(_ItemID);
                return _MyItem;
            }
            [System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
            set
            {
                if (_MyItem != value)
                {
                    _MyItem = value;
                    _ItemID = value.ItemID;// Update underlying data field
                    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
        private int? _Item_PreviousID;
        public int? Item_PreviousID
        {
            [System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
            get
            {
                return _Item_PreviousID;
            }
        }
        private int _Item_ContentID;
        public int Item_ContentID
        {
            [System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
            get
            {
                return _Item_ContentID;
            }
        }
        private DateTime _Item_DTS = new DateTime();
        public DateTime Item_DTS
        {
            [System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
            get
            {
                return _Item_DTS;
            }
        }
        private string _Item_UserID = string.Empty;
        public string Item_UserID
        {
            [System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
            get
            {
                return _Item_UserID;
            }
        }
        // CSLATODO: Check ContentPart.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 ContentPart</returns>
        protected override object GetIdValue() => MyContentPartUnique; // Absolutely Unique ID
        // CSLATODO: Replace base ContentPart.ToString function as necessary
        /// <summary>
        /// Overrides Base ToString
        /// </summary>
        /// <returns>A string representation of current ContentPart</returns>
        //public override string ToString()
        //{
        //  return base.ToString();
        //}
        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 || (_MyItem != null && _MyItem.IsDirtyList(list));
        }
        public override bool IsValid => IsValidList(new List<object>());
        public bool IsValidList(List<object> list)
        {
            if (list.Contains(this))
                return (IsNew && !IsDirty) || base.IsValid;
            list.Add(this);
            return ((IsNew && !IsDirty) || base.IsValid) && (_MyItem == null || _MyItem.IsValidList(list));
        }
        #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 (Equals(hasBrokenRules)) return BrokenRulesCollection;
                return hasBrokenRules?.BrokenRules;
            }
        }
        protected override void AddBusinessRules()
        {
            ValidationRules.AddRule<ContentPart>(MyItemRequired, "MyItem");
            ValidationRules.AddRule(
                Csla.Validation.CommonRules.StringRequired, "UserID");
            ValidationRules.AddRule(
                Csla.Validation.CommonRules.StringMaxLength,
                new Csla.Validation.CommonRules.MaxLengthRuleArgs("UserID", 100));
            // CSLATODO:  Add other validation rules
        }
        private static bool MyItemRequired(ContentPart target, Csla.Validation.RuleArgs e)
        {
            if (target._ItemID == 0 && target._MyItem == null) // Required field missing
            {
                e.Description = "Required";
                return false;
            }
            return true;
        }
        #endregion
        #region Authorization Rules
        protected override void AddAuthorizationRules()
        {
        }
        #endregion
        #region Factory Methods
        public int CurrentEditLevel => EditLevel;
        private static int _ContentPartUnique = 0;
        private static int ContentPartUnique => ++_ContentPartUnique;
        private readonly int _MyContentPartUnique = ContentPartUnique;
        // Absolutely Unique ID - Editable FK
        public int MyContentPartUnique => _MyContentPartUnique;
        internal static ContentPart New(int fromType, Item myItem) => new ContentPart(fromType, myItem);
        internal static ContentPart Get(SafeDataReader dr) => new ContentPart(dr);
        public ContentPart()
        {
            MarkAsChild();

            _DTS = _ContentPartExtension.DefaultDTS;
            _UserID = _ContentPartExtension.DefaultUserID;
            ValidationRules.CheckRules();
        }
        private ContentPart(int fromType, Item myItem)
        {
            MarkAsChild();
            // CSLATODO: Add any initialization & defaults
            _DTS = _ContentPartExtension.DefaultDTS;
            _UserID = _ContentPartExtension.DefaultUserID;
            _FromType = fromType;
            _MyItem = myItem;
            ValidationRules.CheckRules();
        }
        internal ContentPart(SafeDataReader dr)
        {
            MarkAsChild();
            Fetch(dr);
        }
        private bool _Disposed = false;
        private static int _CountCreated = 0;
        private static int _CountDisposed = 0;
        private static int _CountFinalized = 0;
        private static int IncrementCountCreated => ++_CountCreated;
        private readonly int _CountWhenCreated = IncrementCountCreated;
        public static int CountCreated => _CountCreated;
        public static int CountNotDisposed => _CountCreated - _CountDisposed;
        public static int CountNotFinalized => _CountCreated - _CountFinalized;
        ~ContentPart()
        {
            _CountFinalized++;
        }
        public void Dispose()
        {
            if (_Disposed) return;
            _CountDisposed++;
            _Disposed = true;
            if (_MyItem != null)
            {
                _MyItem.Dispose();
                _MyItem = null;
            }
        }
        #endregion
        #region Data Access Portal
        private void Fetch(SafeDataReader dr)
        {
            if (_MyLog.IsDebugEnabled) _MyLog.DebugFormat("[{0}] ContentPart.FetchDR", GetHashCode());
            try
            {
                _FromType = dr.GetInt32("FromType");
                _ItemID = dr.GetInt32("ItemID");
                _DTS = dr.GetDateTime("DTS");
                _UserID = dr.GetString("UserID");
                dr.GetBytes("LastChanged", 0, _LastChanged, 0, 8);
                _Item_PreviousID = (int?)dr.GetValue("Item_PreviousID");
                _Item_ContentID = dr.GetInt32("Item_ContentID");
                _Item_DTS = dr.GetDateTime("Item_DTS");
                _Item_UserID = dr.GetString("Item_UserID");
            }
            catch (Exception ex) // FKItem Fetch
            {
                if (_MyLog.IsErrorEnabled) _MyLog.Error("ContentPart.FetchDR", ex);
                throw new DbCslaException("ContentPart.Fetch", ex);
            }
            MarkOld();
        }
        internal void Insert(Content myContent)
        {
            // if we're not dirty then don't update the database
            if (!IsDirty) return;
            using (SqlConnection cn = (SqlConnection)ApplicationContext.LocalContext["cn"])
            {
                _LastChanged = Part.Add(cn, myContent, _FromType, _MyItem, _DTS, _UserID);
            }

            MarkOld();
        }
        internal void Update(Content myContent)
        {
            // if we're not dirty then don't update the database
            if (!IsDirty) return;
            using (SqlConnection cn = (SqlConnection)ApplicationContext.LocalContext["cn"])
            {
                _LastChanged = Part.Update(cn, myContent.ContentID, _FromType, _ItemID, _DTS, _UserID, ref _LastChanged);
            }

            MarkOld();
        }
        internal void DeleteSelf(Content myContent)
        {
            // if we're not dirty then don't update the database
            if (!IsDirty) return;
            // if we're new then don't update the database
            if (IsNew) return;
            using (SqlConnection cn = (SqlConnection)ApplicationContext.LocalContext["cn"])
            {
                Part.Remove(cn, myContent.ContentID, _FromType);
            }

            MarkNew();
        }
        #endregion
        // Standard Default Code
        #region extension
        readonly ContentPartExtension _ContentPartExtension = new ContentPartExtension();
        [Serializable()]
        partial class ContentPartExtension : extensionBase
        {
        }
        [Serializable()]
        class extensionBase
        {
            // Default Values
            public virtual DateTime DefaultDTS => DateTime.Now;
            public virtual string DefaultUserID => Volian.Base.Library.VlnSettings.UserID;
            // 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 ContentPartConverter : ExpandableObjectConverter
    {
        public override object ConvertTo(ITypeDescriptorContext context, System.Globalization.CultureInfo culture, object value, Type destType)
        {
            if (destType == typeof(string) && value is ContentPart part)
            {
                // Return the ToString value
                return part.ToString();
            }
            return base.ConvertTo(context, culture, value, destType);
        }
    }
    #endregion
} // Namespace