// ========================================================================
// 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;

namespace Volian.Object.Library
{
    /// <summary>
    ///	Group Generated by MyGeneration using the CSLA Object Mapping template
    /// </summary>
    [Serializable()]
    public partial class Group : BusinessBase<Group>
    {
        #region Business Methods

        private int _gid;
        [System.ComponentModel.DataObjectField(true, true)]
        public int Gid
        {
            [System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
            get
            {
                return _gid;
            }
        }
        private string _groupname = string.Empty;
        [System.ComponentModel.DataObjectField(true, true)]
        public string GroupName
        {
            [System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
            get
            {
                return _groupname;
            }
            [System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
            set
            {
                if (value == null) value = string.Empty;
                if (_groupname != value)
                {
                    _groupname = value;
                    PropertyHasChanged();
                }
            }
        }
        private int _grouptype;
        [System.ComponentModel.DataObjectField(true, true)]
        public int GroupType
        {
            [System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
            get
            {
                return _grouptype;
            }
            [System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
            set
            {
                if (_grouptype != value)
                {
                    _grouptype = value;
                    PropertyHasChanged();
                }
            }
        }
        private string _config = string.Empty;
        [System.ComponentModel.DataObjectField(true, true)]
        public string Config
        {
            [System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
            get
            {
                return _config;
            }
            [System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
            set
            {
                if (value == null) value = string.Empty;
                if (_config != value)
                {
                    _config = value;
                    PropertyHasChanged();
                }
            }
        }
        private DateTime _dts = new DateTime();
        [System.ComponentModel.DataObjectField(true, true)]
        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 _usrid = string.Empty;
        [System.ComponentModel.DataObjectField(true, true)]
        public string Usrid
        {
            [System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
            get
            {
                return _usrid;
            }
            [System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
            set
            {
                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>
        [System.ComponentModel.DataObjectField(true, true)]
        public GroupAssignments GroupAssignments
        {
            [System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
            get
            {
                return _groupassignments;
            }
        }
        private GroupMemberships _groupmemberships = GroupMemberships.New();
        /// <summary>
        /// Related Field
        /// </summary>
        [System.ComponentModel.DataObjectField(true, true)]
        public GroupMemberships GroupMemberships
        {
            [System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
            get
            {
                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.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

        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 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 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;
            }
        }
        // If Create needs to access DB - It should not be marked RunLocal
        [RunLocal()]
        private new void DataPortal_Create(object criteria)
        {

            // 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", 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", 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", ex);
                return null;
            }
        }
        [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", 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", ex);
                return null;
            }
        }
        [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", 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", 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", 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

        // The follwing 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 PatrialClass
        //{
        //  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));
        //      }
        //    }
        //  }
        //}

    } // Class
} // Namespace