///////////////////////////////////////////////////////////
//  PartByWarehouseInventories.cs
//  Implementation of Class PartByWarehouseInventories
//  CSLA type: Editable root collection 
//  Created on: 24-Nov-2005
//  Object design: Joyce  
//	Coded: 24-Nov-2005 
///////////////////////////////////////////////////////////

using System;
using System.Data;
using CSLA.Data;
using GZTW.Data;
using CSLA;


namespace GZTW.AyaNova.BLL 
{
    /// <summary>
    /// Editable root collection of <see cref="PartByWarehouseInventory"/> objects
    /// </summary>
	[Serializable]
	public class PartByWarehouseInventories : BusinessCollectionBase //v8port: This is only used to feed the PartByWarehouseInventoryForm which is only used to set teh restock level and view inventory levels, it's redundant
	{
		private Guid mPartID=Guid.Empty;
		#region Constructor
		
		//Private constructor prevents direction instantiation
		private PartByWarehouseInventories()
		{
			AllowSort=false;
			AllowFind=true;
			AllowEdit=true;
			AllowNew=true;
			AllowRemove=true;

		}

		#endregion

		#region Business properties and methods
		

		/// <summary>
		/// Retrieve PartByWarehouseInventory by index
		/// </summary>
		/// <param name="Item">Index</param>
		public PartByWarehouseInventory this[int Item]
		{
			get
			{
				return (PartByWarehouseInventory) List[Item];

			}
		}
	
		

		/// <summary>
		/// Remove PartByWarehouseInventory by passing it in
		/// </summary>
		/// <param name="obj"></param>
		public void Remove(PartByWarehouseInventory obj)
		{
			List.Remove(obj);
		}

		/// <summary>
		/// Add a new PartByWarehouseInventory to the collection
		/// </summary>
		
		public PartByWarehouseInventory Add()
		{
			PartByWarehouseInventory child=PartByWarehouseInventory.NewItem();
			child.PartID=mPartID;
			List.Add(child);
			return child;
		}
		/// <summary>
		/// Add PartByWarehouseInventory by passing it in
		/// </summary>
		/// <param name="obj"></param>
		public void Add(PartByWarehouseInventory obj)
		{
			List.Add(obj);
		}
        /// <summary>
        /// 
        /// </summary>
        /// <returns></returns>
		protected override object OnAddNew()
		{
			PartByWarehouseInventory child=PartByWarehouseInventory.NewItem();
			List.Add(child);
			return child;
		}	


		#endregion		

		#region Contains

		/// <summary>
		/// Check if item in collection
		/// </summary>
		/// <param name="obj"></param>
		public bool Contains(PartByWarehouseInventory obj)
		{
			foreach (PartByWarehouseInventory child in List)
			{
				if(child.Equals(obj)) return true;
			}
			return false;

		}

		

		/// <summary>
		/// Check if item in deleted collection
		/// </summary>
		/// <param name="obj"></param>
		public bool ContainsDeleted(PartByWarehouseInventory obj)
		{
			foreach (PartByWarehouseInventory child in deletedList)
			{
				if(child.Equals(obj)) return true;
			}
			return false;

		}

		
		#endregion

		#region Static methods
	

		/// <summary>
		/// Get item collection
		/// </summary>
		///
		/// <returns></returns>
		public static PartByWarehouseInventories GetItems(Guid PartID)
		{
			
			PartByWarehouseInventories col = new PartByWarehouseInventories();
			col.mPartID=PartID;
			return (PartByWarehouseInventories)DataPortal.Fetch(new Criteria(PartID));
			
		}

		
		#endregion	

		#region DAL DATA ACCESS

		/// <summary>
		/// Fetch children 
		/// </summary>
		/// <param name="Criteria">PartID</param>
		protected override void DataPortal_Fetch(object Criteria)
		{
			Criteria crit = (Criteria)Criteria;			
			SafeDataReader dr = null;				
			try
			{
				dr=DBUtil.GetReaderFromSQLString("SELECT * FROM aPartByWarehouseInventory WHERE aPartID=@ID;",crit.PartID);
				while(dr.Read()) 
				{
						
					List.Add(PartByWarehouseInventory.GetItem(dr));
				}
					
					
					
			}
			finally
			{
				if(dr!=null) dr.Close();
			}			

			
			
		}

		/// <summary>
		/// Editable Root Collection Update
		/// </summary>
		protected override void DataPortal_Update()
		{
			using (IDbConnection connection = DBUtil.DB.GetConnection())
			{
				connection.Open();
				IDbTransaction tr = connection.BeginTransaction();
				try
				{

					//update (thus deleting) any deleted child objects
					foreach (PartByWarehouseInventory child in deletedList)
					{
						child.Update(tr);
					}

					//Now that they are deleted remove them from memory
					deletedList.Clear();

					foreach (PartByWarehouseInventory child in List)
					{
						child.Update(tr);

					}
			
					tr.Commit();
				}
				catch
				{
					tr.Rollback();
					throw;//WAS: throw(ex);
				}
			}
		}
		#endregion

		#region criteria
		/// <summary>
		/// Criteria for identifying existing object
		/// </summary>
		[Serializable]
			private class Criteria
		{
			public Guid PartID;
				
			public Criteria(Guid _PartID)
			{
				PartID=_PartID;
			}
			
		}
		#endregion
		
	}//end PartByWarehouseInventories

}//end namespace GZTW.AyaNova.BLL