///////////////////////////////////////////////////////////
//  PurchaseOrderReceiptItems.cs
//  Implementation of Class PurchaseOrderReceiptItems
//  CSLA type: Editable child collection 
//  Created on: 17-Nov-2004
//  Object design: Joyce & John  
//	Coded: John 17-Nov-2004
///////////////////////////////////////////////////////////

using System;
using System.Data;
using CSLA.Data;
using CSLA;
using System.Collections;

namespace GZTW.AyaNova.BLL 
{
	/// <summary>
	/// Editable child collection of <see cref="PurchaseOrderReceiptItem"/> objects
	/// </summary>
	[Serializable]
	public class PurchaseOrderReceiptItems : BusinessCollectionBase 
	{

		#region Constructor
		
		//Private constructor prevents direction instantiation
		private PurchaseOrderReceiptItems()
		{
			//Child 
			MarkAsChild();
			AllowSort=false;
			AllowFind=true;
			AllowEdit=true;
			AllowNew=true;
			AllowRemove=true;
		}

		#endregion

		#region Business properties and methods
		/// <summary>
		/// Retrieve PurchaseOrderReceiptItem by index
		/// </summary>
		/// <param name="Item">Index</param>
		public PurchaseOrderReceiptItem this[int Item]
		{
			get
			{
				return (PurchaseOrderReceiptItem) List[Item];

			}
		}
	
		/// <summary>
		/// Retrieve PurchaseOrderReceiptItem by string containing Guid value
		/// </summary>
		public PurchaseOrderReceiptItem this[string PurchaseOrderReceiptItemID]
		{
			get
			{				
				System.Guid sid = new System.Guid(PurchaseOrderReceiptItemID);		
				foreach (PurchaseOrderReceiptItem child in List)
				{
					if(child.ID==sid)	
						return child;
				}
				return null;
			}
		}

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

		/// <summary>
		/// Remove PurchaseOrderReceiptItem by string of id value
		/// </summary>
		/// <param name="PurchaseOrderReceiptItemID"></param>
		public void Remove(string PurchaseOrderReceiptItemID)
		{
			System.Guid sid = new System.Guid(PurchaseOrderReceiptItemID);		
			foreach (PurchaseOrderReceiptItem child in List)
			{
				if(child.ID==sid)	
					List.Remove(child);
			}
		}

		/// <summary>
		/// Remove by Guid value of ID
		/// </summary>
		/// <param name="PurchaseOrderReceiptItemID"></param>
		public void Remove(Guid PurchaseOrderReceiptItemID)
		{
			foreach (PurchaseOrderReceiptItem child in List)
			{
				if(child.ID==PurchaseOrderReceiptItemID)	
					List.Remove(child);
			}
		}

		/// <summary>
		/// Add a new PurchaseOrderReceiptItem to the collection
		/// </summary>
		/// <param name="obj"></param>
		public PurchaseOrderReceiptItem Add(PurchaseOrderReceipt obj)
		{
			PurchaseOrderReceiptItem child=PurchaseOrderReceiptItem.NewItem(obj);
			List.Add(child);
			return child;
		}


		/// <summary>
		/// Checks if grandchildren are dirty
		/// </summary>
		/// <returns></returns>
		public bool GrandChildIsDirty()
		{
			foreach (PurchaseOrderReceiptItem child in List)
			{
				if(child.SerialNumbers.IsDirty==true)
					return true;
			}
			return false;
		}

		/// <summary>
		/// Checks if grandchildren are valid
		/// </summary>
		/// <returns></returns>
		public bool GrandChildIsValid()
		{
			foreach (PurchaseOrderReceiptItem child in List)
			{
				if(child.SerialNumbers.IsValid==false)
					return false;
			}
			return true;
		}

		/// <summary>
		/// Remove empty received items (qty zero)
		/// </summary>
		/// <returns></returns>
		public void RemoveZeroQuantityItems()
		{
			foreach (PurchaseOrderReceiptItem child in List)
			{
				if(child.QuantityReceived<1)
					List.Remove(child);
			}			
		}

		internal ArrayList UniquePurchaseOrderGuids
		{
			get
			{
				ArrayList al=new ArrayList();
				foreach (PurchaseOrderReceiptItem child in List)
				{
					if(!al.Contains(child.PurchaseOrderID))
						al.Add(child.PurchaseOrderID);
				}
				return al;
				
			}
		}

		#endregion		

		#region Contains

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

		}

		/// <summary>
		/// Check if item in collection by string of ID value
		/// </summary>
		/// <param name="PurchaseOrderReceiptItemID"></param>
		public bool Contains(string PurchaseOrderReceiptItemID)
		{
			System.Guid sid = new System.Guid(PurchaseOrderReceiptItemID);
			foreach (PurchaseOrderReceiptItem child in List)
			{
				if(child.ID==sid) return true;
			}
			return false;

		}

		/// <summary>
		/// Check if Purchase order item in collection by ID value
		/// </summary>
		/// <param name="PurchaseOrderItemID"></param>
		public bool ContainsPurchaseOrderItem(Guid PurchaseOrderItemID)
		{
			foreach (PurchaseOrderReceiptItem child in List)
			{
				if(child.PurchaseOrderItemID==PurchaseOrderItemID) return true;
			}
			return false;

		}

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

		}

		/// <summary>
		/// Check if item in deleted collection by string of ID value
		/// </summary>
		/// <param name="PurchaseOrderReceiptItemID"></param>
		public bool ContainsDeleted(string PurchaseOrderReceiptItemID)
		{
			System.Guid sid = new System.Guid(PurchaseOrderReceiptItemID);
			foreach (PurchaseOrderReceiptItem child in deletedList)
			{
				if(child.ID==sid) return true;
			}
			return false;

		}
		#endregion

		#region Static methods
		/// <summary>
		/// NewItems
		/// </summary>
		/// <returns></returns>
		internal static PurchaseOrderReceiptItems NewItems()
		{
			return new PurchaseOrderReceiptItems();
		}

		/// <summary>
		/// GetItems
		/// </summary>
		/// <param name="dr"></param>
		/// <returns></returns>
		internal static PurchaseOrderReceiptItems GetItems(SafeDataReader dr)
		{
			PurchaseOrderReceiptItems col = new PurchaseOrderReceiptItems();
			col.Fetch(dr);
			return col;
		}
		#endregion	

		#region DAL DATA ACCESS

		/// <summary>
		/// Fetch children
		/// </summary>
		/// <param name="dr">Populated data reader</param>
		private void Fetch(SafeDataReader dr)
		{
			while(dr.Read()) 
			{
				List.Add(PurchaseOrderReceiptItem.GetItem(dr));
			}
		}

		/// <summary>
		/// Update children
		/// </summary>
		/// <param name="obj"></param>
		/// <param name="tr"></param>
		internal void Update(PurchaseOrderReceipt obj,IDbTransaction tr)
		{
			//update (thus deleting) any deleted child objects
			foreach (PurchaseOrderReceiptItem child in deletedList)
			{
				child.Update(obj,tr);
			}

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

			foreach (PurchaseOrderReceiptItem child in List)
			{
				child.Update(obj,tr);

			}
		}
		#endregion
		
		
	}//end PurchaseOrderReceiptItems

}//end namespace GZTW.AyaNova.BLL