///////////////////////////////////////////////////////////
//  WorkorderItemParts.cs
//  Implementation of Class WorkorderItemParts
//  CSLA type: Editable Grandchild collection 
//  Created on: 07-Jun-2004 8:41:49 AM
//  Object design: Joyce  
//	Coded: John 28-July-2004
///////////////////////////////////////////////////////////

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

namespace GZTW.AyaNova.BLL 
{
	/// <summary>
    /// Editable Grandchild collection of <see cref="WorkorderItemPart"/> objects residing in parent <see cref="WorkorderItem"/> object
	/// </summary>
	[Serializable]
	public class WorkorderItemParts : BusinessCollectionBase {
		//Type of workorder
		//used to flag whether to track serial numbers 
		//etc
		//internal WorkorderTypes mWorkorderType;
		#region Constructor
		
		//Private constructor prevents direction instantiation
		private WorkorderItemParts()
		{
			//Child 
			MarkAsChild();
			AllowSort=false;
			AllowFind=true;
			AllowEdit=true;
			AllowNew=true;
			AllowRemove=true;

		}

		#endregion

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

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

		/// <summary>
		/// Retrieve WorkorderItemPart by Guid value
		/// </summary>
		public WorkorderItemPart this[Guid WorkorderItemPartID]
		{
			get
			{					
				foreach (WorkorderItemPart child in List)
				{
					if(child.ID==WorkorderItemPartID)	
						return child;
				}
				return null;
			}
		}

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

		/// <summary>
		/// Remove WorkorderItemPart by string of id value
		/// </summary>
		/// <param name="WorkorderItemPartID"></param>
		public void Remove(string WorkorderItemPartID)
		{
			System.Guid sid = new System.Guid(WorkorderItemPartID);
            Remove(sid);
		}

		/// <summary>
		/// Remove by Guid value of ID
		/// </summary>
		/// <param name="WorkorderItemPartID"></param>
		public void Remove(Guid WorkorderItemPartID)
		{
            WorkorderItemPart delete = null;
			foreach (WorkorderItemPart child in List)
			{
                if (child.ID == WorkorderItemPartID)
                {
                    delete = child;
                    break;
                }
			}
            if (delete != null)
                Remove(delete);
		}

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

		/// <summary>
		/// Sets all items to read / write status
		/// used by workorder object when it's closed or service completed is true
		/// </summary>
		/// <param name="RO">true=Set to read only explicitly, false=set to whatever rights allowed</param>
		public void SetReadOnly(bool RO)
		{
			foreach (WorkorderItemPart child in List)
			{
				if(RO==false)
					RO=AyaBizUtils.Right("Object.WorkorderItemPart")<(int)SecurityLevelTypes.ReadWrite;

				child.SetReadOnly(RO);
			}
		}

		#endregion		

		#region Contains

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

		}

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

		}
		#endregion

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

		/// <summary>
		/// Get items - Grandchild style
		/// </summary>
		/// <param name="obj"></param>
		/// <returns></returns>
		internal static WorkorderItemParts GetItems(WorkorderItem obj)
		{
			WorkorderItemParts col = new WorkorderItemParts();
            //case 1317
            if (AyaBizUtils.Right(RootObjectTypes.WorkorderItemPart) > (int)SecurityLevelTypes.NoAccess)
                col.Fetch(obj);
			return col;
		}

		#endregion	

		#region DAL DATA ACCESS

		/// <summary>
		/// Fetch children - grandchild style
		/// </summary>
		/// <param name="obj"></param>
		private void Fetch(WorkorderItem obj)
		{
			//Load data Grandchild style
			SafeDataReader dr = null;	
			try
			{			
				dr=DBUtil.GetReaderFromSQLString("SELECT * " +
					"FROM aWorkorderItemPart " +
					"WHERE aWorkorderItemID=@ID",obj.ID);			
				while(dr.Read()) 
				{
                    List.Add(WorkorderItemPart.GetItem(dr, obj.mWorkorderType, obj));
				}
			}
			finally
			{
				if(dr!=null) dr.Close();
			}				

				

		}

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

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

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

			}
		}



		#region Shared delete method
		internal struct pinfo
		{
			public Guid id;
			public bool hasaffected;
		}
		/// <summary>
		/// Given a workorder item ID deletes all items for that ID
		/// 
		/// Called by workorderitems delete
		/// </summary>
		/// <param name="WorkorderItemID">ID of parent workorder item</param>
		/// <param name="transaction">Database transaction from ascendant item</param>
		internal static void DeleteItems(Guid WorkorderItemID,IDbTransaction transaction)
		{


			//This one is more tricky, here we need to iterate through all the matching part records
			//and call the workorderitempart static delete method to ensure inventory get's updated properly
			
			SafeDataReader dr = null;
			System.Collections.ArrayList al = new System.Collections.ArrayList();
			try
			{		
				

				dr=DBUtil.GetReaderFromSQLString("SELECT aID, aHasAffectedInventory " +
					"FROM aWorkorderItemPart " +
					"WHERE aWorkorderItemID=@ID",WorkorderItemID,transaction);			
				while(dr.Read()) 
				{
					pinfo pp=new pinfo();
					pp.id=dr.GetGuid("aID");
					pp.hasaffected=dr.GetBoolean("aHasAffectedInventory");
					al.Add(pp);
					
				}
				dr.Close();
				foreach(object o in al)
					WorkorderItemPart.DeleteItem(((pinfo)o).id,((pinfo)o).hasaffected,transaction);
			}
			finally
			{
				if(dr!=null) dr.Close();
			}				


		}

		#endregion

		#endregion
	
	}//end WorkorderItemParts

}//end namespace GZTW.AyaNova.BLL