///////////////////////////////////////////////////////////
//  WorkorderItemPartRequests.cs
//  Implementation of Class WorkorderItemPartRequests
//  CSLA type: Editable Grandchild collection 
//  Created on: 21-Feb-2005
//  Object design: John  
//	Coded: John 21-Feb-2005
///////////////////////////////////////////////////////////

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

namespace GZTW.AyaNova.BLL 
{
	/// <summary>
    /// Editable Grandchild collection of <see cref="WorkorderItemPartRequest"/> objects residing in parent <see cref="WorkorderItem"/> object
	/// </summary>
	[Serializable]
	public class WorkorderItemPartRequests : BusinessCollectionBase 
	{

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

		}

		#endregion

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

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

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

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

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

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

		/// <summary>
		/// Add a new WorkorderItemPartRequest to the collection
		/// </summary>
		/// <param name="obj"></param>
		public WorkorderItemPartRequest Add(WorkorderItem obj)
		{
			WorkorderItemPartRequest child=WorkorderItemPartRequest.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 (WorkorderItemPartRequest 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(WorkorderItemPartRequest obj)
		{
			foreach (WorkorderItemPartRequest 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="WorkorderItemPartRequestID"></param>
		public bool Contains(string WorkorderItemPartRequestID)
		{
			System.Guid sid = new System.Guid(WorkorderItemPartRequestID);
			foreach (WorkorderItemPartRequest 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(WorkorderItemPartRequest obj)
		{
			foreach (WorkorderItemPartRequest 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="WorkorderItemPartRequestID"></param>
		public bool ContainsDeleted(string WorkorderItemPartRequestID)
		{
			System.Guid sid = new System.Guid(WorkorderItemPartRequestID);
			foreach (WorkorderItemPartRequest child in deletedList)
			{
				if(child.ID==sid) return true;
			}
			return false;

		}
		#endregion

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

		/// <summary>
		/// Get items - Grandchild style
		/// </summary>
		/// <param name="obj"></param>
		/// <returns></returns>
		internal static WorkorderItemPartRequests GetItems(WorkorderItem obj)
		{
			WorkorderItemPartRequests col = new WorkorderItemPartRequests();
            //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 aPurchaseOrder.aPONumber, aPurchaseOrder.aOrderedDate, " +
					"aPurchaseOrder.aExpectedReceiveDate, aPurchaseOrder.AID AS APURCHASEORDERID, " + //CASE 227
					" aWorkorderItemPartRequest.* " +
					"FROM " +
					" AWORKORDERITEMPARTREQUEST " +
					" LEFT OUTER JOIN APURCHASEORDERITEM ON (AWORKORDERITEMPARTREQUEST.APURCHASEORDERITEMID=APURCHASEORDERITEM.AID) " +
					" LEFT OUTER JOIN APURCHASEORDER ON (APURCHASEORDERITEM.APURCHASEORDERID=APURCHASEORDER.AID) " +
					"WHERE (aWorkorderItemPartRequest.aWorkorderItemID = @ID)",obj.ID);
									
				while(dr.Read()) 
				{
                    List.Add(WorkorderItemPartRequest.GetItem(dr, 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 (WorkorderItemPartRequest child in deletedList)
			{
				child.Update(obj,tr);
			}

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

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

			}
		}

		#region Shared delete method
		/// <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)
		{
			//make sure that all items are deleteable before allowing this to happen
			//A workorderitempartrequest with parts on order is *not* deleteable
			//until those parts are received
			SafeDataReader dr = null;	
			try
			{			
				dr=DBUtil.GetReaderFromSQLString("SELECT aQuantity, aReceived, " +
					"aPurchaseOrderItemID " +
					"FROM aWorkorderItemPartRequest " +
					"WHERE aWorkorderItemID=@ID",WorkorderItemID,transaction);			
				while(dr.Read()) 
				{
					
					if(dr.GetGuid("aPurchaseOrderItemID")!=Guid.Empty &&
 					   dr.GetDecimal("aReceived") < dr.GetDecimal("aQuantity"))
						throw new System.ApplicationException
							(LocalizedTextTable.GetLocalizedTextDirect("WorkorderItemPartRequest.Error.NotDeleteableOnOrder"));
				}
			}
			finally
			{
				if(dr!=null) dr.Close();
			}			



			DBCommandWrapper cmDelete = DBUtil.GetCommandFromSQL("DELETE FROM aWorkorderItemPartRequest WHERE aWorkorderItemID=@ID;");
			cmDelete.AddInParameter("@ID",DbType.Guid,WorkorderItemID);													
			DBUtil.DB.ExecuteNonQuery(cmDelete, transaction);

		}

		#endregion

		#endregion
	
	}//end WorkorderItemPartRequests

}//end namespace GZTW.AyaNova.BLL