///////////////////////////////////////////////////////////
//  NotifySubscriptionDeliveries.cs
//  Implementation of Class NotifySubscriptionDeliveries
//  CSLA type: Editable Grandchild collection 
//  Created on: 06-Oct-2005
//  Object design: John     
//	Coded: John 06-Oct-2005
///////////////////////////////////////////////////////////

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

namespace GZTW.AyaNova.BLL 
{
	/// <summary>
	/// Collection of delivery methods for a notification subscription
	/// </summary>
	[Serializable]
	public class NotifySubscriptionDeliveries : BusinessCollectionBase 
	{

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

		}

		#endregion

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

			}
		}

		/// <summary>
		/// Remove by Guid value of ID
		/// </summary>
		/// <param name="NotifySubscriptionID"></param>
		/// <param name="NotifyDeliveryMethodID"></param>
		public void Remove(Guid NotifySubscriptionID, Guid NotifyDeliveryMethodID)
		{
			foreach (NotifySubscriptionDelivery child in List)
			{
				if(child.NotifyDeliveryMethodID==NotifyDeliveryMethodID && child.NotifySubscriptionID == NotifySubscriptionID)	
					List.Remove(child);
			}
		}

		/// <summary>
		/// Add a new NotifySubscriptionDelivery to the collection
		/// </summary>
		/// <param name="NotifySubscriptionID"></param>
		/// <param name="NotifyDeliveryMethodID"></param>
		/// <returns></returns>
		public NotifySubscriptionDelivery Add(Guid NotifySubscriptionID, Guid NotifyDeliveryMethodID)
		{
			NotifySubscriptionDelivery child=NotifySubscriptionDelivery.NewItem(NotifySubscriptionID, NotifyDeliveryMethodID);
			List.Add(child);
			return child;
		}

		#endregion		

		#region Contains

		

		/// <summary>
		/// 
		/// </summary>
		/// <param name="NotifySubscriptionID"></param>
		/// <param name="NotifyDeliveryMethodID"></param>
		/// <returns></returns>
		public bool Contains(Guid NotifySubscriptionID, Guid NotifyDeliveryMethodID)
		{
			foreach (NotifySubscriptionDelivery child in List)
			{
				if(child.NotifyDeliveryMethodID==NotifyDeliveryMethodID && child.NotifySubscriptionID == NotifySubscriptionID)	 
					return true;
			}
			return false;

		}

		

		/// <summary>
		/// 
		/// </summary>
		/// <param name="NotifySubscriptionID"></param>
		/// <param name="NotifyDeliveryMethodID"></param>
		/// <returns></returns>
		public bool ContainsDeleted(Guid NotifySubscriptionID, Guid NotifyDeliveryMethodID)
		{
			foreach (NotifySubscriptionDelivery child in deletedList)
			{
				if(child.NotifyDeliveryMethodID==NotifyDeliveryMethodID && child.NotifySubscriptionID == NotifySubscriptionID)	 return true;
			}
			return false;

		}
		#endregion

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

		/// <summary>
		/// Get items - Grandchild style
		/// </summary>
		/// <param name="obj"></param>
		/// <returns></returns>
		internal static NotifySubscriptionDeliveries GetItems(NotifySubscription obj)
		{
			NotifySubscriptionDeliveries col = new NotifySubscriptionDeliveries();
			col.Fetch(obj);
			return col;
		}

		#endregion	

		#region DAL DATA ACCESS

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

		}

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

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

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

			}
		}

		#region Shared delete method
		/// <summary>
		/// Given a NotifySubscription item ID deletes all delivery items for that ID
		/// 
		/// Called by Subscription delete
		/// </summary>
		/// <param name="NotifySubscriptionID">ID of parent NotifySubscription object</param>
		/// <param name="transaction">Database transaction from ascendant item</param>
		internal static void DeleteItems(Guid NotifySubscriptionID,IDbTransaction transaction)
		{

			DBCommandWrapper cmDelete = DBUtil.GetCommandFromSQL(
			"DELETE FROM aNotifySubscriptionDelivery " +
			"WHERE aNotifySubscriptionID=@ID;");
			cmDelete.AddInParameter("@ID",DbType.Guid,NotifySubscriptionID);													
			DBUtil.DB.ExecuteNonQuery(cmDelete, transaction);


		}

		#endregion



		#endregion

	}//end NotifySubscriptionDeliveries

}//end namespace GZTW.AyaNova.BLL