///////////////////////////////////////////////////////////
//  WorkorderItemTravels.cs
//  Implementation of Class WorkorderItemTravels
//  CSLA type: Editable Grandchild collection 
//  Created on: 07-Jun-2004 8:41:51 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="WorkorderItemTravel"/> objects residing in parent <see cref="WorkorderItem"/> object
	/// </summary>
	[Serializable]
	public class WorkorderItemTravels : BusinessCollectionBase {

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

		}

		#endregion

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

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

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


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

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

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

		/// <summary>
		/// Add a new WorkorderItemTravel to the collection
		/// </summary>
		/// <param name="obj"></param>
		public WorkorderItemTravel Add(WorkorderItem obj)
		{
			WorkorderItemTravel child=WorkorderItemTravel.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 (WorkorderItemTravel child in List)
			{
				if(RO==false)
					RO=AyaBizUtils.Right("Object.WorkorderItemTravel")<(int)SecurityLevelTypes.ReadWrite;

				child.SetReadOnly(RO);
			}
		}

		#endregion		

		#region Contains

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

		}
		#endregion

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

		/// <summary>
		/// Get items - Grandchild style
		/// </summary>
		/// <param name="obj"></param>
		/// <returns></returns>
		internal static WorkorderItemTravels GetItems(WorkorderItem obj)
		{
			WorkorderItemTravels col = new WorkorderItemTravels();
            //case 1317
            if (AyaBizUtils.Right(RootObjectTypes.WorkorderItemTravel) > (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 aWorkorderItemTravel " +
					"WHERE aWorkorderItemID=@ID",obj.ID);			
					while(dr.Read()) 
					{
                        List.Add(WorkorderItemTravel.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 (WorkorderItemTravel child in deletedList)
			{
				child.Update(obj,tr);
			}

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

			foreach (WorkorderItemTravel 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)
		{			
			//Delete all items indexed keywords for this workorderitemID
			SafeDataReader dr = null;
            System.Collections.ArrayList alSBID = new System.Collections.ArrayList();
			System.Collections.ArrayList al = new System.Collections.ArrayList();
			try
			{
                dr = DBUtil.GetReaderFromSQLString("SELECT aID, aServiceBankID " +
					"FROM aWorkorderItemTravel " +
					"WHERE aWorkorderItemID=@ID",WorkorderItemID,transaction);			
				while(dr.Read()) 
				{

                    //Make a reversing entry in the service bank
                    //if necessary
                    if (dr.GetGuid("aServiceBankID") != Guid.Empty)
                        alSBID.Add(dr.GetGuid("aServiceBankID"));

					al.Add(dr.GetGuid("aID"));
					
				}
				dr.Close();

                //Make a reversing entry in the service bank
                //if necessary
                foreach (object o in alSBID)
                    ServiceBank.ReverseItem((Guid)o, transaction);

				foreach(object o in al)
					DBUtil.RemoveKeywords(transaction,RootObjectTypes.WorkorderItemTravel,(Guid)o);
			}
			finally
			{
				if(dr!=null) dr.Close();
			}			


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

		}

		#endregion
		#endregion

		
	}//end WorkorderItemTravels

}//end namespace GZTW.AyaNova.BLL