///////////////////////////////////////////////////////////
//  IntegrationLog.cs
//  Implementation of Class IntegrationLog
//  CSLA type: Editable Root 
//  Created on: 09-Feb-2006
//  Object design: John 
//	Coded: John 09-Feb-2006
///////////////////////////////////////////////////////////

using System;
using System.Data;
using CSLA.Data;
using GZTW.Data;
using CSLA;
using System.Threading;
using CSLA.Security;

namespace GZTW.AyaNova.BLL 
{
	/// <summary>
	/// AyaNova IntegrationLog used to insert integration events in the database.
	/// 
	/// Automatically removes all log entries more than 45 days old
	/// 
	/// </summary>
	[Serializable]
	public class IntegrationLog : BusinessBase 
	{
		

		#region Attributes 

		private Guid _IntegrationID;
		private string _Message;
		

		#endregion

		#region Constructor	

		/// <summary>
		/// Private constructor to prevent direct instantiation
		/// </summary>
		private IntegrationLog(Guid IntegrationID, string Message)
		{
			
			_IntegrationID=IntegrationID;
			
			
			if(Message.Length>500)
				_Message=Message.Substring(0,500);
			else
				_Message=Message;

		
		}
		#endregion		

		#region Static methods

		/// <summary>
		/// Used to log an entry visible to Administrative users 
		/// regarding an integration event of interest
		/// 
		/// Use this object with your integration application if you wish
		/// to log events that are visible to the users within AyaNova itself.
		/// 
		/// This is the preferred way of logging an integration application, at a minimum
		/// any errors should be logged here so that end users who can't get your application
		/// to work will get a meaningful message here about it.
		/// 
		/// The integration object will log various events here automatically as it is
		/// accessed, but that is no substitute for logging from the integrating application
		/// itself.
		/// </summary>
		/// <param name="IntegrationID">Guid of integration application</param>
		/// <param name="Message">500 Unicode character maximum (will truncate).
		/// Date and time of the event is logged automatically so no need to include that
		/// information in the message.</param>
		public static void Log(Guid IntegrationID, string Message)
		{
			DataPortal.Update(new IntegrationLog( 
				IntegrationID, Message
				));

		}
	
	

		#endregion

		#region DAL DATA ACCESS
		
		/// <summary>
		/// Called by DataPortal to delete/add/update data into the database
		/// </summary>
		protected override void DataPortal_Update()
		{

			//Remove any entries older than 45 days
			DBCommandWrapper cmTrim = DBUtil.GetCommandFromSQL(
				"DELETE FROM aIntegrationLog " +
				"WHERE (aCreated < @FORTYFIVE)"
				);
            cmTrim.AddInParameter("@FORTYFIVE", DbType.DateTime, DBUtil.ToUTC(DBUtil.CurrentWorkingDateTime.AddDays(-45)));
			
			DBUtil.DB.ExecuteNonQuery(cmTrim);		
			


			//Insert log entry
			DBCommandWrapper cm = DBUtil.GetCommandFromSQL(
				"INSERT INTO aIntegrationLog (aIntegrationID, aCreated, aCreator, aMessage ) " +
				"VALUES (@IntegrationID,@Created, @Creator, @Message )"
				);
			cm.AddInParameter("@IntegrationID",DbType.Guid,this._IntegrationID);
			cm.AddInParameter("@Creator",DbType.Guid,User.CurrentThreadUserID);
            cm.AddInParameter("@Created", DbType.DateTime, DBUtil.ToUTC(DBUtil.CurrentWorkingDateTime));
			cm.AddInParameter("@Message",DbType.String,this._Message);
			DBUtil.DB.ExecuteNonQuery(cm);
			


		}
		
		#endregion	

		

		
		
	}//end IntegrationLog

	

}//end namespace GZTW.AyaNova.BLL