package com.nsi.components.timesheet;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

import com.nsi.control.exceptions.GeneralFailureException;
import com.nsi.control.exceptions.NsiEventException;
import com.nsi.control.web.ModelManager;
import com.nsi.control.web.ModelUpdateListener;
import com.nsi.util.ValHelper;

/**
 * @author Chris Ye, created on Oct 6, 2008
 *
 * TimeSheetWebImpl
 */
public class TimeSheetWebImpl extends TimeSheetModel implements ModelUpdateListener
{
	private static Log log = LogFactory.getLog(TimeSheetWebImpl.class);
	/**
	 * constructor of TimeSheetWebImpl
	 * @param mm
	 */
	public TimeSheetWebImpl(ModelManager mm)
	{
		mm.addListener("com.nsi.components.timesheet.TsBackHandler", this);
	}
	public void performUpdate() throws GeneralFailureException
	{
		log.debug("performUpdate() -- invoked");
		String resourceid = getResourceid();
		String startweek = getStartweek();
		String timesheetid = getTimesheetid();
		try
		{
			TimeSheetSrc src = new TimeSheetSrc();
			if( ValHelper.getInstance().isNotNullAndEmpty(timesheetid))
			{
				if( src.isExistTimeSheetbyTSID(timesheetid))
				{
					src.load();
					copy( src.getInfo());
				}
			}
			else
			{
				if( src.isExistTimeSheetbyRSIDandWKBGN(resourceid, startweek) )
				{
					src.load();
					copy( src.getInfo());
				}
			}
		}
		catch(NsiEventException nsievex)
		{
			log.error("performUpdate() -- caught NsiEventException : ", nsievex );
			throw new GeneralFailureException( "performUpdate() -- caught NsiEventException : ", nsievex) ;
		}
		catch(GeneralFailureException gex)
		{
			log.error("performUpdate() -- caught GeneralFailureException : ", gex );
			throw gex;
		}
	}
}