/////////////////////////////////////////////////////////////////////////////
//
// Project ProjectForge Community Edition
// www.projectforge.org
//
// Copyright (C) 2001-2014 Kai Reinhard (k.reinhard@micromata.de)
//
// ProjectForge is dual-licensed.
//
// This community edition is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License as published
// by the Free Software Foundation; version 3 of the License.
//
// This community edition is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
// Public License for more details.
//
// You should have received a copy of the GNU General Public License along
// with this program; if not, see http://www.gnu.org/licenses/.
//
/////////////////////////////////////////////////////////////////////////////
package org.projectforge.timesheet;
import java.util.Calendar;
import java.util.Collection;
import java.util.Date;
import org.projectforge.common.DateHolder;
/**
* Provides some helper methods.
* @author Kai Reinhard (k.reinhard@micromata.de)
*
*/
public class TimesheetUtils
{
/**
* Analyzes the given time-sheets. The time-sheets will be filtered (by given day and given user).
* @param timesheets
* @param day
* @param userId
* @return
*/
public static TimesheetStats getStats(final Collection<TimesheetDO> timesheets, final Date day, final Integer userId)
{
final DateHolder dh = new DateHolder(day).setBeginOfDay();
final Date startDate = dh.getDate();
final Date stopDate = dh.add(Calendar.DAY_OF_MONTH, 1).getDate();
return getStats(timesheets, startDate, stopDate, userId);
}
/**
* Analyzes the given time-sheets. The time-sheets will be filtered (by given time period and given user).
* @param timesheets
* @param from
* @param to
* @param userId
* @return
*/
public static TimesheetStats getStats(final Collection<TimesheetDO> timesheets, final Date from, final Date to, final Integer userId)
{
if (timesheets == null || timesheets.size() == 0) {
return null;
}
final TimesheetStats stats = new TimesheetStats(from, to);
for (final TimesheetDO timesheet : timesheets) {
if (userId != timesheet.getUserId()) {
continue;
}
stats.add(timesheet);
}
return stats;
}
}