/**
* OLAT - Online Learning and Training<br>
* http://www.olat.org
* <p>
* Licensed under the Apache License, Version 2.0 (the "License"); <br>
* you may not use this file except in compliance with the License.<br>
* You may obtain a copy of the License at
* <p>
* http://www.apache.org/licenses/LICENSE-2.0
* <p>
* Unless required by applicable law or agreed to in writing,<br>
* software distributed under the License is distributed on an "AS IS" BASIS,
* <br>
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. <br>
* See the License for the specific language governing permissions and <br>
* limitations under the License.
* <p>
* Copyright (c) since 2004 at Multimedia- & E-Learning Services (MELS),<br>
* University of Zurich, Switzerland.
* <p>
*/
package org.olat.course.statistic.hourofday;
import java.text.DateFormat;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.Date;
import java.util.List;
import org.olat.core.commons.persistence.DBFactory;
import org.olat.core.commons.persistence.DBQuery;
import org.olat.core.gui.UserRequest;
import org.olat.core.gui.components.table.ColumnDescriptor;
import org.olat.core.gui.components.table.DefaultColumnDescriptor;
import org.olat.core.logging.OLog;
import org.olat.core.logging.Tracing;
import org.olat.course.ICourse;
import org.olat.course.statistic.IStatisticManager;
import org.olat.course.statistic.StatisticDisplayController;
import org.olat.course.statistic.StatisticResult;
import org.olat.course.statistic.TotalAwareColumnDescriptor;
/**
* Implementation of the IStatisticManager for 'hourofday' statistic
* <P>
* Initial Date: 12.02.2010 <br>
* @author Stefan
*/
public class HourOfDayStatisticManager implements IStatisticManager {
/** the logging object used in this class **/
private static final OLog log_ = Tracing.createLoggerFor(HourOfDayStatisticManager.class);
@Override
public StatisticResult generateStatisticResult(UserRequest ureq, ICourse course, long courseRepositoryEntryKey) {
DBQuery dbQuery = DBFactory.getInstance().createQuery("select businessPath,hour,value from org.olat.course.statistic.hourofday.HourOfDayStat sv "
+ "where sv.resId=:resId");
dbQuery.setLong("resId", courseRepositoryEntryKey);
StatisticResult statisticResult = new StatisticResult(course, dbQuery.list());
List<String> columnHeaders = statisticResult.getColumnHeaders();
if (columnHeaders!=null && columnHeaders.size()>1) {
try{
int start = Integer.parseInt(columnHeaders.get(0));
int end = Integer.parseInt(columnHeaders.get(columnHeaders.size()-1));
List<String> resultingColumnHeaders = new ArrayList<String>((end-start)+1);
for(int hour=start; hour<=end; hour++) {
resultingColumnHeaders.add(String.valueOf(hour));
}
statisticResult.setColumnHeaders(resultingColumnHeaders);
} catch(NumberFormatException nfe) {
log_.warn("generateStatisticResult: Got a NumberFormatException: "+nfe, nfe);
}
}
return statisticResult;
}
@Override
public ColumnDescriptor createColumnDescriptor(UserRequest ureq, int column, String headerId) {
if (column==0) {
return new DefaultColumnDescriptor("stat.table.header.node", 0, null, ureq.getLocale());
}
String hourOfDayLocaled = headerId;
try{
Calendar c = Calendar.getInstance(ureq.getLocale());
c.setTime(new Date());
c.set(Calendar.HOUR_OF_DAY, Integer.parseInt(headerId));
c.set(Calendar.MINUTE, 0);
DateFormat df = DateFormat.getTimeInstance(DateFormat.SHORT, ureq.getLocale());
hourOfDayLocaled = df.format(c.getTime());
} catch(RuntimeException re) {
re.printStackTrace(System.out);
}
TotalAwareColumnDescriptor cd = new TotalAwareColumnDescriptor(hourOfDayLocaled, column,
StatisticDisplayController.CLICK_TOTAL_ACTION+column, ureq.getLocale(), ColumnDescriptor.ALIGNMENT_RIGHT);
cd.setTranslateHeaderKey(false);
return cd;
}
@Override
public StatisticResult generateStatisticResult(UserRequest ureq, ICourse course, long courseRepositoryEntryKey, Date fromDate, Date toDate) {
return generateStatisticResult(ureq, course, courseRepositoryEntryKey);
}
}