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/*
* Copyright 2011 gitblit.com.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.gitblit.wicket.pages;
import java.text.MessageFormat;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.Collections;
import java.util.Comparator;
import java.util.Date;
import java.util.List;
import org.apache.wicket.PageParameters;
import org.apache.wicket.behavior.HeaderContributor;
import org.apache.wicket.markup.html.basic.Label;
import org.eclipse.jgit.lib.Repository;
import com.gitblit.models.Metric;
import com.gitblit.utils.MetricUtils;
import com.gitblit.utils.StringUtils;
import com.gitblit.wicket.CacheControl;
import com.gitblit.wicket.CacheControl.LastModified;
import com.gitblit.wicket.WicketUtils;
import com.gitblit.wicket.charting.Chart;
import com.gitblit.wicket.charting.Charts;
import com.gitblit.wicket.charting.Flotr2Charts;
@CacheControl(LastModified.REPOSITORY)
public class MetricsPage extends RepositoryPage {
public MetricsPage(PageParameters params) {
super(params);
Repository r = getRepository();
if (StringUtils.isEmpty(objectId)) {
add(new Label("branchTitle", getRepositoryModel().HEAD));
} else {
add(new Label("branchTitle", objectId));
}
Metric metricsTotal = null;
List<Metric> metrics = MetricUtils.getDateMetrics(r, objectId, true, null, getTimeZone());
metricsTotal = metrics.remove(0);
if (metricsTotal == null) {
add(new Label("branchStats", ""));
} else {
add(new Label("branchStats",
MessageFormat.format(getString("gb.branchStats"), metricsTotal.count,
metricsTotal.tag, getTimeUtils().duration(metricsTotal.duration))));
}
Charts charts = new Flotr2Charts();
add(WicketUtils.newBlankImage("commitsChart"));
add(WicketUtils.newBlankImage("dayOfWeekChart"));
add(WicketUtils.newBlankImage("authorsChart"));
createLineChart(charts, "commitsChart", metrics);
createBarChart(charts, "dayOfWeekChart", getDayOfWeekMetrics(r, objectId));
createPieChart(charts, "authorsChart", getAuthorMetrics(r, objectId));
add(new HeaderContributor(charts));
}
private void createLineChart(Charts charts, String id, List<Metric> metrics) {
if ((metrics != null) && (metrics.size() > 0)) {
Chart chart = charts.createLineChart(id, "", "day",
getString("gb.commits"));
SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd");
String displayFormat = "MMM dd";
if(metrics.size() > 0 && metrics.get(0).name.length() == 7){
df = new SimpleDateFormat("yyyy-MM");
displayFormat = "yyyy MMM";
}
df.setTimeZone(getTimeZone());
chart.setDateFormat(displayFormat);
for (Metric metric : metrics) {
Date date;
try {
date = df.parse(metric.name);
} catch (ParseException e) {
logger().error("Unable to parse date: " + metric.name);
return;
}
chart.addValue(date, (int)metric.count);
if(metric.tag > 0 ){
chart.addHighlight(date, (int)metric.count);
}
}
charts.addChart(chart);
}
}
private void createPieChart(Charts charts, String id, List<Metric> metrics) {
if ((metrics != null) && (metrics.size() > 0)) {
Chart chart = charts.createPieChart(id, "", "day",
getString("gb.commits"));
for (Metric metric : metrics) {
chart.addValue(metric.name, (int)metric.count);
}
charts.addChart(chart);
}
}
private void createBarChart(Charts charts, String id, List<Metric> metrics) {
if ((metrics != null) && (metrics.size() > 0)) {
Chart chart = charts.createBarChart(id, "", "day",
getString("gb.commits"));
for (Metric metric : metrics) {
chart.addValue(metric.name, (int)metric.count);
}
charts.addChart(chart);
}
}
private List<Metric> getDayOfWeekMetrics(Repository repository, String objectId) {
List<Metric> list = MetricUtils.getDateMetrics(repository, objectId, false, "E", getTimeZone());
SimpleDateFormat sdf = new SimpleDateFormat("E");
Calendar cal = Calendar.getInstance();
List<Metric> sorted = new ArrayList<Metric>();
int firstDayOfWeek = cal.getFirstDayOfWeek();
int dayOfWeek = cal.get(Calendar.DAY_OF_WEEK);
// rewind date to first day of week
cal.add(Calendar.DATE, firstDayOfWeek - dayOfWeek);
for (int i = 0; i < 7; i++) {
String day = sdf.format(cal.getTime());
for (Metric metric : list) {
if (metric.name.equals(day)) {
sorted.add(metric);
list.remove(metric);
break;
}
}
cal.add(Calendar.DATE, 1);
}
return sorted;
}
private List<Metric> getAuthorMetrics(Repository repository, String objectId) {
List<Metric> authors = MetricUtils.getAuthorMetrics(repository, objectId, true);
Collections.sort(authors, new Comparator<Metric>() {
@Override
public int compare(Metric o1, Metric o2) {
if (o1.count > o2.count) {
return -1;
} else if (o1.count < o2.count) {
return 1;
}
return 0;
}
});
if (authors.size() > 10) {
return authors.subList(0, 9);
}
return authors;
}
@Override
protected String getPageName() {
return getString("gb.metrics");
}
@Override
protected boolean isCommitPage() {
return true;
}
@Override
protected Class<? extends BasePage> getRepoNavPageClass() {
return SummaryPage.class;
}
}
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