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