/*
* Copyright 2009 Google Inc.
*
* 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 org.gtugs.web;
import java.io.IOException;
import java.util.Calendar;
import java.util.Comparator;
import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.TreeMap;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.gtugs.domain.Chapter;
import org.gtugs.domain.Event;
import org.gtugs.service.ChapterManager;
import org.gtugs.service.EventManager;
import org.gtugs.service.security.AppEngineUserService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.servlet.ModelAndView;
/**
* @author jasonacooper@google.com (Jason Cooper)
*/
@Controller
public class ReportController {
@Autowired
private ChapterManager chapterManager;
@Autowired
private EventManager eventManager;
@RequestMapping("/admin/report.jsp")
public ModelAndView handleRequest() throws ServletException, IOException {
Map<String, Object> model = new HashMap<String, Object>();
AppEngineUserService userService = new AppEngineUserService();
model.put("userService", userService);
List<Chapter> allChapters = chapterManager.getChapters();
List<Event> allEvents = eventManager.getEvents();
final HashMap<Long, Integer> eventsGroupedByChapterId = new HashMap<Long, Integer>();
final HashMap<Long, Integer> allEventsGroupedByChapterId = new HashMap<Long, Integer>();
Calendar cal = Calendar.getInstance();
cal.add(Calendar.MONTH, -3);
List<Event> events = eventManager.getEvents(cal.getTime(), new Date());
for (Event event : events) {
long chapterId = event.getChapterId();
if (eventsGroupedByChapterId.containsKey(chapterId)) {
int eventCount = eventsGroupedByChapterId.get(chapterId);
eventsGroupedByChapterId.put(chapterId, eventCount + 1);
} else {
eventsGroupedByChapterId.put(chapterId, 1);
}
}
for (Event event : allEvents) {
long chapterId = event.getChapterId();
if (allEventsGroupedByChapterId.containsKey(chapterId)) {
int eventCount = allEventsGroupedByChapterId.get(chapterId);
allEventsGroupedByChapterId.put(chapterId, eventCount + 1);
} else {
allEventsGroupedByChapterId.put(chapterId, 1);
}
}
HashMap<Long, Chapter> chapterResults = new HashMap<Long, Chapter>();
for (Chapter chapter : allChapters) {
if (eventsGroupedByChapterId.containsKey(chapter.getId())) {
chapter.setNumEvents(eventsGroupedByChapterId.get(chapter
.getId()));
} else {
chapter.setNumEvents(0);
}
if (allEventsGroupedByChapterId.containsKey(chapter.getId())) {
chapter.setNumEventsTotal(allEventsGroupedByChapterId
.get(chapter.getId()));
} else {
chapter.setNumEventsTotal(0);
}
chapterResults.put(chapter.getId(), chapter);
}
model.put("chapterEventsCounts", sortByValues(chapterResults));
return new ModelAndView("report", "model", model);
}
// From Anthony at
// http://stackoverflow.com/questions/109383/how-to-sort-a-mapkey-value-on-the-values-in-java
private static <K, V extends Comparable<V>> Map<K, V> sortByValues(
final Map<K, V> map) {
Comparator<K> valueComparator = new Comparator<K>() {
public int compare(K k1, K k2) {
int result = map.get(k2).compareTo(map.get(k1));
if (result == 0) {
return 1;
} else {
return result;
}
}
};
Map<K, V> sortedByValues = new TreeMap<K, V>(valueComparator);
sortedByValues.putAll(map);
return sortedByValues;
}
public void setChapterManager(ChapterManager chapterManager) {
this.chapterManager = chapterManager;
}
public void setEventManager(EventManager eventManager) {
this.eventManager = eventManager;
}
}