/*
* 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.HashMap;
import java.util.List;
import java.util.Map;
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.json.simple.JSONArray;
import org.json.simple.JSONObject;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.servlet.ModelAndView;
/**
* @author jasonacooper@google.com (Jason Cooper)
*/
@Controller
public class ChapterController{
@Autowired
private ChapterManager chapterManager;
@Autowired
private EventManager eventManager;
@RequestMapping("/chapter")
public ModelAndView getChapter(@RequestParam("id")String id) throws ServletException, IOException {
Chapter chapter = retrieveChapter(id);
if (chapter == null) {
String errorText = "Failed to retrieve chapter with ID \"" + id +
"\" -- chapter not found.";
return new ModelAndView("error", "errorText", errorText);
}
chapter.setNumEvents(0);
List<Event> pastEvents = eventManager.getPastEvents(chapter.getId());
if (pastEvents != null) {
chapter.setNumEvents(pastEvents.size());
int totalAttendees = 0;
int totalEvents = 0;
for (Event event : pastEvents) {
if (event.getAttendeeCount() != null) {
totalAttendees += event.getAttendeeCount();
totalEvents++;
}
}
if (totalEvents > 0) {
chapter.setAverageAttendees(totalAttendees/totalEvents);
}
}
Map<String, Object> model = new HashMap<String, Object>();
model.put("chapter", chapter);
model.put("events", eventManager.getEventsForChapter(chapter.getId(), true));
model.put("pastevents", pastEvents);
return new ModelAndView("chapter", "model", model);
}
@RequestMapping("/chapters")
public ModelAndView getChapterList() throws ServletException {
List<Chapter> chapters = chapterManager.getActiveChapters();
JSONArray list = null;
if (chapters != null) {
list = new JSONArray();
for (Chapter chapter : chapters) {
JSONObject map = new JSONObject();
map.put("id", chapter.getId());
map.put("name", chapter.getName());
map.put("latitude", chapter.getLatitude());
map.put("longitude", chapter.getLongitude());
map.put("url", "http://www.gtugs.org/chapter.jsp?id=" +
chapter.getId());
map.put("website", chapter.getWebsite());
map.put("status", chapter.getStatus());
list.add(map);
}
}
return new ModelAndView(new JsonView(), "chapters", list);
}
private Chapter retrieveChapter(String idString) {
Long id = null;
try {
id = Long.parseLong(idString);
} catch (NumberFormatException ex) {
return null;
}
return retrieveChapter(id);
}
private Chapter retrieveChapter(Long id) {
return chapterManager.getChapter(id);
}
}