FullCalendarUtil.java

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/*
 * Turró i Cutiller Foundation. License notice.
 * Copyright (C) 2015 Lluis Turró Cutiller <http://www.turro.org/>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
package org.turro.elephant.calendar;
 
import com.google.gson.GsonBuilder;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Date;
import java.util.HashMap;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.servlet.ServletContext;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.turro.string.Strings;
import org.turro.action.Events;
import org.turro.elephant.context.ElephantContext;
import org.turro.elephant.direct.DirectContent;
import org.turro.elephant.direct.DirectContents;
import org.turro.elephant.direct.IDirectContent;
import org.turro.plugin.calendar.ICalendarEvent;
 
@DirectContent(identifier="full-calendar")
public class FullCalendarUtil implements IDirectContent {
 
  public static String getIdentifier() {
    return FullCalendarUtil.class.getAnnotation(DirectContent.class).identifier();
  }
 
  @Override
  public boolean itsMe(String id) {
    return getIdentifier().equals(id);
  }
 
  @Override
  public boolean myTurn(HttpServletRequest request) {
    return DirectContents.isYourTurn(request, getIdentifier());
  }
 
  @Override
  public void execute(ServletContext context, HttpServletRequest request, HttpServletResponse response) {
    try {
      String pstart = request.getParameter("start"),
             pend = request.getParameter("end");
      if(!Strings.isBlank(pstart) && !Strings.isBlank(pend)) {
        Date start = Iso8601DateFormat.getDate(pstart + "T00:00:00");
        Date end = Iso8601DateFormat.getDate(pend + "T00:00:00");
        HashMap<String, String> args = new HashMap<>();
        if(!Strings.isBlank(request.getParameter("webInfo"))) {
          args.put("webInfo", request.getParameter("webInfo"));
        }
        if(!Strings.isBlank(request.getParameter("pubCats"))) {
          args.put("publicationCategories", request.getParameter("pubCats"));
        }
        if(!Strings.isBlank(request.getParameter("pubGroups"))) {
          args.put("publicationGroups", request.getParameter("pubGroups"));
        }
        if(!Strings.isBlank(request.getParameter("dosCats"))) {
          args.put("dossierCategories", request.getParameter("dosCats"));
        }
        if(!Strings.isBlank(request.getParameter("convPaths"))) {
          args.put("convocationPaths", request.getParameter("convPaths"));
        }
        if(!Strings.isBlank(request.getParameter("servTypes"))) {
          args.put("serviceTypes", request.getParameter("servTypes"));
        }
        if(!Strings.isBlank(request.getParameter("required"))) {
          args.put("required", request.getParameter("required"));
        }
        if(!Strings.isBlank(request.getParameter("target"))) {
          args.put("target", request.getParameter("target"));
        }
        response.setContentType("application/json");
        response.getWriter().write(getPublicEvents(start, end, args));
      }
    } catch (IOException ex) {
      Logger.getLogger(FullCalendarUtil.class.getName()).log(Level.SEVERE, ElephantContext.logMsg(null), ex);
    }
  }
  
  public static String getPublicEvents(Date start, Date end, HashMap<String, String> args) {
    String url = args.get("webInfo");
    ArrayList<FullCalendarEvent> fevents = new ArrayList<>();
    for(ICalendarEvent evt : Events.getPublicEvents(start, end, args)) {
      FullCalendarEvent fce = new FullCalendarEvent();
      fce.start = evt.getBeginDate();
      fce.end = evt.getEndDate();
      fce.title = evt.getTitle();
      fce.description = evt.getContent();
      fce.motive = evt.getMotive();
      fce.url = Strings.isBlank(url) ? evt.getPath() : url + "?webInfo=" + evt.getPath();
      fevents.add(fce);
    }
    return new GsonBuilder().setDateFormat("yyyy-MM-dd'T'HH:mm:ssX").create().toJson(fevents);
  }
  
}