/**
* This file is part of Jahia, next-generation open source CMS:
* Jahia's next-generation, open source CMS stems from a widely acknowledged vision
* of enterprise application convergence - web, search, document, social and portal -
* unified by the simplicity of web content management.
*
* For more information, please visit http://www.jahia.com.
*
* Copyright (C) 2002-2012 Jahia Solutions Group SA. All rights reserved.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* As a special exception to the terms and conditions of version 2.0 of
* the GPL (or any later version), you may redistribute this Program in connection
* with Free/Libre and Open Source Software ("FLOSS") applications as described
* in Jahia's FLOSS exception. You should have received a copy of the text
* describing the FLOSS exception, and it is also available here:
* http://www.jahia.com/license
*
* Commercial and Supported Versions of the program (dual licensing):
* alternatively, commercial and supported versions of the program may be used
* in accordance with the terms and conditions contained in a separate
* written agreement between you and Jahia Solutions Group SA.
*
* If you are unsure which license is appropriate for your use,
* please contact the sales department at sales@jahia.com.
*/
package org.jahia.modules.poll;
import org.jahia.bin.Action;
import org.jahia.services.content.JCRSessionWrapper;
import org.slf4j.Logger;
import org.jahia.services.content.JCRNodeWrapper;
import org.jahia.bin.ActionResult;
import org.jahia.services.render.RenderContext;
import org.jahia.services.render.Resource;
import org.jahia.services.render.URLResolver;
import org.json.JSONObject;
import javax.jcr.NodeIterator;
import javax.jcr.version.VersionManager;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Map;
import java.util.List;
/**
* User: fabrice
* Date: Apr 15, 2010
* Time: 10:30:20 AM
*/
public class VoteAction extends Action {
private transient static Logger logger = org.slf4j.LoggerFactory.getLogger(VoteAction.class);
// Vote action
public ActionResult doExecute(HttpServletRequest req, RenderContext renderContext, Resource resource,
JCRSessionWrapper session, Map<String, List<String>> parameters, URLResolver urlResolver) throws Exception {
String answerUUID = req.getParameter("answerUUID");
// Poll Node management
// Get the pollNode
JCRNodeWrapper pollNode = session.getNodeByUUID(renderContext.getMainResource().getNode().getIdentifier());
// Get a version manager
VersionManager versionManager = pollNode.getSession().getWorkspace().getVersionManager();
// Check out poll node
if(!versionManager.isCheckedOut(pollNode.getPath()))
versionManager.checkout(pollNode.getPath());
// Update total of votes (poll node)
long totalOfVotes = pollNode.getProperty("totalOfVotes").getLong();
pollNode.setProperty("totalOfVotes", totalOfVotes+1);
// Answer node management
// Get the answer node
JCRNodeWrapper answerNode = pollNode.getSession().getNodeByUUID(answerUUID);
// Check out answerNode
if(!versionManager.isCheckedOut(answerNode.getPath()))
versionManager.checkout(answerNode.getPath());
// Increment nb votes
long nbOfVotes = answerNode.getProperty("nbOfVotes").getLong();
answerNode.setProperty("nbOfVotes", nbOfVotes+1);
// Save
pollNode.getSession().save();
// Check in
versionManager.checkin(pollNode.getPath());
// Check in poll node
versionManager.checkin(answerNode.getPath());
return new ActionResult(HttpServletResponse.SC_OK, null, generateJSONObject(pollNode));
}
public static JSONObject generateJSONObject(JCRNodeWrapper pollNode) throws Exception {
NodeIterator answerNodes = pollNode.getNode("answers").getNodes();
Map<String, Object> props = new HashMap<String, Object>();
ArrayList<Map<String, Object>> answersContainer = new ArrayList<Map<String, Object>>();
long totalVote = pollNode.getProperty("totalOfVotes").getLong();
// Poll name + total votes
props.put("totalOfVotes", totalVote);
props.put("question", pollNode.getProperty("question").getString());
// Each answer name + total vote
while (answerNodes.hasNext()) {
Map<String, Object> answerProperties = new HashMap<String, Object>();
javax.jcr.Node answer = answerNodes.nextNode();
long answerVotes = answer.getProperty("nbOfVotes").getLong();
answerProperties.put("label", answer.getProperty("label").getString());
answerProperties.put("nbOfVotes", answerVotes);
answerProperties.put("percentage", (totalVote == 0 || answerVotes == 0)?0:(answerVotes/totalVote)*100);
answersContainer.add(answerProperties);
}
props.put("answerNodes", answersContainer.toArray());
return new JSONObject(props);
}
}