source: extensions/jiwigo/trunk/src/main/java/fr/mael/jiwigo/dao/CommentDao.java @ 6821

package fr.mael.jiwigo.dao;

import java.io.IOException;
import java.util.ArrayList;
import java.util.List;

import org.jdom.Document;
import org.jdom.Element;

import fr.mael.jiwigo.Main;
import fr.mael.jiwigo.om.Comment;
import fr.mael.jiwigo.transverse.enumeration.MethodsEnum;
import fr.mael.jiwigo.transverse.util.Outil;

/**
   Copyright (c) 2010, Mael
   All rights reserved.

   Redistribution and use in source and binary forms, with or without
   modification, are permitted provided that the following conditions are met:
    * Redistributions of source code must retain the above copyright
      notice, this list of conditions and the following disclaimer.
    * Redistributions in binary form must reproduce the above copyright
      notice, this list of conditions and the following disclaimer in the
      documentation and/or other materials provided with the distribution.
    * Neither the name of jiwigo nor the
      names of its contributors may be used to endorse or promote products
      derived from this software without specific prior written permission.

   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
   ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
   WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
   DISCLAIMED. IN NO EVENT SHALL Mael BE LIABLE FOR ANY
   DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
   (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
   LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
   ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
   SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   
 * Dao des commentaires
 * @author mael
 *
 */
public class CommentDao {
    /**
     * Logger
     */
    public static final org.apache.commons.logging.Log LOG = org.apache.commons.logging.LogFactory
            .getLog(CommentDao.class);
    /**
     *  Instance qui permet d'utiliser un singleton
     */
    private static CommentDao instance;

    /**
     * Constructeur privé, pour n'avoir accès qu'au singleton
     */
    private CommentDao() {

    }

    /**
     * @return le singleton
     */
    public static CommentDao getInstance() {
        if (instance == null) {
            instance = new CommentDao();
        }
        return instance;
    }

    /**
     * Listing des commentaires pour une image donnée
     * @param idImage identifiant de l'image
     * @return liste des commentaires
     * @throws IOException 
     */
    public List<Comment> lister(Integer idImage) throws IOException {
        Document doc = (Main.sessionManager.executerReturnDocument(MethodsEnum.GET_INFO.getLabel(), "image_id", String
                .valueOf(idImage)));
        Element element = doc.getRootElement().getChild("image").getChild("comments");
        List<Element> listElement = (List<Element>) element.getChildren("comment");
        ArrayList<Comment> comments = new ArrayList<Comment>();
        for (Element com : listElement) {
            Comment myCom = new Comment();
            myCom.setIdentifiant(Integer.valueOf(com.getAttributeValue("id")));
            myCom.setDate(com.getAttributeValue("date"));
            myCom.setAuthor(com.getChildText("author"));
            myCom.setContent(com.getChildText("content"));
            comments.add(myCom);
        }
        return comments;
    }

    /**
     * Recupération de la clé pour l'ajout d'un com
     * @param idImage
     * @return
     * @throws IOException 
     */
    public String getKey(Integer idImage) throws IOException {
        Document doc = (Main.sessionManager.executerReturnDocument(MethodsEnum.GET_INFO.getLabel(), "image_id", String
                .valueOf(idImage)));
        String key = doc.getRootElement().getChild("image").getChild("comment_post").getAttributeValue("key");
        return key;
    }

    public boolean creer(Comment commentaire) throws IOException {
        String key = getKey(commentaire.getImageId());
        try {
            Thread.sleep(2200);
        } catch (InterruptedException e) {
            e.printStackTrace();
        }
        return Outil.checkOk(Main.sessionManager.executerReturnDocument(MethodsEnum.AJOUTER_COMMENTAIRE.getLabel(),
                "image_id", String.valueOf(commentaire.getImageId()), "author", commentaire.getAuthor(), "content",
                commentaire.getContent(), "key", key));

    }
}