/*
 * Copyright (C) 2010 Eko Kurniawan Khannedy
 * 
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 * 
 * This library 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
 * Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
package khannedy.filmtube.servlet;

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.List;
import java.util.Random;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import khannedy.filmtube.entity.Member;
import khannedy.filmtube.entity.Video;
import khannedy.filmtube.utilities.HibernateUtil;
import org.apache.commons.fileupload.FileItem;
import org.apache.commons.fileupload.FileItemFactory;
import org.apache.commons.fileupload.FileUploadException;
import org.apache.commons.fileupload.disk.DiskFileItemFactory;
import org.apache.commons.fileupload.servlet.ServletFileUpload;
import org.hibernate.Session;

/**
 *
 * @author echo
 */
@WebServlet(name = "UploadServlet", urlPatterns = {"/UploadServlet"})
public class UploadServlet extends HttpServlet {

    private Random random = new Random();

    /** 
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        try {

            String title = null;
            String location = null;

            FileItemFactory itemFactory = new DiskFileItemFactory();
            ServletFileUpload fileUpload = new ServletFileUpload(itemFactory);

            List<FileItem> fileItems = fileUpload.parseRequest(request);
            String folder = "/home/echo/phpholic/video";

            for (FileItem fileItem : fileItems) {

                if (!fileItem.isFormField()) {

                    location = random.nextLong() + fileItem.getName();
                    File file = new File(folder, location);
                    FileOutputStream stream = new FileOutputStream(file);
                    stream.write(fileItem.get());
                    stream.close();

                } else {

                    title = fileItem.getString();

                }

            }

            Session session = HibernateUtil.getSessionFactory().openSession();
            session.beginTransaction();

            Member member = (Member) request.getSession().getAttribute("member");
            session.refresh(member);

            Video video = new Video();
            video.setName(title);
            video.setLocation(location);
            video.setOwner(member);

            session.save(video);

            session.getTransaction().commit();
            session.close();

            response.sendRedirect("album.faces");

        } catch (FileUploadException ex) {
            out.write(ex.getMessage());
        } finally {
            out.close();
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}