/*
    * This software was designed and created by Jason Carroll.
    * Copyright (c) 2002, 2003, 2004 Jason Carroll.
    * The author can be reached at jcarroll@cowsultants.com
    * ITracker website: http://www.cowsultants.com
    * ITracker forums: http://www.cowsultants.com/phpBB/index.php
    *
    * This program is free software; you can redistribute it and/or modify
    * it only 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.
   */
  
  package org.itracker.web.servlets;
  
  import java.io.IOException;
  
  import javax.servlet.ServletConfig;
  import javax.servlet.ServletException;
  import javax.servlet.ServletOutputStream;
  import javax.servlet.http.HttpServletRequest;
  import javax.servlet.http.HttpServletResponse;
  
  import org.apache.log4j.Logger;
  import org.itracker.model.Report;
  import org.itracker.services.ReportService;
   
  
  public class ReportDownloadController extends GenericController {
   
  	private static final Logger logger = Logger.getLogger(ReportDownloadController.class);
      /**
  	 * 
  	 */
  	private static final long serialVersionUID = 1L;
  
  	public ReportDownloadController() {
      }
  
      public void init(ServletConfig config) {
   
      }
  
      public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
          if(! isLoggedInWithRedirect(request, response)) {
              return;
          }
          
          // TODO: the 2-3 lines are most propably not used; commented, task added
          // Commented more not used lines, but added a task for testing. 
          // HttpSession session = request.getSession();
          // UserModel user = (UserModel) session.getAttribute("user");
          // User user = (session == null ? null : (User) session.getAttribute(Constants.USER_KEY));
  
          try {
              ReportService reportService = getITrackerServices(getServletContext()).getReportService();
  
              Integer reportId = null;
              Report report = null;
  
              try {
                  reportId = new Integer((request.getParameter("id") == null ? "-1" : (request.getParameter("id"))));
                  report = reportService.getReportDAO().findByPrimaryKey(reportId);
              } catch(NumberFormatException nfe) {
                  if (logger.isDebugEnabled()) {
                      logger.debug("Invalid reportId " + request.getParameter("id") + " specified.");
                  }
              }
  
              if(report == null) {
                  forward("/error.jsp", request, response);
                  return;
              }
  
              response.setHeader("Content-Disposition", "attachment; filename=report" + report.getId() + "\"");
              ServletOutputStream out = response.getOutputStream();
              //out.write(reportService.getReportFile(reportId));
              out.close();
          } catch(IOException ioe) {
              logger.info("Unable to display report.", ioe);
          }
  
          return;
      }
  }