/******************************************************************************

  * WebEditController.java - The Spring controller for the naked AJAX calls

  * 

  * PicMan - The BuckoSoft Picture Manager in Java

  * Copyright(c) 2008 - Dick Balaska

  * 

  */

 package com.buckosoft.PicMan.web;

 import java.io.IOException;

 import javax.servlet.http.HttpServletRequest;

 import javax.servlet.http.HttpServletResponse;

 import org.apache.commons.logging.Log;

 import org.apache.commons.logging.LogFactory;

 import org.springframework.web.servlet.ModelAndView;

 import org.springframework.web.servlet.mvc.Controller;

 import com.buckosoft.BSAccount.web.BSAccountPageController;

 import com.buckosoft.BSAccount.web.BSAccountUserWebSession;

 import com.buckosoft.PicMan.business.PicManFacade;

 import com.buckosoft.PicMan.domain.User;

 /**

  * The Spring controller for the naked AJAX calls. <br>

  * This controller just returns a status. Typically, 200 for OK or 5xx for an error.

  * @author Dick Balaska

  * @since 2008/05/28

  * @see <a href="http://cvs.buckosoft.com/Projects/java/PicMan/PicMan/src/com/buckosoft/PicMan/web/WebEditController.java">WebEditController.java</a>

  */

 public class WebEditController  extends BSAccountPageController implements Controller {

         private final static boolean DEBUG = false;

         protected final Log logger = LogFactory.getLog(getClass());

         private PicManFacade pmf;

         /** Set the PicManFacade reference

          * @param pmf The PicManFacade API

          */

         public void setPicMan(PicManFacade pmf) { this.pmf = pmf; }

         /** Spring standard http request handler.

          * @param request The http request.

          * @param response The http response.

          * @return null to return just an http status because we pushed the DOM out the response.

          */ 

         public ModelAndView handleRequest(HttpServletRequest request, HttpServletResponse response) {

                 String cid = request.getParameter("cid");

                 String c = request.getParameter("c");

                 String command = request.getParameter("command");

                 if (DEBUG) {

                         if (!command.equals("PicManStatus"))

                                 logger.info("XML Request com=" + command + " c=" + c + " cid=" + cid);

                 }

                 response.setContentType("text/plain");

                 response.addHeader("Cache-Control", "max-age=0");

                 response.addHeader("Cache-Control", "no-cache");

                 response.addHeader("expires", "0");

                 response.addHeader("Expires", "Tue, 01 Jan 1980 1:00:00 GMT");

                 response.addHeader("Pragma", "no-cache");

 //                User user = null;

 //                BSAccountUserWebSession userWebSession = this.bsAccountMan.getUserWebSession(request);

 //                if (userWebSession != null) 

 //                        user = (User)userWebSession.getUser();

                 try {

                         if (command == null) {

                                 response.sendError(550, "No command in request");

                                 return(null);

                         }

                         else if (command.equals("DeleteMosaicTiles"))

                                 pmf.getDB().deleteMosaicTiles(Integer.parseInt(c));

                         else if (command.equals("DeleteVirgin"))

                                 pmf.getDB().deleteVirgin(c);

                         else if (command.equals("UpdateOptions")) {

                                 if (!updateOptions(request, response))

                                         response.sendError(251, "Failed to update Options");

                         } else {

                                 response.sendError(551, "Unknown command '" + command + "' in request");

                         }

                 } catch (NumberFormatException e) {

                         logger.info(e);

                         pmf.addError(e);

                 } catch (IOException e) {

                         logger.info(e);

                         pmf.addError(e);

                 }

                 return null;

         }

         private boolean updateOptions(HttpServletRequest request, HttpServletResponse response) {

                 User user = null;

                 BSAccountUserWebSession userWebSession = this.bsAccountMan.getUserWebSession(request);

                 if (userWebSession != null) 

                         user = (User)userWebSession.getUser();

                 if (user == null) {

                         logger.warn("Can't update options for unknown user");

                         return(false);

                 }

                 String showFileDates = request.getHeader("showFileDates");

                 String showChangedFilters = request.getHeader("showChangedFilters");

                 if (showFileDates == null || showChangedFilters == null)

                         return(false);

                 user.setEditorShowFileDates(showFileDates.equals("1") ? true : false);

                 user.setEditorShowChangedFilters(showChangedFilters.equals("1") ? true : false);

                 pmf.getDB().storeUser(user);

                 return(true);

         }

 }