/*

  * Copyright (c) 2003-2011, Simon Brown

  * 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 Pebble 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 THE COPYRIGHT OWNER OR CONTRIBUTORS 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.

  */

 package net.sourceforge.pebble.web.action;

 import net.sourceforge.pebble.Constants;

 import net.sourceforge.pebble.domain.Blog;

 import net.sourceforge.pebble.domain.BlogEntry;

 import net.sourceforge.pebble.domain.BlogService;

 import net.sourceforge.pebble.domain.BlogServiceException;

 import net.sourceforge.pebble.util.StringUtils;

 import net.sourceforge.pebble.web.security.RequireSecurityToken;

 import net.sourceforge.pebble.web.view.RedirectView;

 import net.sourceforge.pebble.web.view.View;

 import org.apache.commons.logging.Log;

 import org.apache.commons.logging.LogFactory;

 import javax.servlet.ServletException;

 import javax.servlet.http.HttpServletRequest;

 import javax.servlet.http.HttpServletResponse;

 /**

  * Allows the user to manage (currently only remove) one or more blog entries.

  *

  * @author    Simon Brown

  */

 @RequireSecurityToken

 public class ManageBlogEntriesAction extends SecureAction {

   /** the log used by this class */

   private static final Log log = LogFactory.getLog(ManageBlogEntriesAction.class);

   /**

    * Peforms the processing associated with this action.

    *

    * @param request  the HttpServletRequest instance

    * @param response the HttpServletResponse instance

    * @return the name of the next view

    */

   public View process(HttpServletRequest request, HttpServletResponse response) throws ServletException {

     Blog blog = (Blog)getModel().get(Constants.BLOG_KEY);

     String ids[] = request.getParameterValues("entry");

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

     if (ids != null) {

       for (String id : ids) {

         BlogService service = new BlogService();

         BlogEntry blogEntry = null;

         try {

           blogEntry = service.getBlogEntry(blog, id);

         } catch (BlogServiceException e) {

           throw new ServletException(e);

         }

         if (blogEntry != null) {

           if (submit.equalsIgnoreCase("Remove")) {

             try {

               service.removeBlogEntry(blogEntry);

               blog.info("Blog entry \"" + StringUtils.transformHTML(blogEntry.getTitle()) + "\" removed.");

             } catch (BlogServiceException be) {

               throw new ServletException(be);

             }

           } else if (submit.equals("Publish")) {

             // this publishes the entry as-is (i.e. with the same

             // date/time it already has)

             try {

               blogEntry.setPublished(true);

               service.putBlogEntry(blogEntry);

               blog.info("Blog entry <a href=\"" + blogEntry.getLocalPermalink() + "\">" + blogEntry.getTitle() + "</a> published.");

             } catch (BlogServiceException be) {

               throw new ServletException(be);

             }

           }

         }

       }

     }

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

     if (redirectUrl != null && redirectUrl.trim().length() > 0) {

       return new RedirectView(redirectUrl);

     } else {

       return new RedirectView(blog.getUrl());

     }

   }

   /**

    * Gets a list of all roles that are allowed to access this action.

    *

    * @return  an array of Strings representing role names

    * @param request

    */

   public String[] getRoles(HttpServletRequest request) {

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

     if (submit != null) {

       if (submit.equalsIgnoreCase("Remove")) {

         return new String[]{Constants.BLOG_CONTRIBUTOR_ROLE};

       } else if (submit.equalsIgnoreCase("Publish")) {

         return new String[]{Constants.BLOG_PUBLISHER_ROLE};

       }

     }

     // default back to blog owner role

     return new String[]{Constants.BLOG_OWNER_ROLE};

   }

 }