src/main/java/net/pterodactylus/sone/web/DeletePostPage.java

   1 /*
   2  * Sone - DeletePostPage.java - Copyright © 2010–2013 David Roden
   3  *
   4  * This program is free software: you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation, either version 3 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16  */
  17
  18 package net.pterodactylus.sone.web;
  19
  20 import com.google.common.base.Optional;
  21
  22 import net.pterodactylus.sone.data.IdBuilder;
  23 import net.pterodactylus.sone.data.Post;
  24 import net.pterodactylus.sone.web.page.FreenetRequest;
  25 import net.pterodactylus.util.template.Template;
  26 import net.pterodactylus.util.template.TemplateContext;
  27 import net.pterodactylus.util.web.Method;
  28
  29 /**
  30  * Lets the user delete a post they made.
  31  *
  32  * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
  33  */
  34 public class DeletePostPage extends SoneTemplatePage {
  35
  36         /**
  37          * Creates a new “delete post” page.
  38          *
  39          * @param template
  40          *            The template to render
  41          * @param webInterface
  42          *            The Sone web interface
  43          */
  44         public DeletePostPage(Template template, WebInterface webInterface) {
  45                 super("deletePost.html", template, "Page.DeletePost.Title", webInterface, true);
  46         }
  47
  48         //
  49         // TEMPLATEPAGE METHODS
  50         //
  51
  52         /**
  53          * {@inheritDoc}
  54          */
  55         @Override
  56         protected void processTemplate(FreenetRequest request, TemplateContext templateContext) throws RedirectException {
  57                 super.processTemplate(request, templateContext);
  58                 if (request.getMethod() == Method.GET) {
  59                         String postId = request.getHttpRequest().getParam("post");
  60                         String returnPage = request.getHttpRequest().getParam("returnPage");
  61                         Optional<Post> post = webInterface.getCore().getPost(postId);
  62                         if (!post.isPresent()) {
  63                                 throw new RedirectException("noPermission.html");
  64                         }
  65                         templateContext.set("post", post.get());
  66                         templateContext.set("returnPage", returnPage);
  67                 } else if (request.getMethod() == Method.POST) {
  68                         String postId = request.getHttpRequest().getPartAsStringFailsafe("post", IdBuilder.ID_STRING_LENGTH);
  69                         String returnPage = request.getHttpRequest().getPartAsStringFailsafe("returnPage", 256);
  70                         Optional<Post> post = webInterface.getCore().getPost(postId);
  71                         if (!post.isPresent() || !post.get().getSone().isLocal()) {
  72                                 throw new RedirectException("noPermission.html");
  73                         }
  74                         if (request.getHttpRequest().isPartSet("confirmDelete")) {
  75                                 webInterface.getCore().deletePost(post.get());
  76                                 throw new RedirectException(returnPage);
  77                         } else if (request.getHttpRequest().isPartSet("abortDelete")) {
  78                                 throw new RedirectException(returnPage);
  79                         }
  80                         templateContext.set("post", post);
  81                         templateContext.set("returnPage", returnPage);
  82                 }
  83         }
  84
  85 }