src/main/java/net/pterodactylus/sone/web/ajax/UnlikeAjaxPage.java

   1 /*
   2  * Sone - UnlikeAjaxPage.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.ajax;
  19
  20 import net.pterodactylus.sone.data.Post;
  21 import net.pterodactylus.sone.data.PostReply;
  22 import net.pterodactylus.sone.data.Sone;
  23 import net.pterodactylus.sone.web.WebInterface;
  24 import net.pterodactylus.sone.web.page.FreenetRequest;
  25
  26 import com.google.common.base.Optional;
  27
  28 /**
  29  * AJAX page that lets the user unlike a {@link Post}.
  30  *
  31  * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
  32  */
  33 public class UnlikeAjaxPage extends JsonPage {
  34
  35         /**
  36          * Creates a new “unlike post” AJAX page.
  37          *
  38          * @param webInterface
  39          *            The Sone web interface
  40          */
  41         public UnlikeAjaxPage(WebInterface webInterface) {
  42                 super("unlike.ajax", webInterface);
  43         }
  44
  45         @Override
  46         protected JsonReturnObject createJsonObject(FreenetRequest request) {
  47                 String type = request.getHttpRequest().getParam("type", null);
  48                 String id = request.getHttpRequest().getParam(type, null);
  49                 if ((id == null) || (id.length() == 0)) {
  50                         return createErrorJsonObject("invalid-" + type + "-id");
  51                 }
  52                 Sone currentSone = getCurrentSone(request.getToadletContext());
  53                 if (currentSone == null) {
  54                         return createErrorJsonObject("auth-required");
  55                 }
  56                 if ("post".equals(type)) {
  57                         Optional<Post> post = webInterface.getCore().getDatabase().getPost(id);
  58                         if (post.isPresent()) {
  59                                 post.get().unlike(currentSone);
  60                         }
  61                         webInterface.getCore().touchConfiguration();
  62                 } else if ("reply".equals(type)) {
  63                         Optional<PostReply> postReply = webInterface.getCore().getDatabase().getPostReply(id);
  64                         if (postReply.isPresent()) {
  65                                 postReply.get().unlike(currentSone);
  66                         }
  67                         webInterface.getCore().touchConfiguration();
  68                 } else {
  69                         return createErrorJsonObject("invalid-type");
  70                 }
  71                 return createSuccessJsonObject();
  72         }
  73
  74 }