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

   1 /*
   2  * Sone - GetNotificationAjaxPage.java - Copyright © 2010 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 java.io.IOException;
  21 import java.io.StringWriter;
  22
  23 import net.pterodactylus.sone.data.Post;
  24 import net.pterodactylus.sone.data.PostReply;
  25 import net.pterodactylus.sone.data.Sone;
  26 import net.pterodactylus.sone.main.SonePlugin;
  27 import net.pterodactylus.sone.notify.ListNotification;
  28 import net.pterodactylus.sone.notify.ListNotificationFilters;
  29 import net.pterodactylus.sone.web.WebInterface;
  30 import net.pterodactylus.sone.web.page.FreenetRequest;
  31 import net.pterodactylus.util.json.JsonObject;
  32 import net.pterodactylus.util.notify.Notification;
  33 import net.pterodactylus.util.notify.TemplateNotification;
  34 import net.pterodactylus.util.template.TemplateContext;
  35
  36 /**
  37  * The “get notification” AJAX handler returns a number of rendered
  38  * notifications.
  39  *
  40  * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
  41  */
  42 public class GetNotificationAjaxPage extends JsonPage {
  43
  44         /**
  45          * Creates a new “get notification” AJAX page.
  46          *
  47          * @param webInterface
  48          *            The Sone web interface
  49          */
  50         public GetNotificationAjaxPage(WebInterface webInterface) {
  51                 super("getNotification.ajax", webInterface);
  52         }
  53
  54         //
  55         // JSONPAGE METHODS
  56         //
  57
  58         /**
  59          * {@inheritDoc}
  60          */
  61         @Override
  62         protected boolean needsFormPassword() {
  63                 return false;
  64         }
  65
  66         /**
  67          * {@inheritDoc}
  68          */
  69         @Override
  70         protected boolean requiresLogin() {
  71                 return false;
  72         }
  73
  74         /**
  75          * {@inheritDoc}
  76          */
  77         @Override
  78         @SuppressWarnings("unchecked")
  79         protected JsonObject createJsonObject(FreenetRequest request) {
  80                 String[] notificationIds = request.getHttpRequest().getParam("notifications").split(",");
  81                 JsonObject jsonNotifications = new JsonObject();
  82                 Sone currentSone = getCurrentSone(request.getToadletContext(), false);
  83                 for (String notificationId : notificationIds) {
  84                         Notification notification = webInterface.getNotifications().getNotification(notificationId);
  85                         if (notification == null) {
  86                                 // TODO - show error
  87                                 continue;
  88                         }
  89                         if ("new-post-notification".equals(notificationId)) {
  90                                 notification = ListNotificationFilters.filterNewPostNotification((ListNotification<Post>) notification, currentSone, false);
  91                         } else if ("new-reply-notification".equals(notificationId)) {
  92                                 notification = ListNotificationFilters.filterNewReplyNotification((ListNotification<PostReply>) notification, currentSone);
  93                         } else if ("mention-notification".equals(notificationId)) {
  94                                 notification = ListNotificationFilters.filterNewPostNotification((ListNotification<Post>) notification, currentSone, false);
  95                         }
  96                         if (notification == null) {
  97                                 // TODO - show error
  98                                 continue;
  99                         }
 100                         jsonNotifications.put(notificationId, createJsonNotification(request, notification));
 101                 }
 102                 return createSuccessJsonObject().put("notifications", jsonNotifications);
 103         }
 104
 105         //
 106         // PRIVATE METHODS
 107         //
 108
 109         /**
 110          * Creates a JSON object from the given notification.
 111          *
 112          * @param request
 113          *            The request to load the session from
 114          * @param notification
 115          *            The notification to create a JSON object
 116          * @return The JSON object
 117          */
 118         private JsonObject createJsonNotification(FreenetRequest request, Notification notification) {
 119                 JsonObject jsonNotification = new JsonObject();
 120                 jsonNotification.put("id", notification.getId());
 121                 StringWriter notificationWriter = new StringWriter();
 122                 try {
 123                         if (notification instanceof TemplateNotification) {
 124                                 TemplateContext templateContext = webInterface.getTemplateContextFactory().createTemplateContext().mergeContext(((TemplateNotification) notification).getTemplateContext());
 125                                 templateContext.set("core", webInterface.getCore());
 126                                 templateContext.set("currentSone", webInterface.getCurrentSone(request.getToadletContext(), false));
 127                                 templateContext.set("localSones", webInterface.getCore().getLocalSones());
 128                                 templateContext.set("request", request);
 129                                 templateContext.set("currentVersion", SonePlugin.VERSION);
 130                                 templateContext.set("hasLatestVersion", webInterface.getCore().getUpdateChecker().hasLatestVersion());
 131                                 templateContext.set("latestEdition", webInterface.getCore().getUpdateChecker().getLatestEdition());
 132                                 templateContext.set("latestVersion", webInterface.getCore().getUpdateChecker().getLatestVersion());
 133                                 templateContext.set("latestVersionTime", webInterface.getCore().getUpdateChecker().getLatestVersionDate());
 134                                 templateContext.set("notification", notification);
 135                                 ((TemplateNotification) notification).render(templateContext, notificationWriter);
 136                         } else {
 137                                 notification.render(notificationWriter);
 138                         }
 139                 } catch (IOException ioe1) {
 140                         /* StringWriter never throws, ignore. */
 141                 }
 142                 jsonNotification.put("text", notificationWriter.toString());
 143                 jsonNotification.put("createdTime", notification.getCreatedTime());
 144                 jsonNotification.put("lastUpdatedTime", notification.getLastUpdatedTime());
 145                 jsonNotification.put("dismissable", notification.isDismissable());
 146                 return jsonNotification;
 147         }
 148
 149 }