/*
* Sone - GetNotificationsAjaxPage.java - Copyright © 2011–2013 David Roden
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package net.pterodactylus.sone.web.ajax;
import static com.fasterxml.jackson.databind.node.JsonNodeFactory.instance;
import java.io.IOException;
import java.io.StringWriter;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
import net.pterodactylus.sone.data.Sone;
import net.pterodactylus.sone.main.SonePlugin;
import net.pterodactylus.sone.notify.ListNotificationFilters;
import net.pterodactylus.sone.web.WebInterface;
import net.pterodactylus.sone.web.page.FreenetRequest;
import net.pterodactylus.util.notify.Notification;
import net.pterodactylus.util.notify.TemplateNotification;
import net.pterodactylus.util.template.TemplateContext;
import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.node.ArrayNode;
import com.fasterxml.jackson.databind.node.ObjectNode;
/**
* AJAX handler to return all current notifications.
*
* @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
*/
public class GetNotificationsAjaxPage extends JsonPage {
/**
* Creates a new “get notifications” AJAX handler.
*
* @param webInterface
* The Sone web interface
*/
public GetNotificationsAjaxPage(WebInterface webInterface) {
super("getNotifications.ajax", webInterface);
}
//
// JSONPAGE METHODS
//
/**
* {@inheritDoc}
*/
@Override
protected boolean needsFormPassword() {
return false;
}
/**
* {@inheritDoc}
*/
@Override
protected boolean requiresLogin() {
return false;
}
/**
* {@inheritDoc}
*/
@Override
protected JsonReturnObject createJsonObject(FreenetRequest request) {
Sone currentSone = getCurrentSone(request.getToadletContext(), false);
Collection<Notification> notifications = webInterface.getNotifications().getNotifications();
List<Notification> filteredNotifications = ListNotificationFilters.filterNotifications(notifications, currentSone);
Collections.sort(filteredNotifications, Notification.CREATED_TIME_SORTER);
ArrayNode jsonNotifications = new ArrayNode(instance);
for (Notification notification : filteredNotifications) {
jsonNotifications.add(createJsonNotification(request, notification));
}
return createSuccessJsonObject().put("notificationHash", filteredNotifications.hashCode()).put("notifications", jsonNotifications).put("options", createJsonOptions(currentSone));
}
//
// PRIVATE METHODS
//
/**
* Creates a JSON object from the given notification.
*
* @param request
* The request to load the session from
* @param notification
* The notification to create a JSON object
* @return The JSON object
*/
private JsonNode createJsonNotification(FreenetRequest request, Notification notification) {
ObjectNode jsonNotification = new ObjectNode(instance);
jsonNotification.put("id", notification.getId());
StringWriter notificationWriter = new StringWriter();
try {
if (notification instanceof TemplateNotification) {
TemplateContext templateContext = webInterface.getTemplateContextFactory().createTemplateContext().mergeContext(((TemplateNotification) notification).getTemplateContext());
templateContext.set("core", webInterface.getCore());
templateContext.set("currentSone", webInterface.getCurrentSone(request.getToadletContext(), false));
templateContext.set("localSones", webInterface.getCore().getLocalSones());
templateContext.set("request", request);
templateContext.set("currentVersion", SonePlugin.VERSION);
templateContext.set("hasLatestVersion", webInterface.getCore().getUpdateChecker().hasLatestVersion());
templateContext.set("latestEdition", webInterface.getCore().getUpdateChecker().getLatestEdition());
templateContext.set("latestVersion", webInterface.getCore().getUpdateChecker().getLatestVersion());
templateContext.set("latestVersionTime", webInterface.getCore().getUpdateChecker().getLatestVersionDate());
templateContext.set("notification", notification);
((TemplateNotification) notification).render(templateContext, notificationWriter);
} else {
notification.render(notificationWriter);
}
} catch (IOException ioe1) {
/* StringWriter never throws, ignore. */
}
jsonNotification.put("text", notificationWriter.toString());
jsonNotification.put("createdTime", notification.getCreatedTime());
jsonNotification.put("lastUpdatedTime", notification.getLastUpdatedTime());
jsonNotification.put("dismissable", notification.isDismissable());
return jsonNotification;
}
/**
* Creates a JSON object that contains all options that are currently in
* effect for the given Sone (or overall, if the given Sone is {@code null}
* ).
*
* @param currentSone
* The current Sone (may be {@code null})
* @return The current options
*/
private static JsonNode createJsonOptions(Sone currentSone) {
ObjectNode options = new ObjectNode(instance);
if (currentSone != null) {
options.put("ShowNotification/NewSones", currentSone.getOptions().getBooleanOption("ShowNotification/NewSones").get());
options.put("ShowNotification/NewPosts", currentSone.getOptions().getBooleanOption("ShowNotification/NewPosts").get());
options.put("ShowNotification/NewReplies", currentSone.getOptions().getBooleanOption("ShowNotification/NewReplies").get());
}
return options;
}
}