/*
* Sone - GetReplyAjaxPage.java - Copyright © 2010–2013 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 java.io.StringWriter;
import static com.fasterxml.jackson.databind.node.JsonNodeFactory.instance;
import com.google.common.base.Optional;
import net.pterodactylus.sone.data.PostReply;
import net.pterodactylus.sone.data.Sone;
import net.pterodactylus.sone.web.WebInterface;
import net.pterodactylus.sone.web.page.FreenetRequest;
import net.pterodactylus.util.io.Closer;
import net.pterodactylus.util.template.Template;
import net.pterodactylus.util.template.TemplateContext;
import net.pterodactylus.util.template.TemplateException;
import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.node.ObjectNode;
/**
* This AJAX page returns the details of a reply.
*
* @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
*/
public class GetReplyAjaxPage extends JsonPage {
/** The template to render. */
private final Template replyTemplate;
/**
* Creates a new “get reply” page.
*
* @param webInterface
* The Sone web interface
* @param replyTemplate
* The template to render
*/
public GetReplyAjaxPage(WebInterface webInterface, Template replyTemplate) {
super("getReply.ajax", webInterface);
this.replyTemplate = replyTemplate;
}
//
// JSONPAGE METHODS
//
/**
* {@inheritDoc}
*/
@Override
protected JsonReturnObject createJsonObject(FreenetRequest request) {
String replyId = request.getHttpRequest().getParam("reply");
Optional<PostReply> reply = webInterface.getCore().getPostReply(replyId);
if (!reply.isPresent()) {
return createErrorJsonObject("invalid-reply-id");
}
return createSuccessJsonObject().put("reply", createJsonReply(request, reply.get(), getCurrentSone(request.getToadletContext())));
}
/**
* {@inheritDoc}
*/
@Override
protected boolean needsFormPassword() {
return false;
}
//
// PRIVATE METHODS
//
/**
* Creates a JSON representation of the given reply.
*
* @param request
* The request being processed
* @param reply
* The reply to convert
* @param currentSone
* The currently logged in Sone (to store in the template)
* @return The JSON representation of the reply
*/
private JsonNode createJsonReply(FreenetRequest request, PostReply reply, Sone currentSone) {
ObjectNode jsonReply = new ObjectNode(instance);
jsonReply.put("id", reply.getId());
jsonReply.put("postId", reply.getPostId());
jsonReply.put("soneId", reply.getSone().getId());
jsonReply.put("time", reply.getTime());
StringWriter stringWriter = new StringWriter();
TemplateContext templateContext = webInterface.getTemplateContextFactory().createTemplateContext();
templateContext.set("core", webInterface.getCore());
templateContext.set("request", request);
templateContext.set("reply", reply);
templateContext.set("currentSone", currentSone);
try {
replyTemplate.render(templateContext, stringWriter);
} catch (TemplateException te1) {
/* TODO - shouldn’t happen. */
} finally {
Closer.close(stringWriter);
}
return jsonReply.put("html", stringWriter.toString());
}
}