/*
* Copyright (c) 2009, 2010, 2011, 2012, 2013, 2014, B3log Team
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.b3log.solo.processor.util;
import freemarker.template.Template;
import freemarker.template.TemplateException;
import java.io.IOException;
import java.io.StringWriter;
import java.util.HashMap;
import java.util.Map;
import javax.inject.Inject;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.b3log.latke.Keys;
import org.b3log.latke.logging.Level;
import org.b3log.latke.logging.Logger;
import org.b3log.latke.model.Role;
import org.b3log.latke.model.User;
import org.b3log.latke.service.LangPropsService;
import org.b3log.latke.service.ServiceException;
import org.b3log.latke.service.annotation.Service;
import org.b3log.latke.user.UserService;
import org.b3log.latke.user.UserServiceFactory;
import org.b3log.latke.util.Requests;
import org.b3log.latke.util.Stopwatchs;
import org.b3log.solo.model.Common;
import org.b3log.solo.processor.renderer.ConsoleRenderer;
import org.b3log.solo.service.StatisticQueryService;
import org.b3log.solo.service.UserMgmtService;
import org.b3log.solo.service.UserQueryService;
import org.json.JSONException;
import org.json.JSONObject;
/**
* Top bar utilities.
*
* @author <a href="http://88250.b3log.org">Liang Ding</a>
* @author <a href="mailto:dongxu.wang@acm.org">Dongxu Wang</a>
* @version 1.0.1.5, Apr 10, 2013
* @since 0.3.5
*/
@Service
public class TopBars {
/**
* Logger.
*/
private static final Logger LOGGER = Logger.getLogger(TopBars.class.getName());
/**
* User service.
*/
private static UserService userService = UserServiceFactory.getUserService();
/**
* User query service.
*/
@Inject
private UserQueryService userQueryService;
/**
* Language service.
*/
@Inject
private LangPropsService langPropsService;
/**
* User management service.
*/
@Inject
private UserMgmtService userMgmtService;
/**
* Statistic query service.
*/
@Inject
private StatisticQueryService statisticQueryService;
/**
* Generates top bar HTML.
*
* @param request the specified request
* @param response the specified response
* @return top bar HTML
* @throws ServiceException service exception
*/
public String getTopBarHTML(final HttpServletRequest request, final HttpServletResponse response)
throws ServiceException {
Stopwatchs.start("Gens Top Bar HTML");
try {
final Template topBarTemplate = ConsoleRenderer.TEMPLATE_CFG.getTemplate("top-bar.ftl");
final StringWriter stringWriter = new StringWriter();
final Map<String, Object> topBarModel = new HashMap<String, Object>();
userMgmtService.tryLogInWithCookie(request, response);
final JSONObject currentUser = userQueryService.getCurrentUser(request);
Keys.fillServer(topBarModel);
topBarModel.put(Common.IS_LOGGED_IN, false);
topBarModel.put(Common.IS_MOBILE_REQUEST, Requests.mobileRequest(request));
topBarModel.put("mobileLabel", langPropsService.get("mobileLabel"));
topBarModel.put("onlineVisitor1Label", langPropsService.get("onlineVisitor1Label"));
topBarModel.put(Common.ONLINE_VISITOR_CNT, statisticQueryService.getOnlineVisitorCount());
if (null == currentUser) {
topBarModel.put(Common.LOGIN_URL, userService.createLoginURL(Common.ADMIN_INDEX_URI));
topBarModel.put("loginLabel", langPropsService.get("loginLabel"));
topBarModel.put("registerLabel", langPropsService.get("registerLabel"));
topBarTemplate.process(topBarModel, stringWriter);
return stringWriter.toString();
}
topBarModel.put(Common.IS_LOGGED_IN, true);
topBarModel.put(Common.LOGOUT_URL, userService.createLogoutURL("/"));
topBarModel.put(Common.IS_ADMIN, Role.ADMIN_ROLE.equals(currentUser.getString(User.USER_ROLE)));
topBarModel.put(Common.IS_VISITOR, Role.VISITOR_ROLE.equals(currentUser.getString(User.USER_ROLE)));
topBarModel.put("adminLabel", langPropsService.get("adminLabel"));
topBarModel.put("logoutLabel", langPropsService.get("logoutLabel"));
final String userName = currentUser.getString(User.USER_NAME);
topBarModel.put(User.USER_NAME, userName);
topBarTemplate.process(topBarModel, stringWriter);
return stringWriter.toString();
} catch (final JSONException e) {
LOGGER.log(Level.ERROR, "Gens top bar HTML failed", e);
throw new ServiceException(e);
} catch (final IOException e) {
LOGGER.log(Level.ERROR, "Gens top bar HTML failed", e);
throw new ServiceException(e);
} catch (final TemplateException e) {
LOGGER.log(Level.ERROR, "Gens top bar HTML failed", e);
throw new ServiceException(e);
} finally {
Stopwatchs.end();
}
}
}