csns.web.controller.ForumController.java Source code

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Here is the source code for csns.web.controller.ForumController.java

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/*
 * This file is part of the CSNetwork Services (CSNS) project.
 * 
 * Copyright 2012-2014, Chengyu Sun (csun@calstatela.edu).
 * 
 * CSNS is free software: you can redistribute it and/or modify it under the
 * terms of the GNU Affero General Public License as published by the Free
 * Software Foundation, either version 3 of the License, or (at your option)
 * any later version.
 * 
 * CSNS 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 Affero General Public License for
 * more details.
 * 
 * You should have received a copy of the GNU Affero General Public License
 * along with CSNS. If not, see http://www.gnu.org/licenses/agpl.html.
 */
package csns.web.controller;

import java.util.ArrayList;
import java.util.List;

import javax.servlet.http.HttpSession;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.ModelMap;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;

import csns.model.academics.Department;
import csns.model.academics.dao.DepartmentDao;
import csns.model.core.Subscription;
import csns.model.core.User;
import csns.model.core.dao.SubscriptionDao;
import csns.model.core.dao.UserDao;
import csns.model.forum.Forum;
import csns.model.forum.dao.ForumDao;
import csns.security.SecurityUtils;

@Controller
public class ForumController {

    @Autowired
    private UserDao userDao;

    @Autowired
    private ForumDao forumDao;

    @Autowired
    private DepartmentDao departmentDao;

    @Autowired
    private SubscriptionDao subscriptionDao;

    private static final Logger logger = LoggerFactory.getLogger(ForumController.class);

    @RequestMapping("/department/{dept}/forum/list")
    public String list(@PathVariable String dept, @RequestParam(required = false) Boolean showAll,
            HttpSession session, ModelMap models) {
        Department department = departmentDao.getDepartment(dept);
        models.put("department", department);
        models.put("systemForums", forumDao.getSystemForums());

        User user = SecurityUtils.getUser();
        List<Forum> departmentForums = new ArrayList<Forum>();
        for (Forum departmentForum : department.getForums())
            if (!departmentForum.isMembersOnly() || departmentForum.isMember(user))
                departmentForums.add(departmentForum);
        models.put("departmentForums", departmentForums);

        if (showAll != null) {
            if (showAll)
                session.setAttribute("showAll", true);
            else
                session.removeAttribute("showAll");
        }

        List<Forum> courseForums = new ArrayList<Forum>();
        if (SecurityUtils.isAnonymous() || session.getAttribute("showAll") != null) {
            courseForums = forumDao.getCourseForums(department);
        } else {
            List<Subscription> subscriptions = subscriptionDao.getSubscriptions(SecurityUtils.getUser(),
                    Forum.class);
            for (Subscription subscription : subscriptions) {
                Forum forum = (Forum) subscription.getSubscribable();
                if (forum.getCourse() != null)
                    courseForums.add(forum);
            }
        }
        models.put("courseForums", courseForums);

        return "forum/list";
    }

    @RequestMapping("/department/{dept}/forum/view")
    public String view(@PathVariable String dept, @RequestParam Long id, ModelMap models) {
        Forum forum = forumDao.getForum(id);
        if (SecurityUtils.isAuthenticated()) {
            User user = userDao.getUser(SecurityUtils.getUser().getId());
            models.put("isModerator", forum.isModerator(user));
            models.put("subscription", subscriptionDao.getSubscription(forum, user));
        }

        models.put("forum", forum);
        models.put("department", departmentDao.getDepartment(dept));

        return "forum/view";
    }

    @RequestMapping("/department/{dept}/forum/delete")
    public String delete(@RequestParam Long id) {
        Forum forum = forumDao.getForum(id);
        if (forum.getDepartment() != null) {
            forum.setDepartment(null);
            forum.setHidden(true);
            forum = forumDao.saveForum(forum);
        }

        logger.info(SecurityUtils.getUser().getUsername() + " deleted forum " + forum.getId());

        return "redirect:list";
    }

}