updatemessageaction.java

jGossip是一个简单而功能强大的Java论坛软件（消息板）

/*
 * $$Id: UpdateMessageAction.java,v 1.14 2004/06/16 13:21:43 bel70 Exp $$
 *
 * ***** BEGIN LICENSE BLOCK *****
 * The contents of this file are subject to the Mozilla Public License
 * Version 1.1 (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.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS"
 * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
 * the License for the specific language governing rights and
 * limitations under the License.
 *
 * The Original Code is JGossip forum code.
 *
 * The Initial Developer of the Original Code is the JResearch, Org.
 * Portions created by the Initial Developer are Copyright (C) 2004
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *              Dmitry Belov <[e-mail]>
 *
 * ***** END LICENSE BLOCK ***** */
/*
 * Created on Sep 20, 2003
 *
 */
package org.jresearch.gossip.actions.message;

import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;

import org.jresearch.gossip.IConst;
import org.jresearch.gossip.actions.BaseAction;
import org.jresearch.gossip.beans.forum.Forum;
import org.jresearch.gossip.beans.forum.Message;
import org.jresearch.gossip.beans.forum.Topic;
import org.jresearch.gossip.beans.user.User;
import org.jresearch.gossip.configuration.Configurator;
import org.jresearch.gossip.dao.ForumDAO;
import org.jresearch.gossip.exception.SystemException;
import org.jresearch.gossip.forms.MessageForm;

import java.sql.SQLException;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;


/**
 * DOCUMENT ME!
 *
 * @author Bel
 */
public class UpdateMessageAction extends BaseAction {
    /**
     * DOCUMENT ME!
     *
     * @param mapping DOCUMENT ME!
     * @param form DOCUMENT ME!
     * @param request DOCUMENT ME!
     * @param response DOCUMENT ME!
     *
     * @return DOCUMENT ME!
     */
    public ActionForward process(ActionMapping mapping, ActionForm form,
        HttpServletRequest request, HttpServletResponse response)
        throws SystemException {
        HttpSession session = request.getSession();
        MessageForm messageForm = (MessageForm) form;
        User user = (User) session.getAttribute(IConst.SESSION.USER_KEY);
        ForumDAO dao = ForumDAO.getInstance();

        try {
            dao.setDataSource(getDataSource(request));

            boolean isUserMod = dao.checkMod(Integer.parseInt(
                        messageForm.getFid()), user);
            Forum currForum = dao.getForumInfo(Integer.parseInt(
                        messageForm.getFid()));

            //			check access rights if forum invisible
            if ((currForum.getLocked() == IConst.Forum.STATUS_INVISIBLE) &&
                    (user.getStatus() < Integer.parseInt(
                        Configurator.getInstance().get(IConst.CONFIG.INVADER1)))) {
                return (mapping.findForward("jgossip-denied"));
            }

            Topic currThread = dao.getThreadInfo(Integer.parseInt(
                        messageForm.getTid()));

            // check user access rights if current topic or completely forum is locked
            if (((currThread.getLocked() == IConst.Topic.STATUS_LOCKED) ||
                    (currForum.getLocked() == IConst.Forum.STATUS_COMPLETELY_LOCKED)) &&
                    (!isUserMod)) {
                return (mapping.findForward("jgossip-denied"));
            }

            Message mess = dao.getMessage(messageForm.getMid());
            session.removeAttribute(IConst.REQUEST.CURR_THREAD);

            if (mess == null) {
                return (new ActionForward("/ShowThread.do?fid=" +
                    messageForm.getFid() + "&tid=" + messageForm.getTid() +
                    "&block=" + messageForm.getBlock(), true));
            } else {
                // check user access rights
                if (dao.checkMod(Integer.parseInt(messageForm.getFid()), user) ||
                        (user.getName().equals(mess.getSender()) &&
                        (currThread.getLocked() == IConst.Topic.STATUS_UNLOCKED))) {
                    dao.updateMessage(messageForm);

                    //subscribe user to e-mail from this thread...
                    if (IConst.VALUES.TRUE.equals(messageForm.getSubscribe())) {
                        dao.subscribe(messageForm.getTid(),
                            user.getInfo().getEmail(), user.getName());
                    }

                    log(request, "logs.LOG28",
                        " mid=" + messageForm.getMid() + " tid=" +
                        messageForm.getTid() + " fid=" + messageForm.getFid());
                } else {
                    return (mapping.findForward("jgossip-denied"));
                }
            }
        } catch (SQLException sqle) {
            getServlet().log("Connection.process", sqle);
            throw new SystemException(sqle);
        }

        StringBuffer forward = new StringBuffer();
        forward.append("/ShowMessage.do?fid=");
        forward.append(messageForm.getFid());
        forward.append("&tid=");
        forward.append(messageForm.getTid());
        forward.append("&mid=");
        forward.append(messageForm.getMid());

        return (new ActionForward(forward.toString(), true));
    }
}