forumwebhandler.java

easy to use, easy to setup bulletin board (forum)

/*
 * Copyright (C) 2002 by MyVietnam.net
 *
 * 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 2
 * of the License, or any later version.
 *
 * All copyright notices regarding mvnForum
 * must remain intact in the scripts and in the outputted HTML
 * The "powered by" text/logo with a link back to
 * http://www.mvnForum.com and http://www.MyVietnam.net in the footer of the pages MUST
 * remain visible when the pages are viewed on the internet or intranet.
 *
 * 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, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 *
 * Support can be obtained from support forums at:
 * http://www.mvnForum.com/mvnforum/index
 *
 * Correspondence and Marketing Questions can be sent to:
 * [e-mail]
 *
 * @author: Minh Nguyen  [e-mail]
 * @author: Mai  Nguyen  [e-mail]
 */
package net.myvietnam.mvnplugin.mvnforum.admin;

import javax.servlet.http.*;
import java.sql.*;
import java.util.Collection;
import net.myvietnam.mvncore.exception.*;
import net.myvietnam.mvncore.util.ParamUtil;
import net.myvietnam.mvncore.util.DateUtil;
import net.myvietnam.mvnplugin.mvnforum.db.ForumBean;
import net.myvietnam.mvnplugin.mvnforum.auth.*;

class ForumWebHandler {

    private OnlineUserManager onlineUserManager = OnlineUserManager.getInstance();

    ForumWebHandler() {
    }

    void processAdd(HttpServletRequest request)
        throws BadInputException, CreateException, DatabaseException, DuplicateKeyException,
        ForeignKeyNotFoundException, AuthenticationException, AssertionException {

        OnlineUser onlineUser = onlineUserManager.getOnlineUser(request);
        MVNForumPermission permission = onlineUser.getPermission();
        permission.ensureCanNewForum();

        Timestamp now = DateUtil.getCurrentGMTTimestamp();

        int categoryID              = ParamUtil.getParameterInt(request, "CategoryID");
        String forumName            = ParamUtil.getParameterSafe(request, "ForumName", true);
        String forumDesc            = ParamUtil.getParameterSafe(request, "ForumDesc", false);
        int forumType               = 0;//xem lai
        int forumFormatOption       = 0;//xem lai
        int forumOption             = 0;//xem lai
        int forumStatus             = 0;//xem lai
        int forumModerationMode     = 0;//xem lai
        String forumPassword        = "";//xem lai

        ForumWebHelper.createForum(categoryID, ""/*lastPostMemberName*/, forumName,
                                  forumDesc, now/*forumCreationDate*/, now/*forumModifiedDate*/,
                                  now/*forumLastPostDate*/, 0/*forumOrder*/, forumType,
                                  forumFormatOption, forumOption, forumStatus,
                                  forumModerationMode, forumPassword, 0/*forumThreadCount*/,
                                  0/*forumPostCount*/);

        request.setAttribute("ForumName", forumName);
    }

    public void prepareEdit(HttpServletRequest request)
        throws BadInputException, DatabaseException, AuthenticationException, AssertionException {

        OnlineUser onlineUser = onlineUserManager.getOnlineUser(request);
        MVNForumPermission permission = onlineUser.getPermission();
        permission.ensureCanEditForum();

        // primary key column(s)
        int forumID = ParamUtil.getParameterInt(request, "forum");

        ForumBean bean = ForumWebHelper.getForum(forumID);

        request.setAttribute("ForumBean", bean);
    }

    public void processUpdate(HttpServletRequest request)
        throws BadInputException, DatabaseException, DuplicateKeyException,
        ForeignKeyNotFoundException, AuthenticationException, AssertionException {

        OnlineUser onlineUser = onlineUserManager.getOnlineUser(request);
        MVNForumPermission permission = onlineUser.getPermission();
        permission.ensureCanEditForum();

        Timestamp now = DateUtil.getCurrentGMTTimestamp();

        // primary key column(s)
        int forumID                 = ParamUtil.getParameterInt(request, "ForumID");

        // column(s) to update
        int categoryID              = ParamUtil.getParameterInt(request, "CategoryID");
        String forumName            = ParamUtil.getParameterSafe(request, "ForumName", true);
        String forumDesc            = ParamUtil.getParameterSafe(request, "ForumDesc", false);
        Timestamp forumModifiedDate = now;
        int forumOrder              = ParamUtil.getParameterInt(request, "ForumOrder");
        if (forumOrder < 0) {
            throw new BadInputException("ForumOrder cannot be negative");
        }
        int forumType               = 0;//ParamUtil.getParameterInt(request, "ForumType");
        int forumFormatOption       = 0;//ParamUtil.getParameterInt(request, "ForumFormatOption");
        int forumOption             = 0;//ParamUtil.getParameterInt(request, "ForumOption");
        int forumStatus             = 0;//ParamUtil.getParameterInt(request, "ForumStatus");
        int forumModerationMode     = 0;//ParamUtil.getParameterInt(request, "ForumModerationMode");

        ForumWebHelper.updateForum(forumID, // primary key
                                  categoryID, forumName, forumDesc,
                                  forumModifiedDate, forumOrder, forumType,
                                  forumFormatOption, forumOption, forumStatus,
                                  forumModerationMode);
    }

    /**
     * @todo: check permission
     */
    public void processUpdateForumOrder(HttpServletRequest request)
        throws BadInputException, DatabaseException, DuplicateKeyException,
        AuthenticationException, AssertionException {

        OnlineUser onlineUser = onlineUserManager.getOnlineUser(request);
        MVNForumPermission permission = onlineUser.getPermission();
        permission.ensureCanEditForum();

        Timestamp now = DateUtil.getCurrentGMTTimestamp();

        // primary key column(s)
        int forumID                  = ParamUtil.getParameterInt(request, "forum");

        String action                   = ParamUtil.getParameterSafe(request, "action", true);
        if (action.equals("up")) {
            ForumWebHelper.decreaseForumOrder(forumID, now);
        } else if (action.equals("down")) {
            ForumWebHelper.increaseForumOrder(forumID, now);
        } else {
            throw new BadInputException("Cannot update ForumOrder: unknown action: " + action);
        }
    }

    public void prepareList(HttpServletRequest request)
        throws DatabaseException, AuthenticationException, AssertionException {

        OnlineUser onlineUser = onlineUserManager.getOnlineUser(request);
        MVNForumPermission permission = onlineUser.getPermission();
        /** @todo is this a correct permission ??? */
        permission.ensureCanEditForum();

        Collection beans = ForumWebHelper.getForums();

        request.setAttribute("ForumBeans", beans);
    }
}