001    /**
002     * Copyright (c) 2000-2010 Liferay, Inc. All rights reserved.
003     *
004     * This library is free software; you can redistribute it and/or modify it under
005     * the terms of the GNU Lesser General Public License as published by the Free
006     * Software Foundation; either version 2.1 of the License, or (at your option)
007     * any later version.
008     *
009     * This library is distributed in the hope that it will be useful, but WITHOUT
010     * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
011     * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
012     * details.
013     */
014    
015    package com.liferay.portlet.messageboards.service.impl;
016    
017    import com.liferay.portal.kernel.annotation.Propagation;
018    import com.liferay.portal.kernel.annotation.Transactional;
019    import com.liferay.portal.kernel.exception.PortalException;
020    import com.liferay.portal.kernel.exception.SystemException;
021    import com.liferay.portal.kernel.log.Log;
022    import com.liferay.portal.kernel.log.LogFactoryUtil;
023    import com.liferay.portal.model.User;
024    import com.liferay.portal.service.ServiceContext;
025    import com.liferay.portal.util.PropsValues;
026    import com.liferay.portlet.messageboards.BannedUserException;
027    import com.liferay.portlet.messageboards.NoSuchBanException;
028    import com.liferay.portlet.messageboards.model.MBBan;
029    import com.liferay.portlet.messageboards.service.base.MBBanLocalServiceBaseImpl;
030    import com.liferay.portlet.messageboards.util.MBUtil;
031    
032    import java.util.Date;
033    import java.util.List;
034    
035    /**
036     * @author Brian Wing Shun Chan
037     */
038    public class MBBanLocalServiceImpl extends MBBanLocalServiceBaseImpl {
039    
040            public MBBan addBan(
041                            long userId, long banUserId, ServiceContext serviceContext)
042                    throws PortalException, SystemException {
043    
044                    User user = userPersistence.findByPrimaryKey(userId);
045                    long groupId = serviceContext.getScopeGroupId();
046                    Date now = new Date();
047    
048                    long banId = counterLocalService.increment();
049    
050                    MBBan ban = mbBanPersistence.fetchByG_B(groupId, banUserId);
051    
052                    if (ban == null) {
053                            ban = mbBanPersistence.create(banId);
054    
055                            ban.setGroupId(groupId);
056                            ban.setCompanyId(user.getCompanyId());
057                            ban.setUserId(user.getUserId());
058                            ban.setUserName(user.getFullName());
059                            ban.setCreateDate(serviceContext.getCreateDate(now));
060                            ban.setBanUserId(banUserId);
061                    }
062    
063                    ban.setModifiedDate(serviceContext.getModifiedDate(now));
064    
065                    mbBanPersistence.update(ban, false);
066    
067                    return ban;
068            }
069    
070            @Transactional(propagation = Propagation.SUPPORTS, readOnly = true)
071            public void checkBan(long groupId, long banUserId)
072                    throws PortalException, SystemException {
073    
074                    if (hasBan(groupId, banUserId)) {
075                            throw new BannedUserException();
076                    }
077            }
078    
079            public void deleteBan(long banUserId, ServiceContext serviceContext)
080                    throws SystemException {
081    
082                    long groupId = serviceContext.getScopeGroupId();
083    
084                    try {
085                            mbBanPersistence.removeByG_B(groupId, banUserId);
086                    }
087                    catch (NoSuchBanException nsbe) {
088                    }
089            }
090    
091            public void deleteBansByBanUserId(long banUserId) throws SystemException {
092                    mbBanPersistence.removeByBanUserId(banUserId);
093            }
094    
095            public void deleteBansByGroupId(long groupId) throws SystemException {
096                    mbBanPersistence.removeByGroupId(groupId);
097            }
098    
099            public void expireBans() throws SystemException {
100                    if (PropsValues.MESSAGE_BOARDS_EXPIRE_BAN_INTERVAL <= 0) {
101                            return;
102                    }
103    
104                    long now = System.currentTimeMillis();
105    
106                    List<MBBan> bans = mbBanPersistence.findAll();
107    
108                    for (MBBan ban : bans) {
109                            long unbanDate = MBUtil.getUnbanDate(
110                                    ban, PropsValues.MESSAGE_BOARDS_EXPIRE_BAN_INTERVAL).getTime();
111    
112                            if (now >= unbanDate) {
113                                    if (_log.isDebugEnabled()) {
114                                            _log.debug(
115                                                    "Auto expiring ban " + ban.getBanId() + " on user " +
116                                                            ban.getBanUserId());
117                                    }
118    
119                                    mbBanPersistence.remove(ban);
120                            }
121                    }
122            }
123    
124            public List<MBBan> getBans(long groupId, int start, int end)
125                    throws SystemException {
126    
127                    return mbBanPersistence.findByGroupId(groupId, start, end);
128            }
129    
130            public int getBansCount(long groupId) throws SystemException {
131                    return mbBanPersistence.countByGroupId(groupId);
132            }
133    
134            public boolean hasBan(long groupId, long banUserId)
135                    throws SystemException {
136    
137                    if (mbBanPersistence.fetchByG_B(groupId, banUserId) == null) {
138                            return false;
139                    }
140                    else {
141                            return true;
142                    }
143            }
144    
145            private static Log _log = LogFactoryUtil.getLog(
146                    MBBanLocalServiceImpl.class);
147    
148    }