001    /**
002     * Copyright (c) 2000-2013 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.exception.PortalException;
018    import com.liferay.portal.kernel.exception.SystemException;
019    import com.liferay.portal.kernel.log.Log;
020    import com.liferay.portal.kernel.log.LogFactoryUtil;
021    import com.liferay.portal.kernel.transaction.Propagation;
022    import com.liferay.portal.kernel.transaction.Transactional;
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.setUuid(serviceContext.getUuid());
056                            ban.setGroupId(groupId);
057                            ban.setCompanyId(user.getCompanyId());
058                            ban.setUserId(user.getUserId());
059                            ban.setUserName(user.getFullName());
060                            ban.setCreateDate(serviceContext.getCreateDate(now));
061                            ban.setBanUserId(banUserId);
062                    }
063    
064                    ban.setModifiedDate(serviceContext.getModifiedDate(now));
065    
066                    mbBanPersistence.update(ban);
067    
068                    return ban;
069            }
070    
071            @Transactional(propagation = Propagation.SUPPORTS, readOnly = true)
072            public void checkBan(long groupId, long banUserId)
073                    throws PortalException, SystemException {
074    
075                    if (hasBan(groupId, banUserId)) {
076                            throw new BannedUserException();
077                    }
078            }
079    
080            public void deleteBan(long banId) throws PortalException, SystemException {
081                    MBBan ban = mbBanPersistence.findByPrimaryKey(banId);
082    
083                    deleteBan(ban);
084            }
085    
086            public void deleteBan(long banUserId, ServiceContext serviceContext)
087                    throws SystemException {
088    
089                    long groupId = serviceContext.getScopeGroupId();
090    
091                    try {
092                            MBBan ban = mbBanPersistence.findByG_B(groupId, banUserId);
093    
094                            deleteBan(ban);
095                    }
096                    catch (NoSuchBanException nsbe) {
097                    }
098            }
099    
100            public void deleteBan(MBBan ban) throws SystemException {
101                    mbBanPersistence.remove(ban);
102            }
103    
104            public void deleteBansByBanUserId(long banUserId) throws SystemException {
105                    List<MBBan> bans = mbBanPersistence.findByBanUserId(banUserId);
106    
107                    for (MBBan ban : bans) {
108                            deleteBan(ban);
109                    }
110            }
111    
112            public void deleteBansByGroupId(long groupId) throws SystemException {
113                    List<MBBan> bans = mbBanPersistence.findByGroupId(groupId);
114    
115                    for (MBBan ban : bans) {
116                            deleteBan(ban);
117                    }
118            }
119    
120            public void expireBans() throws SystemException {
121                    if (PropsValues.MESSAGE_BOARDS_EXPIRE_BAN_INTERVAL <= 0) {
122                            return;
123                    }
124    
125                    long now = System.currentTimeMillis();
126    
127                    List<MBBan> bans = mbBanPersistence.findAll();
128    
129                    for (MBBan ban : bans) {
130                            long unbanDate = MBUtil.getUnbanDate(
131                                    ban, PropsValues.MESSAGE_BOARDS_EXPIRE_BAN_INTERVAL).getTime();
132    
133                            if (now >= unbanDate) {
134                                    if (_log.isDebugEnabled()) {
135                                            _log.debug(
136                                                    "Auto expiring ban " + ban.getBanId() + " on user " +
137                                                            ban.getBanUserId());
138                                    }
139    
140                                    mbBanPersistence.remove(ban);
141                            }
142                    }
143            }
144    
145            public List<MBBan> getBans(long groupId, int start, int end)
146                    throws SystemException {
147    
148                    return mbBanPersistence.findByGroupId(groupId, start, end);
149            }
150    
151            public int getBansCount(long groupId) throws SystemException {
152                    return mbBanPersistence.countByGroupId(groupId);
153            }
154    
155            public boolean hasBan(long groupId, long banUserId) throws SystemException {
156                    if (mbBanPersistence.fetchByG_B(groupId, banUserId) == null) {
157                            return false;
158                    }
159                    else {
160                            return true;
161                    }
162            }
163    
164            private static Log _log = LogFactoryUtil.getLog(
165                    MBBanLocalServiceImpl.class);
166    
167    }