1   /**
2    * Copyright (c) 2000-2010 Liferay, Inc. All rights reserved.
3    *
4    * This library is free software; you can redistribute it and/or modify it under
5    * the terms of the GNU Lesser General Public License as published by the Free
6    * Software Foundation; either version 2.1 of the License, or (at your option)
7    * any later version.
8    *
9    * This library is distributed in the hope that it will be useful, but WITHOUT
10   * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
11   * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
12   * details.
13   */
14  
15  package com.liferay.portlet.messageboards.service.impl;
16  
17  import com.liferay.portal.kernel.annotation.Propagation;
18  import com.liferay.portal.kernel.annotation.Transactional;
19  import com.liferay.portal.kernel.exception.PortalException;
20  import com.liferay.portal.kernel.exception.SystemException;
21  import com.liferay.portal.kernel.log.Log;
22  import com.liferay.portal.kernel.log.LogFactoryUtil;
23  import com.liferay.portal.model.User;
24  import com.liferay.portal.service.ServiceContext;
25  import com.liferay.portal.util.PropsValues;
26  import com.liferay.portlet.messageboards.BannedUserException;
27  import com.liferay.portlet.messageboards.NoSuchBanException;
28  import com.liferay.portlet.messageboards.model.MBBan;
29  import com.liferay.portlet.messageboards.service.base.MBBanLocalServiceBaseImpl;
30  import com.liferay.portlet.messageboards.util.MBUtil;
31  
32  import java.util.Date;
33  import java.util.List;
34  
35  /**
36   * <a href="MBBanLocalServiceImpl.java.html"><b><i>View Source</i></b></a>
37   *
38   * @author Brian Wing Shun Chan
39   */
40  public class MBBanLocalServiceImpl extends MBBanLocalServiceBaseImpl {
41  
42      public MBBan addBan(
43              long userId, long banUserId, ServiceContext serviceContext)
44          throws PortalException, SystemException {
45  
46          User user = userPersistence.findByPrimaryKey(userId);
47          long groupId = serviceContext.getScopeGroupId();
48          Date now = new Date();
49  
50          long banId = counterLocalService.increment();
51  
52          MBBan ban = mbBanPersistence.fetchByG_B(groupId, banUserId);
53  
54          if (ban == null) {
55              ban = mbBanPersistence.create(banId);
56  
57              ban.setGroupId(groupId);
58              ban.setCompanyId(user.getCompanyId());
59              ban.setUserId(user.getUserId());
60              ban.setUserName(user.getFullName());
61              ban.setCreateDate(now);
62              ban.setBanUserId(banUserId);
63          }
64  
65          ban.setModifiedDate(now);
66  
67          mbBanPersistence.update(ban, false);
68  
69          return ban;
70      }
71  
72      @Transactional(propagation = Propagation.SUPPORTS, readOnly = true)
73      public void checkBan(long groupId, long banUserId)
74          throws PortalException, SystemException {
75  
76          if (hasBan(groupId, banUserId)) {
77              throw new BannedUserException();
78          }
79      }
80  
81      public void deleteBan(long banUserId, ServiceContext serviceContext)
82          throws SystemException {
83  
84          long groupId = serviceContext.getScopeGroupId();
85  
86          try {
87              mbBanPersistence.removeByG_B(groupId, banUserId);
88          }
89          catch (NoSuchBanException nsbe) {
90          }
91      }
92  
93      public void deleteBansByBanUserId(long banUserId) throws SystemException {
94          mbBanPersistence.removeByBanUserId(banUserId);
95      }
96  
97      public void deleteBansByGroupId(long groupId) throws SystemException {
98          mbBanPersistence.removeByGroupId(groupId);
99      }
100 
101     public void expireBans() throws SystemException {
102         if (PropsValues.MESSAGE_BOARDS_EXPIRE_BAN_INTERVAL <= 0) {
103             return;
104         }
105 
106         long now = System.currentTimeMillis();
107 
108         List<MBBan> bans = mbBanPersistence.findAll();
109 
110         for (MBBan ban : bans) {
111             long unbanDate = MBUtil.getUnbanDate(
112                 ban, PropsValues.MESSAGE_BOARDS_EXPIRE_BAN_INTERVAL).getTime();
113 
114             if (now >= unbanDate) {
115                 if (_log.isDebugEnabled()) {
116                     _log.debug(
117                         "Auto expiring ban " + ban.getBanId() + " on user " +
118                             ban.getBanUserId());
119                 }
120 
121                 mbBanPersistence.remove(ban);
122             }
123         }
124     }
125 
126     public List<MBBan> getBans(long groupId, int start, int end)
127         throws SystemException {
128 
129         return mbBanPersistence.findByGroupId(groupId, start, end);
130     }
131 
132     public int getBansCount(long groupId) throws SystemException {
133         return mbBanPersistence.countByGroupId(groupId);
134     }
135 
136     public boolean hasBan(long groupId, long banUserId)
137         throws SystemException {
138 
139         if (mbBanPersistence.fetchByG_B(groupId, banUserId) == null) {
140             return false;
141         }
142         else {
143             return true;
144         }
145     }
146 
147     private static Log _log = LogFactoryUtil.getLog(
148         MBBanLocalServiceImpl.class);
149 
150 }