1   /**
2    * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3    *
4    * Permission is hereby granted, free of charge, to any person obtaining a copy
5    * of this software and associated documentation files (the "Software"), to deal
6    * in the Software without restriction, including without limitation the rights
7    * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
8    * copies of the Software, and to permit persons to whom the Software is
9    * furnished to do so, subject to the following conditions:
10   *
11   * The above copyright notice and this permission notice shall be included in
12   * all copies or substantial portions of the Software.
13   *
14   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20   * SOFTWARE.
21   */
22  
23  package com.liferay.portlet.messageboards.service.impl;
24  
25  import com.liferay.portal.PortalException;
26  import com.liferay.portal.SystemException;
27  import com.liferay.portal.kernel.annotation.Propagation;
28  import com.liferay.portal.kernel.annotation.Transactional;
29  import com.liferay.portal.kernel.log.Log;
30  import com.liferay.portal.kernel.log.LogFactoryUtil;
31  import com.liferay.portal.model.User;
32  import com.liferay.portal.service.ServiceContext;
33  import com.liferay.portal.util.PropsValues;
34  import com.liferay.portlet.messageboards.BannedUserException;
35  import com.liferay.portlet.messageboards.NoSuchBanException;
36  import com.liferay.portlet.messageboards.model.MBBan;
37  import com.liferay.portlet.messageboards.service.base.MBBanLocalServiceBaseImpl;
38  import com.liferay.portlet.messageboards.util.MBUtil;
39  
40  import java.util.Date;
41  import java.util.List;
42  
43  /**
44   * <a href="MBBanLocalServiceImpl.java.html"><b><i>View Source</i></b></a>
45   *
46   * @author Brian Wing Shun Chan
47   *
48   */
49  public class MBBanLocalServiceImpl extends MBBanLocalServiceBaseImpl {
50  
51      public MBBan addBan(
52              long userId, long banUserId, ServiceContext serviceContext)
53          throws PortalException, SystemException {
54  
55          User user = userPersistence.findByPrimaryKey(userId);
56          long groupId = serviceContext.getScopeGroupId();
57          Date now = new Date();
58  
59          long banId = counterLocalService.increment();
60  
61          MBBan ban = mbBanPersistence.fetchByG_B(groupId, banUserId);
62  
63          if (ban == null) {
64              ban = mbBanPersistence.create(banId);
65  
66              ban.setGroupId(groupId);
67              ban.setCompanyId(user.getCompanyId());
68              ban.setUserId(user.getUserId());
69              ban.setUserName(user.getFullName());
70              ban.setCreateDate(now);
71              ban.setBanUserId(banUserId);
72          }
73  
74          ban.setModifiedDate(now);
75  
76          mbBanPersistence.update(ban, false);
77  
78          return ban;
79      }
80  
81      @Transactional(propagation = Propagation.SUPPORTS, readOnly = true)
82      public void checkBan(long groupId, long banUserId)
83          throws PortalException, SystemException {
84  
85          if (hasBan(groupId, banUserId)) {
86              throw new BannedUserException();
87          }
88      }
89  
90      public void deleteBan(long banUserId, ServiceContext serviceContext)
91          throws SystemException {
92  
93          long groupId = serviceContext.getScopeGroupId();
94  
95          try {
96              mbBanPersistence.removeByG_B(groupId, banUserId);
97          }
98          catch (NoSuchBanException nsbe) {
99          }
100     }
101 
102     public void deleteBansByBanUserId(long banUserId) throws SystemException {
103         mbBanPersistence.removeByBanUserId(banUserId);
104     }
105 
106     public void deleteBansByGroupId(long groupId) throws SystemException {
107         mbBanPersistence.removeByGroupId(groupId);
108     }
109 
110     public void expireBans() throws SystemException {
111         long now = System.currentTimeMillis();
112 
113         List<MBBan> bans = mbBanPersistence.findAll();
114 
115         for (MBBan ban : bans) {
116             long unbanDate = MBUtil.getUnbanDate(
117                 ban, PropsValues.MESSAGE_BOARDS_EXPIRE_BAN_INTERVAL).getTime();
118 
119             if (now >= unbanDate) {
120                 if (_log.isDebugEnabled()) {
121                     _log.debug(
122                         "Auto expiring ban " + ban.getBanId() + " on user " +
123                             ban.getBanUserId());
124                 }
125 
126                 mbBanPersistence.remove(ban);
127             }
128         }
129     }
130 
131     public List<MBBan> getBans(long groupId, int start, int end)
132         throws SystemException {
133 
134         return mbBanPersistence.findByGroupId(groupId, start, end);
135     }
136 
137     public int getBansCount(long groupId) throws SystemException {
138         return mbBanPersistence.countByGroupId(groupId);
139     }
140 
141     public boolean hasBan(long groupId, long banUserId)
142         throws SystemException {
143 
144         if (mbBanPersistence.fetchByG_B(groupId, banUserId) == null) {
145             return false;
146         }
147         else {
148             return true;
149         }
150     }
151 
152     private static Log _log =
153          LogFactoryUtil.getLog(MBBanLocalServiceImpl.class);
154 
155 }