1   /**
2    * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3    *
4    *
5    *
6    *
7    * The contents of this file are subject to the terms of the Liferay Enterprise
8    * Subscription License ("License"). You may not use this file except in
9    * compliance with the License. You can obtain a copy of the License by
10   * contacting Liferay, Inc. See the License for the specific language governing
11   * permissions and limitations under the License, including but not limited to
12   * distribution rights 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  public class MBBanLocalServiceImpl extends MBBanLocalServiceBaseImpl {
49  
50      public MBBan addBan(
51              long userId, long banUserId, ServiceContext serviceContext)
52          throws PortalException, SystemException {
53  
54          User user = userPersistence.findByPrimaryKey(userId);
55          long groupId = serviceContext.getScopeGroupId();
56          Date now = new Date();
57  
58          long banId = counterLocalService.increment();
59  
60          MBBan ban = mbBanPersistence.fetchByG_B(groupId, banUserId);
61  
62          if (ban == null) {
63              ban = mbBanPersistence.create(banId);
64  
65              ban.setGroupId(groupId);
66              ban.setCompanyId(user.getCompanyId());
67              ban.setUserId(user.getUserId());
68              ban.setUserName(user.getFullName());
69              ban.setCreateDate(now);
70              ban.setBanUserId(banUserId);
71          }
72  
73          ban.setModifiedDate(now);
74  
75          mbBanPersistence.update(ban, false);
76  
77          return ban;
78      }
79  
80      @Transactional(propagation = Propagation.SUPPORTS, readOnly = true)
81      public void checkBan(long groupId, long banUserId)
82          throws PortalException, SystemException {
83  
84          if (hasBan(groupId, banUserId)) {
85              throw new BannedUserException();
86          }
87      }
88  
89      public void deleteBan(long banUserId, ServiceContext serviceContext)
90          throws SystemException {
91  
92          long groupId = serviceContext.getScopeGroupId();
93  
94          try {
95              mbBanPersistence.removeByG_B(groupId, banUserId);
96          }
97          catch (NoSuchBanException nsbe) {
98          }
99      }
100 
101     public void deleteBansByBanUserId(long banUserId) throws SystemException {
102         mbBanPersistence.removeByBanUserId(banUserId);
103     }
104 
105     public void deleteBansByGroupId(long groupId) throws SystemException {
106         mbBanPersistence.removeByGroupId(groupId);
107     }
108 
109     public void expireBans() throws SystemException {
110         long now = System.currentTimeMillis();
111 
112         List<MBBan> bans = mbBanPersistence.findAll();
113 
114         for (MBBan ban : bans) {
115             long unbanDate = MBUtil.getUnbanDate(
116                 ban, PropsValues.MESSAGE_BOARDS_EXPIRE_BAN_INTERVAL).getTime();
117 
118             if (now >= unbanDate) {
119                 if (_log.isDebugEnabled()) {
120                     _log.debug(
121                         "Auto expiring ban " + ban.getBanId() + " on user " +
122                             ban.getBanUserId());
123                 }
124 
125                 mbBanPersistence.remove(ban);
126             }
127         }
128     }
129 
130     public List<MBBan> getBans(long groupId, int start, int end)
131         throws SystemException {
132 
133         return mbBanPersistence.findByGroupId(groupId, start, end);
134     }
135 
136     public int getBansCount(long groupId) throws SystemException {
137         return mbBanPersistence.countByGroupId(groupId);
138     }
139 
140     public boolean hasBan(long groupId, long banUserId)
141         throws SystemException {
142 
143         if (mbBanPersistence.fetchByG_B(groupId, banUserId) == null) {
144             return false;
145         }
146         else {
147             return true;
148         }
149     }
150 
151     private static Log _log =
152         LogFactoryUtil.getLog(MBBanLocalServiceImpl.class);
153 
154 }