1   /**
2    * Copyright (c) 2000-2008 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.model.User;
28  import com.liferay.portlet.messageboards.model.MBMessage;
29  import com.liferay.portlet.messageboards.model.MBMessageFlag;
30  import com.liferay.portlet.messageboards.model.impl.MBMessageFlagImpl;
31  import com.liferay.portlet.messageboards.service.base.MBMessageFlagLocalServiceBaseImpl;
32  
33  import java.util.List;
34  
35  /**
36   * <a href="MBMessageFlagLocalServiceImpl.java.html"><b><i>View Source</i></b>
37   * </a>
38   *
39   * @author Brian Wing Shun Chan
40   *
41   */
42  public class MBMessageFlagLocalServiceImpl
43      extends MBMessageFlagLocalServiceBaseImpl {
44  
45      public void addReadFlags(long userId, List<MBMessage> messages)
46          throws PortalException, SystemException {
47  
48          User user = userPersistence.findByPrimaryKey(userId);
49  
50          if (user.isDefaultUser()) {
51              return;
52          }
53  
54          for (MBMessage message : messages) {
55              MBMessageFlag messageFlag = mbMessageFlagPersistence.fetchByU_M(
56                  userId, message.getMessageId());
57  
58              if (messageFlag == null) {
59                  long messageFlagId = counterLocalService.increment();
60  
61                  messageFlag = mbMessageFlagPersistence.create(messageFlagId);
62  
63                  messageFlag.setUserId(userId);
64                  messageFlag.setMessageId(message.getMessageId());
65                  messageFlag.setFlag(MBMessageFlagImpl.READ_FLAG);
66  
67                  mbMessageFlagPersistence.update(messageFlag, false);
68              }
69          }
70      }
71  
72      public void deleteFlags(long userId) throws SystemException {
73          mbMessageFlagPersistence.removeByUserId(userId);
74      }
75  
76      public boolean hasReadFlag(long userId, long messageId)
77          throws PortalException, SystemException {
78  
79          User user = userPersistence.findByPrimaryKey(userId);
80  
81          if (user.isDefaultUser()) {
82              return true;
83          }
84  
85          MBMessageFlag messageFlag = mbMessageFlagPersistence.fetchByU_M(
86              userId, messageId);
87  
88          if (messageFlag != null) {
89              return true;
90          }
91          else {
92              return false;
93          }
94      }
95  
96  }