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.Iterator;
34  import java.util.List;
35  
36  /**
37   * <a href="MBMessageFlagLocalServiceImpl.java.html"><b><i>View Source</i></b>
38   * </a>
39   *
40   * @author Brian Wing Shun Chan
41   *
42   */
43  public class MBMessageFlagLocalServiceImpl
44      extends MBMessageFlagLocalServiceBaseImpl {
45  
46      public void addReadFlags(long userId, List messages)
47          throws PortalException, SystemException {
48  
49          User user = userPersistence.findByPrimaryKey(userId);
50  
51          if (user.isDefaultUser()) {
52              return;
53          }
54  
55          Iterator itr = messages.iterator();
56  
57          while (itr.hasNext()) {
58              MBMessage message = (MBMessage)itr.next();
59  
60              MBMessageFlag messageFlag = mbMessageFlagPersistence.fetchByU_M(
61                  userId, message.getMessageId());
62  
63              if (messageFlag == null) {
64                  long messageFlagId = counterLocalService.increment();
65  
66                  messageFlag = mbMessageFlagPersistence.create(messageFlagId);
67  
68                  messageFlag.setUserId(userId);
69                  messageFlag.setMessageId(message.getMessageId());
70                  messageFlag.setFlag(MBMessageFlagImpl.READ_FLAG);
71  
72                  mbMessageFlagPersistence.update(messageFlag);
73              }
74          }
75      }
76  
77      public void deleteFlags(long userId) throws SystemException {
78          mbMessageFlagPersistence.removeByUserId(userId);
79      }
80  
81      public boolean hasReadFlag(long userId, long messageId)
82          throws PortalException, SystemException {
83  
84          User user = userPersistence.findByPrimaryKey(userId);
85  
86          if (user.isDefaultUser()) {
87              return true;
88          }
89  
90          MBMessageFlag messageFlag = mbMessageFlagPersistence.fetchByU_M(
91              userId, messageId);
92  
93          if (messageFlag != null) {
94              return true;
95          }
96          else {
97              return false;
98          }
99      }
100 
101 }