1   /**
2    * Copyright (c) 2000-2007 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.counter.service.CounterLocalServiceUtil;
26  import com.liferay.portal.PortalException;
27  import com.liferay.portal.SystemException;
28  import com.liferay.portal.model.User;
29  import com.liferay.portal.service.UserLocalServiceUtil;
30  import com.liferay.portlet.messageboards.model.MBMessage;
31  import com.liferay.portlet.messageboards.model.MBMessageFlag;
32  import com.liferay.portlet.messageboards.model.impl.MBMessageFlagImpl;
33  import com.liferay.portlet.messageboards.service.base.MBMessageFlagLocalServiceBaseImpl;
34  import com.liferay.portlet.messageboards.service.persistence.MBMessageFlagUtil;
35  
36  import java.util.Iterator;
37  import java.util.List;
38  
39  /**
40   * <a href="MBMessageFlagLocalServiceImpl.java.html"><b><i>View Source</i></b>
41   * </a>
42   *
43   * @author Brian Wing Shun Chan
44   *
45   */
46  public class MBMessageFlagLocalServiceImpl
47      extends MBMessageFlagLocalServiceBaseImpl {
48  
49      public void addReadFlags(long userId, List messages)
50          throws PortalException, SystemException {
51  
52          User user = UserLocalServiceUtil.getUserById(userId);
53  
54          if (user.isDefaultUser()) {
55              return;
56          }
57  
58          Iterator itr = messages.iterator();
59  
60          while (itr.hasNext()) {
61              MBMessage message = (MBMessage)itr.next();
62  
63              MBMessageFlag messageFlag = MBMessageFlagUtil.fetchByU_M(
64                  userId, message.getMessageId());
65  
66              if (messageFlag == null) {
67                  long messageFlagId = CounterLocalServiceUtil.increment();
68  
69                  messageFlag = MBMessageFlagUtil.create(messageFlagId);
70  
71                  messageFlag.setUserId(userId);
72                  messageFlag.setMessageId(message.getMessageId());
73                  messageFlag.setFlag(MBMessageFlagImpl.READ_FLAG);
74  
75                  MBMessageFlagUtil.update(messageFlag);
76              }
77          }
78      }
79  
80      public void deleteFlags(long userId) throws SystemException {
81          MBMessageFlagUtil.removeByUserId(userId);
82      }
83  
84      public boolean hasReadFlag(long userId, long messageId)
85          throws PortalException, SystemException {
86  
87          User user = UserLocalServiceUtil.getUserById(userId);
88  
89          if (user.isDefaultUser()) {
90              return true;
91          }
92  
93          MBMessageFlag messageFlag = MBMessageFlagUtil.fetchByU_M(
94              userId, messageId);
95  
96          if (messageFlag != null) {
97              return true;
98          }
99          else {
100             return false;
101         }
102     }
103 
104 }