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.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_F(
56                  userId, message.getMessageId(), MBMessageFlagImpl.READ_FLAG);
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 addQuestionFlag(long messageId)
73          throws PortalException, SystemException {
74  
75          MBMessage message = mbMessagePersistence.findByPrimaryKey(messageId);
76  
77          if (!message.isRoot()) {
78              return;
79          }
80  
81          MBMessageFlag questionMessageFlag =
82              mbMessageFlagPersistence.fetchByU_M_F(
83                  message.getUserId(), message.getMessageId(),
84                  MBMessageFlagImpl.QUESTION_FLAG);
85  
86          MBMessageFlag answerMessageFlag =
87              mbMessageFlagPersistence.fetchByU_M_F(
88                  message.getUserId(), message.getMessageId(),
89                  MBMessageFlagImpl.ANSWER_FLAG);
90  
91          if ((questionMessageFlag == null) && (answerMessageFlag == null)) {
92              long messageFlagId = counterLocalService.increment();
93  
94              questionMessageFlag = mbMessageFlagPersistence.create(
95                  messageFlagId);
96  
97              questionMessageFlag.setUserId(message.getUserId());
98              questionMessageFlag.setMessageId(message.getMessageId());
99              questionMessageFlag.setFlag(MBMessageFlagImpl.QUESTION_FLAG);
100 
101             mbMessageFlagPersistence.update(questionMessageFlag, false);
102         }
103     }
104 
105     public void deleteFlags(long userId) throws SystemException {
106         mbMessageFlagPersistence.removeByUserId(userId);
107     }
108 
109     public void deleteFlags(long messageId, int flag) throws SystemException {
110         mbMessageFlagPersistence.removeByM_F(messageId, flag);
111     }
112 
113     public void deleteQuestionAndAnswerFlags(long threadId)
114         throws SystemException {
115 
116         List<MBMessage> messages = mbMessagePersistence.findByThreadId(
117             threadId);
118 
119         for (MBMessage message : messages) {
120             if (message.isRoot()) {
121                 mbMessageFlagPersistence.removeByM_F(
122                     message.getMessageId(), MBMessageFlagImpl.QUESTION_FLAG);
123             }
124 
125             mbMessageFlagPersistence.removeByM_F(
126                 message.getMessageId(), MBMessageFlagImpl.ANSWER_FLAG);
127         }
128     }
129 
130     public boolean hasAnswerFlag(long messageId) throws SystemException {
131         int count = mbMessageFlagPersistence.countByM_F(
132             messageId, MBMessageFlagImpl.ANSWER_FLAG);
133 
134         if (count > 0) {
135             return true;
136         }
137         else {
138             return false;
139         }
140     }
141 
142     public boolean hasQuestionFlag(long messageId) throws SystemException {
143         int count = mbMessageFlagPersistence.countByM_F(
144             messageId, MBMessageFlagImpl.QUESTION_FLAG);
145 
146         if (count > 0) {
147             return true;
148         }
149         else {
150             return false;
151         }
152     }
153 
154     public boolean hasReadFlag(long userId, long messageId)
155         throws PortalException, SystemException {
156 
157         User user = userPersistence.findByPrimaryKey(userId);
158 
159         if (user.isDefaultUser()) {
160             return true;
161         }
162 
163         MBMessageFlag messageFlag = mbMessageFlagPersistence.fetchByU_M_F(
164             userId, messageId, MBMessageFlagImpl.READ_FLAG);
165 
166         if (messageFlag != null) {
167             return true;
168         }
169         else {
170             return false;
171         }
172     }
173 
174 }