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.wiki.messaging;
24  
25  import com.liferay.mail.service.MailServiceUtil;
26  import com.liferay.portal.NoSuchUserException;
27  import com.liferay.portal.kernel.log.Log;
28  import com.liferay.portal.kernel.log.LogFactoryUtil;
29  import com.liferay.portal.kernel.mail.MailMessage;
30  import com.liferay.portal.kernel.messaging.Message;
31  import com.liferay.portal.kernel.messaging.MessageListener;
32  import com.liferay.portal.kernel.util.StringUtil;
33  import com.liferay.portal.model.Subscription;
34  import com.liferay.portal.model.User;
35  import com.liferay.portal.service.SubscriptionLocalServiceUtil;
36  import com.liferay.portal.service.UserLocalServiceUtil;
37  import com.liferay.portlet.wiki.model.WikiNode;
38  import com.liferay.portlet.wiki.model.WikiPage;
39  
40  import java.util.HashSet;
41  import java.util.List;
42  import java.util.Set;
43  
44  import javax.mail.internet.InternetAddress;
45  
46  /**
47   * <a href="WikiMessageListener.java.html"><b><i>View Source</i></b></a>
48   *
49   * @author Brian Wing Shun Chan
50   */
51  public class WikiMessageListener implements MessageListener {
52  
53      public void receive(Message message) {
54          try {
55              doReceive(message);
56          }
57          catch (Exception e) {
58              _log.error("Unable to process message " + message, e);
59          }
60      }
61  
62      protected void doReceive(Message message) throws Exception {
63          long companyId = message.getLong("companyId");
64          long userId = message.getLong("userId");
65          long nodeId = message.getLong("nodeId");
66          long pageResourcePrimKey = message.getLong("pageResourcePrimKey");
67          String fromName = message.getString("fromName");
68          String fromAddress = message.getString("fromAddress");
69          String subject = message.getString("subject");
70          String body = message.getString("body");
71          String replyToAddress = message.getString("replyToAddress");
72          String mailId = message.getString("mailId");
73          boolean htmlFormat = message.getBoolean("htmlFormat");
74  
75          Set<Long> sent = new HashSet<Long>();
76  
77          if (_log.isInfoEnabled()) {
78              _log.info(
79                  "Sending notifications for {mailId=" + mailId +
80                      ", pageResourcePrimKey=" + pageResourcePrimKey +
81                          ", nodeId=" + nodeId + "}");
82          }
83  
84          // Pages
85  
86          List<Subscription> subscriptions =
87              SubscriptionLocalServiceUtil.getSubscriptions(
88                  companyId, WikiPage.class.getName(), pageResourcePrimKey);
89  
90          sendEmail(
91              userId, fromName, fromAddress, subject, body, subscriptions, sent,
92              replyToAddress, mailId, htmlFormat);
93  
94          // Nodes
95  
96          subscriptions = SubscriptionLocalServiceUtil.getSubscriptions(
97              companyId, WikiNode.class.getName(), nodeId);
98  
99          sendEmail(
100             userId, fromName, fromAddress, subject, body, subscriptions, sent,
101             replyToAddress, mailId, htmlFormat);
102 
103         if (_log.isInfoEnabled()) {
104             _log.info("Finished sending notifications");
105         }
106     }
107 
108     protected void sendEmail(
109             long userId, String fromName, String fromAddress, String subject,
110             String body, List<Subscription> subscriptions, Set<Long> sent,
111             String replyToAddress, String mailId, boolean htmlFormat)
112         throws Exception {
113 
114         for (Subscription subscription : subscriptions) {
115             long subscribedUserId = subscription.getUserId();
116 
117             if (sent.contains(subscribedUserId)) {
118                 if (_log.isDebugEnabled()) {
119                     _log.debug(
120                         "Do not send a duplicate email to user " +
121                             subscribedUserId);
122                 }
123 
124                 continue;
125             }
126             else {
127                 if (_log.isDebugEnabled()) {
128                     _log.debug(
129                         "Add user " + subscribedUserId +
130                             " to the list of users who have received an email");
131                 }
132 
133                 sent.add(subscribedUserId);
134             }
135 
136             User user = null;
137 
138             try {
139                 user = UserLocalServiceUtil.getUserById(
140                     subscription.getUserId());
141             }
142             catch (NoSuchUserException nsue) {
143                 if (_log.isInfoEnabled()) {
144                     _log.info(
145                         "Subscription " + subscription.getSubscriptionId() +
146                             " is stale and will be deleted");
147                 }
148 
149                 SubscriptionLocalServiceUtil.deleteSubscription(
150                     subscription.getSubscriptionId());
151 
152                 continue;
153             }
154 
155             if (!user.isActive()) {
156                 continue;
157             }
158 
159             try {
160                 InternetAddress from = new InternetAddress(
161                     fromAddress, fromName);
162 
163                 InternetAddress to = new InternetAddress(
164                     user.getEmailAddress(), user.getFullName());
165 
166                 String curSubject = StringUtil.replace(
167                     subject,
168                     new String[] {
169                         "[$TO_ADDRESS$]",
170                         "[$TO_NAME$]"
171                     },
172                     new String[] {
173                         user.getFullName(),
174                         user.getEmailAddress()
175                     });
176 
177                 String curBody = StringUtil.replace(
178                     body,
179                     new String[] {
180                         "[$TO_ADDRESS$]",
181                         "[$TO_NAME$]"
182                     },
183                     new String[] {
184                         user.getFullName(),
185                         user.getEmailAddress()
186                     });
187 
188                 InternetAddress replyTo = new InternetAddress(
189                     replyToAddress, replyToAddress);
190 
191                 MailMessage message = new MailMessage(
192                     from, to, curSubject, curBody, htmlFormat);
193 
194                 message.setReplyTo(new InternetAddress[] {replyTo});
195                 message.setMessageId(mailId);
196 
197                 MailServiceUtil.sendEmail(message);
198             }
199             catch (Exception e) {
200                 _log.error(e);
201             }
202         }
203     }
204 
205     private static Log _log = LogFactoryUtil.getLog(WikiMessageListener.class);
206 
207 }