1   /**
2    * Copyright (c) 2000-2010 Liferay, Inc. All rights reserved.
3    *
4    * The contents of this file are subject to the terms of the Liferay Enterprise
5    * Subscription License ("License"). You may not use this file except in
6    * compliance with the License. You can obtain a copy of the License by
7    * contacting Liferay, Inc. See the License for the specific language governing
8    * permissions and limitations under the License, including but not limited to
9    * distribution rights of the Software.
10   *
11   *
12   * 
13   */
14  
15  package com.liferay.portlet.messageboards.action;
16  
17  import com.liferay.documentlibrary.FileNameException;
18  import com.liferay.documentlibrary.FileSizeException;
19  import com.liferay.portal.kernel.captcha.CaptchaTextException;
20  import com.liferay.portal.kernel.captcha.CaptchaUtil;
21  import com.liferay.portal.kernel.servlet.SessionErrors;
22  import com.liferay.portal.kernel.upload.UploadPortletRequest;
23  import com.liferay.portal.kernel.util.Constants;
24  import com.liferay.portal.kernel.util.FileUtil;
25  import com.liferay.portal.kernel.util.ObjectValuePair;
26  import com.liferay.portal.kernel.util.ParamUtil;
27  import com.liferay.portal.kernel.util.StringUtil;
28  import com.liferay.portal.kernel.util.Validator;
29  import com.liferay.portal.security.auth.PrincipalException;
30  import com.liferay.portal.struts.PortletAction;
31  import com.liferay.portal.theme.ThemeDisplay;
32  import com.liferay.portal.util.PortalUtil;
33  import com.liferay.portal.util.PropsValues;
34  import com.liferay.portal.util.WebKeys;
35  import com.liferay.portlet.ActionResponseImpl;
36  import com.liferay.portlet.messageboards.MessageBodyException;
37  import com.liferay.portlet.messageboards.MessageSubjectException;
38  import com.liferay.portlet.messageboards.NoSuchMessageException;
39  import com.liferay.portlet.messageboards.RequiredMessageException;
40  import com.liferay.portlet.messageboards.model.MBMessage;
41  import com.liferay.portlet.messageboards.service.MBMessageServiceUtil;
42  import com.liferay.portlet.tags.TagsEntryException;
43  
44  import java.io.File;
45  
46  import java.util.ArrayList;
47  import java.util.List;
48  
49  import javax.portlet.ActionRequest;
50  import javax.portlet.ActionResponse;
51  import javax.portlet.PortletConfig;
52  import javax.portlet.PortletPreferences;
53  import javax.portlet.PortletURL;
54  import javax.portlet.RenderRequest;
55  import javax.portlet.RenderResponse;
56  
57  import org.apache.struts.action.ActionForm;
58  import org.apache.struts.action.ActionForward;
59  import org.apache.struts.action.ActionMapping;
60  
61  /**
62   * <a href="EditMessageAction.java.html"><b><i>View Source</i></b></a>
63   *
64   * @author Brian Wing Shun Chan
65   */
66  public class EditMessageAction extends PortletAction {
67  
68      public void processAction(
69              ActionMapping mapping, ActionForm form, PortletConfig portletConfig,
70              ActionRequest actionRequest, ActionResponse actionResponse)
71          throws Exception {
72  
73          String cmd = ParamUtil.getString(actionRequest, Constants.CMD);
74  
75          try {
76              if (cmd.equals(Constants.ADD) || cmd.equals(Constants.UPDATE)) {
77                  updateMessage(actionRequest, actionResponse);
78              }
79              else if (cmd.equals(Constants.DELETE)) {
80                  deleteMessage(actionRequest);
81              }
82              else if (cmd.equals(Constants.SUBSCRIBE)) {
83                  subscribeMessage(actionRequest);
84              }
85              else if (cmd.equals(Constants.UNSUBSCRIBE)) {
86                  unsubscribeMessage(actionRequest);
87              }
88  
89              if (cmd.equals(Constants.DELETE) ||
90                  cmd.equals(Constants.SUBSCRIBE) ||
91                  cmd.equals(Constants.UNSUBSCRIBE)) {
92  
93                  sendRedirect(actionRequest, actionResponse);
94              }
95          }
96          catch (Exception e) {
97              if (e instanceof NoSuchMessageException ||
98                  e instanceof PrincipalException ||
99                  e instanceof RequiredMessageException) {
100 
101                 SessionErrors.add(actionRequest, e.getClass().getName());
102 
103                 setForward(actionRequest, "portlet.message_boards.error");
104             }
105             else if (e instanceof CaptchaTextException ||
106                      e instanceof FileNameException ||
107                      e instanceof FileSizeException ||
108                      e instanceof MessageBodyException ||
109                      e instanceof MessageSubjectException) {
110 
111                 SessionErrors.add(actionRequest, e.getClass().getName());
112             }
113             else if (e instanceof TagsEntryException) {
114                 SessionErrors.add(actionRequest, e.getClass().getName(), e);
115             }
116             else {
117                 throw e;
118             }
119         }
120     }
121 
122     public ActionForward render(
123             ActionMapping mapping, ActionForm form, PortletConfig portletConfig,
124             RenderRequest renderRequest, RenderResponse renderResponse)
125         throws Exception {
126 
127         try {
128             ActionUtil.getMessage(renderRequest);
129         }
130         catch (Exception e) {
131             if (e instanceof NoSuchMessageException ||
132                 e instanceof PrincipalException) {
133 
134                 SessionErrors.add(renderRequest, e.getClass().getName());
135 
136                 return mapping.findForward("portlet.message_boards.error");
137             }
138             else {
139                 throw e;
140             }
141         }
142 
143         return mapping.findForward(
144             getForward(renderRequest, "portlet.message_boards.edit_message"));
145     }
146 
147     protected void deleteMessage(ActionRequest actionRequest) throws Exception {
148         long messageId = ParamUtil.getLong(actionRequest, "messageId");
149 
150         MBMessageServiceUtil.deleteMessage(messageId);
151     }
152 
153     protected void subscribeMessage(ActionRequest actionRequest)
154         throws Exception {
155 
156         long messageId = ParamUtil.getLong(actionRequest, "messageId");
157 
158         MBMessageServiceUtil.subscribeMessage(messageId);
159     }
160 
161     protected void unsubscribeMessage(ActionRequest actionRequest)
162         throws Exception {
163 
164         long messageId = ParamUtil.getLong(actionRequest, "messageId");
165 
166         MBMessageServiceUtil.unsubscribeMessage(messageId);
167     }
168 
169     protected void updateMessage(
170             ActionRequest actionRequest, ActionResponse actionResponse)
171         throws Exception {
172 
173         ThemeDisplay themeDisplay = (ThemeDisplay)actionRequest.getAttribute(
174             WebKeys.THEME_DISPLAY);
175 
176         PortletPreferences prefs = actionRequest.getPreferences();
177 
178         long messageId = ParamUtil.getLong(actionRequest, "messageId");
179 
180         long categoryId = ParamUtil.getLong(actionRequest, "categoryId");
181         long threadId = ParamUtil.getLong(actionRequest, "threadId");
182         long parentMessageId = ParamUtil.getLong(
183             actionRequest, "parentMessageId");
184         String subject = ParamUtil.getString(actionRequest, "subject");
185         String body = ParamUtil.getString(actionRequest, "body");
186         boolean attachments = ParamUtil.getBoolean(
187             actionRequest, "attachments");
188 
189         List<ObjectValuePair<String, byte[]>> files =
190             new ArrayList<ObjectValuePair<String, byte[]>>();
191 
192         if (attachments) {
193             UploadPortletRequest uploadRequest =
194                 PortalUtil.getUploadPortletRequest(actionRequest);
195 
196             for (int i = 1; i <= 5; i++) {
197                 File file = uploadRequest.getFile("msgFile" + i);
198                 String fileName = uploadRequest.getFileName("msgFile" + i);
199                 byte[] bytes = FileUtil.getBytes(file);
200 
201                 if ((bytes != null) && (bytes.length > 0)) {
202                     ObjectValuePair<String, byte[]> ovp =
203                         new ObjectValuePair<String, byte[]>(fileName, bytes);
204 
205                     files.add(ovp);
206                 }
207             }
208         }
209 
210         boolean anonymous = ParamUtil.getBoolean(actionRequest, "anonymous");
211         double priority = ParamUtil.getDouble(actionRequest, "priority");
212 
213         String[] tagsEntries = StringUtil.split(
214             ParamUtil.getString(actionRequest, "tagsEntries"));
215 
216         String[] communityPermissions = PortalUtil.getCommunityPermissions(
217             actionRequest);
218         String[] guestPermissions = PortalUtil.getGuestPermissions(
219             actionRequest);
220 
221         MBMessage message = null;
222 
223         if (messageId <= 0) {
224             if (PropsValues.CAPTCHA_CHECK_PORTLET_MESSAGE_BOARDS_EDIT_MESSAGE) {
225                 CaptchaUtil.check(actionRequest);
226             }
227 
228             if (threadId <= 0) {
229 
230                 // Post new thread
231 
232                 message = MBMessageServiceUtil.addMessage(
233                     categoryId, subject, body, files, anonymous, priority,
234                     tagsEntries, prefs, communityPermissions, guestPermissions,
235                     themeDisplay);
236             }
237             else {
238 
239                 // Post reply
240 
241                 message = MBMessageServiceUtil.addMessage(
242                     categoryId, threadId, parentMessageId, subject, body, files,
243                     anonymous, priority, tagsEntries, prefs,
244                     communityPermissions, guestPermissions, themeDisplay);
245             }
246         }
247         else {
248             List<String> existingFiles = new ArrayList<String>();
249 
250             for (int i = 1; i <= 5; i++) {
251                 String path = ParamUtil.getString(
252                     actionRequest, "existingPath" + i);
253 
254                 if (Validator.isNotNull(path)) {
255                     existingFiles.add(path);
256                 }
257             }
258 
259             // Update message
260 
261             message = MBMessageServiceUtil.updateMessage(
262                 messageId, subject, body, files, existingFiles, priority,
263                 tagsEntries, prefs, themeDisplay);
264         }
265 
266         PortletURL portletURL =
267             ((ActionResponseImpl)actionResponse).createRenderURL();
268 
269         portletURL.setParameter(
270             "struts_action", "/message_boards/view_message");
271         portletURL.setParameter(
272             "messageId", String.valueOf(message.getMessageId()));
273 
274         actionResponse.sendRedirect(portletURL.toString());
275     }
276 
277 }