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.action;
24  
25  import com.liferay.documentlibrary.FileNameException;
26  import com.liferay.documentlibrary.FileSizeException;
27  import com.liferay.portal.captcha.CaptchaTextException;
28  import com.liferay.portal.captcha.CaptchaUtil;
29  import com.liferay.portal.kernel.util.Constants;
30  import com.liferay.portal.kernel.util.ObjectValuePair;
31  import com.liferay.portal.kernel.util.ParamUtil;
32  import com.liferay.portal.kernel.util.StringUtil;
33  import com.liferay.portal.kernel.util.Validator;
34  import com.liferay.portal.security.auth.PrincipalException;
35  import com.liferay.portal.struts.PortletAction;
36  import com.liferay.portal.theme.ThemeDisplay;
37  import com.liferay.portal.util.UploadRequestUtil;
38  import com.liferay.portal.util.WebKeys;
39  import com.liferay.portlet.ActionResponseImpl;
40  import com.liferay.portlet.messageboards.MessageBodyException;
41  import com.liferay.portlet.messageboards.MessageSubjectException;
42  import com.liferay.portlet.messageboards.NoSuchMessageException;
43  import com.liferay.portlet.messageboards.RequiredMessageException;
44  import com.liferay.portlet.messageboards.model.MBMessage;
45  import com.liferay.portlet.messageboards.service.MBMessageServiceUtil;
46  import com.liferay.portlet.tags.TagsEntryException;
47  import com.liferay.util.FileUtil;
48  import com.liferay.util.servlet.SessionErrors;
49  import com.liferay.util.servlet.UploadPortletRequest;
50  
51  import java.io.File;
52  
53  import java.util.ArrayList;
54  import java.util.List;
55  
56  import javax.portlet.ActionRequest;
57  import javax.portlet.ActionResponse;
58  import javax.portlet.PortletConfig;
59  import javax.portlet.PortletPreferences;
60  import javax.portlet.PortletURL;
61  import javax.portlet.RenderRequest;
62  import javax.portlet.RenderResponse;
63  
64  import org.apache.struts.action.ActionForm;
65  import org.apache.struts.action.ActionForward;
66  import org.apache.struts.action.ActionMapping;
67  
68  /**
69   * <a href="EditMessageAction.java.html"><b><i>View Source</i></b></a>
70   *
71   * @author Brian Wing Shun Chan
72   *
73   */
74  public class EditMessageAction extends PortletAction {
75  
76      public void processAction(
77              ActionMapping mapping, ActionForm form, PortletConfig config,
78              ActionRequest req, ActionResponse res)
79          throws Exception {
80  
81          String cmd = ParamUtil.getString(req, Constants.CMD);
82  
83          try {
84              if (cmd.equals(Constants.ADD) || cmd.equals(Constants.UPDATE)) {
85                  updateMessage(req, res);
86              }
87              else if (cmd.equals(Constants.DELETE)) {
88                  deleteMessage(req);
89              }
90              else if (cmd.equals(Constants.SUBSCRIBE)) {
91                  subscribeMessage(req);
92              }
93              else if (cmd.equals(Constants.UNSUBSCRIBE)) {
94                  unsubscribeMessage(req);
95              }
96  
97              if (cmd.equals(Constants.DELETE) ||
98                  cmd.equals(Constants.SUBSCRIBE) ||
99                  cmd.equals(Constants.UNSUBSCRIBE)) {
100 
101                 sendRedirect(req, res);
102             }
103         }
104         catch (Exception e) {
105             if (e instanceof NoSuchMessageException ||
106                 e instanceof PrincipalException ||
107                 e instanceof RequiredMessageException) {
108 
109                 SessionErrors.add(req, e.getClass().getName());
110 
111                 setForward(req, "portlet.message_boards.error");
112             }
113             else if (e instanceof CaptchaTextException ||
114                      e instanceof FileNameException ||
115                      e instanceof FileSizeException ||
116                      e instanceof MessageBodyException ||
117                      e instanceof MessageSubjectException) {
118 
119                 SessionErrors.add(req, e.getClass().getName());
120             }
121             else if (e instanceof TagsEntryException) {
122                 SessionErrors.add(req, e.getClass().getName(), e);
123             }
124             else {
125                 throw e;
126             }
127         }
128     }
129 
130     public ActionForward render(
131             ActionMapping mapping, ActionForm form, PortletConfig config,
132             RenderRequest req, RenderResponse res)
133         throws Exception {
134 
135         try {
136             ActionUtil.getMessage(req);
137         }
138         catch (Exception e) {
139             if (e instanceof NoSuchMessageException ||
140                 e instanceof PrincipalException) {
141 
142                 SessionErrors.add(req, e.getClass().getName());
143 
144                 return mapping.findForward("portlet.message_boards.error");
145             }
146             else {
147                 throw e;
148             }
149         }
150 
151         return mapping.findForward(
152             getForward(req, "portlet.message_boards.edit_message"));
153     }
154 
155     protected void deleteMessage(ActionRequest req) throws Exception {
156         long messageId = ParamUtil.getLong(req, "messageId");
157 
158         MBMessageServiceUtil.deleteMessage(messageId);
159     }
160 
161     protected void subscribeMessage(ActionRequest req) throws Exception {
162         long messageId = ParamUtil.getLong(req, "messageId");
163 
164         MBMessageServiceUtil.subscribeMessage(messageId);
165     }
166 
167     protected void unsubscribeMessage(ActionRequest req) throws Exception {
168         long messageId = ParamUtil.getLong(req, "messageId");
169 
170         MBMessageServiceUtil.unsubscribeMessage(messageId);
171     }
172 
173     protected void updateMessage(ActionRequest req, ActionResponse res)
174         throws Exception {
175 
176         ThemeDisplay themeDisplay = (ThemeDisplay)req.getAttribute(
177             WebKeys.THEME_DISPLAY);
178 
179         PortletPreferences prefs = req.getPreferences();
180 
181         long messageId = ParamUtil.getLong(req, "messageId");
182 
183         long categoryId = ParamUtil.getLong(req, "categoryId");
184         long threadId = ParamUtil.getLong(req, "threadId");
185         long parentMessageId = ParamUtil.getLong(req, "parentMessageId");
186         String subject = ParamUtil.getString(req, "subject");
187         String body = ParamUtil.getString(req, "body");
188         boolean attachments = ParamUtil.getBoolean(req, "attachments");
189 
190         List<ObjectValuePair<String, byte[]>> files =
191             new ArrayList<ObjectValuePair<String, byte[]>>();
192 
193         if (attachments) {
194             UploadPortletRequest uploadReq =
195                 UploadRequestUtil.getUploadPortletRequest(req);
196 
197             for (int i = 1; i <= 5; i++) {
198                 File file = uploadReq.getFile("msgFile" + i);
199                 String fileName = uploadReq.getFileName("msgFile" + i);
200                 byte[] bytes = FileUtil.getBytes(file);
201 
202                 if ((bytes != null) && (bytes.length > 0)) {
203                     ObjectValuePair<String, byte[]> ovp =
204                         new ObjectValuePair<String, byte[]>(fileName, bytes);
205 
206                     files.add(ovp);
207                 }
208             }
209         }
210 
211         boolean anonymous = ParamUtil.getBoolean(req, "anonymous");
212         double priority = ParamUtil.getDouble(req, "priority");
213 
214         String[] tagsEntries = StringUtil.split(
215             ParamUtil.getString(req, "tagsEntries"));
216 
217         String[] communityPermissions = req.getParameterValues(
218             "communityPermissions");
219         String[] guestPermissions = req.getParameterValues(
220             "guestPermissions");
221 
222         MBMessage message = null;
223 
224         if (messageId <= 0) {
225             if (false) {
226                 CaptchaUtil.check(req);
227             }
228 
229             if (threadId <= 0) {
230 
231                 // Post new thread
232 
233                 message = MBMessageServiceUtil.addMessage(
234                     categoryId, subject, body, files, anonymous, priority,
235                     tagsEntries, prefs, communityPermissions, guestPermissions,
236                     themeDisplay);
237             }
238             else {
239 
240                 // Post reply
241 
242                 message = MBMessageServiceUtil.addMessage(
243                     categoryId, threadId, parentMessageId, subject, body, files,
244                     anonymous, priority, tagsEntries, prefs,
245                     communityPermissions, guestPermissions, themeDisplay);
246             }
247         }
248         else {
249             List<String> existingFiles = new ArrayList<String>();
250 
251             for (int i = 1; i <= 5; i++) {
252                 String path = ParamUtil.getString(req, "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 = ((ActionResponseImpl)res).createRenderURL();
267 
268         portletURL.setParameter(
269             "struts_action", "/message_boards/view_message");
270         portletURL.setParameter(
271             "messageId", String.valueOf(message.getMessageId()));
272 
273         res.sendRedirect(portletURL.toString());
274     }
275 
276 }