PostAction


1   package org.javabb.action;
2   
3   import java.util.ArrayList  ;
4   import java.util.Date  ;
5   import java.util.List  ;
6   
7   import org.apache.commons.lang.StringUtils;
8   import org.javabb.action.infra.BaseAction;
9   import org.javabb.component.PostFormatter;
10  import org.javabb.component.UserFormatter;
11  import org.javabb.infra.UserContext;
12  import org.javabb.infra.Utils;
13  import org.javabb.transaction.BadWordTransaction;
14  import org.javabb.transaction.ForumTransaction;
15  import org.javabb.transaction.PostTransaction;
16  import org.javabb.transaction.TopicTransaction;
17  import org.javabb.transaction.UserTransaction;
18  import org.javabb.vo.Forum;
19  import org.javabb.vo.Post;
20  import org.javabb.vo.PostText;
21  import org.javabb.vo.Topic;
22  import org.javabb.vo.User;
23  
24  import com.opensymphony.webwork.ServletActionContext;
25  
26  /*
27   * Copyright 2004 JavaFree.org
28   *
29   * Licensed under the Apache License, Version 2.0 (the "License");
30   * you may not use this file except in compliance with the License.
31   * You may obtain a copy of the License at
32   *
33   *     http://www.apache.org/licenses/LICENSE-2.0
34   *
35   * Unless required by applicable law or agreed to in writing, software
36   * distributed under the License is distributed on an "AS IS" BASIS,
37   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
38   * See the License for the specific language governing permissions and
39   * limitations under the License.
40   */
41  
42  /**
43   * $Id: PostAction.java,v 1.43.2.1.4.2 2006/04/17 17:47:07 daltoncamargo Exp $
44   * @author Dalton Camargo - <a HREF="mailto:dalton@javabb.org">dalton@javabb.org </a> <br>
45   * @author Lucas Frare Teixeira - <a HREF="mailto:lucas@javabb.org">lucas@javabb.org </a> <br>
46   * @author Ronald Tetsuo Miura
47   */
48  public class PostAction extends BaseAction {
49      private PostText _post = new PostText();
50  
51      private ForumTransaction _forumTransaction;
52  
53      private PostTransaction _postTransaction;
54  
55      private TopicTransaction topicTransaction;
56  
57      private Topic _topic = new Topic();
58  
59      private BadWordTransaction badWordTransaction;
60  
61      private UserTransaction _userTransaction;
62  
63      private PostFormatter postFormatter;
64      
65      private UserFormatter userFormatter;
66  
67      private List   _posts = new ArrayList  ();
68  
69      private String   quote;
70  
71      private String   whoQuote;
72  
73      // ####################################################################
74      // Dependencies
75      // ####################################################################
76  
77      /**
78       * @param forumTransaction The forumTransaction to set.
79       */
80      public void setForumTransaction(ForumTransaction forumTransaction) {
81          this._forumTransaction = forumTransaction;
82      }
83  
84      /**
85       * @param userTransaction the new userTransaction value
86       */
87      public void setUserTransaction(UserTransaction userTransaction) {
88          this._userTransaction = userTransaction;
89      }
90  
91      /**
92       * @param topicTransaction the new topicTransaction value
93       */
94      public void setTopicTransaction(TopicTransaction topicTransaction) {
95          this.topicTransaction = topicTransaction;
96      }
97  
98      /**
99       * @param postFormatter the new postFormatter value
100      */
101     public void setPostFormatter(PostFormatter postFormatter) {
102         this.postFormatter = postFormatter;
103     }
104 
105     /**
106      * @param postTransaction the new postTransaction value
107      */
108     public void setPostTransaction(PostTransaction postTransaction) {
109         this._postTransaction = postTransaction;
110     }
111 
112     /**
113      * @param badWordComponent the new badWordComponent value
114      */
115     public void setBadWordTransaction(BadWordTransaction badWordComponent) {
116         this.badWordTransaction = badWordComponent;
117     }
118 
119     public void setUserFormatter(UserFormatter userFormatter) {
120         this.userFormatter = userFormatter;
121     }
122     
123     // ####################################################################
124     // Actions
125     // ####################################################################
126 
127 
128     /**
129      * @return Action status
130      */
131     public String   listaPost() {
132         _posts = _postTransaction.findByTopic(_post.getTopic().getIdTopic(), getPage());
133         return SUCCESS;
134     }
135 
136     /**
137      * This method is used as much as to reply a post as to quote some text.
138      * @return Action status
139      */
140     public String   returnQuoteMsg() {
141         if (log.isDebugEnabled()) {
142             log.debug("whoQuote = '" + whoQuote + "'");
143         }
144         if (StringUtils.trimToNull(whoQuote) != null) {
145             Post tmpPost = new Post();
146             tmpPost = _postTransaction.loadPost(_post.getId());
147             quote = "[quote=\"" + whoQuote + "\"]" + tmpPost.getPostBody() + " [/quote]";
148             _post = (PostText) tmpPost;
149         }
150 
151         return SUCCESS;
152     }
153 
154     /**
155      * @return Action status
156      */
157     public String   loadPost() {
158         if(_post.getIdPost() != null){
159             _postId = _post.getIdPost();
160         }
161         _post = (PostText) _postTransaction.loadPost(_postId);
162         return SUCCESS;
163     }
164 
165     /**
166      * @return Action status
167      */
168     public String   updatePost() {
169         Post alterPost = _postTransaction.loadPost(_post.getId());
170         User userLogado = UserContext.getContext().getUser();
171 
172         // se o usu�rio n�o for administrador:
173         if (userLogado.getAdmin().equals(new Integer  (0))) {
174             // se ele n�o for o dono da mensagem:
175             if (!alterPost.getUser().equals(userLogado)) {
176                 addActionError(getText("you_can_edit_yours_messages"));
177 
178                 return ERROR;
179             }
180         }
181 
182         alterPost.setSubject(_post.getSubject());
183         alterPost.setPostBody(_post.getPostBody());
184 
185         alterPost.setSig(_post.getSig());
186         _postTransaction.updatePost(alterPost);
187 
188         if(getUrl() != null && "topic".equals(getUrl())){
189             setUrl("viewtopic.jbb?t=" + _post.getTopic().getIdTopic());            
190         } else {
191             setUrl("viewtopic.jbb?t=" + _post.getTopic().getIdTopic() 
192                     + "&page="+ _page + "#" + _post.getIdPost());
193         }
194         
195 
196         // Atualiza a informacao dos posts
197         _post.setIdPost(_post.getId());
198         _forumTransaction.refreshPost(_post.getId());
199 
200         
201         
202         return SUCCESS;
203     }
204 
205     /**
206      * @return Action status
207      */
208     public String   updatePostTopic() {
209         Post alterPost = _postTransaction.loadPost(_post.getId());
210         User userLogado = UserContext.getContext().getUser();
211 
212         // se o usu�rio n�o for administrador:
213         if (userLogado.getAdmin().equals(new Integer  (0))) {
214             // se ele n�o for o dono da mensagem:
215             if (!alterPost.getUser().equals(userLogado)) {
216                 addActionError(getText("you_can_edit_yours_messages"));
217                 return ERROR;
218             }
219         }
220 
221         alterPost.setSubject(_post.getSubject());
222         alterPost.setPostBody(_post.getPostBody());
223         alterPost.setSig(_post.getSig());
224         _postTransaction.updatePost(alterPost);
225 
226         Topic alterTopic = topicTransaction.loadTopic(_post.getTopic().getId());
227         alterTopic.setTitleTopic(Utils.replaceHTML(_topic.getTitleTopic()));
228         alterTopic.setTopicModel(_post.getTopic().getTopicModel());
229         alterTopic.setNotifyMe(_post.getTopic().getNotifyMe());
230         
231         if(userLogado.getAdmin().intValue() != 1){
232             alterTopic.setTopicModel(new Integer  (0));
233         }
234         
235         topicTransaction.updateTopic(alterTopic);
236         
237         setUrl("viewtopic.jbb?t=" + _post.getTopic().getIdTopic());
238 
239         
240         // Atualiza a informacao dos posts
241         _post.setIdPost(_post.getId());
242         _forumTransaction.refreshPost(_post.getId());
243         // Atualiza a informa�ao dos topicos
244         _forumTransaction.refreshTopic(_post.getTopic().getIdTopic());
245         
246         return SUCCESS;
247     }
248 
249     /**
250      * @return Action status
251      */
252     public String   insertPost() throws Exception  {
253         Topic topic = _post.getTopic();
254         topic = topicTransaction.loadTopic(topic.getId());
255 
256         // mark as unread
257         UserContext.getContext().setTopicUnread(topic.getId());
258 
259         // Prote��o contra flood... 7 segundos
260         long currTime = System.currentTimeMillis();
261         Long   lastPost = (Long  ) getSessionAttribute("my_last_post");
262 
263         if ((lastPost != null) && ((currTime - lastPost.longValue()) < 7000)) {
264             // 15 milisegundos
265             this.addActionError(this.getText("message_so_quickly"));
266             return ERROR;
267             
268         }
269         setSessionAttribute("my_last_post", new Long  (currTime));
270 
271         if ((topic.getTopicStatus() != null) && topic.getTopicStatus().equals(new Integer  (1))) {
272             this.addActionError(this.getText("answer_locked_topic"));
273             return ERROR;
274         }
275 
276         _post.setPostDate(new Date  ());
277         _post.setIp(ServletActionContext.getRequest().getRemoteAddr());
278         _post.setPost_state(new Integer  (0));
279         _post.setPostBody(_post.getPostBody());
280 
281         User up = UserContext.getContext().getUser();
282         _post.setUser(up);
283 
284         Long   idPost = _postTransaction.createPost(_post);
285 
286         
287         // manuten��o de resposta de posts
288         topicTransaction.sumNumberReplysByTopic(_post.getTopic().getIdTopic());
289         topicTransaction.updateDatePostTopic(_post.getTopic().getIdTopic());
290 
291         // manuten��o de mensagens do usu�rio
292         _userTransaction.sumNumberMsgUser(up.getIdUser());
293 
294         // Getting number of page and setting for redirect
295         Integer   currentPage = _postTransaction.getPageOfLastPostByTopic(topic);
296         setPage(currentPage.intValue());
297 
298         int lastId = idPost.intValue();
299         int topicId = _post.getTopic().getIdTopic().intValue();
300         String   url = "viewtopic.jbb?t=" + topicId + "&page=" + currentPage + "#" + lastId;
301         setUrl(url);
302 
303         // Atualiza a informacao dos posts
304         _post.setIdPost(idPost);
305         _forumTransaction.refreshPost(_post.getId());
306         // Atualiza a informa�ao dos topicos
307         _forumTransaction.refreshTopic(_post.getTopic().getId());
308 
309 //      Verify and send an email notification to User if the notify flag is set
310         _postTransaction.notifyUserTopicByMail(topic);
311         
312 //      Send an email to all users that watch this topic
313         _postTransaction.nofityWatchUsers(topic, url, getText("watch_topics_message1"),
314                 getText("watch_topics_message2"), getText("topic"), 
315                 getText("watch_topic"));
316         
317         return SUCCESS;
318     }
319 
320     /**
321      * Insert a new topic and a new post
322      * @return Action status
323      */
324     public String   insertTopicPost() {
325 
326         Long   idTopicInserted = topicTransaction.createTopic(_topic);
327 
328         _post.getUser().setId(UserContext.getContext().getUser().getId());
329         _post.setPost_state(new Integer  (0));
330         _post.setPostDate(new Date  ());
331         _post.setPostBody(_post.getPostBody());
332         _post.setSubject(badWordTransaction.verifyBadWords(_post.getSubject()));
333 
334         Topic topic = topicTransaction.loadTopic(idTopicInserted);
335         topic.setTitleTopic(badWordTransaction.verifyBadWords(topic.getTitleTopic()));
336         topic.setTopicStatus(new Integer  (0));
337         topic.setPageLastPost(new Integer  (1));
338 
339         _post.setTopic(topic);
340 
341         Long   lastPostId = _postTransaction.createPost(_post);
342         _topic.setLastPost(_postTransaction.loadPost(lastPostId));
343 
344         // manuten��o de mensagens do usu�rio
345         User up = UserContext.getContext().getUser();
346         _userTransaction.sumNumberMsgUser(up.getIdUser());
347 
348         int topicId = _post.getTopic().getIdTopic().intValue();
349         setUrl("viewtopic.jbb?t=" + topicId + "#" + lastPostId.toString());
350 
351         // Atualiza a informacao dos posts
352         _post.setIdPost(lastPostId);
353         _forumTransaction.refreshPost(_post.getId());
354         // Atualiza a informa�ao dos topicos
355         _forumTransaction.refreshTopic(topic.getId());
356 
357         return SUCCESS;
358     }
359 
360     /**
361      * @return Action status
362      */
363     public String   deletePost() {
364         Topic topic = null;
365         Forum forum = null;
366 
367         // Obt�m o usu�rio logado da sess�o
368         User up = UserContext.getContext().getUser();
369 
370         //Logging
371         log.debug("Deleting post User:" + up.getUser());
372         log.debug("Deleting post ID:" + up.getIdUser());
373         
374         // Verifica se o usu�rio tem privil�gios para excluir o post
375         if (_postTransaction.canDeletePost(_post)) {
376 
377             // guardando referencias para refresh posterior
378             topic = _post.getTopic();
379             forum = topic.getForum();
380 
381             _postTransaction.deletePost(_post.getId());
382 
383             // manuten��o de resposta de posts
384             topicTransaction.subNumberReplysByTopic(_post.getTopic().getId());
385 
386             // manuten��o de mensagens do usu�rio
387             _userTransaction.subNumberMsgUser(_post.getUser().getId());
388 
389             // Verifica se o post que foi exclu�do
390             // � o �nico post do t�pico, se for, ele exclui
391             // o t�pico tamb�m.
392             List   postsByT = _postTransaction.findByTopic(_post.getTopic().getIdTopic(), getPage());
393 
394             if (postsByT.size() <= 0) {
395                 // Exclui o topico do post
396                 _topic = new Topic();
397                 _topic.setIdTopic(_post.getTopic().getIdTopic());
398                 topicTransaction.deleteTopic(_topic.getId());
399 
400                 // nao dar refresh no topico, pois foi excluido
401                 topic = new Topic();
402 
403                 setUrl("viewforum.jbb?f=" + _post.getTopic().getForum().getIdForum());
404             } else {
405                 // Exclui apenas o post
406                 int topicId = _post.getTopic().getIdTopic().intValue();
407                 setUrl("viewtopic.jbb?t=" + topicId);
408             }
409 
410             // Atualiza a informacao do topico
411             _forumTransaction.refreshTopic(topic.getId());
412             // Atualiza a informa�ao do forum
413             _forumTransaction.refreshForum(forum.getId());
414 
415             return SUCCESS;
416         }
417 
418         addActionError(getText("no_permission_to_delete_post"));
419 
420         return ERROR;
421     }
422 
423     /**
424      * @return result
425      */
426     public String   searchAuthor() {
427         _posts = _postTransaction.listPostsByUser(_userId, _page);
428         return SUCCESS;
429     }
430 
431     /**
432      * @return result
433      */
434     public String   listUnAnswaredPosts() {
435         _posts = _postTransaction.listUnAnswaredPosts(_page);
436         return SUCCESS;
437     }
438 
439     
440     public String   listAllLastPosts() {
441         _posts = _postTransaction.findLasPosts();
442         return SUCCESS;
443     }
444     
445     // ####################################################################
446     // View objects accessors
447     // ####################################################################
448 
449 
450 
451     /**
452      * @return Returns the post.
453      */
454     public Post getPost() {
455         return _post;
456     }
457 
458     /**
459      * @return Returns the posts.
460      */
461     public List   getPosts() {
462         return _posts;
463     }
464 
465     /**
466      * @return Returns the quote.
467      */
468     public String   getQuote() {
469         return quote;
470     }
471 
472     /**
473      * @param quote The quote to set.
474      */
475     public void setQuote(String   quote) {
476         this.quote = quote;
477     }
478 
479     /**
480      * @return Returns the whoQuote.
481      */
482     public String   getWhoQuote() {
483         return whoQuote;
484     }
485 
486     /**
487      * @param whoQuote The whoQuote to set.
488      */
489     public void setWhoQuote(String   whoQuote) {
490         this.whoQuote = whoQuote;
491     }
492 
493     /**
494      * @param post
495      * @return formated post
496      */
497     public String   formatPost(Post post) {
498         return postFormatter.formatPost(post);
499     }
500 
501     /**
502      * @param text
503      * @return formated post
504      */
505     public String   formatEscaped(String   text) {
506         return postFormatter.formatEscaped(text);
507     }
508 
509     /**
510      * @return Returns the topic.
511      */
512     public Topic getTopic() {
513         return _topic;
514     }
515     
516     public UserFormatter getUserFormatter() {
517         return userFormatter;
518     }
519 
520 }
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