ALF-9153 Convert the discussions single post update webscript to de-lucened java backed

git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@29772 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261

source/java/org/alfresco/repo/web/scripts/discussion/ForumPostPut.java

@@ -0,0 +1,135 @@
+/*
+ * Copyright (C) 2005-2011 Alfresco Software Limited.
+ *
+ * This file is part of Alfresco
+ *
+ * Alfresco is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Alfresco is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with Alfresco. If not, see <http://www.gnu.org/licenses/>.
+ */
+package org.alfresco.repo.web.scripts.discussion;
+
+import java.util.Map;
+
+import org.alfresco.service.cmr.discussion.PostInfo;
+import org.alfresco.service.cmr.discussion.TopicInfo;
+import org.alfresco.service.cmr.repository.NodeRef;
+import org.alfresco.service.cmr.site.SiteInfo;
+import org.json.JSONArray;
+import org.json.JSONException;
+import org.json.JSONObject;
+import org.springframework.extensions.webscripts.Cache;
+import org.springframework.extensions.webscripts.Status;
+import org.springframework.extensions.webscripts.WebScriptException;
+import org.springframework.extensions.webscripts.WebScriptRequest;
+
+/**
+ * This class is the controller for the discussions page fetching forum-post.put webscript.
+ * 
+ * @author Nick Burch
+ * @since 4.0
+ */
+public class ForumPostPut extends AbstractDiscussionWebScript
+{
+   private static final String KEY_POSTDATA = "postData";
+   
+   @Override
+   protected Map<String, Object> executeImpl(SiteInfo site, NodeRef nodeRef,
+         TopicInfo topic, PostInfo post, WebScriptRequest req, JSONObject json,
+         Status status, Cache cache) 
+   {
+      // Build the common model parts
+      Map<String, Object> model = buildCommonModel(site, topic, post, req);
+      
+      // Did they want to change a reply or the whole topic?
+      if(post != null)
+      {
+         // Update the specified post
+         doUpdatePost(post, post.getTopic(), req, json);
+         
+         // Add the activity entry for the reply change
+         addActivityEntry("reply", "updated", post.getTopic(), post, site, req, json);
+         
+         // Build the JSON for just this post
+         model.put(KEY_POSTDATA, renderPost(post, site));
+      }
+      else if(topic != null)
+      {
+         // Update the primary post of the topic
+         post = discussionService.getPrimaryPost(topic);
+         if(post == null)
+         {
+            throw new WebScriptException(Status.STATUS_PRECONDITION_FAILED,
+                  "First (primary) post was missing from the topic, can't fetch");
+         }
+         doUpdatePost(post, topic, req, json);
+         
+         // Add the activity entry for the topic change
+         addActivityEntry("post", "updated", topic, null, site, req, json);
+         
+         // Build the JSON for the whole topic
+         model.put(KEY_POSTDATA, renderTopic(topic, site));
+      }
+      else
+      {
+         String error = "Node was of the wrong type, only Topic and Post are supported";
+         throw new WebScriptException(Status.STATUS_BAD_REQUEST, error);
+      }
+      
+      // All done
+      return model;
+   }
+   
+   private void doUpdatePost(PostInfo post, TopicInfo topic, WebScriptRequest req, 
+         JSONObject json)
+   {
+      // Fetch the details from the JSON
+      try
+      {
+         // Update the titles on the post and it's topic
+         if(json.has("title"))
+         {
+            String title = json.getString("title");
+            post.setTitle(title);
+            if(title.length() > 0)
+            {
+               topic.setTitle(title);
+            }
+         }
+         
+         // Contents is on the post
+         if(json.has("content"))
+         {
+            post.setContents(json.getString("content"));
+         }
+         
+         // Tags are on the topic
+         if(json.has("tags"))
+         {
+            topic.getTags().clear();
+            JSONArray tags = json.getJSONArray("tags");
+            for(int i=0; i<tags.length(); i++)
+            {
+               topic.getTags().add( tags.getString(i) );
+            }
+         }
+      }
+      catch(JSONException e)
+      {
+         throw new WebScriptException("Invalid JSON: " + e.getMessage());
+      }
+      
+      // Save the topic and the post
+      discussionService.updateTopic(topic);
+      discussionService.updatePost(post);
+   }
+}