/*
    * Copyright (C) 2003-2013 eXo Platform SAS.
    *
    * This program is free software: you can redistribute it and/or modify
    * it under the terms of the GNU Affero General Public License as published by
    * the Free Software Foundation, either version 3 of the License, or
    * (at your option) any later version.
    *
    * This program 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 Affero General Public License for more details.
   *
   * You should have received a copy of the GNU Affero General Public License
   * along with this program. If not, see <http://www.gnu.org/licenses/>.
   */
  package org.exoplatform.services.cms.jcrext.activity;
  
  import javax.jcr.Item;
  import javax.jcr.Node;
  import javax.jcr.Property;
  
  import org.apache.commons.chain.Context;
  import org.exoplatform.services.command.action.Action;
  import org.exoplatform.services.listener.ListenerService;
  import org.exoplatform.services.security.ConversationState;
  import org.exoplatform.services.wcm.utils.WCMCoreUtils;
  
  /**
   * Created by The eXo Platform SAS
   * Author : Nguyen The Vinh From ECM Of eXoPlatform
   *          vinh_nguyen@exoplatform.com
   * 11 Jan 2013  
   */
  public class EditPropertyActivityAction implements Action{
    private ListenerService listenerService=null;
    private ActivityCommonService activityService = null;
    public EditPropertyActivityAction() {
      listenerService =  WCMCoreUtils.getService(ListenerService.class);
      activityService = WCMCoreUtils.getService(ActivityCommonService.class);
    }
    @Override
    public boolean execute(Context context) throws Exception {
      Object item = context.get("currentItem");
      Node node = (item instanceof Property) ?((Property)item).getParent():(Node)item;
      Node nodeTemp = activityService.isSpecialContentNodeType((Item) item);
      String propertyName = (item instanceof Property) ?((Property)item).getName():((Node)item).getName();
      if (nodeTemp !=null) {
        if (!activityService.isCreating(nodeTemp)) { 
          //Consider this special case as changing of content
          String itemPath = ((Item) item).getPath();
          String nodePath = nodeTemp.getPath();
          String referencePath = itemPath.substring(nodePath.length());
          if (referencePath.startsWith("/")) {
            referencePath = referencePath.substring(1);
          }
          listenerService.broadcast(ActivityCommonService.EDIT_ACTIVITY, nodeTemp, referencePath);
        }
      }
      nodeTemp = node;
      // Do not create / update activity for bellow cases
      if (!activityService.isAcceptedProperties(propertyName)) return false;
      if (ConversationState.getCurrent() == null) return false;
      
      if(node.isNodeType("nt:resource")) node = node.getParent();
      //filter node type
      if (activityService.isAcceptedNode(node)) {
        //Notify to update activity
        if (!activityService.isCreating(node)) {
          listenerService.broadcast(ActivityCommonService.EDIT_ACTIVITY, node, propertyName);
        }      
      }
      return false;
    }
  
  }