/*
    * Copyright (C) 2003-2008 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 General Public License for more details.
   *
   * You should have received a copy of the GNU General Public License
   * along with this program; if not, see<http://www.gnu.org/licenses/>.
   */
  package org.exoplatform.services.wcm.core.impl;
  
  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.jcr.ext.common.SessionProvider;
  import org.exoplatform.services.log.ExoLogger;
  import org.exoplatform.services.log.Log;
  import org.exoplatform.services.wcm.core.NodetypeConstant;
  import org.exoplatform.services.wcm.core.WebSchemaConfigService;
  import org.exoplatform.services.wcm.utils.WCMCoreUtils;
  /**
   * Created by The eXo Platform SAS
   * Author : Hoa Pham
   *          hoa.pham@exoplatform.com
   * Sep 17, 2008
   */
  public class WebSchemaModificationAction implements Action{
    private static final Log LOG = ExoLogger.getLogger(WebSchemaModificationAction.class.getName());
    public boolean execute(Context context) throws Exception {
      Property property = (Property)context.get("currentItem");
      String propertyName = property.getName();
  
      if (!propertyName.equals("jcr:data")
          && !propertyName.equals(NodetypeConstant.EXO_PRIORITY)
          && !propertyName.equals(NodetypeConstant.EXO_ACTIVE)
          && !propertyName.equals("exo:restorePath")) {
  
        // use exo:active in case of exo:cssFile or exo:jsFile
        return propertyName.equalsIgnoreCase("exo:active");
      }
      Node grandParent = property.getParent().getParent();
      if(propertyName.equals("jcr:data") && !grandParent.getPrimaryNodeType().getName().equals("nt:file"))
        return false;
  
      WebSchemaConfigService schemaConfigService = WCMCoreUtils.getService(WebSchemaConfigService.class);
      SessionProvider sessionProvider = WCMCoreUtils.getSystemSessionProvider();
  
      Node node = null;
      if (propertyName.equals("jcr:data")) {
        node = grandParent;
      } else {
        node = property.getParent();
      }
  
      try {
        if (propertyName.equals("exo:restorePath")) {
          schemaConfigService.updateSchemaOnRemove(sessionProvider, node);
        } else {
          schemaConfigService.updateSchemaOnModify(sessionProvider, node);
        }
      } catch (Exception e) {
        if (LOG.isErrorEnabled()) {
          LOG.error("Error when update schema when modify node: "+node.getPath(), e);
        }
      }
      return true;
    }
  
  }