/*
    * Copyright (c) 2002-2021, City of Paris
    * All rights reserved.
    *
    * Redistribution and use in source and binary forms, with or without
    * modification, are permitted provided that the following conditions
    * are met:
    *
    *  1. Redistributions of source code must retain the above copyright notice
   *     and the following disclaimer.
   *
   *  2. Redistributions in binary form must reproduce the above copyright notice
   *     and the following disclaimer in the documentation and/or other materials
   *     provided with the distribution.
   *
   *  3. Neither the name of 'Mairie de Paris' nor 'Lutece' nor the names of its
   *     contributors may be used to endorse or promote products derived from
   *     this software without specific prior written permission.
   *
   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
   * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
   * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
   * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
   * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
   * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
   * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
   * POSSIBILITY OF SUCH DAMAGE.
   *
   * License 1.0
   */
  package fr.paris.lutece.plugins.extend.service;
  
  import fr.paris.lutece.plugins.extend.business.extender.ResourceExtenderDTO;
  import fr.paris.lutece.plugins.extend.business.extender.ResourceExtenderDTOFilter;
  import fr.paris.lutece.plugins.extend.service.extender.IResourceExtenderService;
  import fr.paris.lutece.plugins.extend.service.extender.ResourceExtenderService;
  import fr.paris.lutece.plugins.extend.service.extender.history.IResourceExtenderHistoryService;
  import fr.paris.lutece.plugins.extend.service.extender.history.ResourceExtenderHistoryService;
  import fr.paris.lutece.portal.service.resource.IExtendableResourceRemovalListener;
  import fr.paris.lutece.portal.service.spring.SpringContextService;
  
  import java.util.List;
  import java.util.Map;
  
  /**
   * Remove extensions of resources when they are removed
   */
  public class ExtendableResourceRemovalListener implements IExtendableResourceRemovalListener
  {
      private IResourceExtenderService _resourceExtenderService;
      private IResourceExtenderHistoryService _resourceExtenderHistoryService;
  
      /**
       * {@inheritDoc}
       */
      @Override
      public void doRemoveResourceExtentions( String strExtendableResourceType, String strIdExtendableResource )
      {
          IResourceExtenderService resourceExtenderService = getResourceExtenderService( );
          IResourceExtenderHistoryService resourceExtenderHistoryService = getResourceExtenderHistoryService( );
          ResourceExtenderDTOFilterxtender/ResourceExtenderDTOFilter.html#ResourceExtenderDTOFilter">ResourceExtenderDTOFilter filter = new ResourceExtenderDTOFilter( );
          filter.setFilterExtendableResourceType( strExtendableResourceType );
          filter.setFilterIdExtendableResource( strIdExtendableResource );
  
          // We get and remove every extender associated with the removed resource
          List<ResourceExtenderDTO> listResourceExtender = resourceExtenderService.findByFilter( filter );
  
          if ( ( listResourceExtender != null ) && ( listResourceExtender.size( ) > 0 ) )
          {
              for ( ResourceExtenderDTO extender : listResourceExtender )
              {
                  resourceExtenderService.doDeleteResourceAddOn( extender );
                  resourceExtenderService.remove( extender.getIdExtender( ) );
                  resourceExtenderHistoryService.removeByResource( extender.getExtenderType( ), strIdExtendableResource, strExtendableResourceType );
              }
          }
  
          ResourceExtenderDTOss/extender/ResourceExtenderDTO.html#ResourceExtenderDTO">ResourceExtenderDTO extender = new ResourceExtenderDTO( );
          extender.setExtendableResourceType( strExtendableResourceType );
          extender.setIdExtendableResource( strIdExtendableResource );
          extender.setIdExtender( 0 );
  
          // We now remove add on of extender associated with every resources of this resource type
          Map<String, Boolean> mapExtenderTypes = resourceExtenderService.getExtenderTypesInstalled( strIdExtendableResource, strExtendableResourceType,
                  ExtendPlugin.getPlugin( ) );
  
          for ( String strExtenderType : mapExtenderTypes.keySet( ) )
          {
              extender.setExtenderType( strExtenderType );
              resourceExtenderService.doDeleteResourceAddOn( extender );
              resourceExtenderHistoryService.removeByResource( strExtenderType, strIdExtendableResource, strExtendableResourceType );
          }
      }
  
      /**
       * Get the resource extender service
      * 
      * @return the resource extender service
      */
     private IResourceExtenderService getResourceExtenderService( )
     {
         if ( _resourceExtenderService == null )
         {
             synchronized( this )
             {
                 // Double null check to prevent concurrency errors
                 if ( _resourceExtenderService == null )
                 {
                     _resourceExtenderService = SpringContextService.getBean( ResourceExtenderService.BEAN_SERVICE );
                 }
             }
         }
 
         return _resourceExtenderService;
     }
 
     /**
      * Get the resource extender history service
      * 
      * @return the resource extender history service
      */
     private IResourceExtenderHistoryService getResourceExtenderHistoryService( )
     {
         if ( _resourceExtenderHistoryService == null )
         {
             synchronized( this )
             {
                 // Double null check to prevent concurrency errors
                 if ( _resourceExtenderHistoryService == null )
                 {
                     _resourceExtenderHistoryService = SpringContextService.getBean( ResourceExtenderHistoryService.BEAN_SERVICE );
                 }
             }
         }
 
         return _resourceExtenderHistoryService;
     }
 }