/*
    * Copyright (c) 2002-2014, Mairie de 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.document.modules.ckan.service;
  
  import fr.paris.lutece.plugins.document.business.Document;
  import fr.paris.lutece.plugins.document.business.DocumentHome;
  import fr.paris.lutece.plugins.document.business.portlet.DocumentPortletHome;
  import fr.paris.lutece.plugins.document.modules.ckan.business.PackageShowResult;
  import fr.paris.lutece.plugins.document.modules.ckan.business.WSBase;
  import fr.paris.lutece.plugins.document.modules.ckan.business.WSError;
  import fr.paris.lutece.plugins.document.modules.ckan.business.WSPackageList;
  import fr.paris.lutece.plugins.document.modules.ckan.business.WSPackageShow;
  import fr.paris.lutece.plugins.document.modules.ckan.business.WSResult;
  import fr.paris.lutece.portal.service.util.AppPropertiesService;
  
  import org.xml.sax.SAXException;
  
  import java.util.ArrayList;
  import java.util.List;
  
  
  /**
   * PackageServiceV3
   */
  public final class PackageServiceV3
  {
      private static final String PROPERTY_HELP_PACKAGE_LIST = "document-ckan.help.package_list";
      private static final String PROPERTY_HELP_PACKAGE_SHOW = "document-ckan.help.package_show";
      private static final String PROPERTY_DATASET_SPACE_ID = "document-ckan.datasetSpaceId";
  
      /** Private constructor */
      private PackageServiceV3(  )
      {
          
      }
      
      /**
       * Get the package list
       * @return The package list
       */
      public static WSBase getPackageList(  )
      {
          WSPackageList pl = new WSPackageList(  );
          pl.setHelp( AppPropertiesService.getProperty( PROPERTY_HELP_PACKAGE_LIST ) );
          pl.setSuccess( true );
  
          List<String> listResults = new ArrayList<String>(  );
          int nSpaceId = Integer.parseInt( AppPropertiesService.getProperty( PROPERTY_DATASET_SPACE_ID ) );
  
          for ( Document doc : DocumentHome.findBySpaceKey( nSpaceId ) )
          {
              listResults.add( CkanService.getNameId( doc ) );
          }
  
          pl.setResult( listResults );
  
          return pl;
      }
  
      /**
       * Returns the Package Show response
       * @param strId The dataset ID
       * @return The Package Show response
       * @throws SAXException If a parsing error occurs
       */
      public static WSBase getPackageShow( String strId )
          throws SAXException
      {
         String strHelp = AppPropertiesService.getProperty( PROPERTY_HELP_PACKAGE_SHOW );
         Document doc;
 
         try
         {
             doc = DocumentHome.findByPrimaryKey( Integer.parseInt( strId ) );
         }
         catch ( NumberFormatException e )
         {
             return new WSError( WSError.MESSAGE_INVALID, WSError.TYPE_INVALID, strHelp );
         }
 
         if ( doc == null )
         {
             return new WSError( WSError.MESSAGE_NOT_FOUND, WSError.TYPE_NOT_FOUND, strHelp );
         }
 
         PackageShowResult psr = new PackageShowResult(  );
         List<Integer> listPublications = DocumentPortletHome.findPortletForDocument( doc.getId(  ) );
 
         if ( listPublications.isEmpty(  ) )
         {
             // dataset is not published
             return new WSError( WSError.MESSAGE_NOT_FOUND, WSError.TYPE_NOT_FOUND, strHelp );
         }
 
         int nPortletId = listPublications.get( 0 );
         WSResult ps = new WSPackageShow(  );
         ps.setHelp( strHelp );
         psr = DocumentParser.parse( psr, doc.getXmlValidatedContent(  ), nPortletId );
         ps.setResult( psr );
 
         return ps;
     }
 }