/*
    * Copyright (c) 2002-2018, 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.stock.modules.recommendation.web;
  
  import fr.paris.lutece.plugins.stock.modules.recommendation.business.RecommendedProduct;
  import fr.paris.lutece.plugins.stock.modules.recommendation.service.StockRecommendationService;
  import fr.paris.lutece.portal.service.content.PageData;
  import fr.paris.lutece.portal.service.includes.PageInclude;
  import fr.paris.lutece.portal.service.security.UserNotSignedException;
  import fr.paris.lutece.portal.service.template.AppTemplateService;
  import fr.paris.lutece.portal.web.l10n.LocaleService;
  import fr.paris.lutece.util.html.HtmlTemplate;
  import java.util.HashMap;
  import java.util.List;
  import java.util.Map;
  import javax.servlet.http.HttpServletRequest;
  import org.apache.mahout.cf.taste.common.TasteException;
  
  /**
   * RecommendationPageInclude
   */
  public class RecommendationPageInclude implements PageInclude
  {
      private static final String TEMPLATE_PAGE_INCLUDE = "/skin/plugins/stock/modules/recommendation/page_include.html";
      private static final String MARK_RECOMMENDATIONS = "recommendations";
  
      /**
       * {@inheritDoc }
       */
      @Override
      public void fillTemplate( Map<String, Object> rootModel, PageData data, int nMode, HttpServletRequest request )
      {
          String strContent;
          List<RecommendedProduct> listProducts = null;
          try
          {
              String strUserName = RecommendationApp.getUsername( request );
              listProducts = StockRecommendationService.instance( ).getRecommendedProducts( strUserName );
              Map<String, Object> model = new HashMap<>( );
              model.put( RecommendationApp.MARK_PRODUCTS_LIST, listProducts );
              model.put( RecommendationApp.MARK_PRODUCT_LINK_URL, RecommendationApp.PRODUCT_LINK_URL );
              HtmlTemplate template = AppTemplateService.getTemplate( TEMPLATE_PAGE_INCLUDE, LocaleService.getDefault( ), model );
              strContent = template.getHtml( );
          }
          catch( TasteException ex )
          {
              // User not found
              strContent = "User not found";
          }
          catch( UserNotSignedException ex )
          {
              // User not signed
              strContent = "User not signed";
          }
  
          rootModel.put( MARK_RECOMMENDATIONS, strContent );
      }
  
  }