# QuestionIndexer.java

    /*
     * Copyright (C) 2000 - 2024 Silverpeas
     *
     * 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.
     *
     * As a special exception to the terms and conditions of version 3.0 of
     * the GPL, you may redistribute this Program in connection with Free/Libre
     * Open Source Software ("FLOSS") applications as described in Silverpeas's
     * FLOSS exception. You should have received a copy of the text describing
     * the FLOSS exception, and it is also available here:
     * "http://www.silverpeas.org/docs/core/legal/floss_exception.html"
     *
     * 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 <https://www.gnu.org/licenses/>.
     */
    package org.silverpeas.components.questionreply.index;

    import org.silverpeas.components.questionreply.model.Question;
    import org.silverpeas.components.questionreply.model.Reply;
    import org.silverpeas.core.annotation.Bean;
    import org.silverpeas.kernel.annotation.Technical;
    import org.silverpeas.core.index.indexing.model.FullIndexEntry;
    import org.silverpeas.core.index.indexing.model.IndexEngineProxy;
    import org.silverpeas.core.index.indexing.model.IndexEntryKey;
    import org.silverpeas.core.util.DateUtil;
    import org.silverpeas.kernel.logging.SilverLogger;

    import java.text.ParseException;
    import java.util.Collection;

    /**
     * @author ehugonnet
     */
    @Technical
    @Bean
    public class QuestionIndexer {

      public void createIndex(Question question, Collection<Reply> replies) {
        FullIndexEntry indexEntry =
            new FullIndexEntry(new IndexEntryKey(question.getInstanceId(), "Question",
                question.getPK().getId()));
        indexEntry.setTitle(question.getTitle());
        indexEntry.setPreview(question.getContent());
        try {
          indexEntry.setCreationDate(DateUtil.parse(question.getCreationDate()));
        } catch (ParseException e) {
          SilverLogger.getLogger(this).warn(e);
        }
        indexEntry.setCreationUser(question.getCreatorId());
        indexEntry.addTextContent(question.getContent());
        indexEntry.addTextContent(question.getTitle());
        for (Reply reply : replies) {
          indexEntry.addTextContent(reply.getTitle());
          indexEntry.addTextContent(reply.loadWysiwygContent());
        }
        IndexEngineProxy.addIndexEntry(indexEntry);
      }

      public void updateIndex(Question question, Collection<Reply> replies) {
        deleteIndex(question);
        createIndex(question, replies);
      }

      /**
       * Delete index of the specified question.
       * @implNote The index of the replies to the question isn't deleted.
       * @param question a question
       */
      public void deleteIndex(Question question) {
        IndexEntryKey indexEntry =
            new IndexEntryKey(question.getInstanceId(), "Question", question.getPK().getId());
        IndexEngineProxy.removeIndexEntry(indexEntry);
      }
    }