# TopicSearchDaoImpl.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:
     * "https://www.silverpeas.org/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.kmelia.dao;

    import org.silverpeas.components.kmelia.model.MostInterestedQueryVO;
    import org.silverpeas.core.annotation.Repository;
    import org.silverpeas.core.persistence.jdbc.sql.JdbcSqlQuery;
    import org.silverpeas.core.util.ResourceLocator;
    import org.silverpeas.core.util.SettingBundle;
    import org.silverpeas.core.util.logging.SilverLogger;

    import java.sql.SQLException;
    import java.util.List;

    /**
     * This class is the Jdbc Dao implementation of TopicSearchDao
     * @author ebonnet
     */
    @Repository
    public class TopicSearchDaoImpl implements TopicSearchDao {

      private static final String QUERY_GET_LIST_MOST_INTERESTED_QUERY =
          "count(*) as nb, query FROM sc_kmelia_search WHERE instanceid = ? GROUP BY query, " +
              "language ORDER BY nb DESC, query";

      private static SettingBundle settings =
          ResourceLocator.getSettingBundle("org.silverpeas.kmelia.settings.kmeliaSettings");

      @Override
      public List<MostInterestedQueryVO> getMostInterestedSearch(String instanceId) {
        // Set the max number of result to retrieve
        JdbcSqlQuery jdbcSqlQuery =
            JdbcSqlQuery.createSelect(QUERY_GET_LIST_MOST_INTERESTED_QUERY, instanceId).configure(
                config -> config.withResultLimit(
                    settings.getInteger("kmelia.stats.most.interested.query.limit", 10)));
        List<MostInterestedQueryVO> mostInterestedQueries = null;
        try {
          mostInterestedQueries = jdbcSqlQuery
              .execute(row -> new MostInterestedQueryVO(row.getString("query"), row.getInt("nb")));
        } catch (SQLException e) {
          SilverLogger.getLogger(this)
              .error("Problem to execute SQL query " + QUERY_GET_LIST_MOST_INTERESTED_QUERY +
                  " with intanceId = " + instanceId, e);
        }
        return mostInterestedQueries;
      }
    }