# 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:
     * "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
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    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.kernel.bundle.ResourceLocator;
    import org.silverpeas.kernel.bundle.SettingBundle;
    import org.silverpeas.kernel.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 SettingBundle settings =
          ResourceLocator.getSettingBundle("org.silverpeas.kmelia.settings.kmeliaSettings");
      private static final String QUERY = "query";

      @Override
      public List<MostInterestedQueryVO> getMostInterestedSearch(String instanceId) {
        JdbcSqlQuery jdbcSqlQuery =
            JdbcSqlQuery.select("count(*) as nb, query").from("sc_kmelia_search")
                .where("instanceid = ?", instanceId)
                .groupBy(QUERY, "language")
                .orderBy("nb DESC", QUERY)
                .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 " + jdbcSqlQuery.getSqlQuery() +
                  " with intanceId = " + instanceId, e);
        }
        return mostInterestedQueries;
      }
    }