content: /*
   This file is part of Airsonic.
  
   Airsonic is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation, either version 3 of the License, or
   (at your option) any later version.
  
   Airsonic 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 General Public License for more details.
  
   You should have received a copy of the GNU General Public License
   along with Airsonic.  If not, see <http://www.gnu.org/licenses/>.
  
   Copyright 2016 (C) Airsonic Authors
   Based upon Subsonic, Copyright 2009 (C) Sindre Mehus
   */
  package org.airsonic.player.dao;
  
  import org.airsonic.player.domain.Transcoding;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  import org.springframework.jdbc.core.RowMapper;
  import org.springframework.stereotype.Repository;
  import org.springframework.transaction.annotation.Transactional;
  
  import java.sql.ResultSet;
  import java.sql.SQLException;
  import java.util.List;
  
  /**
   * Provides database services for transcoding configurations.
   *
   * @author Sindre Mehus
   */
  @Repository
  public class TranscodingDao extends AbstractDao {
  
      private static final Logger LOG = LoggerFactory.getLogger(TranscodingDao.class);
      private static final String INSERT_COLUMNS = "name, source_formats, target_format, step1, step2, step3, default_active";
      private static final String QUERY_COLUMNS = "id, " + INSERT_COLUMNS;
      private TranscodingRowMapper rowMapper = new TranscodingRowMapper();
  
      /**
       * Returns all transcodings.
       *
       * @return Possibly empty list of all transcodings.
       */
      public List<Transcoding> getAllTranscodings() {
          String sql = "select " + QUERY_COLUMNS + " from transcoding2";
          return query(sql, rowMapper);
      }
  
      /**
       * Returns all active transcodings for the given player.
       *
       * @param playerId The player ID.
       * @return All active transcodings for the player.
       */
      public List<Transcoding> getTranscodingsForPlayer(Integer playerId) {
          String sql = "select " + QUERY_COLUMNS + " from transcoding2, player_transcoding2 " +
                       "where player_transcoding2.player_id = ? " +
                       "and   player_transcoding2.transcoding_id = transcoding2.id";
          return query(sql, rowMapper, playerId);
      }
  
      /**
       * Sets the list of active transcodings for the given player.
       *
       * @param playerId       The player ID.
       * @param transcodingIds ID's of the active transcodings.
       */
      public void setTranscodingsForPlayer(Integer playerId, int[] transcodingIds) {
          update("delete from player_transcoding2 where player_id = ?", playerId);
          String sql = "insert into player_transcoding2(player_id, transcoding_id) values (?, ?)";
          for (int transcodingId : transcodingIds) {
              update(sql, playerId, transcodingId);
          }
      }
  
      /**
       * Creates a new transcoding.
       *
       * @param transcoding The transcoding to create.
       */
      @Transactional
      public void createTranscoding(Transcoding transcoding) {
          Integer existingMax = getJdbcTemplate().queryForObject("select max(id) from transcoding2", Integer.class);
          if (existingMax == null) {
              existingMax = 0;
          }
          transcoding.setId(existingMax + 1);
          String sql = "insert into transcoding2 (" + QUERY_COLUMNS + ") values (" + questionMarks(QUERY_COLUMNS) + ")";
          update(sql, transcoding.getId(), transcoding.getName(), transcoding.getSourceFormats(),
                  transcoding.getTargetFormat(), transcoding.getStep1(),
                  transcoding.getStep2(), transcoding.getStep3(), transcoding.isDefaultActive());
          LOG.info("Created transcoding " + transcoding.getName());
      }
  
      /**
       * Deletes the transcoding with the given ID.
       *
       * @param id The transcoding ID.
       */
      public void deleteTranscoding(Integer id) {
          String sql = "delete from transcoding2 where id=?";
          update(sql, id);
          LOG.info("Deleted transcoding with ID " + id);
      }
  
      /**
       * Updates the given transcoding.
       *
       * @param transcoding The transcoding to update.
       */
      public void updateTranscoding(Transcoding transcoding) {
          String sql = "update transcoding2 set name=?, source_formats=?, target_format=?, " +
                  "step1=?, step2=?, step3=?, default_active=? where id=?";
          update(sql, transcoding.getName(), transcoding.getSourceFormats(),
                  transcoding.getTargetFormat(), transcoding.getStep1(), transcoding.getStep2(),
                  transcoding.getStep3(), transcoding.isDefaultActive(), transcoding.getId());
      }
  
      private static class TranscodingRowMapper implements RowMapper<Transcoding> {
          public Transcoding mapRow(ResultSet rs, int rowNum) throws SQLException {
              return new Transcoding(rs.getInt(1), rs.getString(2), rs.getString(3), rs.getString(4), rs.getString(5),
                      rs.getString(6), rs.getString(7), rs.getBoolean(8));
          }
      }
  }
  