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95 lines
3.6 KiB
95 lines
3.6 KiB
/*
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This file is part of Airsonic.
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Airsonic is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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Airsonic is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Airsonic. If not, see <http://www.gnu.org/licenses/>.
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Copyright 2016 (C) Airsonic Authors
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Based upon Subsonic, Copyright 2009 (C) Sindre Mehus
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*/
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package org.airsonic.player.dao;
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import org.airsonic.player.domain.Bookmark;
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import org.springframework.jdbc.core.RowMapper;
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import org.springframework.stereotype.Repository;
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import org.springframework.transaction.annotation.Transactional;
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import java.sql.ResultSet;
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import java.sql.SQLException;
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import java.util.List;
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/**
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* Provides database services for media file bookmarks.
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*
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* @author Sindre Mehus
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*/
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@Repository
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public class BookmarkDao extends AbstractDao {
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private static final String INSERT_COLUMNS = "media_file_id, position_millis, username, comment, created, changed";
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private static final String QUERY_COLUMNS = "id, " + INSERT_COLUMNS;
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private BookmarkRowMapper bookmarkRowMapper = new BookmarkRowMapper();
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/**
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* Returns all bookmarks.
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*
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* @return Possibly empty list of all bookmarks.
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*/
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public List<Bookmark> getBookmarks() {
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String sql = "select " + QUERY_COLUMNS + " from bookmark";
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return query(sql, bookmarkRowMapper);
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}
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/**
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* Returns all bookmarks for a given user.
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*
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* @return Possibly empty list of all bookmarks for the user.
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*/
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public List<Bookmark> getBookmarks(String username) {
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String sql = "select " + QUERY_COLUMNS + " from bookmark where username=?";
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return query(sql, bookmarkRowMapper, username);
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}
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/**
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* Creates or updates a bookmark. If created, the ID of the bookmark will be set by this method.
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*/
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@Transactional
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public void createOrUpdateBookmark(Bookmark bookmark) {
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int n = update("update bookmark set position_millis=?, comment=?, changed=? where media_file_id=? and username=?",
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bookmark.getPositionMillis(), bookmark.getComment(), bookmark.getChanged(), bookmark.getMediaFileId(), bookmark.getUsername());
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if (n == 0) {
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update("insert into bookmark (" + INSERT_COLUMNS + ") values (" + questionMarks(INSERT_COLUMNS) + ")",
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bookmark.getMediaFileId(), bookmark.getPositionMillis(), bookmark.getUsername(), bookmark.getComment(),
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bookmark.getCreated(), bookmark.getChanged());
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int id = queryForInt("select id from bookmark where media_file_id=? and username=?", 0, bookmark.getMediaFileId(), bookmark.getUsername());
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bookmark.setId(id);
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}
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}
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/**
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* Deletes the bookmark for the given username and media file.
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*/
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@Transactional
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public void deleteBookmark(String username, int mediaFileId) {
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update("delete from bookmark where username=? and media_file_id=?", username, mediaFileId);
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}
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private static class BookmarkRowMapper implements RowMapper<Bookmark> {
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public Bookmark mapRow(ResultSet rs, int rowNum) throws SQLException {
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return new Bookmark(rs.getInt(1), rs.getInt(2), rs.getLong(3), rs.getString(4),
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rs.getString(5), rs.getTimestamp(6), rs.getTimestamp(7));
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}
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}
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}
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