1 files changed, 142 insertions, 0 deletions
diff --git a/subsonic-main/src/main/java/net/sourceforge/subsonic/dao/PlaylistDao.java b/subsonic-main/src/main/java/net/sourceforge/subsonic/dao/PlaylistDao.java
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+++ b/subsonic-main/src/main/java/net/sourceforge/subsonic/dao/PlaylistDao.java
@@ -0,0 +1,142 @@
+/*
+ This file is part of Subsonic.
+
+ Subsonic 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.
+
+ Subsonic 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 Subsonic.  If not, see <http://www.gnu.org/licenses/>.
+
+ Copyright 2009 (C) Sindre Mehus
+ */
+package net.sourceforge.subsonic.dao;
+
+import net.sourceforge.subsonic.Logger;
+import net.sourceforge.subsonic.domain.MediaFile;
+import net.sourceforge.subsonic.domain.Playlist;
+import org.springframework.jdbc.core.RowMapper;
+import org.springframework.jdbc.core.simple.ParameterizedRowMapper;
+
+import java.sql.ResultSet;
+import java.sql.SQLException;
+import java.util.ArrayList;
+import java.util.Date;
+import java.util.List;
+import java.util.SortedMap;
+import java.util.TreeMap;
+
+/**
+ * Provides database services for playlists.
+ *
+ * @author Sindre Mehus
+ */
+public class PlaylistDao extends AbstractDao {
+
+    private static final Logger LOG = Logger.getLogger(PlaylistDao.class);
+    private static final String COLUMNS = "id, username, is_public, name, comment, file_count, duration_seconds, " +
+            "created, changed, imported_from";
+    private final RowMapper rowMapper = new PlaylistMapper();
+
+    public List<Playlist> getReadablePlaylistsForUser(String username) {
+
+        List<Playlist> result1 = getWritablePlaylistsForUser(username);
+        List<Playlist> result2 = query("select " + COLUMNS + " from playlist where is_public", rowMapper);
+        List<Playlist> result3 = query("select " + prefix(COLUMNS, "playlist") + " from playlist, playlist_user where " +
+                "playlist.id = playlist_user.playlist_id and " +
+                "playlist.username != ? and " +
+                "playlist_user.username = ?", rowMapper, username, username);
+
+        // Put in sorted map to avoid duplicates.
+        SortedMap<Integer, Playlist> map = new TreeMap<Integer, Playlist>();
+        for (Playlist playlist : result1) {
+            map.put(playlist.getId(), playlist);
+        }
+        for (Playlist playlist : result2) {
+            map.put(playlist.getId(), playlist);
+        }
+        for (Playlist playlist : result3) {
+            map.put(playlist.getId(), playlist);
+        }
+        return new ArrayList<Playlist>(map.values());
+    }
+
+    public List<Playlist> getWritablePlaylistsForUser(String username) {
+        return query("select " + COLUMNS + " from playlist where username=?", rowMapper, username);
+    }
+
+    public Playlist getPlaylist(int id) {
+        return queryOne("select " + COLUMNS + " from playlist where id=?", rowMapper, id);
+    }
+
+    public List<Playlist> getAllPlaylists() {
+        return query("select " + COLUMNS + " from playlist", rowMapper);
+    }
+
+    public synchronized void createPlaylist(Playlist playlist) {
+        update("insert into playlist(" + COLUMNS + ") values(" + questionMarks(COLUMNS) + ")",
+                null, playlist.getUsername(), playlist.isPublic(), playlist.getName(), playlist.getComment(),
+                0, 0, playlist.getCreated(), playlist.getChanged(), playlist.getImportedFrom());
+
+        int id = queryForInt("select max(id) from playlist", 0);
+        playlist.setId(id);
+    }
+
+    public void setFilesInPlaylist(int id, List<MediaFile> files) {
+        update("delete from playlist_file where playlist_id=?", id);
+        int duration = 0;
+        for (MediaFile file : files) {
+            update("insert into playlist_file (playlist_id, media_file_id) values (?, ?)", id, file.getId());
+            if (file.getDurationSeconds() != null) {
+                duration += file.getDurationSeconds();
+            }
+        }
+        update("update playlist set file_count=?, duration_seconds=?, changed=? where id=?", files.size(), duration, new Date(), id);
+    }
+
+    public List<String> getPlaylistUsers(int playlistId) {
+        return queryForStrings("select username from playlist_user where playlist_id=?", playlistId);
+    }
+
+    public void addPlaylistUser(int playlistId, String username) {
+        if (!getPlaylistUsers(playlistId).contains(username)) {
+            update("insert into playlist_user(playlist_id,username) values (?,?)", playlistId, username);
+        }
+    }
+
+    public void deletePlaylistUser(int playlistId, String username) {
+        update("delete from playlist_user where playlist_id=? and username=?", playlistId, username);
+    }
+
+    public synchronized void deletePlaylist(int id) {
+        update("delete from playlist where id=?", id);
+    }
+
+    public void updatePlaylist(Playlist playlist) {
+        update("update playlist set username=?, is_public=?, name=?, comment=?, changed=?, imported_from=? where id=?",
+                playlist.getUsername(), playlist.isPublic(), playlist.getName(), playlist.getComment(),
+                new Date(), playlist.getImportedFrom(), playlist.getId());
+    }
+
+    private static class PlaylistMapper implements ParameterizedRowMapper<Playlist> {
+        public Playlist mapRow(ResultSet rs, int rowNum) throws SQLException {
+            return new Playlist(
+                    rs.getInt(1),
+                    rs.getString(2),
+                    rs.getBoolean(3),
+                    rs.getString(4),
+                    rs.getString(5),
+                    rs.getInt(6),
+                    rs.getInt(7),
+                    rs.getTimestamp(8),
+                    rs.getTimestamp(9),
+                    rs.getString(10));
+        }
+    }
+}