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/*
* Copyright (C) 2013 Intel Corporation.
*
* Author: Jussi Kukkonen <jussi.kukkonen@intel.com>
*
* This file is part of Rygel.
*
* Rygel is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* Rygel 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
using Rygel;
using Rygel.Database;
using Sqlite;
public class Rygel.LMS.Albums : Rygel.LMS.CategoryContainer {
private static const string SQL_ALL =
"SELECT audio_albums.id, audio_albums.name as title, " +
"audio_artists.name as artist " +
"FROM audio_albums " +
"LEFT JOIN audio_artists " +
"ON audio_albums.artist_id = audio_artists.id " +
"LIMIT ? OFFSET ?;";
private static const string SQL_ALL_WITH_FILTER_TEMPLATE =
"SELECT audio_albums.id, audio_albums.name as title, " +
"audio_artists.name as artist " +
"FROM audio_albums " +
"LEFT JOIN audio_artists " +
"ON audio_albums.artist_id = audio_artists.id " +
"WHERE %s " +
"LIMIT ? OFFSET ?;";
private static const string SQL_COUNT =
"SELECT COUNT(audio_albums.id) " +
"FROM audio_albums;";
private static const string SQL_COUNT_WITH_FILTER_TEMPLATE =
"SELECT COUNT(audio_albums.id), audio_albums.name as title, " +
"audio_artists.name as artist " +
"FROM audio_albums " +
"LEFT JOIN audio_artists " +
"ON audio_albums.artist_id = audio_artists.id " +
"WHERE %s;";
/* count songs inside albums */
private static const string SQL_CHILD_COUNT_WITH_FILTER_TEMPLATE =
"SELECT COUNT(audios.id), audios.title as title, " +
"audio_artists.name as artist " +
"FROM audios, files, audio_albums " +
"LEFT JOIN audio_artists " +
"ON audios.artist_id = audio_artists.id " +
"WHERE dtime = 0 AND audios.id = files.id AND audios.album_id = audio_albums.id %s;";
/* select songs inside albums */
private static const string SQL_CHILD_ALL_WITH_FILTER_TEMPLATE =
"SELECT files.id, files.path, files.size, " +
"audios.title as title, audios.trackno, audios.length, audios.channels, audios.sampling_rate, audios.bitrate, audios.dlna_profile, audios.dlna_mime, " +
"audio_artists.name as artist, " +
"audio_albums.name, audio_albums.id " +
"FROM audios, files, audio_albums " +
"LEFT JOIN audio_artists " +
"ON audios.artist_id = audio_artists.id " +
"WHERE dtime = 0 AND audios.id = files.id AND audios.album_id = audio_albums.id %s " +
"LIMIT ? OFFSET ?;";
private static const string SQL_FIND_OBJECT =
"SELECT audio_albums.id, audio_albums.name " +
"FROM audio_albums " +
"WHERE audio_albums.id = ?;";
protected override string get_sql_all_with_filter (string filter) {
if (filter.length == 0) {
return Albums.SQL_ALL;
}
return (Albums.SQL_ALL_WITH_FILTER_TEMPLATE.printf (filter));
}
protected override string get_sql_count_with_filter (string filter) {
if (filter.length == 0) {
return Albums.SQL_COUNT;
}
return (Albums.SQL_COUNT_WITH_FILTER_TEMPLATE.printf (filter));
}
protected override uint get_child_count_with_filter (string where_filter,
ValueArray args) {
/* search the children (albums) as usual */
var count = base.get_child_count_with_filter (where_filter, args);
/* now search the album contents */
var filter = "";
if (where_filter.length > 0) {
filter = "AND %s".printf (where_filter);
}
var query = Albums.SQL_CHILD_COUNT_WITH_FILTER_TEMPLATE.printf (filter);
try {
count += this.lms_db.query_value (query, args.values);
} catch (DatabaseError e) {
warning ("Query failed: %s", e.message);
}
return count;
}
protected override MediaObjects? get_children_with_filter
(string where_filter,
ValueArray args,
string sort_criteria,
uint offset,
uint max_count) {
var children = base. get_children_with_filter (where_filter,
args,
sort_criteria,
offset,
max_count);
var filter = "";
if (where_filter.length > 0) {
filter = "AND %s".printf (where_filter);
}
var query = Albums.SQL_CHILD_ALL_WITH_FILTER_TEMPLATE.printf (filter);
try {
var cursor = this.lms_db.exec_cursor (query, args.values);
foreach (var stmt in cursor) {
var album_id = stmt.column_text (13);
var album = new Album (album_id, this, "", this.lms_db);
var song = album.object_from_statement (stmt);
song.parent_ref = song.parent;
children.add (song);
}
} catch (DatabaseError e) {
warning ("Query failed: %s", e.message);
}
return children;
}
protected override MediaObject? object_from_statement (Statement statement) {
var id = "%d".printf (statement.column_int (0));
LMS.Album album = new LMS.Album (id,
this,
statement.column_text (1),
this.lms_db);
return album;
}
public Albums (MediaContainer parent,
LMS.Database lms_db) {
base ("albums",
parent,
_("Albums"),
lms_db,
Albums.SQL_ALL,
Albums.SQL_FIND_OBJECT,
Albums.SQL_COUNT,
null, null);
}
}
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