2 * SomePlayer - An alternate music player for Maemo 5
3 * Copyright (C) 2010 Nikolay (somebody) Tischenko <niktischenko@gmail.com>
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License
7 * as published by the Free Software Foundation; either version 2
8 * of the License, or (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
20 #include "filestorage.h"
22 #include <QDirIterator>
24 #include <QTextStream>
28 using namespace SomePlayer::Storage;
29 using namespace SomePlayer::DataObjects;
31 FileStorage::FileStorage(QString path) {
33 _meta_regexp.setPattern("#META\\ +\\[(\\d+)\\]\\[(\\d+)\\].*::(.+)::,::(.+)::,::(.+)::");
34 _path_regexp.setPattern("#PATH (.+)");
36 Playlist current = getCurrentPlaylist();
37 if (current.name() == PLAYLIST_BAD_NAME) {
38 current.setName(_CURRENT_PLAYLIST_NAME_);
39 saveCurrentPlaylist(current);
43 QList<Playlist> FileStorage::getPlaylists() {
48 Playlist FileStorage::getPlaylist(QString name) {
49 if (name == _CURRENT_PLAYLIST_SUBST_)
50 name = _CURRENT_PLAYLIST_NAME_;
51 QFile playlistFile (_path_prefix+"/"+name+"."+_PLAYLIST_FILE_EXTENSION_);
53 playlist.setName(PLAYLIST_BAD_NAME);
54 if (playlistFile.exists()) {
55 playlist.setName(name);
56 playlistFile.open(QFile::ReadOnly);
57 QTextStream stream(&playlistFile);
58 QString buffer = stream.readLine();
59 if (buffer.startsWith(_PLAYLIST_SIGNATURE_)) {
60 while (!stream.atEnd()) {
61 buffer = stream.readLine();
62 if (_meta_regexp.indexIn(buffer) != -1) {
63 int id = _meta_regexp.cap(1).toInt();
64 int seconds = _meta_regexp.cap(2).toInt();
65 QString artist = _meta_regexp.cap(3);
66 QString album = _meta_regexp.cap(4);
67 QString title = _meta_regexp.cap(5);
68 buffer = stream.readLine();
69 if (_path_regexp.indexIn(buffer) != -1) {
70 QString source = _path_regexp.cap(1);
71 TrackMetadata meta(title, artist, album, seconds);
72 Track track(id, meta, source);
73 playlist.addTrack(track);
82 QStringList FileStorage::getPlaylistsNames() {
83 QDir directory(_path_prefix);
84 QDirIterator iterator(directory, QDirIterator::FollowSymlinks);
85 QStringList playlistNames;
86 while (iterator.hasNext()) {
87 QString entry = iterator.next();
88 QFileInfo info(entry);
89 QString suffix = info.suffix().toLower();
90 if (suffix == _PLAYLIST_FILE_EXTENSION_) {
91 QString name = info.fileName().replace(QString(".%1").arg(_PLAYLIST_FILE_EXTENSION_), "", Qt::CaseInsensitive);
92 if (name == _CURRENT_PLAYLIST_NAME_)
93 name = _CURRENT_PLAYLIST_SUBST_;
94 playlistNames.append(name);
100 void FileStorage::savePlaylist(Playlist playlist) {
101 QString name = playlist.name();
102 if (playlist.name() == _CURRENT_PLAYLIST_SUBST_)
103 name = _CURRENT_PLAYLIST_NAME_;
104 QString filename = _path_prefix + "/" +name+"."_PLAYLIST_FILE_EXTENSION_;
105 QFile playlistFile(filename);
106 if (playlistFile.exists()) {
107 playlistFile.remove();
109 playlistFile.open(QFile::WriteOnly);
110 QTextStream stream(&playlistFile);
111 stream << _PLAYLIST_SIGNATURE_ << endl;
112 const QList<Track> &tracks = playlist.tracks();
113 foreach (Track track, tracks) {
114 stream << _PLAYLIST_META_KEYWORD_ << " [" << track.id() << "]" << "[" << track.metadata().length() << "],::"
115 << track.metadata().artist() << "::,::" << track.metadata().album() << "::,::"
116 << track.metadata().title() << "::" << endl;
117 stream << _PLAYLIST_PATH_KEYWORD_ << " " << track.source() << endl;
121 void FileStorage::removePlaylist(Playlist playlist) {
122 QString filename = _path_prefix + "/" + playlist.name() + "." + _PLAYLIST_FILE_EXTENSION_;
123 QFile file(filename);
127 void FileStorage::removePlaylist(QString name) {
128 QString filename = _path_prefix + "/" + (name == _CURRENT_PLAYLIST_SUBST_ ? _CURRENT_PLAYLIST_NAME_ : name)
129 + "." + _PLAYLIST_FILE_EXTENSION_;
130 QFile file(filename);
134 Playlist FileStorage::getCurrentPlaylist() {
135 return getPlaylist(_CURRENT_PLAYLIST_NAME_);
138 void FileStorage::saveCurrentPlaylist(Playlist playlist) {
139 playlist.setName(_CURRENT_PLAYLIST_NAME_);
140 savePlaylist(playlist);