git.maemo.org Git - someplayer/blob - src/library.cpp

   1 /*
   2  * SomePlayer - An alternate music player for Maemo 5
   3  * Copyright (C) 2010 Nikolay (somebody) Tischenko <niktischenko@gmail.com>
   4  *
   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.
   9  *
  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.
  14  *
  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.
  18  */
  19
  20 #include "library.h"
  21
  22 using namespace SomePlayer::DataObjects;
  23 using namespace SomePlayer::Storage;
  24
  25 #include "mediascanner.h"
  26 #include <QDir>
  27 #include <QDebug>
  28
  29 Library::Library(QString databasePath, QString playlistsPath) : QObject(0) {
  30         _library_storage = new DbStorage(databasePath);
  31         _playlist_storage = new FileStorage(playlistsPath);
  32         _scanner = new MediaScanner();
  33         _resolver = new TagResolver(this);
  34         connect(_scanner, SIGNAL(scanFinish(QStringList)), this, SLOT(_scanned(QStringList)));
  35         connect(_resolver, SIGNAL(started()), this, SIGNAL(started()));
  36         connect(_resolver, SIGNAL(done()), this, SIGNAL(done()));
  37         connect(_resolver, SIGNAL(decoded(Track)), this, SLOT(_decoded(Track)));
  38 }
  39
  40 Library::~Library() {
  41         delete _library_storage;
  42         delete _playlist_storage;
  43 }
  44
  45 void Library::addDirectory(QString path, bool async) {
  46         _scanner->init(path);
  47         if (async) _scanner->start(QThread::LowestPriority);
  48         else _scanner->run();
  49 }
  50
  51 void Library::addFile(QString path) {
  52         QStringList files(path);
  53         _resolver->decode(files);
  54 }
  55
  56 QList<QString> Library::getArtists() {
  57         return _library_storage->getArtists();
  58 }
  59
  60 QMap<QString, int> Library::getAlbumsForArtist(QString artist) {
  61         return _library_storage->getAlbumsForArtist(artist);
  62 }
  63
  64 QList<Track> Library::getTracksForAlbum(QString album, QString artist) {
  65         return _library_storage->getTracksForAlbum(album, artist);
  66 }
  67
  68 QList<Track> Library::getAllTracksForArtist(QString artist) {
  69         QList<Track> all;
  70         QMap<QString, int> albumsmap = getAlbumsForArtist(artist);
  71         QList<QString> albums = albumsmap.keys();
  72         foreach (QString album, albums) {
  73                 all.append(getTracksForAlbum(album, artist));
  74         }
  75         return all;
  76 }
  77
  78 // dynamic:
  79
  80 Playlist Library::getFavorites() {
  81         return _library_storage->getFavorites();
  82 }
  83
  84 Playlist Library::getMostPlayed() {
  85         return _library_storage->getMostPlayed();
  86 }
  87
  88 Playlist Library::getNeverPlayed() {
  89         return _library_storage->getNeverPlayed();
  90 }
  91
  92 Playlist Library::getRecentlyAdded() {
  93         return _library_storage->getRecentlyAdded();
  94 }
  95
  96
  97 void Library::removeTrack(Track track) {
  98         _library_storage->removeTrack(track);
  99 }
 100
 101 void Library::addTrack(Track track) {
 102         _library_storage->addTrack(track);
 103 }
 104
 105 void Library::addToFavorites(Track track) {
 106         _library_storage->addToFavorites(track);
 107 }
 108
 109 void Library::updateTrackCount(Track track) {
 110         _library_storage->updateTrackCount(track);
 111 }
 112
 113
 114 // playlists:
 115
 116 QList<Playlist> Library::getPlaylists() {
 117         return _playlist_storage->getPlaylists();
 118 }
 119
 120 QStringList Library::getPlaylistsNames() {
 121         return _playlist_storage->getPlaylistsNames();
 122 }
 123
 124 Playlist Library::getPlaylist(QString name) {
 125         return _playlist_storage->getPlaylist(name);
 126 }
 127
 128 void Library::savePlaylist(const Playlist &playlist) {
 129         _playlist_storage->savePlaylist(playlist);
 130 }
 131
 132 void Library::removePlaylist(const Playlist &playlist) {
 133         _playlist_storage->removePlaylist(playlist);
 134 }
 135
 136 void Library::removePlaylist(QString name) {
 137         _playlist_storage->removePlaylist(name);
 138 }
 139
 140 Playlist Library::getCurrentPlaylist() {
 141         return _playlist_storage->getCurrentPlaylist();
 142 }
 143
 144 void Library::saveCurrentPlaylist(const Playlist &playlist) {
 145         _playlist_storage->saveCurrentPlaylist(playlist);
 146 }
 147
 148 void Library::_decoded(Track track) {
 149         emit tick();
 150         addTrack(track);
 151 }
 152
 153 void Library::_scanned(QStringList files) {
 154         emit allCount(files.count());
 155         _resolver->decode(files);
 156 }
 157
 158 void Library::updateTrackMetadata(Track track) {
 159         Track ntrack = _library_storage->updateTrack(track);
 160         // update all playlists
 161         QList<QString> playlists = getPlaylistsNames();
 162         foreach (QString name, playlists) {
 163                 Playlist pl = getPlaylist(name);
 164                 QList<Track> tracks = pl.tracks();
 165                 int pos = tracks.indexOf(ntrack); // comparing using source
 166                 tracks.removeOne(ntrack); // comparing using source
 167                 tracks.insert(pos, ntrack);
 168                 pl.setTracks(tracks);
 169                 savePlaylist(pl);
 170         }
 171         _resolver->updateTags(ntrack);
 172 }
 173
 174 QList<Track> Library::searchTracks(QString pattern) {
 175         return _library_storage->searchTracks(pattern);
 176 }
 177
 178 QList<QString> Library::getDirectories() {
 179         return _library_storage->getDirectories();
 180 }
 181
 182 int Library::getArtistsCount() {
 183         return _library_storage->getArtistsCount();
 184 }
 185
 186 int Library::getAlbumsCount() {
 187         return _library_storage->getAlbumsCount();
 188 }
 189
 190 int Library::getTracksCount() {
 191         return _library_storage->getTracksCount();
 192 }
 193
 194 void Library::updateAll() {
 195         QList<QString> directories = _library_storage->getDirectories();
 196         updateDirectories(directories);
 197 }
 198
 199 void Library::updateDirectories(QList<QString> directories) {
 200         foreach (QString directory, directories) {
 201                 _library_storage->checkTracksFrom(directory);
 202                 addDirectory(directory, false);
 203         }
 204 }
 205
 206 void Library::deleteDirectories(QList<QString> directories) {
 207         foreach (QString directory, directories) {
 208                 _library_storage->deleteTracksFrom(directory);
 209         }
 210 }
 211
 212 void Library::updatePlaylists() {
 213         emit started();
 214         QList<QString> playlists = getPlaylistsNames();
 215         emit allCount(playlists.count());
 216         foreach (QString name, playlists) {
 217                 Playlist playlist = getPlaylist(name);
 218                 QList<Track> tracks = playlist.tracks();
 219                 QList<Track> ntracks;
 220                 foreach (const Track &track, tracks) {
 221                         if (QFile::exists(track.source())) {
 222                                 ntracks.append(track);
 223                         }
 224                 }
 225                 playlist.setTracks(ntracks);
 226                 savePlaylist(playlist);
 227                 emit tick();
 228         }
 229         emit done();
 230 }
 231
 232 void Library::removeFromFavorites(Track track) {
 233         _library_storage->removeFromFavorites(track);
 234 }
 235
 236 bool Library::isFavorite(Track track) {
 237         return _library_storage->isFavorite(track);
 238 }
 239
 240 LastPlayed Library::getLastPlayedForCurPlaylist() {
 241         return _playlist_storage->getLastPlayedForCurPlaylist();
 242 }
 243
 244 void Library::saveLastPlayedForCurPlaylist(LastPlayed lastplayed) {
 245         _playlist_storage->saveLastPlayedForCurPlaylist(lastplayed);
 246 }