SongLoader::Result SongLoader::LoadLocal(const QString& filename) {
qLog(Debug) << "Loading local file" << filename;
// Search in the database.
QUrl url = QUrl::fromLocalFile(filename);
LibraryQuery query;
query.SetColumnSpec("%songs_table.ROWID, " + Song::kColumnSpec);
query.AddWhere("filename", url.toEncoded());
if (library_->ExecQuery(&query) && query.Next()) {
// we may have many results when the file has many sections
do {
Song song;
song.InitFromQuery(query, true);
if (song.is_valid()) {
songs_ << song;
}
} while (query.Next());
return Success;
}
// It's not in the database, load it asynchronously.
preload_func_ = std::bind(&SongLoader::LoadLocalAsync, this, filename);
return BlockingLoadRequired;
}
bool LibraryModel::HasCompilations(const LibraryQuery& query) {
LibraryQuery q = query;
q.AddCompilationRequirement(true);
q.SetLimit(1);
QMutexLocker l(backend_->db()->Mutex());
if (!backend_->ExecQuery(&q)) return false;
return q.Next();
}
SongList AlbumCoverManager::GetSongsInAlbum(const QModelIndex& index) const {
SongList ret;
LibraryQuery q;
q.SetColumnSpec("ROWID," + Song::kColumnSpec);
q.AddWhere("album", index.data(Role_AlbumName).toString());
q.SetOrderBy("disc, track, title");
QString artist = index.data(Role_ArtistName).toString();
q.AddCompilationRequirement(artist.isEmpty());
if (!artist.isEmpty()) q.AddWhere("artist", artist);
if (!library_backend_->ExecQuery(&q)) return ret;
while (q.Next()) {
Song song;
song.InitFromQuery(q, true);
ret << song;
}
return ret;
}
SongLoader::Result SongLoader::LoadLocal(const QString& filename) {
qLog(Debug) << "Loading local file" << filename;
// First check to see if it's a directory - if so we can load all the songs
// inside right away.
if (QFileInfo(filename).isDir()) {
ConcurrentRun::Run<void>(
&thread_pool_,
std::bind(&SongLoader::LoadLocalDirectoryAndEmit, this, filename));
return WillLoadAsync;
}
// It's a local file, so check if it looks like a playlist.
// Read the first few bytes.
QFile file(filename);
if (!file.open(QIODevice::ReadOnly)) return Error;
QByteArray data(file.read(PlaylistParser::kMagicSize));
ParserBase* parser = playlist_parser_->ParserForMagic(data);
if (!parser) {
// Check the file extension as well, maybe the magic failed, or it was a
// basic M3U file which is just a plain list of filenames.
parser = playlist_parser_->ParserForExtension(QFileInfo(filename).suffix());
}
if (parser) {
qLog(Debug) << "Parsing using" << parser->name();
// It's a playlist!
ConcurrentRun::Run<void>(
&thread_pool_,
std::bind(&SongLoader::LoadPlaylistAndEmit, this, parser, filename));
return WillLoadAsync;
}
// Not a playlist, so just assume it's a song
QUrl url = QUrl::fromLocalFile(filename);
LibraryQuery query;
query.SetColumnSpec("%songs_table.ROWID, " + Song::kColumnSpec);
query.AddWhere("filename", url.toEncoded());
SongList song_list;
if (library_->ExecQuery(&query) && query.Next()) {
// we may have many results when the file has many sections
do {
Song song;
song.InitFromQuery(query, true);
song_list << song;
} while (query.Next());
} else {
QString matching_cue = filename.section('.', 0, -2) + ".cue";
if (QFile::exists(matching_cue)) {
// it's a cue - create virtual tracks
QFile cue(matching_cue);
cue.open(QIODevice::ReadOnly);
song_list = cue_parser_->Load(&cue, matching_cue,
QDir(filename.section('/', 0, -2)));
} else {
// it's a normal media file, load it asynchronously.
TagReaderReply* reply = TagReaderClient::Instance()->ReadFile(filename);
NewClosure(reply, SIGNAL(Finished(bool)), this,
SLOT(LocalFileLoaded(TagReaderReply*)), reply);
return WillLoadAsync;
}
}
for (const Song& song : song_list) {
if (song.is_valid()) {
songs_ << song;
}
}
return Success;
}
