1 #include "filestorage.h"
3 #include <QDirIterator>
9 using namespace SomePlayer::Storage;
10 using namespace SomePlayer::DataObjects;
12 FileStorage::FileStorage(QString path) {
14 _meta_regexp.setPattern("#META\\ +\\[(\\d+)\\]\\[(\\d+)\\].*::(.+)::,::(.+)::,::(.+)::");
15 _path_regexp.setPattern("#PATH (.+)");
17 Playlist current = getCurrentPlaylist();
18 if (current.name() == PLAYLIST_BAD_NAME) {
19 current.setName(_CURRENT_PLAYLIST_NAME_);
20 saveCurrentPlaylist(current);
24 QList<Playlist> FileStorage::getPlaylists() {
29 Playlist FileStorage::getPlaylist(QString name) {
30 QFile playlistFile (_path_prefix+"/"+name+"."+_PLAYLIST_FILE_EXTENSION_);
32 playlist.setName(PLAYLIST_BAD_NAME);
33 if (playlistFile.exists()) {
34 playlist.setName(name);
35 playlistFile.open(QFile::ReadOnly);
36 QTextStream stream(&playlistFile);
37 QString buffer = stream.readLine();
38 if (buffer.startsWith(_PLAYLIST_SIGNATURE_)) {
39 while (!stream.atEnd()) {
40 buffer = stream.readLine();
41 if (_meta_regexp.indexIn(buffer) != -1) {
42 int id = _meta_regexp.cap(1).toInt();
43 int seconds = _meta_regexp.cap(2).toInt();
44 QString artist = _meta_regexp.cap(3);
45 QString album = _meta_regexp.cap(4);
46 QString title = _meta_regexp.cap(5);
47 buffer = stream.readLine();
48 if (_path_regexp.indexIn(buffer) != -1) {
49 QString source = _path_regexp.cap(1);
50 TrackMetadata meta(title, artist, album, seconds);
51 Track track(id, meta, source);
52 playlist.addTrack(track);
61 QStringList FileStorage::getPlaylistsNames() {
62 QDir directory(_path_prefix);
63 QDirIterator iterator(directory, QDirIterator::FollowSymlinks);
64 QStringList playlistNames;
65 while (iterator.hasNext()) {
66 QString entry = iterator.next();
67 QFileInfo info(entry);
68 QString suffix = info.suffix().toLower();
69 if (suffix == _PLAYLIST_FILE_EXTENSION_) {
70 QString name = info.fileName().replace(QString(".%1").arg(_PLAYLIST_FILE_EXTENSION_), "", Qt::CaseInsensitive);
71 playlistNames.append(name);
77 void FileStorage::savePlaylist(Playlist playlist) {
78 QString filename = _path_prefix + "/" +playlist.name()+"."_PLAYLIST_FILE_EXTENSION_;
79 QFile playlistFile(filename);
80 if (playlistFile.exists()) {
81 playlistFile.remove();
83 playlistFile.open(QFile::WriteOnly);
84 QTextStream stream(&playlistFile);
85 stream << _PLAYLIST_SIGNATURE_ << endl;
86 const QList<Track> &tracks = playlist.tracks();
87 foreach (Track track, tracks) {
88 stream << _PLAYLIST_META_KEYWORD_ << " [" << track.id() << "]" << "[" << track.metadata().length() << "],::"
89 << track.metadata().artist() << "::,::" << track.metadata().album() << "::,::"
90 << track.metadata().title() << "::" << endl;
91 stream << _PLAYLIST_PATH_KEYWORD_ << " " << track.source() << endl;
95 void FileStorage::removePlaylist(Playlist playlist) {
96 QString filename = _path_prefix + "/" + playlist.name() + "." + _PLAYLIST_FILE_EXTENSION_;
101 void FileStorage::removePlaylist(QString name) {
102 QString filename = _path_prefix + "/" + name + "." + _PLAYLIST_FILE_EXTENSION_;
103 QFile file(filename);
107 Playlist FileStorage::getCurrentPlaylist() {
108 return getPlaylist(_CURRENT_PLAYLIST_NAME_);
111 void FileStorage::saveCurrentPlaylist(Playlist playlist) {
112 playlist.setName(_CURRENT_PLAYLIST_NAME_);
113 savePlaylist(playlist);