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

   1 #include "filestorage.h"
   2 #include <QDir>
   3 #include <QDirIterator>
   4 #include <QFileInfo>
   5 #include <QTextStream>
   6 #include <QRegExp>
   7
   8 using namespace SomePlayer::Storage;
   9 using namespace SomePlayer::DataObjects;
  10
  11 FileStorage::FileStorage(QString path) {
  12         _path_prefix = path;
  13         _meta_regexp.setPattern("#META \\[(\\d+)\\].*::(.+)::,::(.+)::,::(.+)::");
  14         _path_regexp.setPattern("#PATH (.+)");
  15 }
  16
  17 QList<Playlist> FileStorage::getPlaylists() {
  18         QList<Playlist> stub;
  19         return stub;
  20 }
  21
  22 Playlist FileStorage::getPlaylist(QString name) {
  23         QFile playlistFile (_path_prefix+"/"+name+_PLAYLIST_FILE_EXTENSION_);
  24         Playlist playlist;
  25         playlist.setName("Bad playlist");
  26         if (playlistFile.exists()) {
  27                 playlist.setName(name);
  28                 QTextStream stream(&playlistFile);
  29                 QString buffer = stream.readLine();
  30                 int index = 0;
  31                 if (buffer.startsWith(_PLAYLIST_SIGNATURE_)) {
  32                         while (!stream.atEnd()) {
  33                                 buffer = stream.readLine();
  34                                 if (_meta_regexp.indexIn(buffer) != -1) {
  35                                         int seconds = _meta_regexp.cap(0).toInt();
  36                                         QString artist = _meta_regexp.cap(1);
  37                                         QString album = _meta_regexp.cap(2);
  38                                         QString title = _meta_regexp.cap(3);
  39                                         buffer = stream.readLine();
  40                                         if (_path_regexp.indexIn(buffer) != -1) {
  41                                                 QString source = _path_regexp.cap(0);
  42                                                 TrackMetadata meta(title, artist, album, seconds);
  43                                                 Track track(index++, meta, source);
  44                                                 playlist.addTrack(track);
  45                                         }
  46                                 }
  47                         }
  48                 }
  49         }
  50         return playlist;
  51 }
  52
  53 QStringList FileStorage::getPlaylistsNames() {
  54         QDir directory(_path_prefix);
  55         QDirIterator iterator(directory, QDirIterator::FollowSymlinks);
  56         QStringList playlistNames;
  57         while (iterator.hasNext()) {
  58                 QString entry = iterator.next();
  59                 QFileInfo info(entry);
  60                 QString suffix = info.suffix().toLower();
  61                 if (suffix == _PLAYLIST_FILE_EXTENSION_) {
  62                         playlistNames.append(info.fileName());
  63                 }
  64         }
  65         return playlistNames;
  66 }
  67
  68 void FileStorage::savePlaylist(Playlist playlist) {
  69         QString filename = _path_prefix+playlist.name()+_PLAYLIST_FILE_EXTENSION_;
  70         QFile playlistFile(filename);
  71         if (playlistFile.exists()) {
  72                 playlistFile.remove();
  73         }
  74         QTextStream stream(&playlistFile);
  75         stream << _PLAYLIST_SIGNATURE_ << endl;
  76         const QList<Track> &tracks = playlist.tracks();
  77         foreach (Track track, tracks) {
  78                 stream << _PLAYLIST_META_KEYWORD_ << " [" << track.metadata().length() << "],::" << track.metadata().artist()
  79                                 << "::,::" << track.metadata().album() << "::,::" << track.metadata().title() << "::" << endl;
  80                 stream << _PLAYLIST_PATH_KEYWORD_ << " " << track.source() << endl;
  81         }
  82 }
  83
  84 void FileStorage::removePlaylist(Playlist playlist) {
  85         QString filename = _path_prefix + "/" + playlist.name() + "." + _PLAYLIST_FILE_EXTENSION_;
  86         QFile file(filename);
  87         file.remove();
  88 }
  89
  90 void FileStorage::removePlaylist(QString name) {
  91         QString filename = _path_prefix + "/" + name + "." + _PLAYLIST_FILE_EXTENSION_;
  92         QFile file(filename);
  93         file.remove();
  94 }
  95
  96 Playlist FileStorage::getCurrentPlaylist() {
  97         return getPlaylist(_CURRENT_PLAYLIST_NAME_);
  98 }
  99
 100 void FileStorage::saveCurrentPlaylist(Playlist playlist) {
 101         playlist.setName(_CURRENT_PLAYLIST_NAME_);
 102         savePlaylist(playlist);
 103 }