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                 playlistFile.open(QFile::ReadOnly);
  29                 QTextStream stream(&playlistFile);
  30                 QString buffer = stream.readLine();
  31                 int index = 0;
  32                 if (buffer.startsWith(_PLAYLIST_SIGNATURE_)) {
  33                         while (!stream.atEnd()) {
  34                                 buffer = stream.readLine();
  35                                 if (_meta_regexp.indexIn(buffer) != -1) {
  36                                         int seconds = _meta_regexp.cap(1).toInt();
  37                                         QString artist = _meta_regexp.cap(2);
  38                                         QString album = _meta_regexp.cap(3);
  39                                         QString title = _meta_regexp.cap(4);
  40                                         buffer = stream.readLine();
  41                                         if (_path_regexp.indexIn(buffer) != -1) {
  42                                                 QString source = _path_regexp.cap(1);
  43                                                 TrackMetadata meta(title, artist, album, seconds);
  44                                                 Track track(index++, meta, source);
  45                                                 playlist.addTrack(track);
  46                                         }
  47                                 }
  48                         }
  49                 }
  50         }
  51         return playlist;
  52 }
  53
  54 QStringList FileStorage::getPlaylistsNames() {
  55         QDir directory(_path_prefix);
  56         QDirIterator iterator(directory, QDirIterator::FollowSymlinks);
  57         QStringList playlistNames;
  58         while (iterator.hasNext()) {
  59                 QString entry = iterator.next();
  60                 QFileInfo info(entry);
  61                 QString suffix = info.suffix().toLower();
  62                 if (suffix == _PLAYLIST_FILE_EXTENSION_) {
  63                         playlistNames.append(info.fileName()
  64                                                                  .replace(QString(".%1").arg(_PLAYLIST_FILE_EXTENSION_), "", Qt::CaseInsensitive));
  65                 }
  66         }
  67         return playlistNames;
  68 }
  69
  70 void FileStorage::savePlaylist(Playlist playlist) {
  71         QString filename = _path_prefix+playlist.name()+_PLAYLIST_FILE_EXTENSION_;
  72         QFile playlistFile(filename);
  73         if (playlistFile.exists()) {
  74                 playlistFile.remove();
  75         }
  76         QTextStream stream(&playlistFile);
  77         stream << _PLAYLIST_SIGNATURE_ << endl;
  78         const QList<Track> &tracks = playlist.tracks();
  79         foreach (Track track, tracks) {
  80                 stream << _PLAYLIST_META_KEYWORD_ << " [" << track.metadata().length() << "],::" << track.metadata().artist()
  81                                 << "::,::" << track.metadata().album() << "::,::" << track.metadata().title() << "::" << endl;
  82                 stream << _PLAYLIST_PATH_KEYWORD_ << " " << track.source() << endl;
  83         }
  84 }
  85
  86 void FileStorage::removePlaylist(Playlist playlist) {
  87         QString filename = _path_prefix + "/" + playlist.name() + "." + _PLAYLIST_FILE_EXTENSION_;
  88         QFile file(filename);
  89         file.remove();
  90 }
  91
  92 void FileStorage::removePlaylist(QString name) {
  93         QString filename = _path_prefix + "/" + name + "." + _PLAYLIST_FILE_EXTENSION_;
  94         QFile file(filename);
  95         file.remove();
  96 }
  97
  98 Playlist FileStorage::getCurrentPlaylist() {
  99         return getPlaylist(_CURRENT_PLAYLIST_NAME_);
 100 }
 101
 102 void FileStorage::saveCurrentPlaylist(Playlist playlist) {
 103         playlist.setName(_CURRENT_PLAYLIST_NAME_);
 104         savePlaylist(playlist);
 105 }