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 #include <QDebug>
   8
   9 using namespace SomePlayer::Storage;
  10 using namespace SomePlayer::DataObjects;
  11
  12 FileStorage::FileStorage(QString path) {
  13         _path_prefix = path;
  14         _meta_regexp.setPattern("#META\\ +\\[(\\d+)\\]\\[(\\d+)\\].*::(.+)::,::(.+)::,::(.+)::");
  15         _path_regexp.setPattern("#PATH (.+)");
  16
  17         Playlist current = getCurrentPlaylist();
  18         if (current.name() == PLAYLIST_BAD_NAME) {
  19                 current.setName(_CURRENT_PLAYLIST_NAME_);
  20                 saveCurrentPlaylist(current);
  21         }
  22 }
  23
  24 QList<Playlist> FileStorage::getPlaylists() {
  25         QList<Playlist> stub;
  26         return stub;
  27 }
  28
  29 Playlist FileStorage::getPlaylist(QString name) {
  30         QFile playlistFile (_path_prefix+"/"+name+"."+_PLAYLIST_FILE_EXTENSION_);
  31         Playlist playlist;
  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);
  53                                         }
  54                                 }
  55                         }
  56                 }
  57         }
  58         return playlist;
  59 }
  60
  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);
  72                 }
  73         }
  74         return playlistNames;
  75 }
  76
  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();
  82         }
  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;
  92         }
  93 }
  94
  95 void FileStorage::removePlaylist(Playlist playlist) {
  96         QString filename = _path_prefix + "/" + playlist.name() + "." + _PLAYLIST_FILE_EXTENSION_;
  97         QFile file(filename);
  98         file.remove();
  99 }
 100
 101 void FileStorage::removePlaylist(QString name) {
 102         QString filename = _path_prefix + "/" + name + "." + _PLAYLIST_FILE_EXTENSION_;
 103         QFile file(filename);
 104         file.remove();
 105 }
 106
 107 Playlist FileStorage::getCurrentPlaylist() {
 108         return getPlaylist(_CURRENT_PLAYLIST_NAME_);
 109 }
 110
 111 void FileStorage::saveCurrentPlaylist(Playlist playlist) {
 112         playlist.setName(_CURRENT_PLAYLIST_NAME_);
 113         savePlaylist(playlist);
 114 }