+/*
+ * SomePlayer - An alternate music player for Maemo 5
+ * Copyright (C) 2010 Nikolay (somebody) Tischenko <niktischenko@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+
#include "filestorage.h"
+#include <QDir>
+#include <QDirIterator>
+#include <QFileInfo>
+#include <QTextStream>
+#include <QRegExp>
+
+using namespace SomePlayer::Storage;
+using namespace SomePlayer::DataObjects;
+
+FileStorage::FileStorage(QString path) {
+ _path_prefix = path;
+ _meta_regexp.setPattern("#META\\ +\\[(\\d+)\\]\\[(\\d+)\\].*::(.+)::,::(.+)::,::(.+)::");
+ _path_regexp.setPattern("#PATH (.+)");
+
+ Playlist current = getCurrentPlaylist();
+ if (current.name() == PLAYLIST_BAD_NAME) {
+ current.setName(_CURRENT_PLAYLIST_NAME_);
+ saveCurrentPlaylist(current);
+ }
+}
+
+QList<Playlist> FileStorage::getPlaylists() {
+ QList<Playlist> stub;
+ return stub;
+}
+
+Playlist FileStorage::getPlaylist(QString name) {
+ if (name == _CURRENT_PLAYLIST_SUBST_)
+ name = _CURRENT_PLAYLIST_NAME_;
+ QFile playlistFile (_path_prefix+"/"+name+"."+_PLAYLIST_FILE_EXTENSION_);
+ Playlist playlist;
+ playlist.setName(PLAYLIST_BAD_NAME);
+ if (playlistFile.exists()) {
+ playlist.setName(name);
+ playlistFile.open(QFile::ReadOnly);
+ QTextStream stream(&playlistFile);
+ QString buffer = stream.readLine();
+ if (buffer.startsWith(_PLAYLIST_SIGNATURE_)) {
+ while (!stream.atEnd()) {
+ buffer = stream.readLine();
+ if (_meta_regexp.indexIn(buffer) != -1) {
+ int id = _meta_regexp.cap(1).toInt();
+ int seconds = _meta_regexp.cap(2).toInt();
+ QString artist = _meta_regexp.cap(3);
+ QString album = _meta_regexp.cap(4);
+ QString title = _meta_regexp.cap(5);
+ buffer = stream.readLine();
+ if (_path_regexp.indexIn(buffer) != -1) {
+ QString source = _path_regexp.cap(1);
+ TrackMetadata meta(title, artist, album, seconds);
+ Track track(id, meta, source);
+ playlist.addTrack(track);
+ }
+ }
+ }
+ }
+ }
+ return playlist;
+}
+
+QStringList FileStorage::getPlaylistsNames() {
+ QDir directory(_path_prefix);
+ QDirIterator iterator(directory, QDirIterator::FollowSymlinks);
+ QStringList playlistNames;
+ while (iterator.hasNext()) {
+ QString entry = iterator.next();
+ QFileInfo info(entry);
+ QString suffix = info.suffix().toLower();
+ if (suffix == _PLAYLIST_FILE_EXTENSION_) {
+ QString name = info.fileName().replace(QString(".%1").arg(_PLAYLIST_FILE_EXTENSION_), "", Qt::CaseInsensitive);
+ if (name == _CURRENT_PLAYLIST_NAME_)
+ name = _CURRENT_PLAYLIST_SUBST_;
+ playlistNames.append(name);
+ }
+ }
+ return playlistNames;
+}
+
+void FileStorage::savePlaylist(Playlist playlist) {
+ QString name = playlist.name();
+ if (playlist.name() == _CURRENT_PLAYLIST_SUBST_)
+ name = _CURRENT_PLAYLIST_NAME_;
+ QString filename = _path_prefix + "/" +name+"."_PLAYLIST_FILE_EXTENSION_;
+ QFile playlistFile(filename);
+ if (playlistFile.exists()) {
+ playlistFile.remove();
+ }
+ playlistFile.open(QFile::WriteOnly);
+ QTextStream stream(&playlistFile);
+ stream << _PLAYLIST_SIGNATURE_ << endl;
+ const QList<Track> &tracks = playlist.tracks();
+ foreach (Track track, tracks) {
+ stream << _PLAYLIST_META_KEYWORD_ << " [" << track.id() << "]" << "[" << track.metadata().length() << "],::"
+ << track.metadata().artist() << "::,::" << track.metadata().album() << "::,::"
+ << track.metadata().title() << "::" << endl;
+ stream << _PLAYLIST_PATH_KEYWORD_ << " " << track.source() << endl;
+ }
+}
+
+void FileStorage::removePlaylist(Playlist playlist) {
+ QString filename = _path_prefix + "/" + playlist.name() + "." + _PLAYLIST_FILE_EXTENSION_;
+ QFile file(filename);
+ file.remove();
+}
+
+void FileStorage::removePlaylist(QString name) {
+ QString filename = _path_prefix + "/" + (name == _CURRENT_PLAYLIST_SUBST_ ? _CURRENT_PLAYLIST_NAME_ : name)
+ + "." + _PLAYLIST_FILE_EXTENSION_;
+ QFile file(filename);
+ file.remove();
+}
+
+Playlist FileStorage::getCurrentPlaylist() {
+ return getPlaylist(_CURRENT_PLAYLIST_NAME_);
+}
+
+void FileStorage::saveCurrentPlaylist(Playlist playlist) {
+ playlist.setName(_CURRENT_PLAYLIST_NAME_);
+ savePlaylist(playlist);
+}