X-Git-Url: http://git.maemo.org/git/?a=blobdiff_plain;f=src%2Ffilestorage.cpp;h=1ddb878b259c777ccd0887a0bf6a3dc021a3bc95;hb=442e5d1ba674ac6e056fdd67a5956280195ba760;hp=966af8c6a5d942bebbc15ca5fc4a0b2577024761;hpb=bb42bbd3ed98dacfdbaaddb688b992e145861412;p=someplayer

diff --git a/src/filestorage.cpp b/src/filestorage.cpp
index 966af8c..1ddb878 100644
--- a/src/filestorage.cpp
+++ b/src/filestorage.cpp
@@ -1 +1,223 @@
+/*
+ * 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 <QtXml/QtXml>
+// legacy _start_
+#include <QRegExp>
+// legacy _end_
+
+using namespace SomePlayer::Storage;
+using namespace SomePlayer::DataObjects;
+
+FileStorage::FileStorage(QString path) {
+	_path_prefix = 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_OLD_); // remove OLD_ in next version
+	Playlist playlist;
+	playlist.setName(PLAYLIST_BAD_NAME);
+	// legacy _start_
+	if (playlistFile.exists()) {
+		qWarning() << "Old playlist file format deteced";
+		QRegExp meta_regexp;
+		meta_regexp.setPattern("#META\\ +\\[(\\d+)\\]\\[(\\d+)\\].*::(.+)::,::(.+)::,::(.+)::");
+		QRegExp path_regexp;
+		path_regexp.setPattern("#PATH (.+)");
+		playlistFile.open(QFile::ReadOnly);
+		QTextStream stream(&playlistFile);
+		QString buffer = stream.readLine();
+		if (buffer.startsWith("#SOMEPLAYLIST")) {
+			while (!stream.atEnd()) {
+				buffer = stream.readLine();
+				if (meta_regexp.indexIn(buffer) != -1) {
+					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(meta, source);
+						playlist.addTrack(track);
+					}
+				}
+			}
+		}
+		playlist.setName(name);
+		qWarning() << "Saving playlist in new format";
+		savePlaylist(playlist);
+		playlistFile.close();
+		playlistFile.remove();
+	} else {
+		playlistFile.setFileName(_path_prefix + "/" + name + "." + _PLAYLIST_FILE_EXTENSION_);
+	// legacy _end_
+		if (playlistFile.exists()) {
+			playlist.setName(name);
+			QDomDocument doc;
+			playlistFile.open(QFile::ReadOnly);
+			doc.setContent(&playlistFile);
+			playlistFile.close();
+			QDomElement eplaylist = doc.documentElement();
+			if (eplaylist.tagName() == "playlist") {
+				QDomElement etracklist = eplaylist.firstChildElement("trackList");
+				if (!etracklist.isNull()) {
+					QDomElement etrack = etracklist.firstChildElement("track");
+					while (!etrack.isNull()) {
+						QDomElement elocation = etrack.firstChildElement("location");
+						QDomElement eextension = etrack.firstChildElement("extension");
+						if (!eextension.isNull()) {
+							QDomElement ecl_clip = eextension.firstChildElement("cl:clip");
+							if (!ecl_clip.isNull()) {
+								QString artist = ecl_clip.attribute("artist");
+								QString album = ecl_clip.attribute("album");
+								QString title = ecl_clip.attribute("title");
+								QDomElement eduration = etrack.firstChildElement("duration");
+								if (!eduration.isNull()) {
+									QVariant duration = eduration.text();
+									QByteArray basource;
+									basource.append(elocation.text());
+									QString source = QUrl::fromEncoded(basource).toLocalFile();
+									TrackMetadata meta(title, artist, album, duration.toInt()/1000);
+									Track track(meta, source);
+									playlist.addTrack(track);
+								}
+							}
+						}
+						etrack = etrack.nextSiblingElement("track");
+					}
+				}
+			}
+	// legacy _start_
+		}
+	// legacy _end_
+	}
+	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);
+		}
+		// legacy _start_
+		else if (suffix == _PLAYLIST_FILE_EXTENSION_OLD_){
+			QString name = info.fileName().replace(QString(".%1").arg(_PLAYLIST_FILE_EXTENSION_OLD_), "", Qt::CaseInsensitive);
+			if (name == _CURRENT_PLAYLIST_NAME_)
+			    name = _CURRENT_PLAYLIST_SUBST_;
+			playlistNames.append(name);
+		}
+		// legacy _end_
+	}
+	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);
+	QDomDocument doc;
+	QDomElement root = doc.createElement("playlist");
+	root.setAttribute("version", "1");
+	root.setAttribute("xmlns", "http://xspf.org/ns/0/");
+	root.setAttribute("xmlns:cl", "http://example.com");
+	QDomElement tracklist = doc.createElement("trackList");
+	foreach (Track track, playlist.tracks()) {
+		QDomElement etrack = doc.createElement("track");
+		QDomElement elocation = doc.createElement("location");
+		QDomElement eextension = doc.createElement("extension");
+		QDomElement ecl_clip = doc.createElement("cl:clip");
+		QDomElement etitle = doc.createElement("title");
+		QDomElement eduration = doc.createElement("duration");
+		etitle.appendChild(doc.createTextNode(QString("%1 - %2").arg(track.metadata().artist()).arg(track.metadata().title())));
+		ecl_clip.setAttribute("title", track.metadata().title());
+		ecl_clip.setAttribute("artist", track.metadata().artist());
+		ecl_clip.setAttribute("album", track.metadata().album());
+		eextension.appendChild(ecl_clip);
+		eextension.setAttribute("application", "http://example.com");
+		elocation.appendChild(doc.createTextNode(QString("%1").arg(QUrl::fromLocalFile(track.source()).toEncoded().constData())));
+		eduration.appendChild(doc.createTextNode(QString("%1").arg(track.metadata().length()*1000)));
+		etrack.appendChild(elocation);
+		etrack.appendChild(eextension);
+		etrack.appendChild(etitle);
+		etrack.appendChild(eduration);
+		tracklist.appendChild(etrack);
+	}
+	root.appendChild(tracklist);
+	doc.appendChild(root);
+	stream << "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n";
+	stream << doc.toString();
+}
+
+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);
+}