260 lines
8.2 KiB
C++
260 lines
8.2 KiB
C++
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/* This file is part of Clementine.
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Copyright 2015, Nick Lanham <nick@afternight.org>
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Clementine is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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Clementine is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Clementine. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "subsonicdynamicplaylist.h"
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#include <QEventLoop>
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#include <QFileInfo>
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#include <QSslConfiguration>
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#include <QXmlStreamReader>
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#include "core/application.h"
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#include "core/logging.h"
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#include "core/network.h"
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#include "core/taskmanager.h"
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#include "core/timeconstants.h"
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#include "internet/core/internetplaylistitem.h"
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SubsonicDynamicPlaylist::SubsonicDynamicPlaylist()
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: stat_(QueryStat_Newest),
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offset_(0) {}
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SubsonicDynamicPlaylist::SubsonicDynamicPlaylist(const QString& name,
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QueryStat stat)
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: stat_(stat),
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offset_(0) {
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set_name(name);
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}
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void SubsonicDynamicPlaylist::Load(const QByteArray& data) {
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QDataStream s(data);
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s >> *this;
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}
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void SubsonicDynamicPlaylist::Load(QueryStat stat) {
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stat_ = stat;
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}
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QByteArray SubsonicDynamicPlaylist::Save() const {
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QByteArray ret;
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QDataStream s(&ret, QIODevice::WriteOnly);
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s << *this;
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return ret;
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}
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// copied from SubsonicService
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QNetworkReply* SubsonicDynamicPlaylist::Send(QNetworkAccessManager& network, const QUrl& url, const bool usesslv3) {
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QNetworkRequest request(url);
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// Don't try and check the authenticity of the SSL certificate - it'll almost
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// certainly be self-signed.
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QSslConfiguration sslconfig = QSslConfiguration::defaultConfiguration();
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sslconfig.setPeerVerifyMode(QSslSocket::VerifyNone);
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if (usesslv3) {
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sslconfig.setProtocol(QSsl::SslV3);
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}
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request.setSslConfiguration(sslconfig);
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QNetworkReply* reply = network.get(request);
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return reply;
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}
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PlaylistItemList SubsonicDynamicPlaylist::Generate() { return GenerateMore(10); }
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PlaylistItemList SubsonicDynamicPlaylist::GenerateMore(int count) {
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SubsonicService* service = InternetModel::Service<SubsonicService>();
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int task_id = service->app_->task_manager()->StartTask(tr("Fetching Playlist Items"));
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QUrl url = service->BuildRequestUrl("GetAlbumList");
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QNetworkAccessManager network;
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switch (stat_) {
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case QueryStat::QueryStat_Newest:
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url.addQueryItem("type","newest");
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break;
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case QueryStat::QueryStat_Highest:
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url.addQueryItem("type","highest");
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break;
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case QueryStat::QueryStat_Frequent:
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url.addQueryItem("type","frequent");
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break;
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case QueryStat::QueryStat_Recent:
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url.addQueryItem("type","recent");
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break;
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case QueryStat::QueryStat_Starred:
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url.addQueryItem("type","starred");
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break;
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case QueryStat::QueryStat_Random:
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url.addQueryItem("type","random");
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break;
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}
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if (count > 500) count = 500; // 500 limit per subsonic api
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if (count != 10) { // 10 is default
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url.addQueryItem("size",QString::number(count));
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}
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if (offset_ != 0) { // 0 is default
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url.addQueryItem("offset",QString::number(offset_));
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}
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PlaylistItemList items;
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QNetworkReply* reply = Send(network,url,service->usesslv3_);
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// wait for reply
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{
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QEventLoop loop;
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connect(reply, SIGNAL(finished()), &loop, SLOT(quit()));
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loop.exec();
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}
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if (reply->error() != QNetworkReply::NoError) {
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qLog(Warning) << "HTTP error returned from Subsonic:" << reply->errorString()
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<< ", url:" << url.toString();
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service->app_->task_manager()->SetTaskFinished(task_id);
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return items; // empty
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}
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reply->deleteLater();
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QXmlStreamReader reader(reply);
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reader.readNextStartElement();
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if (reader.name() != "subsonic-response") {
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qLog(Warning) << "Not a subsonic-response, aboring playlist fetch";
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service->app_->task_manager()->SetTaskFinished(task_id);
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return items;
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}
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if (reader.attributes().value("status") != "ok") {
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reader.readNextStartElement();
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int error = reader.attributes().value("code").toString().toInt();
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qLog(Warning) << "An error occured fetching data. Code: "<<error<<" Message: "<<reader.attributes().value("message").toString();
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}
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reader.readNextStartElement();
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if (reader.name() != "albumList") {
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qLog(Warning) << "albumList tag expected. Aboring playlist fetch";
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service->app_->task_manager()->SetTaskFinished(task_id);
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return items;
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}
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while (reader.readNextStartElement()) {
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if (reader.name() != "album") {
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qLog(Warning) << "album tag expected. Aboring playlist fetch";
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service->app_->task_manager()->SetTaskFinished(task_id);
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return items;
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}
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qLog(Debug) << "Getting album: "<<reader.attributes().value("album").toString();
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GetAlbum(service,items,reader.attributes().value("id").toString(),network,service->usesslv3_);
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reader.skipCurrentElement();
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}
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offset_+=count;
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service->app_->task_manager()->SetTaskFinished(task_id);
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return items;
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}
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void SubsonicDynamicPlaylist::GetAlbum(SubsonicService* service, PlaylistItemList& list, QString id, QNetworkAccessManager& network, const bool usesslv3) {
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QUrl url = service->BuildRequestUrl("getAlbum");
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url.addQueryItem("id", id);
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QNetworkReply* reply = Send(network, url, usesslv3);
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{ // wait for reply
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QEventLoop loop;
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connect(reply, SIGNAL(finished()), &loop, SLOT(quit()));
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loop.exec();
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}
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if (reply->error() != QNetworkReply::NoError) {
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qLog(Warning) << "HTTP error returned from Subsonic:" << reply->errorString()
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<< ", url:" << url.toString();
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return;
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}
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QXmlStreamReader reader(reply);
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reader.readNextStartElement();
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if (reader.name() != "subsonic-response") {
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qLog(Warning) << "Not a subsonic-response. Aborting playlist fetch.";
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return;
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}
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if (reader.attributes().value("status") != "ok") {
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qLog(Warning) << "Status not okay. Aborting playlist fetch.";
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return;
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}
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// Read album information
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reader.readNextStartElement();
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if (reader.name() != "album") {
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qLog(Warning) << "album tag expected. Aborting playlist fetch.";
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return;
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}
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QString album_artist = reader.attributes().value("artist").toString();
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// Read song information
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while (reader.readNextStartElement()) {
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if (reader.name() != "song") {
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qLog(Warning) << "song tag expected. Aborting playlist fetch.";
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return;
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}
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Song song;
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QString id = reader.attributes().value("id").toString();
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song.set_title(reader.attributes().value("title").toString());
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song.set_album(reader.attributes().value("album").toString());
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song.set_track(reader.attributes().value("track").toString().toInt());
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song.set_disc(reader.attributes().value("discNumber").toString().toInt());
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song.set_artist(reader.attributes().value("artist").toString());
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song.set_albumartist(album_artist);
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song.set_bitrate(reader.attributes().value("bitRate").toString().toInt());
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song.set_year(reader.attributes().value("year").toString().toInt());
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song.set_genre(reader.attributes().value("genre").toString());
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qint64 length = reader.attributes().value("duration").toString().toInt();
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length *= kNsecPerSec;
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song.set_length_nanosec(length);
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QUrl url = QUrl(QString("subsonic://%1").arg(id));
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song.set_url(url);
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song.set_filesize(reader.attributes().value("size").toString().toInt());
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QFileInfo fi(reader.attributes().value("path").toString());
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song.set_basefilename(fi.fileName());
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// We need to set these to satisfy the database constraints
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song.set_directory_id(0);
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song.set_mtime(0);
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song.set_ctime(0);
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list << std::shared_ptr<PlaylistItem>(
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new InternetPlaylistItem(service,song));
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reader.skipCurrentElement();
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}
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}
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QDataStream& operator<<(QDataStream& s, const SubsonicDynamicPlaylist& p) {
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s << quint8(p.stat_);
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return s;
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}
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QDataStream& operator>>(QDataStream& s, SubsonicDynamicPlaylist& p) {
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quint8 stat;
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s >> stat;
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p.stat_ = SubsonicDynamicPlaylist::QueryStat(stat);
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return s;
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}
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