strawberry-audio-player-win.../src/artistbio/lastfmartistbio.cpp

210 lines
6.3 KiB
C++

/*
* Strawberry Music Player
* Copyright 2020, Jonas Kvinge <jonas@jkvinge.net>
*
* Strawberry 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 3 of the License, or
* (at your option) any later version.
*
* Strawberry 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 Strawberry. If not, see <http://www.gnu.org/licenses/>.
*
*/
#include "config.h"
#include <algorithm>
#include <QtGlobal>
#include <QLocale>
#include <QVariant>
#include <QByteArray>
#include <QString>
#include <QUrl>
#include <QUrlQuery>
#include <QDateTime>
#include <QNetworkRequest>
#include <QNetworkReply>
#include <QJsonDocument>
#include <QJsonObject>
#include <QJsonArray>
#include <QJsonValue>
#include "core/networkaccessmanager.h"
#include "core/song.h"
#include "core/logging.h"
#include "core/iconloader.h"
#include "lastfmartistbio.h"
#include "widgets/infotextview.h"
#include "scrobbler/scrobblingapi20.h"
#include "scrobbler/lastfmscrobbler.h"
LastFMArtistBio::LastFMArtistBio() : ArtistBioProvider(), network_(new NetworkAccessManager(this)) {}
LastFMArtistBio::~LastFMArtistBio() {
while (!replies_.isEmpty()) {
QNetworkReply *reply = replies_.takeFirst();
disconnect(reply, nullptr, this, nullptr);
reply->abort();
reply->deleteLater();
}
}
void LastFMArtistBio::Start(const int id, const Song &song) {
ParamList params = ParamList()
<< Param("api_key", ScrobblingAPI20::kApiKey)
<< Param("lang", QLocale().name().left(2).toLower())
<< Param("format", "json")
<< Param("method", "artist.getinfo")
<< Param("artist", song.artist());
std::sort(params.begin(), params.end());
QUrlQuery url_query;
for (const Param &param : params) {
url_query.addQueryItem(QUrl::toPercentEncoding(param.first), QUrl::toPercentEncoding(param.second));
}
QUrl url(LastFMScrobbler::kApiUrl);
url.setQuery(url_query);
QNetworkRequest req(url);
#if QT_VERSION >= QT_VERSION_CHECK(5, 9, 0)
req.setAttribute(QNetworkRequest::RedirectPolicyAttribute, QNetworkRequest::NoLessSafeRedirectPolicy);
#else
req.setAttribute(QNetworkRequest::FollowRedirectsAttribute, true);
#endif
req.setHeader(QNetworkRequest::ContentTypeHeader, "application/x-www-form-urlencoded");
QNetworkReply *reply = network_->get(req);
replies_ << reply;
connect(reply, &QNetworkReply::finished, [=] { RequestFinished(reply, id); });
qLog(Debug) << "Sending request" << url_query.toString(QUrl::FullyDecoded);
}
QByteArray LastFMArtistBio::GetReplyData(QNetworkReply *reply) {
QByteArray data;
if (reply->error() == QNetworkReply::NoError && reply->attribute(QNetworkRequest::HttpStatusCodeAttribute).toInt() == 200) {
data = reply->readAll();
}
else {
if (reply->error() != QNetworkReply::NoError && reply->error() < 200) {
// This is a network error, there is nothing more to do.
Error(QString("%1 (%2)").arg(reply->errorString()).arg(reply->error()));
}
else {
QString error;
// See if there is Json data containing "error" and "message" - then use that instead.
data = reply->readAll();
QJsonParseError json_error;
QJsonDocument json_doc = QJsonDocument::fromJson(data, &json_error);
int error_code = -1;
if (json_error.error == QJsonParseError::NoError && !json_doc.isEmpty() && json_doc.isObject()) {
QJsonObject json_obj = json_doc.object();
if (json_obj.contains("error") && json_obj.contains("message")) {
error_code = json_obj["error"].toInt();
QString error_message = json_obj["message"].toString();
error = QString("%1 (%2)").arg(error_message).arg(error_code);
}
}
if (error.isEmpty()) {
if (reply->error() != QNetworkReply::NoError) {
error = QString("%1 (%2)").arg(reply->errorString()).arg(reply->error());
}
else {
error = QString("Received HTTP code %1").arg(reply->attribute(QNetworkRequest::HttpStatusCodeAttribute).toInt());
}
}
Error(error);
}
return QByteArray();
}
return data;
}
QJsonObject LastFMArtistBio::ExtractJsonObj(const QByteArray &data) {
if (data.isEmpty()) return QJsonObject();
QJsonParseError error;
QJsonDocument json_doc = QJsonDocument::fromJson(data, &error);
if (error.error != QJsonParseError::NoError) {
Error("Reply from server missing Json data.", data);
return QJsonObject();
}
if (json_doc.isEmpty()) {
Error("Received empty Json document.", json_doc);
return QJsonObject();
}
if (!json_doc.isObject()) {
Error("Json document is not an object.", json_doc);
return QJsonObject();
}
QJsonObject json_obj = json_doc.object();
if (json_obj.isEmpty()) {
Error("Received empty Json object.", json_doc);
return QJsonObject();
}
return json_obj;
}
void LastFMArtistBio::RequestFinished(QNetworkReply *reply, const int id) {
if (!replies_.contains(reply)) return;
replies_.removeAll(reply);
disconnect(reply, nullptr, this, nullptr);
reply->deleteLater();
QJsonObject json_obj = ExtractJsonObj(GetReplyData(reply));
QString title;
QString text;
if (!json_obj.isEmpty() && json_obj.contains("artist") && json_obj["artist"].isObject()) {
json_obj = json_obj["artist"].toObject();
if (json_obj.contains("bio") && json_obj["bio"].isObject()) {
title = json_obj["name"].toString();
QJsonObject obj_bio = json_obj["bio"].toObject();
if (obj_bio.contains("content")) {
text = obj_bio["content"].toString();
}
}
}
CollapsibleInfoPane::Data info_data;
info_data.id_ = title;
info_data.title_ = tr("Biography");
info_data.type_ = CollapsibleInfoPane::Data::Type_Biography;
info_data.icon_ = IconLoader::Load("scrobble");
InfoTextView *editor = new InfoTextView;
editor->SetHtml(text);
info_data.contents_ = editor;
emit InfoReady(id, info_data);
emit Finished(id);
}
void LastFMArtistBio::Error(const QString &error, const QVariant &debug) {
qLog(Error) << error;
if (debug.isValid()) qLog(Debug) << debug;
}