strawberry-audio-player-win.../src/lyrics/chartlyricsprovider.cpp

144 lines
4.5 KiB
C++

/*
* Strawberry Music Player
* Copyright 2018, 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 <QObject>
#include <QByteArray>
#include <QList>
#include <QPair>
#include <QVariant>
#include <QString>
#include <QUrl>
#include <QUrlQuery>
#include <QNetworkAccessManager>
#include <QNetworkRequest>
#include <QNetworkReply>
#include <QXmlStreamReader>
#include "core/logging.h"
#include "core/network.h"
#include "core/utilities.h"
#include "lyricsprovider.h"
#include "lyricsfetcher.h"
#include "chartlyricsprovider.h"
const char *ChartLyricsProvider::kUrlSearch = "http://api.chartlyrics.com/apiv1.asmx/SearchLyricDirect";
ChartLyricsProvider::ChartLyricsProvider(QObject *parent) : LyricsProvider("ChartLyrics", false, false, parent), network_(new NetworkAccessManager(this)) {}
ChartLyricsProvider::~ChartLyricsProvider() {
while (!replies_.isEmpty()) {
QNetworkReply *reply = replies_.takeFirst();
disconnect(reply, nullptr, this, nullptr);
reply->abort();
reply->deleteLater();
}
}
bool ChartLyricsProvider::StartSearch(const QString &artist, const QString&, const QString &title, const quint64 id) {
const ParamList params = ParamList() << Param("artist", artist)
<< Param("song", title);
QUrlQuery url_query;
for (const Param &param : params) {
url_query.addQueryItem(QUrl::toPercentEncoding(param.first), QUrl::toPercentEncoding(param.second));
}
QUrl url(kUrlSearch);
url.setQuery(url_query);
QNetworkReply *reply = network_->get(QNetworkRequest(url));
replies_ << reply;
connect(reply, &QNetworkReply::finished, [=] { HandleSearchReply(reply, id, artist, title); });
//qLog(Debug) << "ChartLyrics: Sending request for" << url;
return true;
}
void ChartLyricsProvider::CancelSearch(const quint64) {}
void ChartLyricsProvider::HandleSearchReply(QNetworkReply *reply, const quint64 id, const QString &artist, const QString &title) {
if (!replies_.contains(reply)) return;
replies_.removeAll(reply);
disconnect(reply, nullptr, this, nullptr);
reply->deleteLater();
if (reply->error() != QNetworkReply::NoError) {
Error(QString("%1 (%2)").arg(reply->errorString()).arg(reply->error()));
emit SearchFinished(id, LyricsSearchResults());
return;
}
if (reply->attribute(QNetworkRequest::HttpStatusCodeAttribute).toInt() != 200) {
Error(QString("Received HTTP code %1").arg(reply->attribute(QNetworkRequest::HttpStatusCodeAttribute).toInt()));
emit SearchFinished(id, LyricsSearchResults());
return;
}
QXmlStreamReader reader(reply);
LyricsSearchResults results;
LyricsSearchResult result;
while (!reader.atEnd()) {
QXmlStreamReader::TokenType type = reader.readNext();
QStringRef name = reader.name();
if (type == QXmlStreamReader::StartElement) {
if (name == "GetLyricResult") {
result = LyricsSearchResult();
}
if (name == "LyricArtist") {
result.artist = reader.readElementText();
}
else if (name == "LyricSong") {
result.title = reader.readElementText();
}
else if (name == "Lyric") {
result.lyrics = reader.readElementText();
}
}
else if (type == QXmlStreamReader::EndElement) {
if (name == "GetLyricResult") {
if (!result.artist.isEmpty() && !result.title.isEmpty() && !result.lyrics.isEmpty() && (result.artist.toLower() == artist.toLower() || result.title.toLower() == title.toLower())) {
results << result;
}
result = LyricsSearchResult();
}
}
}
if (results.isEmpty()) qLog(Debug) << "ChartLyrics: No lyrics for" << artist << title;
else qLog(Debug) << "ChartLyrics: Got lyrics for" << artist << title;
emit SearchFinished(id, results);
}
void ChartLyricsProvider::Error(const QString &error, const QVariant &debug) {
qLog(Error) << "ChartLyrics:" << error;
if (debug.isValid()) qLog(Debug) << debug;
}