137 lines
4.4 KiB
C++
137 lines
4.4 KiB
C++
/*
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* Strawberry Music Player
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* Copyright 2018, Jonas Kvinge <jonas@jkvinge.net>
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*
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* Strawberry 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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*
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* Strawberry 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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*
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* You should have received a copy of the GNU General Public License
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* along with Strawberry. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include "config.h"
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#include <QObject>
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#include <QByteArray>
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#include <QList>
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#include <QPair>
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#include <QVariant>
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#include <QString>
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#include <QUrl>
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#include <QUrlQuery>
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#include <QNetworkAccessManager>
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#include <QNetworkRequest>
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#include <QNetworkReply>
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#include <QXmlStreamReader>
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#include "core/closure.h"
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#include "core/logging.h"
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#include "core/network.h"
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#include "core/utilities.h"
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#include "lyricsprovider.h"
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#include "lyricsfetcher.h"
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#include "chartlyricsprovider.h"
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const char *ChartLyricsProvider::kUrlSearch = "http://api.chartlyrics.com/apiv1.asmx/SearchLyricDirect";
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const int ChartLyricsProvider::kMaxLength = 6000;
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ChartLyricsProvider::ChartLyricsProvider(QObject *parent) : LyricsProvider("ChartLyrics", parent), network_(new NetworkAccessManager(this)) {}
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bool ChartLyricsProvider::StartSearch(const QString &artist, const QString &album, const QString &title, quint64 id) {
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typedef QPair<QString, QString> Param;
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typedef QList<Param> ParamList;
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typedef QPair<QByteArray, QByteArray> EncodedParam;
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typedef QList<EncodedParam> EncodedParamList;
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ParamList params = ParamList() << Param("artist", artist)
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<< Param("song", title);
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QUrlQuery url_query;
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QUrl url(kUrlSearch);
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for (const Param ¶m : params) {
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EncodedParam encoded_param(QUrl::toPercentEncoding(param.first), QUrl::toPercentEncoding(param.second));
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url_query.addQueryItem(encoded_param.first, encoded_param.second);
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}
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url.setQuery(url_query);
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QNetworkReply *reply = network_->get(QNetworkRequest(url));
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NewClosure(reply, SIGNAL(finished()), this, SLOT(HandleSearchReply(QNetworkReply*, quint64, QString, QString)), reply, id, artist, title);
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return true;
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}
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void ChartLyricsProvider::CancelSearch(quint64 id) {
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}
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void ChartLyricsProvider::HandleSearchReply(QNetworkReply *reply, quint64 id, const QString artist, const QString title) {
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reply->deleteLater();
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if (reply->error() != QNetworkReply::NoError) {
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QString failure_reason = QString("%1 (%2)").arg(reply->errorString()).arg(reply->error());
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Error(id, failure_reason);
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return;
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}
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QXmlStreamReader reader(reply);
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LyricsSearchResults results;
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LyricsSearchResult result;
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while (!reader.atEnd()) {
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QXmlStreamReader::TokenType type = reader.readNext();
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QStringRef name = reader.name();
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if (type == QXmlStreamReader::StartElement) {
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if (name == "GetLyricResult") {
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result = LyricsSearchResult();
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}
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if (name == "LyricArtist") {
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result.artist = reader.readElementText();
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}
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else if (name == "LyricSong") {
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result.title = reader.readElementText();
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}
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else if (name == "Lyric") {
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result.lyrics = reader.readElementText();
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}
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}
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else if (type == QXmlStreamReader::EndElement) {
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if (name == "GetLyricResult") {
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if (!result.artist.isEmpty() && !result.title.isEmpty() && !result.lyrics.isEmpty()) {
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result.score = 0.0;
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if (result.artist.toLower() == artist.toLower()) result.score += 1.0;
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if (result.title.toLower() == title.toLower()) result.score += 1.0;
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if (result.artist.toLower() == artist.toLower() || result.title.toLower() == title.toLower()) {
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results << result;
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}
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}
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result = LyricsSearchResult();
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}
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}
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}
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if (results.isEmpty()) qLog(Debug) << "ChartLyrics: No lyrics for" << artist << title;
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else qLog(Debug) << "ChartLyrics: Got lyrics for" << artist << title;
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emit SearchFinished(id, results);
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}
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void ChartLyricsProvider::Error(quint64 id, QString error, QVariant debug) {
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qLog(Error) << "ChartLyrics:" << error;
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if (debug.isValid()) qLog(Debug) << debug;
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LyricsSearchResults results;
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emit SearchFinished(id, results);
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}
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