strawberry-audio-player-win.../src/covermanager/deezercoverprovider.cpp

320 lines
10 KiB
C++

/*
* Strawberry Music Player
* Copyright 2018-2021, 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 <QObject>
#include <QPair>
#include <QSet>
#include <QList>
#include <QMap>
#include <QVariant>
#include <QByteArray>
#include <QString>
#include <QUrl>
#include <QUrlQuery>
#include <QNetworkRequest>
#include <QNetworkReply>
#include <QJsonDocument>
#include <QJsonValue>
#include <QJsonObject>
#include <QJsonArray>
#include <QtDebug>
#include "core/application.h"
#include "core/networkaccessmanager.h"
#include "core/logging.h"
#include "core/song.h"
#include "albumcoverfetcher.h"
#include "albumcoverfetchersearch.h"
#include "jsoncoverprovider.h"
#include "deezercoverprovider.h"
const char *DeezerCoverProvider::kApiUrl = "https://api.deezer.com";
const int DeezerCoverProvider::kLimit = 10;
DeezerCoverProvider::DeezerCoverProvider(Application *app, NetworkAccessManager *network, QObject *parent)
: JsonCoverProvider("Deezer", true, false, 2.0, true, true, app, network, parent) {}
DeezerCoverProvider::~DeezerCoverProvider() {
while (!replies_.isEmpty()) {
QNetworkReply *reply = replies_.takeFirst();
QObject::disconnect(reply, nullptr, this, nullptr);
reply->abort();
reply->deleteLater();
}
}
bool DeezerCoverProvider::StartSearch(const QString &artist, const QString &album, const QString &title, const int id) {
typedef QPair<QString, QString> Param;
typedef QList<Param> Params;
if (artist.isEmpty() && album.isEmpty() && title.isEmpty()) return false;
QString resource;
QString query = artist;
if (album.isEmpty() && !title.isEmpty()) {
resource = "search/track";
if (!query.isEmpty()) query.append(" ");
query.append(title);
}
else {
resource = "search/album";
if (!album.isEmpty()) {
if (!query.isEmpty()) query.append(" ");
query.append(album);
}
}
const Params params = Params() << Param("output", "json")
<< Param("q", query)
<< Param("limit", QString::number(kLimit));
QUrlQuery url_query;
for (const Param &param : params) {
url_query.addQueryItem(QUrl::toPercentEncoding(param.first), QUrl::toPercentEncoding(param.second));
}
QUrl url(kApiUrl + QString("/") + resource);
url.setQuery(url_query);
QNetworkRequest req(url);
req.setAttribute(QNetworkRequest::RedirectPolicyAttribute, QNetworkRequest::NoLessSafeRedirectPolicy);
QNetworkReply *reply = network_->get(req);
replies_ << reply;
QObject::connect(reply, &QNetworkReply::finished, this, [this, reply, id]() { HandleSearchReply(reply, id); });
return true;
}
void DeezerCoverProvider::CancelSearch(const int id) { Q_UNUSED(id); }
QByteArray DeezerCoverProvider::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.
QString error = QString("%1 (%2)").arg(reply->errorString()).arg(reply->error());
Error(error);
}
else {
// See if there is Json data containing "error" object - then use that instead.
data = reply->readAll();
QJsonParseError json_error;
QJsonDocument json_doc = QJsonDocument::fromJson(data, &json_error);
QString error;
if (json_error.error == QJsonParseError::NoError && !json_doc.isEmpty() && json_doc.isObject()) {
QJsonObject json_obj = json_doc.object();
if (json_obj.contains("error")) {
QJsonValue value_error = json_obj["error"];
if (value_error.isObject()) {
QJsonObject obj_error = value_error.toObject();
int code = obj_error["code"].toInt();
QString message = obj_error["message"].toString();
error = QString("%1 (%2)").arg(message).arg(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;
}
QJsonValue DeezerCoverProvider::ExtractData(const QByteArray &data) {
QJsonObject json_obj = ExtractJsonObj(data);
if (json_obj.isEmpty()) return QJsonObject();
if (json_obj.contains("error")) {
QJsonValue value_error = json_obj["error"];
if (!value_error.isObject()) {
Error("Error missing object", json_obj);
return QJsonValue();
}
QJsonObject obj_error = value_error.toObject();
const int code = obj_error["code"].toInt();
QString message = obj_error["message"].toString();
Error(QString("%1 (%2)").arg(message).arg(code));
return QJsonValue();
}
if (!json_obj.contains("data") && !json_obj.contains("DATA")) {
Error("Json reply object is missing data.", json_obj);
return QJsonValue();
}
QJsonValue value_data;
if (json_obj.contains("data")) value_data = json_obj["data"];
else value_data = json_obj["DATA"];
return value_data;
}
void DeezerCoverProvider::HandleSearchReply(QNetworkReply *reply, const int id) {
if (!replies_.contains(reply)) return;
replies_.removeAll(reply);
QObject::disconnect(reply, nullptr, this, nullptr);
reply->deleteLater();
QByteArray data = GetReplyData(reply);
if (data.isEmpty()) {
emit SearchFinished(id, CoverProviderSearchResults());
return;
}
QJsonValue value_data = ExtractData(data);
if (!value_data.isArray()) {
emit SearchFinished(id, CoverProviderSearchResults());
return;
}
QJsonArray array_data = value_data.toArray();
if (array_data.isEmpty()) {
emit SearchFinished(id, CoverProviderSearchResults());
return;
}
QMap<QUrl, CoverProviderSearchResult> results;
int i = 0;
for (const QJsonValueRef json_value : array_data) {
if (!json_value.isObject()) {
Error("Invalid Json reply, data array value is not a object.");
continue;
}
QJsonObject json_obj = json_value.toObject();
QJsonObject obj_album;
if (json_obj.contains("album") && json_obj["album"].isObject()) { // Song search, so extract the album.
obj_album = json_obj["album"].toObject();
}
else {
obj_album = json_obj;
}
if (!json_obj.contains("id") || !obj_album.contains("id")) {
Error("Invalid Json reply, data array value object is missing ID.", json_obj);
continue;
}
if (!obj_album.contains("type")) {
Error("Invalid Json reply, data array value album object is missing type.", obj_album);
continue;
}
QString type = obj_album["type"].toString();
if (type != "album") {
Error("Invalid Json reply, data array value album object has incorrect type returned", obj_album);
continue;
}
if (!json_obj.contains("artist")) {
Error("Invalid Json reply, data array value object is missing artist.", json_obj);
continue;
}
QJsonValue value_artist = json_obj["artist"];
if (!value_artist.isObject()) {
Error("Invalid Json reply, data array value artist is not a object.", value_artist);
continue;
}
QJsonObject obj_artist = value_artist.toObject();
if (!obj_artist.contains("name")) {
Error("Invalid Json reply, data array value artist object is missing name.", obj_artist);
continue;
}
QString artist = obj_artist["name"].toString();
if (!obj_album.contains("title")) {
Error("Invalid Json reply, data array value album object is missing title.", obj_album);
continue;
}
QString album = obj_album["title"].toString();
album = album.remove(Song::kAlbumRemoveDisc);
album = album.remove(Song::kAlbumRemoveMisc);
CoverProviderSearchResult cover_result;
cover_result.artist = artist;
cover_result.album = album;
bool have_cover = false;
QList<QPair<QString, QSize>> cover_sizes = QList<QPair<QString, QSize>>() << qMakePair(QString("cover_xl"), QSize(1000, 1000))
<< qMakePair(QString("cover_big"), QSize(500, 500));
for (const QPair<QString, QSize> &cover_size : cover_sizes) {
if (!obj_album.contains(cover_size.first)) continue;
QString cover = obj_album[cover_size.first].toString();
if (!have_cover) {
have_cover = true;
++i;
}
QUrl url(cover);
if (!results.contains(url)) {
cover_result.image_url = url;
cover_result.image_size = cover_size.second;
cover_result.number = i;
results.insert(url, cover_result);
}
}
if (!have_cover) {
Error("Invalid Json reply, data array value album object is missing cover.", obj_album);
}
}
if (results.isEmpty()) {
emit SearchFinished(id, CoverProviderSearchResults());
}
else {
CoverProviderSearchResults cover_results = results.values();
std::stable_sort(cover_results.begin(), cover_results.end(), AlbumCoverFetcherSearch::CoverProviderSearchResultCompareNumber);
emit SearchFinished(id, cover_results);
}
}
void DeezerCoverProvider::Error(const QString &error, const QVariant &debug) {
qLog(Error) << "Deezer:" << error;
if (debug.isValid()) qLog(Debug) << debug;
}