314 lines
11 KiB
C++
314 lines
11 KiB
C++
/*
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* Strawberry Music Player
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* Copyright 2018-2021, 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 <algorithm>
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#include <QtGlobal>
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#include <QObject>
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#include <QPair>
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#include <QList>
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#include <QMap>
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#include <QVariant>
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#include <QByteArray>
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#include <QString>
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#include <QUrl>
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#include <QUrlQuery>
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#include <QNetworkRequest>
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#include <QNetworkReply>
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#include <QJsonDocument>
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#include <QJsonValue>
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#include <QJsonObject>
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#include <QJsonArray>
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#include "core/application.h"
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#include "core/networkaccessmanager.h"
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#include "core/logging.h"
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#include "core/song.h"
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#include "albumcoverfetcher.h"
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#include "albumcoverfetchersearch.h"
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#include "jsoncoverprovider.h"
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#include "deezercoverprovider.h"
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namespace {
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constexpr char kApiUrl[] = "https://api.deezer.com";
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constexpr int kLimit = 10;
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}
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DeezerCoverProvider::DeezerCoverProvider(Application *app, SharedPtr<NetworkAccessManager> network, QObject *parent)
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: JsonCoverProvider(QStringLiteral("Deezer"), true, false, 2.0, true, true, app, network, parent) {}
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DeezerCoverProvider::~DeezerCoverProvider() {
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while (!replies_.isEmpty()) {
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QNetworkReply *reply = replies_.takeFirst();
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QObject::disconnect(reply, nullptr, this, nullptr);
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reply->abort();
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reply->deleteLater();
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}
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}
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bool DeezerCoverProvider::StartSearch(const QString &artist, const QString &album, const QString &title, const int id) {
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if (artist.isEmpty() && album.isEmpty() && title.isEmpty()) return false;
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QString resource;
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QString query = artist;
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if (album.isEmpty() && !title.isEmpty()) {
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resource = QStringLiteral("search/track");
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if (!query.isEmpty()) query.append(QLatin1Char(' '));
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query.append(title);
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}
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else {
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resource = QStringLiteral("search/album");
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if (!album.isEmpty()) {
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if (!query.isEmpty()) query.append(QLatin1Char(' '));
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query.append(album);
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}
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}
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const ParamList params = ParamList() << Param(QStringLiteral("output"), QStringLiteral("json"))
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<< Param(QStringLiteral("q"), query)
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<< Param(QStringLiteral("limit"), QString::number(kLimit));
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QUrlQuery url_query;
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for (const Param ¶m : params) {
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url_query.addQueryItem(QString::fromLatin1(QUrl::toPercentEncoding(param.first)), QString::fromLatin1(QUrl::toPercentEncoding(param.second)));
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}
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QUrl url(QLatin1String(kApiUrl) + QLatin1Char('/') + resource);
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url.setQuery(url_query);
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QNetworkRequest req(url);
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req.setAttribute(QNetworkRequest::RedirectPolicyAttribute, QNetworkRequest::NoLessSafeRedirectPolicy);
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QNetworkReply *reply = network_->get(req);
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replies_ << reply;
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QObject::connect(reply, &QNetworkReply::finished, this, [this, reply, id]() { HandleSearchReply(reply, id); });
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return true;
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}
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void DeezerCoverProvider::CancelSearch(const int id) { Q_UNUSED(id); }
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QByteArray DeezerCoverProvider::GetReplyData(QNetworkReply *reply) {
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QByteArray data;
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if (reply->error() == QNetworkReply::NoError && reply->attribute(QNetworkRequest::HttpStatusCodeAttribute).toInt() == 200) {
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data = reply->readAll();
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}
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else {
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if (reply->error() != QNetworkReply::NoError && reply->error() < 200) {
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// This is a network error, there is nothing more to do.
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QString error = QStringLiteral("%1 (%2)").arg(reply->errorString()).arg(reply->error());
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Error(error);
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}
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else {
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// See if there is Json data containing "error" object - then use that instead.
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data = reply->readAll();
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QJsonParseError json_error;
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QJsonDocument json_doc = QJsonDocument::fromJson(data, &json_error);
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QString error;
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if (json_error.error == QJsonParseError::NoError && !json_doc.isEmpty() && json_doc.isObject()) {
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QJsonObject json_obj = json_doc.object();
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if (json_obj.contains(QStringLiteral("error"))) {
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QJsonValue value_error = json_obj[QStringLiteral("error")];
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if (value_error.isObject()) {
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QJsonObject obj_error = value_error.toObject();
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int code = obj_error[QStringLiteral("code")].toInt();
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QString message = obj_error[QStringLiteral("message")].toString();
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error = QStringLiteral("%1 (%2)").arg(message).arg(code);
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}
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}
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}
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if (error.isEmpty()) {
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if (reply->error() != QNetworkReply::NoError) {
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error = QStringLiteral("%1 (%2)").arg(reply->errorString()).arg(reply->error());
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}
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else {
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error = QStringLiteral("Received HTTP code %1").arg(reply->attribute(QNetworkRequest::HttpStatusCodeAttribute).toInt());
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}
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}
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Error(error);
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}
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return QByteArray();
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}
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return data;
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}
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QJsonValue DeezerCoverProvider::ExtractData(const QByteArray &data) {
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QJsonObject json_obj = ExtractJsonObj(data);
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if (json_obj.isEmpty()) return QJsonObject();
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if (json_obj.contains(QStringLiteral("error"))) {
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QJsonValue value_error = json_obj[QStringLiteral("error")];
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if (!value_error.isObject()) {
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Error(QStringLiteral("Error missing object"), json_obj);
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return QJsonValue();
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}
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QJsonObject obj_error = value_error.toObject();
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const int code = obj_error[QStringLiteral("code")].toInt();
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QString message = obj_error[QStringLiteral("message")].toString();
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Error(QStringLiteral("%1 (%2)").arg(message).arg(code));
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return QJsonValue();
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}
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if (!json_obj.contains(QStringLiteral("data")) && !json_obj.contains(QStringLiteral("DATA"))) {
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Error(QStringLiteral("Json reply object is missing data."), json_obj);
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return QJsonValue();
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}
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QJsonValue value_data;
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if (json_obj.contains(QStringLiteral("data"))) value_data = json_obj[QStringLiteral("data")];
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else value_data = json_obj[QStringLiteral("DATA")];
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return value_data;
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}
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void DeezerCoverProvider::HandleSearchReply(QNetworkReply *reply, const int id) {
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if (!replies_.contains(reply)) return;
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replies_.removeAll(reply);
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QObject::disconnect(reply, nullptr, this, nullptr);
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reply->deleteLater();
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QByteArray data = GetReplyData(reply);
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if (data.isEmpty()) {
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emit SearchFinished(id, CoverProviderSearchResults());
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return;
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}
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QJsonValue value_data = ExtractData(data);
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if (!value_data.isArray()) {
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emit SearchFinished(id, CoverProviderSearchResults());
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return;
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}
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QJsonArray array_data = value_data.toArray();
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if (array_data.isEmpty()) {
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emit SearchFinished(id, CoverProviderSearchResults());
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return;
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}
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QMap<QUrl, CoverProviderSearchResult> results;
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int i = 0;
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for (const QJsonValueRef json_value : array_data) {
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if (!json_value.isObject()) {
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Error(QStringLiteral("Invalid Json reply, data array value is not a object."));
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continue;
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}
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QJsonObject json_obj = json_value.toObject();
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QJsonObject obj_album;
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if (json_obj.contains(QStringLiteral("album")) && json_obj[QStringLiteral("album")].isObject()) { // Song search, so extract the album.
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obj_album = json_obj[QStringLiteral("album")].toObject();
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}
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else {
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obj_album = json_obj;
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}
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if (!json_obj.contains(QStringLiteral("id")) || !obj_album.contains(QStringLiteral("id"))) {
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Error(QStringLiteral("Invalid Json reply, data array value object is missing ID."), json_obj);
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continue;
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}
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if (!obj_album.contains(QStringLiteral("type"))) {
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Error(QStringLiteral("Invalid Json reply, data array value album object is missing type."), obj_album);
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continue;
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}
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QString type = obj_album[QStringLiteral("type")].toString();
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if (type != QStringLiteral("album")) {
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Error(QStringLiteral("Invalid Json reply, data array value album object has incorrect type returned"), obj_album);
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continue;
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}
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if (!json_obj.contains(QStringLiteral("artist"))) {
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Error(QStringLiteral("Invalid Json reply, data array value object is missing artist."), json_obj);
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continue;
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}
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QJsonValue value_artist = json_obj[QStringLiteral("artist")];
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if (!value_artist.isObject()) {
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Error(QStringLiteral("Invalid Json reply, data array value artist is not a object."), value_artist);
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continue;
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}
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QJsonObject obj_artist = value_artist.toObject();
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if (!obj_artist.contains(QStringLiteral("name"))) {
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Error(QStringLiteral("Invalid Json reply, data array value artist object is missing name."), obj_artist);
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continue;
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}
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QString artist = obj_artist[QStringLiteral("name")].toString();
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if (!obj_album.contains(QStringLiteral("title"))) {
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Error(QStringLiteral("Invalid Json reply, data array value album object is missing title."), obj_album);
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continue;
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}
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QString album = obj_album[QStringLiteral("title")].toString();
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CoverProviderSearchResult cover_result;
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cover_result.artist = artist;
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cover_result.album = Song::AlbumRemoveDiscMisc(album);
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bool have_cover = false;
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QList<QPair<QString, QSize>> cover_sizes = QList<QPair<QString, QSize>>() << qMakePair(QStringLiteral("cover_xl"), QSize(1000, 1000))
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<< qMakePair(QStringLiteral("cover_big"), QSize(500, 500));
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for (const QPair<QString, QSize> &cover_size : cover_sizes) {
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if (!obj_album.contains(cover_size.first)) continue;
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QString cover = obj_album[cover_size.first].toString();
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if (!have_cover) {
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have_cover = true;
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++i;
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}
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QUrl url(cover);
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if (!results.contains(url)) {
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cover_result.image_url = url;
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cover_result.image_size = cover_size.second;
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cover_result.number = i;
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results.insert(url, cover_result);
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}
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}
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if (!have_cover) {
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Error(QStringLiteral("Invalid Json reply, data array value album object is missing cover."), obj_album);
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}
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}
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if (results.isEmpty()) {
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emit SearchFinished(id, CoverProviderSearchResults());
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}
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else {
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CoverProviderSearchResults cover_results = results.values();
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std::stable_sort(cover_results.begin(), cover_results.end(), AlbumCoverFetcherSearch::CoverProviderSearchResultCompareNumber);
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emit SearchFinished(id, cover_results);
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}
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}
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void DeezerCoverProvider::Error(const QString &error, const QVariant &debug) {
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qLog(Error) << "Deezer:" << error;
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if (debug.isValid()) qLog(Debug) << debug;
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}
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