114 lines
3.9 KiB
C++
114 lines
3.9 KiB
C++
/*
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* Strawberry Music Player
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* This file was part of Clementine.
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* Copyright 2012, Martin Björklund <mbj4668@gmail.com>
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* Copyright 2016-2021, 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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#ifndef DISCOGSCOVERPROVIDER_H
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#define DISCOGSCOVERPROVIDER_H
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#include "config.h"
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#include <memory>
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#include <QObject>
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#include <QMetaType>
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#include <QPair>
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#include <QList>
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#include <QQueue>
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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 <QJsonObject>
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#include "jsoncoverprovider.h"
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#include "albumcoverfetcher.h"
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class NetworkAccessManager;
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class QNetworkReply;
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class QTimer;
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class Application;
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class DiscogsCoverProvider : public JsonCoverProvider {
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Q_OBJECT
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public:
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explicit DiscogsCoverProvider(Application *app, NetworkAccessManager *network, QObject *parent = nullptr);
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~DiscogsCoverProvider() override;
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bool StartSearch(const QString &artist, const QString &album, const QString &title, const int id) override;
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void CancelSearch(const int id) override;
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enum DiscogsCoverType {
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DiscogsCoverType_Master,
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DiscogsCoverType_Release,
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};
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struct DiscogsCoverReleaseContext {
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explicit DiscogsCoverReleaseContext(const quint64 _search_id = 0, const quint64 _id = 0, const QUrl &_url = QUrl()) : search_id(_search_id), id(_id), url(_url) {}
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quint64 search_id;
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quint64 id;
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QUrl url;
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};
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struct DiscogsCoverSearchContext {
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explicit DiscogsCoverSearchContext(const int _id = 0, const QString &_artist = QString(), const QString &_album = QString(), const DiscogsCoverType _type = DiscogsCoverType_Master) : id(_id), artist(_artist), album(_album), type(_type) {}
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int id;
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QString artist;
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QString album;
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DiscogsCoverType type;
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QMap<quint64, DiscogsCoverReleaseContext> requests_release_;
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CoverProviderSearchResults results;
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};
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private:
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typedef QPair<QString, QString> Param;
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typedef QList<Param> ParamList;
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void SendSearchRequest(std::shared_ptr<DiscogsCoverSearchContext> search);
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void SendReleaseRequest(const DiscogsCoverReleaseContext &release);
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QNetworkReply *CreateRequest(QUrl url, const ParamList ¶ms_provided = ParamList());
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QByteArray GetReplyData(QNetworkReply *reply);
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void StartReleaseRequest(std::shared_ptr<DiscogsCoverSearchContext> search, const quint64 release_id, const QUrl &url);
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void EndSearch(std::shared_ptr<DiscogsCoverSearchContext> search, const quint64 release_id = 0);
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void Error(const QString &error, const QVariant &debug = QVariant()) override;
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private slots:
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void FlushRequests();
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void HandleSearchReply(QNetworkReply *reply, const quint64 id);
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void HandleReleaseReply(QNetworkReply *reply, const quint64 id, const quint64 release_id);
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private:
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static const char *kUrlSearch;
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static const char *kAccessKeyB64;
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static const char *kSecretKeyB64;
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static const int kRequestsDelay;
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QTimer *timer_flush_requests_;
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QQueue<std::shared_ptr<DiscogsCoverSearchContext>> queue_search_requests_;
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QQueue<DiscogsCoverReleaseContext> queue_release_requests_;
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QMap<int, std::shared_ptr<DiscogsCoverSearchContext>> requests_search_;
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QList<QNetworkReply*> replies_;
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};
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Q_DECLARE_METATYPE(DiscogsCoverProvider::DiscogsCoverSearchContext)
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Q_DECLARE_METATYPE(DiscogsCoverProvider::DiscogsCoverReleaseContext)
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#endif // DISCOGSCOVERPROVIDER_H
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