basestorage.h

/* ScummVM - Graphic Adventure Engine
 *
 * ScummVM is the legal property of its developers, whose names
 * are too numerous to list here. Please refer to the COPYRIGHT
 * file distributed with this source distribution.
 *
 * This program 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.
 *
 * This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

#ifndef BACKENDS_CLOUD_BASE_STORAGE_H
#define BACKENDS_CLOUD_BASE_STORAGE_H

#include "backends/cloud/storage.h"
#include "backends/networking/curl/curljsonrequest.h"

namespace Cloud {

class BaseStorage: public Cloud::Storage {
protected:
    Common::String _token, _refreshToken;

    virtual void getAccessToken(const Common::String &code, Networking::ErrorCallback callback);

    virtual void codeFlowComplete(Networking::ErrorCallback callback, const Networking::JsonResponse &response);

    virtual void codeFlowFailed(Networking::ErrorCallback callback, const Networking::ErrorResponse &error);

    virtual Common::String cloudProvider() = 0;

    virtual uint32 storageIndex() = 0;

    virtual bool needsRefreshToken() = 0;

    virtual bool canReuseRefreshToken() = 0;

private:
    void tokenRefreshed(BoolCallback callback, const Networking::JsonResponse &response);

protected:
    void saveIsEnabledFlag(const Common::String &keyPrefix) const;

    static bool loadIsEnabledFlag(const Common::String &keyPrefix);

    static void removeIsEnabledFlag(const Common::String &keyPrefix);

public:
    BaseStorage();
    BaseStorage(const Common::String &token, const Common::String &refreshToken, bool enabled = false);
    ~BaseStorage() override;

    virtual void refreshAccessToken(BoolCallback callback, Networking::ErrorCallback errorCallback = nullptr);
};

} // End of namespace Cloud

#endif