FileIOProcessorAsync.h

/*
 * Copyright 2016-2025 Dmitry Ivanov
 *
 * This file is part of libquentier
 *
 * libquentier is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, version 3 of the License.
 *
 * libquentier 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 Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with libquentier. If not, see <http://www.gnu.org/licenses/>.
 */

#pragma once

#include <quentier/types/ErrorString.h>
#include <quentier/utility/Linkage.h>

#include <QByteArray>
#include <QIODevice>
#include <QObject>
#include <QString>
#include <QUuid>

namespace quentier::utility {

class FileIOProcessorAsyncPrivate;

class QUENTIER_EXPORT FileIOProcessorAsync : public QObject
{
    Q_OBJECT
public:
    explicit FileIOProcessorAsync(QObject * parent = nullptr);

    void setIdleTimePeriod(qint32 seconds);

Q_SIGNALS:
    void readyForIO();

    void writeFileRequestProcessed(
        bool success, ErrorString errorDescription, QUuid requestId);

    void readFileRequestProcessed(
        bool success, ErrorString errorDescription, QByteArray data,
        QUuid requestId);

public Q_SLOTS:
    void onWriteFileRequest(
        QString absoluteFilePath, QByteArray data, QUuid requestId,
        bool append);

    void onReadFileRequest(QString absoluteFilePath, QUuid requestId);

private:
    FileIOProcessorAsyncPrivate * const d_ptr;
    Q_DECLARE_PRIVATE(FileIOProcessorAsync)
};

} // namespace quentier::utility