dbobjectsrequestwithStream.h

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/*
 * Copyright (C) 2018-2024 QuasarApp.
 * Distributed under the lgplv3 software license, see the accompanying
 * Everyone is permitted to copy and distribute verbatim copies
 * of this license document, but changing it is not allowed.
*/
 
#ifndef DBOBJECTSREQUESTWITHSTREAM_H
#define DBOBJECTSREQUESTWITHSTREAM_H
 
#include "dbobjectsrequest.h"
 
#include <QDataStream>
 
 
namespace QH {
namespace PKG {
 
template <class T>
class DBObjectsRequestWithStream final: public DBObjectsRequest<T>
{
public:
 
    DBObjectsRequestWithStream(const Package& pkkg):DBObjectsRequest<T>(pkkg) {}
 
    DBObjectsRequestWithStream(const QString& table,
                     const QString& conditions = "" ):
        DBObjectsRequest<T> (table, conditions) { };
 
protected:
 
    QDataStream &fromStream(QDataStream &stream) override {
        DBObjectSet::fromStream(stream);
 
        int size = 0;
        stream >> size;
 
        for (int i = 0; i < size; ++i) {
            auto ptr = QSharedPointer<T>::create();
 
            stream >> *ptr;
 
            _data.push_back(ptr);
        }
 
        return stream;
    };
 
    QDataStream &toStream(QDataStream &stream) const override {
        DBObjectSet::toStream(stream);
 
        stream << static_cast<int>(_data.size());
 
        for (auto object: _data) {
            stream << *object;
        }
 
        return stream;
    };
 
};
 
}
}
#endif // DBOBJECTSREQUESTWITHSTREAM_H