dbobjectsrequest.h

Go to the documentation of this file.

/*
 * 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 DBOBJECTSREQUEST_H
#define DBOBJECTSREQUEST_H
 
#include "dbobjectset.h"
 
#include <QDataStream>
 
 
namespace QH {
namespace PKG {
 
template <class T>
class DBObjectsRequest final: public DBObjectSet
{
public:
 
    DBObjectsRequest(const Package& pkkg) {
        fromBytes(pkkg.toBytes());
    }
 
    DBObjectsRequest(const QString& table,
                     const QString& conditions = "",
                     const QVariantMap& valuesToBind = {}):
        DBObjectSet (table) {
 
        _conditions = conditions;
        _condirionValues = valuesToBind;
    };
 
    void clear() override {
        _data.clear();
    };
 
    bool fromSqlRecord(const QSqlRecord &q) override {
        auto ptr = QSharedPointer<T>::create();
 
        if (!ptr->fromSqlRecord(q)) {
            clear();
            return false;
        }
 
        _data.push_back(ptr);
 
        return true;
    };
 
    QDataStream &fromStream(QDataStream &stream) override {
        return stream;
    };
 
    QDataStream &toStream(QDataStream &stream) const override {
        return stream;
    };
 
    bool isValid() const override {
        return true;
    };
 
    const QList<QSharedPointer<T>> & data() const {
        return _data;
    };
 
    DBVariantMap variantMap() const override {
        return T{}.variantMap();
    };
 
    void setConditions(const QString &newConditions) {
        _conditions = newConditions;
    }
 
protected:
 
    std::pair<QString, QMap<QString, QVariant> > condition() const override {
        return {_conditions, _condirionValues};
    }
 
    DBObject *createDBObject() const override {
        return create<DBObjectsRequest<T>>(table(), _conditions);
    };
 
    QList<QSharedPointer<T>> _data;
 
private:
    QString _conditions;
    QVariantMap _condirionValues;
 
 
};
 
}
}
#endif // DBOBJECTSREQUEST_H