beerlog/viewmodels/productsviewmodel.h

#ifndef PRODUCTSVIEWMODEL_H
#define PRODUCTSVIEWMODEL_H

#include <QObject>
#include <QVariantMap>

#include "models/restsmodel.h"

#include "services/modelsregister.h"

class SettingsService;
class ProductsViewModel : public QObject
{
    Q_OBJECT

    Q_PROPERTY(QVariantList products READ products NOTIFY productsChanged)
    Q_PROPERTY(QVariantList order READ order NOTIFY orderChanged)
    Q_PROPERTY(float orderSum READ orderSum NOTIFY orderChanged)

public:
    explicit ProductsViewModel(QObject *parent = nullptr);

    QVariantList products() const;
    QVariantList order() const;
    float orderSum() const;

    Q_INVOKABLE void setOrderValue(const QString &productId, float value);
    Q_INVOKABLE void submitOrder();

signals:
    void productsChanged();
    void orderChanged();

private:
    SettingsService *settings() const;
    float productRest(const QString &productId) const;
    void updateRests() const;

    BaseModel *m_productsModel = ModelsRegister::model("products");
    BaseModel *m_ordersModel = ModelsRegister::model("orders");
    RestsModel *m_restsModel = ModelsRegister::get<RestsModel>("rests");
    QVariantMap m_order;
};

#endif // PRODUCTSVIEWMODEL_H