bindablesubscription.h

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++ // Copyright (C) 2021 The Qt Company Ltd.

++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause

++

++ #ifndef BINDABLESUBSCRIPTION_H

++ #define BINDABLESUBSCRIPTION_H

++

++ #include <QBindable>

++ #include <QProperty>

++

++ class BindableUser;

++

++ //! [bindable-subscription-class]

++

++ class BindableSubscription

++ {

++ public:

++     enum Duration { Monthly = 1, Quarterly = 3, Yearly = 12 };

++

++     BindableSubscription(BindableUser *user);

++     BindableSubscription(const BindableSubscription &) = delete;

++

++     int price() const { return m_price; }

++     QBindable<int> bindablePrice() { return &m_price; }

++

++     Duration duration() const { return m_duration; }

++     void setDuration(Duration newDuration);

++     QBindable<Duration> bindableDuration() { return &m_duration; }

++

++     bool isValid() const { return m_isValid; }

++     QBindable<bool> bindableIsValid() { return &m_isValid; }

++

++ private:

++     double calculateDiscount() const;

++     int basePrice() const;

++

++     BindableUser *m_user;

++     QProperty<Duration> m_duration { Monthly };

++     QProperty<int> m_price { 0 };

++     QProperty<bool> m_isValid { false };

++ };

++

++ //! [bindable-subscription-class]

++

++ #endif // BNDABLESUBSCRIPTION_H