qt5base-lts/examples/corelib/bindableproperties/bindablesubscription/bindablesubscription.cpp
Lucie Gérard 05fc3aef53 Use SPDX license identifiers
Replace the current license disclaimer in files by
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Task-number: QTBUG-67283
Change-Id: Id880c92784c40f3bbde861c0d93f58151c18b9f1
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>
Reviewed-by: Lars Knoll <lars.knoll@qt.io>
Reviewed-by: Jörg Bornemann <joerg.bornemann@qt.io>
2022-05-16 16:37:38 +02:00

52 lines
1.1 KiB
C++

// Copyright (C) 2021 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
#include "bindablesubscription.h"
#include "bindableuser.h"
//! [binding-expressions]
BindableSubscription::BindableSubscription(BindableUser *user) : m_user(user)
{
Q_ASSERT(user);
m_price.setBinding([this] { return qRound(calculateDiscount() * m_duration * basePrice()); });
m_isValid.setBinding([this] {
return m_user->country() != BindableUser::None && m_user->age() > 12;
});
}
//! [binding-expressions]
//! [set-duration]
void BindableSubscription::setDuration(Duration newDuration)
{
m_duration = newDuration;
}
//! [set-duration]
double BindableSubscription::calculateDiscount() const
{
switch (m_duration) {
case Monthly:
return 1;
case Quarterly:
return 0.9;
case Yearly:
return 0.6;
}
Q_ASSERT(false);
return -1;
}
int BindableSubscription::basePrice() const
{
if (m_user->country() == BindableUser::None)
return 0;
return (m_user->country() == BindableUser::Norway) ? 100 : 80;
}