6e395ef151
The use of Q_ASSERT(false) is bogus as we don't need to test here, but want to signal unreachability. Q_UNREACHABLE_RETURN allows us to tell the compiler that the point can't be reached while also getting rid of the no return error. Task-number: QTBUG-114689 Change-Id: I007cd243055237bcc21772a4130a6c1a44fd882d Reviewed-by: Ulf Hermann <ulf.hermann@qt.io> (cherry picked from commit ce39beea0cd49bb93b0e345194265dd8081094cd) Reviewed-by: Qt Cherry-pick Bot <cherrypick_bot@qt-project.org>
51 lines
1.1 KiB
C++
51 lines
1.1 KiB
C++
// Copyright (C) 2021 The Qt Company Ltd.
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// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
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#include "bindablesubscription.h"
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#include "bindableuser.h"
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//! [binding-expressions]
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BindableSubscription::BindableSubscription(BindableUser *user) : m_user(user)
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{
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Q_ASSERT(user);
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m_price.setBinding([this] { return qRound(calculateDiscount() * m_duration * basePrice()); });
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m_isValid.setBinding([this] {
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return m_user->country() != BindableUser::Country::AnyCountry && m_user->age() > 12;
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});
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}
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//! [binding-expressions]
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//! [set-duration]
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void BindableSubscription::setDuration(Duration newDuration)
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{
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m_duration = newDuration;
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}
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//! [set-duration]
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double BindableSubscription::calculateDiscount() const
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{
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switch (m_duration) {
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case Monthly:
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return 1;
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case Quarterly:
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return 0.9;
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case Yearly:
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return 0.6;
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}
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Q_UNREACHABLE_RETURN(-1);
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}
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int BindableSubscription::basePrice() const
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{
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if (m_user->country() == BindableUser::Country::AnyCountry)
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return 0;
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return (m_user->country() == BindableUser::Country::Norway) ? 100 : 80;
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}
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