ed6a3ce0af
- Fix the number of months in each duration - Move the user Country enum to use QLocale::Territory - Properly calculate the cost per month to match the UI label - Use QLocale to format the price display text - Fix some misspellings and grammar in the doc Pick-to: 6.2 6.5 Change-Id: I78a64f344073070cd94d5cb4a8a4c7c13afa337f Reviewed-by: Paul Wicking <paul.wicking@qt.io>
80 lines
1.5 KiB
C++
80 lines
1.5 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 "subscription.h"
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#include "user.h"
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Subscription::Subscription(User *user) : m_user(user)
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{
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Q_ASSERT(user);
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}
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//! [calculate-price]
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void Subscription::calculatePrice()
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{
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const auto oldPrice = m_price;
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m_price = qRound(calculateDiscount() * m_duration * basePrice());
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if (m_price != oldPrice)
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emit priceChanged();
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}
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//! [calculate-price]
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//! [set-duration]
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void Subscription::setDuration(Duration newDuration)
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{
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if (newDuration != m_duration) {
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m_duration = newDuration;
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calculatePrice();
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emit durationChanged();
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}
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}
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//! [set-duration]
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//! [calculate-discount]
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double Subscription::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_ASSERT(false);
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return -1;
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}
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//! [calculate-discount]
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//! [calculate-base-price]
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int Subscription::basePrice() const
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{
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if (m_user->country() == User::Country::AnyTerritory)
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return 0;
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return (m_user->country() == User::Country::Norway) ? 100 : 80;
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}
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//! [calculate-base-price]
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//! [update-validity]
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void Subscription::updateValidity()
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{
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bool isValid = m_isValid;
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m_isValid = m_user->country() != User::Country::AnyTerritory && m_user->age() > 12;
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if (m_isValid != isValid)
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emit isValidChanged();
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}
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//! [update-validity]
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