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68 lines
1.9 KiB
C++
68 lines
1.9 KiB
C++
/*
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This file is part of Telegram Desktop,
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the official desktop application for the Telegram messaging service.
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For license and copyright information please follow this link:
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https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
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*/
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#pragma once
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#include "data/data_premium_subscription_option.h"
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namespace Api {
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[[nodiscard]] Data::PremiumSubscriptionOption CreateSubscriptionOption(
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int months,
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int monthlyAmount,
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int64 amount,
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const QString ¤cy,
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const QString &botUrl);
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template<typename Option>
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[[nodiscard]] auto PremiumSubscriptionOptionsFromTL(
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const QVector<Option> &tlOpts) -> Data::PremiumSubscriptionOptions {
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if (tlOpts.isEmpty()) {
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return {};
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}
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auto monthlyAmountPerCurrency = base::flat_map<QString, int>();
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auto result = Data::PremiumSubscriptionOptions();
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const auto monthlyAmount = [&](const QString ¤cy) -> int {
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const auto it = monthlyAmountPerCurrency.find(currency);
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if (it != end(monthlyAmountPerCurrency)) {
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return it->second;
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}
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const auto &min = ranges::min_element(
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tlOpts,
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ranges::less(),
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[&](const Option &o) {
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return currency == qs(o.data().vcurrency())
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? o.data().vamount().v
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: std::numeric_limits<int64_t>::max();
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}
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)->data();
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const auto monthly = min.vamount().v / float64(min.vmonths().v);
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monthlyAmountPerCurrency.emplace(currency, monthly);
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return monthly;
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};
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result.reserve(tlOpts.size());
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for (const auto &tlOption : tlOpts) {
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const auto &option = tlOption.data();
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auto botUrl = QString();
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if constexpr (!std::is_same_v<Option, MTPPremiumGiftCodeOption>) {
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botUrl = qs(option.vbot_url());
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}
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const auto months = option.vmonths().v;
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const auto amount = option.vamount().v;
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const auto currency = qs(option.vcurrency());
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result.push_back(CreateSubscriptionOption(
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months,
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monthlyAmount(currency),
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amount,
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currency,
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botUrl));
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}
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return result;
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}
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} // namespace Api
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