110 lines
4.3 KiB
C++
110 lines
4.3 KiB
C++
//
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// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2022
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//
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//
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#include "td/telegram/PremiumGiftOption.h"
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#include "td/telegram/LinkManager.h"
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#include "td/telegram/Payments.h"
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#include "td/utils/algorithm.h"
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#include "td/utils/common.h"
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#include "td/utils/logging.h"
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#include <algorithm>
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#include <tuple>
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namespace td {
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PremiumGiftOption::PremiumGiftOption(telegram_api::object_ptr<telegram_api::premiumGiftOption> &&option)
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: months_(option->months_)
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, currency_(std::move(option->currency_))
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, amount_(option->amount_)
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, bot_url_(std::move(option->bot_url_))
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, store_product_(std::move(option->store_product_)) {
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}
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PremiumGiftOption::PremiumGiftOption(telegram_api::object_ptr<telegram_api::premiumSubscriptionOption> &&option)
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: months_(option->months_)
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, currency_(std::move(option->currency_))
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, amount_(option->amount_)
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, bot_url_(std::move(option->bot_url_))
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, store_product_(std::move(option->store_product_)) {
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}
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bool PremiumGiftOption::is_valid() const {
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if (amount_ <= 0 || !check_currency_amount(amount_)) {
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LOG(ERROR) << "Receive invalid premium payment option amount " << amount_;
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return false;
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}
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if (currency_.size() != 3) {
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LOG(ERROR) << "Receive invalid premium payment option currency " << currency_;
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return false;
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}
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return true;
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}
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double PremiumGiftOption::get_monthly_price() const {
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return static_cast<double>(amount_) / static_cast<double>(months_);
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}
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td_api::object_ptr<td_api::premiumPaymentOption> PremiumGiftOption::get_premium_payment_option_object(
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const PremiumGiftOption &base_option) const {
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auto link_type = LinkManager::parse_internal_link(bot_url_, true);
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int32 discount_percentage = 0;
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if (base_option.months_ > 0 && months_ > 0 && base_option.amount_ > 0 && amount_ > 0) {
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double relative_price = get_monthly_price() / base_option.get_monthly_price();
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if (relative_price < 1.0) {
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discount_percentage = static_cast<int32>(100 * (1.0 - relative_price));
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}
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}
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return td_api::make_object<td_api::premiumPaymentOption>(
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currency_, amount_, discount_percentage, months_, store_product_,
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link_type == nullptr ? nullptr : link_type->get_internal_link_type_object());
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}
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bool operator<(const PremiumGiftOption &lhs, const PremiumGiftOption &rhs) {
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return std::tie(lhs.months_, lhs.amount_, lhs.currency_, lhs.store_product_, lhs.bot_url_) <
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std::tie(rhs.months_, rhs.amount_, rhs.currency_, rhs.store_product_, rhs.bot_url_);
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}
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bool operator==(const PremiumGiftOption &lhs, const PremiumGiftOption &rhs) {
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return lhs.months_ == rhs.months_ && lhs.currency_ == rhs.currency_ && lhs.amount_ == rhs.amount_ &&
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lhs.bot_url_ == rhs.bot_url_ && lhs.store_product_ == rhs.store_product_;
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}
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bool operator!=(const PremiumGiftOption &lhs, const PremiumGiftOption &rhs) {
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return !(lhs == rhs);
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}
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vector<PremiumGiftOption> get_premium_gift_options(
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vector<telegram_api::object_ptr<telegram_api::premiumGiftOption>> &&options) {
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auto premium_gift_options = transform(
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std::move(options), [](auto &&premium_gift_option) { return PremiumGiftOption(std::move(premium_gift_option)); });
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td::remove_if(premium_gift_options, [](const auto &premium_gift_option) { return !premium_gift_option.is_valid(); });
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return premium_gift_options;
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}
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vector<PremiumGiftOption> get_premium_gift_options(
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vector<telegram_api::object_ptr<telegram_api::premiumSubscriptionOption>> &&options) {
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auto premium_gift_options = transform(
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std::move(options), [](auto &&premium_gift_option) { return PremiumGiftOption(std::move(premium_gift_option)); });
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td::remove_if(premium_gift_options, [](const auto &premium_gift_option) { return !premium_gift_option.is_valid(); });
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return premium_gift_options;
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}
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vector<td_api::object_ptr<td_api::premiumPaymentOption>> get_premium_payment_options_object(
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const vector<PremiumGiftOption> &options) {
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if (options.empty()) {
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return {};
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}
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auto base_premium_option_it = std::min_element(options.begin(), options.end());
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return transform(options, [&base_premium_option_it](const auto &option) {
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return option.get_premium_payment_option_object(*base_premium_option_it);
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});
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}
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} // namespace td
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