tdlight/td/telegram/PremiumGiftOption.cpp

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//
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// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2023
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//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#include "td/telegram/PremiumGiftOption.h"
#include "td/telegram/LinkManager.h"
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#include "td/telegram/misc.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 {
PremiumGiftOption::PremiumGiftOption(telegram_api::object_ptr<telegram_api::premiumGiftOption> &&option)
: months_(option->months_)
, currency_(std::move(option->currency_))
, amount_(option->amount_)
, bot_url_(std::move(option->bot_url_))
, store_product_(std::move(option->store_product_)) {
}
PremiumGiftOption::PremiumGiftOption(telegram_api::object_ptr<telegram_api::premiumSubscriptionOption> &&option)
: months_(option->months_)
, currency_(std::move(option->currency_))
, amount_(option->amount_)
, bot_url_(std::move(option->bot_url_))
, store_product_(std::move(option->store_product_)) {
}
bool PremiumGiftOption::is_valid() const {
if (amount_ <= 0 || !check_currency_amount(amount_)) {
LOG(ERROR) << "Receive invalid premium payment option amount " << amount_;
return false;
}
if (currency_.size() != 3) {
LOG(ERROR) << "Receive invalid premium payment option currency " << currency_;
return false;
}
return true;
}
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double PremiumGiftOption::get_monthly_price() const {
return static_cast<double>(amount_) / static_cast<double>(months_);
}
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;
if (base_option.months_ > 0 && months_ > 0 && base_option.amount_ > 0 && amount_ > 0) {
double relative_price = get_monthly_price() / base_option.get_monthly_price();
if (relative_price < 1.0) {
discount_percentage = static_cast<int32>(100 * (1.0 - relative_price));
}
}
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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bool operator<(const PremiumGiftOption &lhs, const PremiumGiftOption &rhs) {
return std::tie(lhs.months_, lhs.amount_, lhs.currency_, lhs.store_product_, lhs.bot_url_) <
std::tie(rhs.months_, rhs.amount_, rhs.currency_, rhs.store_product_, rhs.bot_url_);
}
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bool operator==(const PremiumGiftOption &lhs, const PremiumGiftOption &rhs) {
return lhs.months_ == rhs.months_ && lhs.currency_ == rhs.currency_ && lhs.amount_ == rhs.amount_ &&
lhs.bot_url_ == rhs.bot_url_ && lhs.store_product_ == rhs.store_product_;
}
bool operator!=(const PremiumGiftOption &lhs, const PremiumGiftOption &rhs) {
return !(lhs == rhs);
}
vector<PremiumGiftOption> get_premium_gift_options(
vector<telegram_api::object_ptr<telegram_api::premiumGiftOption>> &&options) {
auto premium_gift_options = transform(
std::move(options), [](auto &&premium_gift_option) { return PremiumGiftOption(std::move(premium_gift_option)); });
td::remove_if(premium_gift_options, [](const auto &premium_gift_option) { return !premium_gift_option.is_valid(); });
return premium_gift_options;
}
vector<PremiumGiftOption> get_premium_gift_options(
vector<telegram_api::object_ptr<telegram_api::premiumSubscriptionOption>> &&options) {
auto premium_gift_options = transform(
std::move(options), [](auto &&premium_gift_option) { return PremiumGiftOption(std::move(premium_gift_option)); });
td::remove_if(premium_gift_options, [](const auto &premium_gift_option) { return !premium_gift_option.is_valid(); });
return premium_gift_options;
}
vector<td_api::object_ptr<td_api::premiumPaymentOption>> get_premium_payment_options_object(
const vector<PremiumGiftOption> &options) {
if (options.empty()) {
return {};
}
auto base_premium_option_it = std::min_element(options.begin(), options.end());
return transform(options, [&base_premium_option_it](const auto &option) {
return option.get_premium_payment_option_object(*base_premium_option_it);
});
}
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} // namespace td