55 lines
1.6 KiB
C++
55 lines
1.6 KiB
C++
//
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// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2020
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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/CountryInfoManager.h"
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#include "td/telegram/Global.h"
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#include "td/telegram/Td.h"
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#include "td/telegram/telegram_api.h"
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#include "td/utils/buffer.h"
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#include "td/utils/Status.h"
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namespace td {
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class GetNearestDcQuery : public Td::ResultHandler {
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Promise<string> promise_;
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public:
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explicit GetNearestDcQuery(Promise<string> &&promise) : promise_(std::move(promise)) {
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}
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void send() {
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send_query(G()->net_query_creator().create_unauth(telegram_api::help_getNearestDc()));
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}
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void on_result(uint64 id, BufferSlice packet) override {
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auto result_ptr = fetch_result<telegram_api::help_getNearestDc>(packet);
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if (result_ptr.is_error()) {
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return on_error(id, result_ptr.move_as_error());
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}
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auto result = result_ptr.move_as_ok();
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promise_.set_value(std::move(result->country_));
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}
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void on_error(uint64 id, Status status) override {
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if (!G()->is_expected_error(status) && status.message() != "BOT_METHOD_INVALID") {
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LOG(ERROR) << "GetNearestDc returned " << status;
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}
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promise_.set_error(std::move(status));
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}
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};
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CountryInfoManager::CountryInfoManager(Td *td) : td_(td) {
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}
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void CountryInfoManager::get_current_country_code(Promise<string> &&promise) {
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td_->create_handler<GetNearestDcQuery>(std::move(promise))->send();
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}
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} // namespace td
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