70 lines
2.4 KiB
C++
70 lines
2.4 KiB
C++
//
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// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2024
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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/MessageSearchOffset.h"
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#include "td/telegram/DialogManager.h"
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#include "td/telegram/MessagesManager.h"
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#include "td/telegram/ServerMessageId.h"
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#include "td/utils/misc.h"
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#include "td/utils/SliceBuilder.h"
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#include "td/utils/StringBuilder.h"
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#include <limits>
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namespace td {
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void MessageSearchOffset::update_from_message(const telegram_api::object_ptr<telegram_api::Message> &message) {
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auto message_date = MessagesManager::get_message_date(message);
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auto message_id = MessageId::get_message_id(message, false);
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auto dialog_id = DialogId::get_message_dialog_id(message);
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if (message_date > 0 && message_id.is_valid() && dialog_id.is_valid()) {
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date_ = message_date;
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message_id_ = message_id;
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dialog_id_ = dialog_id;
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}
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}
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string MessageSearchOffset::to_string() const {
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return PSTRING() << date_ << ',' << dialog_id_.get() << ',' << message_id_.get_server_message_id().get();
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}
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Result<MessageSearchOffset> MessageSearchOffset::from_string(const string &offset) {
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MessageSearchOffset result;
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result.date_ = std::numeric_limits<int32>::max();
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bool is_offset_valid = [&] {
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if (offset.empty()) {
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return true;
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}
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auto parts = full_split(offset, ',');
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if (parts.size() != 3) {
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return false;
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}
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auto r_offset_date = to_integer_safe<int32>(parts[0]);
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auto r_offset_dialog_id = to_integer_safe<int64>(parts[1]);
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auto r_offset_message_id = to_integer_safe<int32>(parts[2]);
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if (r_offset_date.is_error() || r_offset_message_id.is_error() || r_offset_dialog_id.is_error()) {
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return false;
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}
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result.date_ = r_offset_date.ok();
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result.message_id_ = MessageId(ServerMessageId(r_offset_message_id.ok()));
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result.dialog_id_ = DialogId(r_offset_dialog_id.ok());
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if (result.date_ <= 0 || !result.message_id_.is_valid() || !result.dialog_id_.is_valid() ||
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DialogManager::get_input_peer_force(result.dialog_id_)->get_id() == telegram_api::inputPeerEmpty::ID) {
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return false;
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}
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return true;
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}();
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if (!is_offset_valid) {
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return Status::Error(400, "Invalid offset specified");
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}
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return std::move(result);
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}
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} // namespace td
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