tdlight/td/telegram/MessageSearchOffset.cpp
2024-05-10 16:24:32 +03:00

67 lines
2.3 KiB
C++

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