tdlight/td/telegram/SecretChatDb.h

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//
2022-12-31 22:28:08 +01:00
// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2023
//
// 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)
//
#pragma once
#include "td/db/KeyValueSyncInterface.h"
#include "td/utils/SliceBuilder.h"
#include "td/utils/Status.h"
#include "td/utils/tl_helpers.h"
#include <memory>
namespace td {
class SecretChatDb {
public:
SecretChatDb(std::shared_ptr<KeyValueSyncInterface> pmc, int32 chat_id);
// TODO: some other interface for PFS
// two keys should be supported
template <class ValueT>
void set_value(const ValueT &data) {
auto key = PSTRING() << "secret" << chat_id_ << ValueT::key();
pmc_->set(std::move(key), serialize(data));
}
template <class ValueT>
void erase_value(const ValueT &data) {
auto key = PSTRING() << "secret" << chat_id_ << ValueT::key();
pmc_->erase(std::move(key));
}
template <class ValueT>
Result<ValueT> get_value() {
ValueT value;
auto key = PSTRING() << "secret" << chat_id_ << ValueT::key();
auto value_str = pmc_->get(std::move(key));
TRY_STATUS(unserialize(value, value_str));
return std::move(value);
}
private:
std::shared_ptr<KeyValueSyncInterface> pmc_;
int32 chat_id_;
};
} // namespace td