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event.hpp
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event.hpp
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/*
* Copyright (C) 2020 Tusooa Zhu
*
* This file is part of libkazv.
*
* libkazv is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* libkazv is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with libkazv. If not, see <https://www.gnu.org/licenses/>.
*/
#pragma once
#include <string>
#include <cstdint>
#include "jsonwrap.hpp"
namespace Kazv
{
using Timestamp = std::int_fast64_t;
class Event
{
public:
static const JsonWrap notYetDecryptedEvent;
enum DecryptionStatus {
NotDecrypted,
Decrypted
};
Event();
Event(JsonWrap j);
static Event fromSync(Event e, std::string roomId);
/// returns the id of this event
std::string id() const;
std::string sender() const;
Timestamp originServerTs() const;
std::string type() const;
std::string stateKey() const;
JsonWrap content() const;
/// returns the decrypted json
JsonWrap raw() const;
/// returns the original json we fetched, probably encrypted.
JsonWrap originalJson() const;
JsonWrap decryptedJson() const;
bool encrypted() const;
bool decrypted() const;
/// internal. only to be called from inside the client.
Event setDecryptedJson(JsonWrap decryptedJson, DecryptionStatus decrypted) const;
template <class Archive>
void save(Archive & ar, std::uint32_t const /*version*/ ) const {
ar( m_json, m_decryptedJson, m_decrypted, m_encrypted );
}
template <class Archive>
void load( Archive & ar, std::uint32_t const /*version*/ ) {
ar( m_json, m_decryptedJson, m_decrypted, m_encrypted );
}
private:
JsonWrap m_json;
JsonWrap m_decryptedJson;
DecryptionStatus m_decrypted{NotDecrypted};
bool m_encrypted{false};
};
bool operator==(Event a, Event b);
inline bool operator!=(Event a, Event b) { return !(a == b); };
}
CEREAL_CLASS_VERSION(Kazv::Event, 0);
namespace nlohmann
{
template <>
struct adl_serializer<Kazv::Event> {
static void to_json(json& j, Kazv::Event w) {
j = w.originalJson();
}
static void from_json(const json& j, Kazv::Event &w) {
w = Kazv::Event(Kazv::JsonWrap(j));
}
};
}

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