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event.hpp
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event.hpp
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/*
* This file is part of libkazv.
* SPDX-FileCopyrightText: 2020-2023 tusooa <tusooa@kazv.moe>
* SPDX-License-Identifier: AGPL-3.0-or-later
*/
#pragma once
#include "libkazv-config.hpp"
#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;
/**
* @return whether this event is a state event.
* An event is considered a state event if and only if
* it has a maybe empty stateKey.
*/
bool isState() 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;
/// returns whether this event has been redacted.
bool redacted() const;
/**
* Get the event id this event is replying to.
*
* @return The event id this event is replying to, or empty string if this
* event is not a reply.
*/
std::string replyingTo() const;
/**
* Get the relationship that this event contains.
*
* @return A Pair containing the rel_type and event_id in the m.relates_to section
* of this event, or a Pair of empty strings if there are not any.
*/
std::pair<std::string/* relType */, std::string/* eventId */> relationship() const;
/**
* Get the m.relates_to object in the event.
*
* @return The m.relates_to object of this event.
*/
JsonWrap mRelatesTo() const;
template<class Archive>
void serialize(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==(const Event &a, const Event &b);
inline bool operator!=(const Event &a, const Event &b) { return !(a == b); };
}
BOOST_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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