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room.hpp
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room.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 <lager/debug/cereal/struct.hpp>
#include <lager/debug/cereal/immer_flex_vector.hpp>
#include "client/data/cereal_map.hpp"
#include <string>
#include <variant>
#include <immer/flex_vector.hpp>
#include <immer/map.hpp>
#include "csapi/sync.hpp"
#include "event.hpp"
#include "client/util.hpp"
namespace Kazv
{
struct Room
{
enum Membership
{
Invite, Join, Leave
};
std::string roomId;
immer::map<KeyOfState, Event> stateEvents;
immer::flex_vector<std::string> timeline;
immer::map<std::string, Event> messages;
immer::map<std::string, Event> accountData;
Membership membership;
std::string paginateBackToken;
/// whether this room has earlier events to be fetched
bool canPaginateBack{true};
struct AddStateEventsAction
{
immer::flex_vector<Event> stateEvents;
};
struct AppendTimelineAction
{
immer::flex_vector<Event> events;
};
struct PrependTimelineAction
{
immer::flex_vector<Event> events;
std::string paginateBackToken;
};
struct AddAccountDataAction
{
immer::flex_vector<Event> events;
};
struct ChangeMembershipAction
{
Membership membership;
};
using Action = std::variant<
AddStateEventsAction,
AppendTimelineAction,
PrependTimelineAction,
AddAccountDataAction,
ChangeMembershipAction
>;
static Room update(Room r, Action a);
};
inline bool operator==(Room a, Room b)
{
return a.roomId == b.roomId
&& a.stateEvents == b.stateEvents
&& a.timeline == b.timeline
&& a.messages == b.messages
&& a.accountData == b.accountData
&& a.membership == b.membership
&& a.paginateBackToken == b.paginateBackToken
&& a.canPaginateBack == b.canPaginateBack;
}
struct RoomList
{
immer::map<std::string, Room> rooms;
inline auto at(std::string id) const { return rooms.at(id); }
struct UpdateRoomAction
{
std::string roomId;
Room::Action roomAction;
};
using Action = std::variant<
UpdateRoomAction
>;
static RoomList update(RoomList l, Action a);
};
inline bool operator==(RoomList a, RoomList b)
{
return a.rooms == b.rooms;
}
#ifndef NDEBUG
LAGER_CEREAL_STRUCT(Room::AddStateEventsAction);
LAGER_CEREAL_STRUCT(Room::AppendTimelineAction);
LAGER_CEREAL_STRUCT(Room::PrependTimelineAction);
LAGER_CEREAL_STRUCT(Room::AddAccountDataAction);
LAGER_CEREAL_STRUCT(Room::ChangeMembershipAction);
LAGER_CEREAL_STRUCT(RoomList::UpdateRoomAction);
#endif
template<class Archive>
void serialize(Archive &ar, Room &r, std::uint32_t const /*version*/)
{
ar(r.roomId,
r.stateEvents,
r.timeline,
r.messages,
r.accountData,
r.membership,
r.paginateBackToken,
r.canPaginateBack);
}
template<class Archive>
void serialize(Archive &ar, RoomList &l, std::uint32_t const /*version*/)
{
ar(l.rooms);
}
}
CEREAL_CLASS_VERSION(Kazv::Room, 0);
CEREAL_CLASS_VERSION(Kazv::RoomList, 0);

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