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/*
* nheko Copyright (C) 2017 Konstantinos Sideris <siderisk@auth.gr>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include <QJsonDocument>
#include <QPixmap>
#include <QUrl>
#include <mtx.hpp>
class RoomState
{
public:
RoomState();
RoomState(const mtx::responses::Timeline &timeline);
RoomState(const mtx::responses::State &state);
// Calculate room data that are not immediatly accessible. Like room name and
// avatar.
//
// e.g If the room is 1-on-1 name and avatar should be extracted from a user.
void resolveName();
void resolveAvatar();
void parse(const nlohmann::json &object);
QUrl getAvatar() const { return avatar_; };
QString getName() const { return name_; };
QString getTopic() const
{
return QString::fromStdString(topic.content.topic).simplified();
};
void removeLeaveMemberships();
void update(const RoomState &state);
template<class Collection>
void updateFromEvents(const std::vector<Collection> &collection);
std::string serialize() const;
// The latest state events.
mtx::events::StateEvent<mtx::events::state::Aliases> aliases;
mtx::events::StateEvent<mtx::events::state::Avatar> avatar;
mtx::events::StateEvent<mtx::events::state::CanonicalAlias> canonical_alias;
mtx::events::StateEvent<mtx::events::state::Create> create;
mtx::events::StateEvent<mtx::events::state::HistoryVisibility> history_visibility;
mtx::events::StateEvent<mtx::events::state::JoinRules> join_rules;
mtx::events::StateEvent<mtx::events::state::Name> name;
mtx::events::StateEvent<mtx::events::state::PowerLevels> power_levels;
mtx::events::StateEvent<mtx::events::state::Topic> topic;
// Contains the m.room.member events for all the joined users.
using UserID = std::string;
std::map<UserID, mtx::events::StateEvent<mtx::events::state::Member>> memberships;
private:
QUrl avatar_;
QString name_;
// It defines the user whose avatar is used for the room. If the room has an
// avatar event this should be empty.
QString userAvatar_;
};
template<class Collection>
void
RoomState::updateFromEvents(const std::vector<Collection> &collection)
{
using Aliases = mtx::events::StateEvent<mtx::events::state::Aliases>;
using Avatar = mtx::events::StateEvent<mtx::events::state::Avatar>;
using CanonicalAlias = mtx::events::StateEvent<mtx::events::state::CanonicalAlias>;
using Create = mtx::events::StateEvent<mtx::events::state::Create>;
using HistoryVisibility = mtx::events::StateEvent<mtx::events::state::HistoryVisibility>;
using JoinRules = mtx::events::StateEvent<mtx::events::state::JoinRules>;
using Member = mtx::events::StateEvent<mtx::events::state::Member>;
using Name = mtx::events::StateEvent<mtx::events::state::Name>;
using PowerLevels = mtx::events::StateEvent<mtx::events::state::PowerLevels>;
using Topic = mtx::events::StateEvent<mtx::events::state::Topic>;
for (const auto &event : collection) {
if (mpark::holds_alternative<Aliases>(event)) {
this->aliases = mpark::get<Aliases>(event);
} else if (mpark::holds_alternative<Avatar>(event)) {
this->avatar = mpark::get<Avatar>(event);
} else if (mpark::holds_alternative<CanonicalAlias>(event)) {
this->canonical_alias = mpark::get<CanonicalAlias>(event);
} else if (mpark::holds_alternative<Create>(event)) {
this->create = mpark::get<Create>(event);
} else if (mpark::holds_alternative<HistoryVisibility>(event)) {
this->history_visibility = mpark::get<HistoryVisibility>(event);
} else if (mpark::holds_alternative<JoinRules>(event)) {
this->join_rules = mpark::get<JoinRules>(event);
} else if (mpark::holds_alternative<Name>(event)) {
this->name = mpark::get<Name>(event);
} else if (mpark::holds_alternative<Member>(event)) {
auto membership = mpark::get<Member>(event);
this->memberships.emplace(membership.state_key, membership);
} else if (mpark::holds_alternative<PowerLevels>(event)) {
this->power_levels = mpark::get<PowerLevels>(event);
} else if (mpark::holds_alternative<Topic>(event)) {
this->topic = mpark::get<Topic>(event);
}
}
}
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