295 lines
9.9 KiB
C++
295 lines
9.9 KiB
C++
/*
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* nheko Copyright (C) 2017 Konstantinos Sideris <siderisk@auth.gr>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <QDebug>
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#include <QJsonArray>
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#include <QJsonObject>
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#include <QSettings>
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#include "RoomState.h"
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RoomState::RoomState() {}
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RoomState::RoomState(const mtx::responses::Timeline &timeline)
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{
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updateFromEvents(timeline.events);
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}
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RoomState::RoomState(const mtx::responses::State &state) { updateFromEvents(state.events); }
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void
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RoomState::resolveName()
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{
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name_ = "Empty Room";
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userAvatar_.clear();
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if (!name.content.name.empty()) {
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name_ = QString::fromStdString(name.content.name).simplified();
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return;
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}
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if (!canonical_alias.content.alias.empty()) {
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name_ = QString::fromStdString(canonical_alias.content.alias).simplified();
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return;
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}
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// FIXME: Doesn't follow the spec guidelines.
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if (aliases.content.aliases.size() != 0) {
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name_ = QString::fromStdString(aliases.content.aliases[0]).simplified();
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return;
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}
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QSettings settings;
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auto user_id = settings.value("auth/user_id");
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// TODO: Display names should be sorted alphabetically.
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for (const auto membership : memberships) {
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const auto stateKey = QString::fromStdString(membership.second.state_key);
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if (stateKey == user_id)
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continue;
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if (membership.second.content.membership == mtx::events::state::Membership::Join) {
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userAvatar_ = stateKey;
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auto displayName =
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QString::fromStdString(membership.second.content.display_name);
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if (displayName.isEmpty())
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name_ = stateKey;
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else
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name_ = displayName;
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break;
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}
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}
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// TODO: pluralization
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if (memberships.size() > 2)
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name_ = QString("%1 and %2 others").arg(name_).arg(memberships.size());
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}
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void
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RoomState::resolveAvatar()
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{
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if (userAvatar_.isEmpty()) {
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avatar_ = QString::fromStdString(avatar.content.url);
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return;
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}
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if (memberships.count(userAvatar_.toStdString()) != 0) {
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avatar_ =
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QString::fromStdString(memberships[userAvatar_.toStdString()].content.avatar_url);
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} else {
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qWarning() << "Setting room avatar from unknown user id" << userAvatar_;
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}
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}
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// Should be used only after initial sync.
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void
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RoomState::removeLeaveMemberships()
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{
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for (auto it = memberships.cbegin(); it != memberships.cend();) {
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if (it->second.content.membership == mtx::events::state::Membership::Leave) {
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it = memberships.erase(it);
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} else {
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++it;
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}
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}
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}
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void
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RoomState::update(const RoomState &state)
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{
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bool needsNameCalculation = false;
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bool needsAvatarCalculation = false;
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if (aliases.event_id != state.aliases.event_id)
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aliases = state.aliases;
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if (avatar.event_id != state.avatar.event_id) {
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avatar = state.avatar;
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needsAvatarCalculation = true;
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}
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if (canonical_alias.event_id != state.canonical_alias.event_id) {
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canonical_alias = state.canonical_alias;
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needsNameCalculation = true;
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}
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if (create.event_id != state.create.event_id)
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create = state.create;
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if (history_visibility.event_id != state.history_visibility.event_id)
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history_visibility = state.history_visibility;
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if (join_rules.event_id != state.join_rules.event_id)
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join_rules = state.join_rules;
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if (name.event_id != state.name.event_id) {
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name = state.name;
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needsNameCalculation = true;
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}
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if (power_levels.event_id != state.power_levels.event_id)
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power_levels = state.power_levels;
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if (topic.event_id != state.topic.event_id)
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topic = state.topic;
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for (auto it = state.memberships.cbegin(); it != state.memberships.cend(); ++it) {
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auto membershipState = it->second.content.membership;
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if (it->first == userAvatar_.toStdString()) {
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needsNameCalculation = true;
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needsAvatarCalculation = true;
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}
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if (membershipState == mtx::events::state::Membership::Leave)
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this->memberships.erase(it->first);
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else
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this->memberships.emplace(it->first, it->second);
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}
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if (needsNameCalculation)
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resolveName();
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if (needsAvatarCalculation)
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resolveAvatar();
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}
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std::string
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RoomState::serialize() const
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{
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nlohmann::json obj;
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if (!aliases.event_id.empty())
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obj["aliases"] = aliases;
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if (!avatar.event_id.empty())
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obj["avatar"] = avatar;
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if (!canonical_alias.event_id.empty())
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obj["canonical_alias"] = canonical_alias;
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if (!create.event_id.empty())
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obj["create"] = create;
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if (!history_visibility.event_id.empty())
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obj["history_visibility"] = history_visibility;
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if (!join_rules.event_id.empty())
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obj["join_rules"] = join_rules;
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if (!name.event_id.empty())
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obj["name"] = name;
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if (!power_levels.event_id.empty())
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obj["power_levels"] = power_levels;
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if (!topic.event_id.empty())
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obj["topic"] = topic;
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return obj.dump();
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}
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void
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RoomState::parse(const nlohmann::json &object)
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{
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if (object.count("aliases") != 0) {
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try {
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aliases = object.at("aliases")
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.get<mtx::events::StateEvent<mtx::events::state::Aliases>>();
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} catch (std::exception &e) {
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qWarning() << "RoomState::parse - aliases" << e.what();
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}
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}
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if (object.count("avatar") != 0) {
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try {
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avatar = object.at("avatar")
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.get<mtx::events::StateEvent<mtx::events::state::Avatar>>();
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} catch (std::exception &e) {
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qWarning() << "RoomState::parse - avatar" << e.what();
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}
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}
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if (object.count("canonical_alias") != 0) {
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try {
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canonical_alias =
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object.at("canonical_alias")
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.get<mtx::events::StateEvent<mtx::events::state::CanonicalAlias>>();
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} catch (std::exception &e) {
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qWarning() << "RoomState::parse - canonical_alias" << e.what();
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}
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}
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if (object.count("create") != 0) {
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try {
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create = object.at("create")
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.get<mtx::events::StateEvent<mtx::events::state::Create>>();
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} catch (std::exception &e) {
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qWarning() << "RoomState::parse - create" << e.what();
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}
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}
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if (object.count("history_visibility") != 0) {
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try {
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history_visibility =
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object.at("history_visibility")
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.get<mtx::events::StateEvent<mtx::events::state::HistoryVisibility>>();
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} catch (std::exception &e) {
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qWarning() << "RoomState::parse - history_visibility" << e.what();
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}
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}
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if (object.count("join_rules") != 0) {
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try {
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join_rules =
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object.at("join_rules")
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.get<mtx::events::StateEvent<mtx::events::state::JoinRules>>();
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} catch (std::exception &e) {
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qWarning() << "RoomState::parse - join_rules" << e.what();
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}
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}
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if (object.count("name") != 0) {
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try {
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name = object.at("name")
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.get<mtx::events::StateEvent<mtx::events::state::Name>>();
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} catch (std::exception &e) {
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qWarning() << "RoomState::parse - name" << e.what();
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}
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}
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if (object.count("power_levels") != 0) {
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try {
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power_levels =
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object.at("power_levels")
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.get<mtx::events::StateEvent<mtx::events::state::PowerLevels>>();
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} catch (std::exception &e) {
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qWarning() << "RoomState::parse - power_levels" << e.what();
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}
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}
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if (object.count("topic") != 0) {
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try {
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topic = object.at("topic")
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.get<mtx::events::StateEvent<mtx::events::state::Topic>>();
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} catch (std::exception &e) {
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qWarning() << "RoomState::parse - topic" << e.what();
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}
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}
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}
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