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/******************************************************************************
* Copyright (C) 2018 Kitsune Ral <kitsune-ral@users.sf.net>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "syncdata.h"
#include "events/eventloader.h"
#include <QtCore/QFile>
#include <QtCore/QFileInfo>
using namespace Quotient;
const QString SyncRoomData::UnreadCountKey =
QStringLiteral("x-quotient.unread_count");
bool RoomSummary::isEmpty() const
{
return joinedMemberCount.omitted() && invitedMemberCount.omitted()
&& heroes.omitted();
}
bool RoomSummary::merge(const RoomSummary& other)
{
// Using bitwise OR to prevent computation shortcut.
return joinedMemberCount.merge(other.joinedMemberCount)
| invitedMemberCount.merge(other.invitedMemberCount)
| heroes.merge(other.heroes);
}
QDebug Quotient::operator<<(QDebug dbg, const RoomSummary& rs)
{
QDebugStateSaver _(dbg);
QStringList sl;
if (!rs.joinedMemberCount.omitted())
sl << QStringLiteral("joined: %1").arg(rs.joinedMemberCount.value());
if (!rs.invitedMemberCount.omitted())
sl << QStringLiteral("invited: %1").arg(rs.invitedMemberCount.value());
if (!rs.heroes.omitted())
sl << QStringLiteral("heroes: [%1]").arg(rs.heroes.value().join(','));
dbg.nospace().noquote() << sl.join(QStringLiteral("; "));
return dbg;
}
void JsonObjectConverter<RoomSummary>::dumpTo(QJsonObject& jo,
const RoomSummary& rs)
{
addParam<IfNotEmpty>(jo, QStringLiteral("m.joined_member_count"),
rs.joinedMemberCount);
addParam<IfNotEmpty>(jo, QStringLiteral("m.invited_member_count"),
rs.invitedMemberCount);
addParam<IfNotEmpty>(jo, QStringLiteral("m.heroes"), rs.heroes);
}
void JsonObjectConverter<RoomSummary>::fillFrom(const QJsonObject& jo,
RoomSummary& rs)
{
fromJson(jo["m.joined_member_count"_ls], rs.joinedMemberCount);
fromJson(jo["m.invited_member_count"_ls], rs.invitedMemberCount);
fromJson(jo["m.heroes"_ls], rs.heroes);
}
template <typename EventsArrayT, typename StrT>
inline EventsArrayT load(const QJsonObject& batches, StrT keyName)
{
return fromJson<EventsArrayT>(batches[keyName].toObject().value("events"_ls));
}
SyncRoomData::SyncRoomData(const QString& roomId_, JoinState joinState_,
const QJsonObject& room_)
: roomId(roomId_)
, joinState(joinState_)
, summary(fromJson<RoomSummary>(room_["summary"_ls]))
, state(load<StateEvents>(room_, joinState == JoinState::Invite
? "invite_state"_ls
: "state"_ls))
{
switch (joinState) {
case JoinState::Join:
ephemeral = load<Events>(room_, "ephemeral"_ls);
[[fallthrough]];
case JoinState::Leave: {
accountData = load<Events>(room_, "account_data"_ls);
timeline = load<RoomEvents>(room_, "timeline"_ls);
const auto timelineJson = room_.value("timeline"_ls).toObject();
timelineLimited = timelineJson.value("limited"_ls).toBool();
timelinePrevBatch = timelineJson.value("prev_batch"_ls).toString();
break;
}
default: /* nothing on top of state */;
}
const auto unreadJson = room_.value("unread_notifications"_ls).toObject();
unreadCount = unreadJson.value(UnreadCountKey).toInt(-2);
highlightCount = unreadJson.value("highlight_count"_ls).toInt();
notificationCount = unreadJson.value("notification_count"_ls).toInt();
if (highlightCount > 0 || notificationCount > 0)
qCDebug(SYNCJOB) << "Room" << roomId_
<< "has highlights:" << highlightCount
<< "and notifications:" << notificationCount;
}
SyncData::SyncData(const QString& cacheFileName)
{
QFileInfo cacheFileInfo { cacheFileName };
auto json = loadJson(cacheFileName);
auto requiredVersion = std::get<0>(cacheVersion());
auto actualVersion =
json.value("cache_version"_ls).toObject().value("major"_ls).toInt();
if (actualVersion == requiredVersion)
parseJson(json, cacheFileInfo.absolutePath() + '/');
else
qCWarning(MAIN) << "Major version of the cache file is" << actualVersion
<< "but" << requiredVersion
<< "is required; discarding the cache";
}
SyncDataList&& SyncData::takeRoomData() { return move(roomData); }
QString SyncData::fileNameForRoom(QString roomId)
{
roomId.replace(':', '_');
return roomId + ".json";
}
Events&& SyncData::takePresenceData() { return std::move(presenceData); }
Events&& SyncData::takeAccountData() { return std::move(accountData); }
Events&& SyncData::takeToDeviceEvents() { return std::move(toDeviceEvents); }
QJsonObject SyncData::loadJson(const QString& fileName)
{
QFile roomFile { fileName };
if (!roomFile.exists()) {
qCWarning(MAIN) << "No state cache file" << fileName;
return {};
}
if (!roomFile.open(QIODevice::ReadOnly)) {
qCWarning(MAIN) << "Failed to open state cache file"
<< roomFile.fileName();
return {};
}
auto data = roomFile.readAll();
const auto json = (data.startsWith('{')
? QJsonDocument::fromJson(data)
: QJsonDocument::fromBinaryData(data))
.object();
if (json.isEmpty()) {
qCWarning(MAIN) << "State cache in" << fileName
<< "is broken or empty, discarding";
}
return json;
}
void SyncData::parseJson(const QJsonObject& json, const QString& baseDir)
{
QElapsedTimer et;
et.start();
nextBatch_ = json.value("next_batch"_ls).toString();
presenceData = load<Events>(json, "presence"_ls);
accountData = load<Events>(json, "account_data"_ls);
toDeviceEvents = load<Events>(json, "to_device"_ls);
auto rooms = json.value("rooms"_ls).toObject();
JoinStates::Int ii = 1; // ii is used to make a JoinState value
auto totalRooms = 0;
auto totalEvents = 0;
for (size_t i = 0; i < JoinStateStrings.size(); ++i, ii <<= 1) {
const auto rs = rooms.value(JoinStateStrings[i]).toObject();
// We have a Qt container on the right and an STL one on the left
roomData.reserve(static_cast<size_t>(rs.size()));
for (auto roomIt = rs.begin(); roomIt != rs.end(); ++roomIt) {
auto roomJson =
roomIt->isObject()
? roomIt->toObject()
: loadJson(baseDir + fileNameForRoom(roomIt.key()));
if (roomJson.isEmpty()) {
unresolvedRoomIds.push_back(roomIt.key());
continue;
}
roomData.emplace_back(roomIt.key(), JoinState(ii), roomJson);
const auto& r = roomData.back();
totalEvents += r.state.size() + r.ephemeral.size()
+ r.accountData.size() + r.timeline.size();
}
totalRooms += rs.size();
}
if (!unresolvedRoomIds.empty())
qCWarning(MAIN) << "Unresolved rooms:" << unresolvedRoomIds.join(',');
if (totalRooms > 9 || et.nsecsElapsed() >= profilerMinNsecs())
qCDebug(PROFILER) << "*** SyncData::parseJson(): batch with"
<< totalRooms << "room(s)," << totalEvents
<< "event(s) in" << et;
}
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