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/******************************************************************************
* Copyright (C) 2015 Felix Rohrbach <kde@fxrh.de>
*
* 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 "event.h"
#include "roommessageevent.h"
#include "simplestateevents.h"
#include "roommemberevent.h"
#include "roomavatarevent.h"
#include "typingevent.h"
#include "receiptevent.h"
#include "accountdataevents.h"
#include "directchatevent.h"
#include "redactionevent.h"
#include "logging.h"
#include <QtCore/QJsonDocument>
using namespace QMatrixClient;
Event::Event(Type type, const QJsonObject& rep)
: _type(type), _originalJson(rep)
{
if (!rep.contains("content") &&
!rep.value("unsigned").toObject().contains("redacted_because"))
{
qCWarning(EVENTS) << "Event without 'content' node";
qCWarning(EVENTS) << formatJson << rep;
}
}
Event::~Event() = default;
QString Event::jsonType() const
{
return originalJsonObject().value("type").toString();
}
QByteArray Event::originalJson() const
{
return QJsonDocument(_originalJson).toJson();
}
QJsonObject Event::originalJsonObject() const
{
return _originalJson;
}
const QJsonObject Event::contentJson() const
{
return _originalJson["content"].toObject();
}
template <typename BaseEventT>
inline event_ptr_tt<BaseEventT> makeIfMatches(const QJsonObject&, const QString&)
{
return nullptr;
}
template <typename BaseEventT, typename EventT, typename... EventTs>
inline event_ptr_tt<BaseEventT> makeIfMatches(const QJsonObject& o,
const QString& selector)
{
if (selector == EventT::TypeId)
return _impl::create<EventT>(o);
return makeIfMatches<BaseEventT, EventTs...>(o, selector);
}
template <>
EventPtr _impl::doMakeEvent<Event>(const QJsonObject& obj)
{
// Check more specific event types first
if (auto e = doMakeEvent<RoomEvent>(obj))
return e;
return makeIfMatches<Event,
TypingEvent, ReceiptEvent, TagEvent, ReadMarkerEvent, DirectChatEvent>(
obj, obj["type"].toString());
}
RoomEvent::RoomEvent(Event::Type type) : Event(type) { }
RoomEvent::RoomEvent(Type type, const QJsonObject& rep)
: Event(type, rep)
, _id(rep["event_id"].toString())
{
// if (_id.isEmpty())
// {
// qCWarning(EVENTS) << "Can't find event_id in a room event";
// qCWarning(EVENTS) << formatJson << rep;
// }
// if (!rep.contains("origin_server_ts"))
// {
// qCWarning(EVENTS) << "Can't find server timestamp in a room event";
// qCWarning(EVENTS) << formatJson << rep;
// }
// if (_senderId.isEmpty())
// {
// qCWarning(EVENTS) << "Can't find sender in a room event";
// qCWarning(EVENTS) << formatJson << rep;
// }
auto unsignedData = rep["unsigned"].toObject();
auto redaction = unsignedData.value("redacted_because");
if (redaction.isObject())
{
_redactedBecause = _impl::create<RedactionEvent>(redaction.toObject());
return;
}
_txnId = unsignedData.value("transactionId").toString();
if (!_txnId.isEmpty())
qCDebug(EVENTS) << "Event transactionId:" << _txnId;
}
RoomEvent::~RoomEvent() = default; // Let the smart pointer do its job
QDateTime RoomEvent::timestamp() const
{
return QMatrixClient::fromJson<QDateTime>(
originalJsonObject().value("origin_server_ts"));
}
QString RoomEvent::roomId() const
{
return originalJsonObject().value("room_id").toString();
}
QString RoomEvent::senderId() const
{
return originalJsonObject().value("sender").toString();
}
QString RoomEvent::redactionReason() const
{
return isRedacted() ? _redactedBecause->reason() : QString{};
}
void RoomEvent::addId(const QString& id)
{
Q_ASSERT(_id.isEmpty()); Q_ASSERT(!id.isEmpty());
_id = id;
}
template <>
RoomEventPtr _impl::doMakeEvent(const QJsonObject& obj)
{
// Check more specific event types first
if (auto e = doMakeEvent<StateEventBase>(obj))
return e;
return makeIfMatches<RoomEvent,
RoomMessageEvent, RedactionEvent>(obj, obj["type"].toString());
}
bool StateEventBase::repeatsState() const
{
auto contentJson = originalJsonObject().value("content");
auto prevContentJson = originalJsonObject().value("unsigned")
.toObject().value("prev_content");
return contentJson == prevContentJson;
}
template<>
StateEventPtr _impl::doMakeEvent<StateEventBase>(const QJsonObject& obj)
{
return makeIfMatches<StateEventBase,
RoomNameEvent, RoomAliasesEvent,
RoomCanonicalAliasEvent, RoomMemberEvent, RoomTopicEvent,
RoomAvatarEvent, EncryptionEvent>(obj, obj["type"].toString());
}
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