Make sure the sender Id is intialised properly for pending events

src/models/messagecontentmodel.cpp

@@ -163,7 +163,13 @@ void MessageContentModel::intiializeEvent(const QString &eventId)
 void MessageContentModel::intiializeEvent(const Quotient::RoomEvent *event)
 {
     m_event = loadEvent<RoomEvent>(event->fullJson());
-    m_eventSenderObject = std::unique_ptr<NeochatRoomMember>(new NeochatRoomMember(m_room, event->senderId()));
+    auto senderId = event->senderId();
+    // A pending event might not have a sender ID set yet but in that case it must
+    // be the local member.
+    if (senderId.isEmpty()) {
+        senderId = m_room->localMember().id();
+    }
+    m_eventSenderObject = std::unique_ptr<NeochatRoomMember>(new NeochatRoomMember(m_room, senderId));
     Q_EMIT eventUpdated();
 }
 

src/models/messageeventmodel.cpp

@@ -615,9 +615,15 @@ void MessageEventModel::createEventObjects(const Quotient::RoomEvent *event)
     }
 
     auto eventId = event->id();
+    auto senderId = event->senderId();
+    // A pending event might not have a sender ID set yet but in that case it must
+    // be the local member.
+    if (senderId.isEmpty()) {
+        senderId = m_currentRoom->localMember().id();
+    }
 
-    if (!m_memberObjects.contains(event->senderId())) {
-        m_memberObjects[event->senderId()] = std::unique_ptr<NeochatRoomMember>(new NeochatRoomMember(m_currentRoom, event->senderId()));
+    if (!m_memberObjects.contains(senderId)) {
+        m_memberObjects[senderId] = std::unique_ptr<NeochatRoomMember>(new NeochatRoomMember(m_currentRoom, senderId));
     }
 
     // ReadMarkerModel handles updates to add and remove markers, we only need to

src/neochatroom.cpp

@@ -1767,6 +1767,11 @@ const RoomEvent *NeoChatRoom::getEvent(const QString &eventId) const
         return timelineIt->get();
     }
 
+    const auto pendingIt = findPendingEvent(eventId);
+    if (pendingIt != pendingEvents().end()) {
+        return pendingIt->event();
+    }
+
     auto extraIt = std::find_if(m_extraEvents.begin(), m_extraEvents.end(), [eventId](const Quotient::event_ptr_tt<Quotient::RoomEvent> &event) {
         return event->id() == eventId;
     });