[konheko] Align send button with bottom and fix events without username

qml/pages/ChatPage.qml

@@ -36,11 +36,8 @@ Page {
                 boundsBehavior: Flickable.StopAtBounds
                 anchors.left: parent.left
                 anchors.right: parent.right
-
                 verticalLayoutDirection: ListView.BottomToTop
-
-                Component.onCompleted: positionViewAtIndex(room.lastRead(), ListView.Contain);
-
+                Component.onCompleted: positionViewAtIndex(room.lastRead(), ListView.Contain)
                 onMovementEnded: {
                     console.log("movement ended");
                     if (chatView.atYBeginning) {
@@ -49,13 +46,12 @@ Page {
                     }
                     if (chatView.atYEnd) {
                         console.log("at end");
-                        room.markRead(0)
+                        room.markRead(0);
                     } else {
                         console.log("not at end");
                     }
                 }
 
-
                 ScrollDecorator {
                     flickable: chatView
                 }
@@ -81,6 +77,7 @@ Page {
                         id: sendButton
 
                         anchors.bottom: parent.bottom
+                        anchors.bottomMargin: Theme.paddingLarge
                         icon.source: "image://theme/icon-m-send"
                         onClicked: {
                             if (messageText.text != "")

src/models/roommodel.cpp

@@ -488,10 +488,11 @@ QVariant Room::data(const QModelIndex &index, int role) const {
     case UserName:
         return QString::fromStdString(std::visit(
             [this](const auto &e) -> std::string {
+                auto user_id = eventUserId(e);
                 try {
-                    return this->memberInfos.at(eventUserId(e)).display_name;
+                    return this->memberInfos.at(user_id).display_name;
                 } catch (...) {
-                    return "";
+                    return user_id;
                 }
             },
             event));
@@ -521,7 +522,7 @@ QString Room::userIdToUserName(QString id) {
     try {
         return QString::fromStdString(this->memberInfos.at(id.toStdString()).display_name);
     } catch (...) {
-        return "";
+        return id;
     }
 }