Fixes for reply handling

lib/controllers/current_room_controller.dart

@@ -5,9 +5,12 @@ import "package:nexus/models/full_room.dart";
 
 class CurrentRoomController extends AsyncNotifier<FullRoom?> {
   @override
-  Future<FullRoom?> build() async => (await ref.watch(
-    SpacesController.provider.future,
-  ))[0].children[0].roomData.fullRoom;
+  Future<FullRoom?> build() async {
+    final spaces = await ref.watch(SpacesController.provider.future);
+
+    if (spaces.isEmpty || spaces[0].children.isEmpty) return null;
+    return spaces[0].children[0].roomData.fullRoom;
+  }
 
   Future<void> set(FullRoom room) async {
     await future;

lib/controllers/room_chat_controller.dart

@@ -33,14 +33,7 @@ class RoomChatController extends AsyncNotifier<ChatController> {
       }).cancel,
     );
     return InMemoryChatController(
-      messages: {
-        for (var msg in (await Future.wait(
-          response.chunk.map(
-            (event) => Event.fromMatrixEvent(event, room).toMessage(),
-          ),
-        )).nonNulls.toList().reversed.toList())
-          msg.id: msg,
-      }.values.toList(),
+      messages: await response.chunk.toMessages(room),
     );
   }
 
@@ -63,12 +56,9 @@ class RoomChatController extends AsyncNotifier<ChatController> {
     final response = await ref
         .watch(EventsController.provider(room).notifier)
         .prev();
+
     await controller.insertAllMessages(
-      (await Future.wait(
-        response.chunk.map(
-          (event) => Event.fromMatrixEvent(event, room).toMessage(),
-        ),
-      )).nonNulls.toList().reversed.toList(),
+      await response.chunk.toMessages(room),
       index: 0,
     );
   }

lib/helpers/extension_helper.dart

@@ -56,7 +56,9 @@ extension ToMessage on Event {
         ? originServerTs
         : null;
     final body = newContent?["body"] as String? ?? this.body;
-    final eventId = relationshipEventId ?? this.eventId;
+    final eventId = editedAt == null
+        ? this.eventId
+        : relationshipEventId ?? this.eventId;
 
     if (redacted) return null;
 
@@ -140,3 +142,15 @@ extension ToTheme on ColorScheme {
     ),
   );
 }
+
+extension ToMessages on List<MatrixEvent> {
+  Future<List<Message>> toMessages(Room room) async {
+    final messages = await Future.wait(
+      map((event) => Event.fromMatrixEvent(event, room).toMessage()),
+    );
+
+    return {
+      for (var msg in messages.nonNulls.toList().reversed.toList()) msg.id: msg,
+    }.values.toList();
+  }
+}

lib/widgets/chat_page/top_widget.dart

@@ -32,25 +32,27 @@ class TopWidget extends ConsumerWidget {
                 if (replyMessage == null) return SizedBox.shrink();
 
                 // Black magic to limit reply preview length
-                final replyText = message is TextMessage
+                final smallerText = message is TextMessage
                     ? replyMessage.text.substring(
                         0,
                         min(
                           max(
-                            min(
-                              max(
-                                (message as TextMessage).text.length - 20,
-                                message.metadata?["displayName"].length,
-                              ),
-                              replyMessage.text.length,
+                            max(
+                              (message as TextMessage).text.length - 20,
+                              message.metadata?["displayName"].length,
                             ),
                             5,
                           ),
                           replyMessage.text.length,
                         ),
                       )
-                    : replyMessage.text;
+                    : null;
+                final replyText = (smallerText == null)
+                    ? replyMessage.text
+                    : "$smallerText...";
+
                 return InkWell(
+                  // TODO: Scroll to original message
                   onTap: () => showAboutDialog(context: context),
                   child: Container(
                     decoration: BoxDecoration(