better loading indicators for timetables, talk and files

2026-05-05 21:07:48 +02:00
parent bee5c02a4f
commit db9c3386f1
25 changed files with 439 additions and 203 deletions
@@ -2,10 +2,26 @@ import '../../../../../api/marianumcloud/talk/chat/getChatCache.dart';
 import '../../../../../api/marianumcloud/talk/chat/getChatResponse.dart';

 class ChatDataProvider {
-  void getChat({
+  Future<GetChatResponse> getChat({
    required String token,
-    required void Function(GetChatResponse data) onUpdate,
-  }) {
-    GetChatCache(chatToken: token, onUpdate: onUpdate);
+    void Function(GetChatResponse data)? onUpdate,
+    void Function(Object)? onError,
+  }) async {
+    GetChatResponse? latest;
+    Object? capturedError;
+    final cache = GetChatCache(
+      chatToken: token,
+      onUpdate: (data) {
+        latest = data;
+        onUpdate?.call(data);
+      },
+      onError: (e) {
+        capturedError = e;
+        onError?.call(e);
+      },
+    );
+    await cache.ready;
+    if (latest != null) return latest!;
+    throw capturedError ?? Exception('No data and no error from getChat');
  }
 }