loadEventSources method

@override Future<List<String>> loadEventSources(String eventId)

Implementation

@override
Future<List<String>> loadEventSources(String eventId) async {
  await dbRdy;
  final cached = _eventSources[eventId];
  if (cached != null) {
    final sources = cached.toList()..sort();
    return sources;
  }
  final stored = _getKeyValue(_eventSourcesKey(eventId));
  if (stored == null) {
    return [];
  }
  final sources =
      (jsonDecode(stored) as List).map((entry) => entry.toString()).toSet();
  _eventSources[eventId] = sources;
  final sortedSources = sources.toList()..sort();
  return sortedSources;
}