sessionsByState static method

Future<Map<String, int>> sessionsByState()

Session count grouped by stateId.

Implementation

static Future<Map<String, int>> sessionsByState() async {
  final records = await getHistory();
  final map = <String, int>{};
  for (final r in records) {
    map[r.stateId] = (map[r.stateId] ?? 0) + 1;
  }
  return map;
}