markSeen method

Future<void> markSeen(
  1. String tipId
)

Mark tipId as seen and persist. No-op if already marked.

Implementation

Future<void> markSeen(String tipId) async {
  if (_seen.containsKey(tipId)) return;
  _seen[tipId] = DateTime.now().millisecondsSinceEpoch;
  _seenNotifiers[tipId]?.value = true;
  await _persist();
}