upsertAll method

Implementation

@action
void upsertAll(List<ModelBaseMessage> msgs) {
  // Skip if empty list
  if (msgs.isEmpty) return;

  // Update or add each message to the map
  for (final msg in msgs) {
    if (!_map.containsKey(msg.id)) {
      _order.add(msg.id);
    }
    _map[msg.id] = msg;
    _messageStatusMap[msg.id] = msg.status;
  }

  // Sort the entire _order list based on sequence numbers
  _order.sort((a, b) {
    final seqA = _map[a]?.sequence ?? 0;
    final seqB = _map[b]?.sequence ?? 0;
    return seqB.compareTo(seqA); // Descending order (newer messages first)
  });
}