update method

Implementation

@override
Future<int> update({
  required Filter Function(TMeta t) where,
  TEntity? entity,
  Map<ColumnDefinition<TEntity, dynamic>, dynamic> Function(TMeta t)?
      columnValues,
  bool? useIsolate,
}) async {
  final query = where(t)
      .filters
      .where((element) => element.column?.name == 'id')
      .toList();
  if (query.isNotEmpty == true) {
    var createdAt = entity?.createdAt;
    if (entity == null) {
      final res =
          await firstWhereOrNullMap(where, columns: (t) => [t.createdAt]);
      if (res != null && res.containsKey(t.createdAt.name)) {
        createdAt = res[t.createdAt.name] as DateTime?;
      }
    }
    entity = (entity ?? mType).updateDates(createdAt: createdAt) as TEntity;
    final update = columnValues != null
        ? (entity as Entity).toStorageJson(columnValues: columnValues(t))
        : entity.toMap();
    await write(key: query[0].value as String, value: update);
    return 1;
  }
  return 0;
}