isAvailable method

@override bool isAvailable(String id, List<T>? data)

Implementation

@override
bool isAvailable(String id, List<T>? data) {
  if (data != null && data.isNotEmpty) {
    for (var value in data) {
      if (Validator.equals(id, value.id)) {
        return true;
      }
    }
    return false;
  } else {
    return false;
  }
}