checkCache method

@override Future<bool> checkCache(String key)

check time storage if cached data exists and is valid key - the key used to store the data data - string version of the data to be stored

Implementation

@override
Future<bool> checkCache(String key) async {
  final expiresAt = await getTime(key);
  if (expiresAt == null) return false;
  return DateTime.now().millisecondsSinceEpoch < expiresAt;
}