increment method

@override Future<int> increment(String key, [ int amount = 1 ])

Increment the value of an item in the cache.

• Parameters:
  • key: The key of the item to increment.
  • amount: The amount to increment by (default is 1).
• Returns: The new value of the item.

Implementation

@override
Future<int> increment(String key, [int amount = 1]) async {
  final value = await get(key);
  final int currentValue =
      (value is int) ? value : int.tryParse(value.toString()) ?? 0;
  final newValue = currentValue + amount;
  await put(
    key,
    newValue,
    const Duration(days: 365 * 100),
  ); // Long TTL for counters usually
  return newValue;
}