Custom setter/getter support

[StevenSorial]

Is custom setter/getter for defaults currently supported? I saw in #154 that it was initially planned but I don't see it in the docs.

[sunshinejr]

Hey @StevenMagdy! Yes, we introduced custom getters/setters with the introduction of bridges in version 4.0.

See the Custom Types section in the Readme to find out how to create your custom bridge.

Also, let me know if you have any troubles with that :)

[StevenSorial]

Thanks for the quick reply :) I have an array of a Codable struct that I want to filter before saving in SwiftyUserDefaults

what I understood should be done do is:

final class DefaultsCountryArrayBridge: DefaultsBridge<[Country]> {
  override func save(key: String, value: [Country]?, userDefaults: UserDefaults) {
    guard let value = value?.filter({ $0.id > 0 }),
      let data = try? JSONEncoder().encode(value) else {
      userDefaults.removeObject(forKey: key)
      return
    }
    // userDefaults.set(encodable: values, forKey: key) is not accessible
    userDefaults.set(data, forKey: key)
  }

  override func get(key: String, userDefaults: UserDefaults) -> [Country]? {
    guard let data = userDefaults.data(forKey: key) else { return nil }
    return deserialize(data)
  }

  override func isSerialized() -> Bool {
    return true
  }

  override func deserialize(_ object: Any) -> [Country]? {
    guard let data = object as? Data else { return nil }
    return try? JSONDecoder().decode([Country].self, from: data)
  }
}

extension Country: DefaultsSerializable {
  static var _defaults: DefaultsBridge<Country> { return DefaultsCodableBridge() }
  static var _defaultsArray: DefaultsBridge<[Country]> { return DefaultsCountryArrayBridge() }
}

but i feel (and hope) it should be simpler than this, shouldn't it be a simple clousure that would be called before saving ?

[sunshinejr]

@StevenMagdy yeah, you should be able to inherit from DefaultsCodableBridge and just override save func with the filtering and then calling super.save... when you filtered out the values.