updateUserPresence method

Implementation

@override
Future<void> updateUserPresence(Presence presence) async {
  Log.debug('updateUserPresence($presence)', '$runtimeType');

  await _debounce(
    field: MyUserField.presence,
    current: () => myUser.value?.presence,
    saved: () async => (await _active)?.value.presence,
    value: presence,
    mutation: (v, _) async {
      return await Backoff.run(
        () async {
          return await _graphQlProvider.updateUserPresence(v ?? presence);
        },
        retryIf: (e) => e.isNetworkRelated,
        retries: 10,
      );
    },
    update: (v, _) => myUser.update((u) => u?.presence = v ?? presence),
  );
}