getAllOrganization method

Implementation

@override
Future<List<OrganizationPosTerminalSber>?> getAllOrganization() async {
  final sharedPreferences = await SharedPreferences.getInstance();
  final data = sharedPreferences.getString(_keyOrganizationSberShared);
  if (data == null) {
    return null;
  }
  final List<dynamic> jsonList = jsonDecode(data);
  return jsonList
      .map((json) => OrganizationPosTerminalSber.fromJson(json))
      .toList();
}