estimateShipping method

Implementation

Future<List<ShippingMethod>> estimateShipping({
  required String cartId,
  required Address address,
}) async {
  try {
    final response = await _client.guestRequest<Map<String, dynamic>>(
      '/rest/V1/guest-carts/$cartId/estimate-shipping-methods',
      options: Options(method: 'POST'),
      data: {'address': address.toJson()},
    );

    if (response.statusCode == 200) {
      final List<dynamic> methods = response.data!['shipping_methods'] ?? [];
      return methods
          .map((method) => ShippingMethod.fromJson(method))
          .toList();
    } else {
      throw Exception(
        'Failed to estimate shipping: ${response.statusMessage}',
      );
    }
  } on DioException catch (e) {
    throw Exception('Failed to estimate shipping: ${e.message}');
  } catch (e) {
    throw Exception('Failed to estimate shipping: $e');
  }
}