getCartById method

Future<Cart?> getCartById(String cartId, { bool reverse = false, })

Returns a Cart object.

Returns the Cart object of the Cart with the cartId.

If the reverse is set to true, the line items in the cart will be in reverse order.

Implementation

Future<Cart?> getCartById(String cartId, {bool reverse = false}) async {
  final cartById = WatchQueryOptions(
    document: gql(getCartByIdQuery),
    variables: {
      'id': cartId,
      'country': ShopifyLocalization.countryCode,
      'reverse': reverse
    },
    fetchPolicy: ShopifyConfig.fetchPolicy,
  );
  QueryResult result = await _graphQLClient!.query(cartById);
  checkForError(result);

  if (result.data?['cart'] == null) {
    return null;
  }

  return Cart.fromJson(result.data!['cart'] ?? const {});
}