public ShoppingCartSelection getShoppingCartSelection() {
final Set<BookSelection> selections = shoppingCart.getSelections();
final ShoppingCartSelection cartSelection = new ShoppingCartSelection();
cartSelection.setSelections(selections);
cartSelection.setPrice(priceCalculator.calculateTotal(selections));
return cartSelection;
}
public BookSelection getSelection(long selectionId) {
return shoppingCart.getSelection(selectionId);
}
public void updateBookSelection(long selectionId, int quantity) {
shoppingCart.updateBookSelection(selectionId, quantity);
}
public void addBookSelection(BookSelection selection) {
shoppingCart.addBookSelection(selection);
}