CleanApiArchitecture_04_StageHandler.java

class CreateOrderStageHandler implements Stage<CreateOrderCommand, String> {
    private String process(CreateOrderCommand order) {
        
        // Get shopper account Id
        var shopperId = accountRepository.getAccountId(order.shopperName);
        
        // Delete item from shopper's cart
        cartRepository.deleteShopperItem(shopperId, order.item);
        
        // Add the order
        var order = orderRepository.createOrder(shopperId, order);
        
        // Return the created order item
        return order.item;
        
    }
}