After delving into functional programming, I began to investigate ways to enhance my use case. I initiated the code below, which shares similarities with my second article on Fluent and Fun Clean Architecture. fun placeOrderUseCase(orderRepository: OrderRepository) {if (orderRepository.isLoggedIn()) {val cart = orderRepository.getCart()if (cart.isNotEmpty()) {if (orderRepository.hasEnoughFunds(getTotalPrice()))…