WithListInformation

WithListInformationExpert.kt

data class Product(
  val title: String,
  val price: BigDecimal,
  val discount: BigDecimal // Value from 0.00% to 1.00%
){
 
  val productPriceWithDiscount : BigDecimal
    get() {
        val discount = price * discount
        return price - discount
    }
}

data class Wishlist(
  val products: List<Product>
){
 
  fun getAllProductsPrice(): BigDecimal {
      return products.sumOf { it.productPriceWithDiscount }
  }
}