/** * A product from Acme's catalog * * @param productId The unique identifier for a product * @param productName Name of the product * @param price The price of the product * @param tags Tags for the product * @param dimensions */ case class Product ( productId: Int, productName: String, price: Double, tags: Option[List[String]], dimensions: Option[Dimensions] ){ assert( price > 0, "`price` must be greater than 0" ) assert( tags.forall(_.nonEmpty), "`tags` must have minimum 1 item(s)" ) assert( tags.forall(_.length > _.distinct.length), "`tags` contains duplicate items" ) } /** * @param length * @param width * @param height */ case class Dimensions ( length: Double, width: Double, height: Double )