@startuml
'maybe for mathis kral since he did videoshop:order-limit'
'maybe for eren since he did videoshop:clickable-cart-item'
'maybe for erik since he did videoshop:cart-remove'
skinparam linetype ortho
skinparam groupInheritance 2

package Spring {
    interface Model
}

package Salespoint {
    class Cart
    class Cash
    class Order
    class Product
    class Quantity
    class UserAccount
    enum OrderStatus
}

package catering.catalog {
    class Product
}

package catering.order {
    class OrderController {
        + OrderController()
        + initializeCart() : Cart
        + addProduct(product : Product, amount : int, cart: Cart)
        + buy(cart : Cart, userAccount : UserAccount) : String
        + orders(model : Model) : String
    }
}

@enduml