@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 {
    interface OrderManager <<"T > Order">>
    class Cart
    class Cash
    class Order
    class Quantity
    class UserAccount
    enum OrderStatus
}

package catering.catalog {
    class Consumable
    class Rentable

    class MultiProduct {
            + getPrice()
        }

    class customProduct
    class Employee {
        + getMaxHours()
        + getSalaryPerHour()
    }
    note "this could work" as myNote

    MultiProduct --|> Salespoint.Product
    MultiProduct "1" o-- "*" customProduct

    customProduct ..> Consumable
    customProduct ..> Rentable
    customProduct ..> Employee
    myNote .- Employee
}

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
    }

    OrderController --> OrderManager : "-orderManager"
    OrderController ..> Model
    OrderController ..> UserAccount
    OrderController ..> Order
    OrderController ..> OrderStatus
    OrderController ..> Cash
    OrderController ..> Quantity
    OrderController ..> Cart
    OrderController ..> catering.catalog.multiProduct
}

@enduml