@startuml
skinparam linetype ortho
skinparam groupInheritance 2

package Spring {
    interface Model
    class Sort
}

package Salespoint {
    'https://st.inf.tu-dresden.de/SalesPoint/api//org/salespointframework/catalog/Catalog.html'
    interface Catalog << T > Product >> {
        findByAnyCategory(categories : String) : Streamable<Product>
        findByAllCategories(categories : String) : Streamable<Product>

    }
    interface DataInitializer
    interface Inventory << T > InventoryItem >>
    class Product {
        + Product(name : String, price : javax.money.MonetaryAmount, [Metric : metric])
        + getID() : Product.Identifier
        '+ addCategory(category : String) : boolean' #TODO: for class Inventory
        '+ removeCategory(category : String) : boolean' #TODO: for class Inventory
        '+ supports(quantity : Quantity) : boolean' #TODO: for class Cart
        + getCategories() : Streamable<String>
        + getName() : String
        + getPrice() : @NonNull javax.money.MonetaryAmount

    }
    class Quantity {
        + getAmount() : @NotNull BigDecimal
    }
}

package catering.catalog {
    interface CateringCatalog {
        + DEFAULT_SORT : Sort
    }
        CateringCatalog --o CatalogController : "-catalog"
        CateringCatalog ..> Catalog : "<bind> <T->Product"
         
    class CatalogController {
        + CatalogController()
        + CatalogByEventategory(model : Model, form : Form) : String
    }
        CatalogController --> Inventory : "- inventory"
        CatalogController ..> Model : "use"
        CatalogController .> CatalogForm : "use"

    class CatalogForm {
        - query
        + getQuery() : String
    }

    class Consumable {
      - wholesalePrice : javax.money.MonetaryAmount
      - retailPrice : javax.money.MonetaryAmount
      - promotionPrice : javax.money.MonetaryAmount
      + getWholesalePrice() : javax.money.MonetaryAmount
      + getPrice() : javax.money.MonetaryAmount
    }
        Consumable --|> Product

    class Rentable {
        - pricePerHour : javax.money.MonetaryAmount
        - Events : Streamable<Event>
        + getPrice() : javax.money.MonetaryAmount

    }
        Rentable --|> Product
}

'#TODO: to determine which Products of a Category to offer I need to retrieve information about availability of e.g. Cooks and ServicePersonel from the Users or Rentables from the Inventory'

@enduml