spisywarka.puml

@startuml
title Spisywarka
hide empty methods
hide empty members
class Item {
  - id : Uuid
  - name : string
  - category : Category
  - year : ?integer
  - format : ?string
  - author : ?string
  - publisher : ?string
  - description : ?string
  - store : ?string
  - url : ?string
  - slug : string
  + Loan[] getLoaned()
  + ItemCollection[] getCollections()
  + Collection[] getItemCollections()
  + void addCollection(ItemCollection)
  + bool isInCollection(Collection)
}

class Collection {
  - id : Uuid
  - name : string
  - description : string
}

class Category {
  - id : Uuid
  - name : string
  - description : string
}

class ItemCollection {
  - item : Item
  - collection : Collection
}

class Loan {
  - id : Uuid
  - item : Item
  - loaner : ?string
  - loanDate : ?DateTime
  - returnDate : ?DateTime
}

Item "1" -- "*" Loan
Item "1" -- "1" Category
Item "1" - "*" ItemCollection
ItemCollection "1" -- "1" Collection

@enduml