@startuml

'!include base.plantuml
!include status.plantuml
skinparam linetype ortho


class User {
  {field}  + code\t\tString(253)\t<<Unique>>
  {field}  + name\t\tString(253)
  {field}  + password\tString(255) | None
  {field}  + ldap_name\tString(255) | None
  {field}  + notes\t\tText | None
           + __repr__()\t\tstr
}

abstract Versioned {
  {field}  + user__\t\tUser
  {field}  # _created__\tDatetime
  {field}  # _updated__\tDatetime | None
  {field}    _user__id\t\tInteger | None
  {field}  # __versioned__\t= True
}

'Base <|-- User
StatusForeignKey <|-[#blue]- User
Versioned <|-[#blue]- User
User *-- Versioned


@enduml