diagram.plantuml

@startuml
Class User {
String name
}

Class Document {

}

Document <|-- BinaryDocument
Document <|-- PlainTextDocument

Class Appointment {
DateTime time
Contact contact
}

Class JobOffer {
Document document
}

Class Application {
String adress
CV cv
MotivationLetter letter
JobOffer jobOffer
Appointment appointment
PlainTextDocument notes
Status status
}

Class CV {
Document document
}

Class MotivationLetter {
Document document
}

Class Company
Class Contact {
String name
String position
String phone_number
}

Applications *-- Application
Application o-- JobOffer
Application o-- MotivationLetter
Companies *-- Company
Company "0..n" -- "1" Contact
Appointment o-- Contact
Appointment o-- CV
@enduml