@startuml

' hide the spot
hide circle

' avoid problems with angled crows feet
skinparam linetype ortho

entity "user" as user {
  *id : number <<generated>>
  --
  *nickname : text(25)
  *created: datetime
  *updated: datetime
}

entity user_profile {
  *id : number <<generated>>
  *userid
  --
  pronouns : text(25)
  fullname: text(100)
  volunteerwork: text(4000) 
  freetext: text(4000)
  *profile_visible: bool
  *created: datetime
  *updated: datetime
}
user ||-o{ user_profile : user_has_profile

entity user_address {
  *id : number <<generated>>
  *userid
  --
  street: text(25)
  house_number: text(10)
  additional: text(25)
  postcode: text(10)
  city: text(25)
  country: text(25)
}
user ||-o{ user_address : user_has_address

entity user_skill {
*user_id: id
*skill_id: id
--
level: number
}

entity user_language {
*user_id: id
*language_id: id
--
level: number
}

entity skill {
  *id : number <<generated>>
--
  *name: text(25) 
}

entity user_experience {
  *id : number <<generated>>
  *user_id
--
  description
  start: date
  end: date
}

entity user_experience_experience {
  *user_experience_id
  *experience_id
}

user ||--o{ user_experience : user_has_experience
user_experience ||--o{ user_experience_experience : user_experience_is_tagged_with

entity experience {
  *id : number <<generated>>
  --
  *name: text(25) 
}
user_experience_experience }o--|| experience 


entity user_search_topic {
  *user_id
  *topic_id
--
}

entity user_contact {
  *id : number <<generated>>
  *user_id
  *contact_type_id
--
  *content: text(200)
}

entity topic {
  *id : number <<generated>>
--
  *name: text
}

entity language {
  *id : number <<generated>>
  --
  *name: text(25) 
}

entity contact_type {
  *id : number <<generated>>
--
  *name: text(25) 
}

user ||--o{ user_skill : user_has_skills
user_skill ||--o{ skill

user ||--o{ user_language : user_speaks_language
user_language||--{ language

user ||--o{ user_search_topic
user_search_topic ||--o{ topic

user ||-o{ user_contact
user_contact ||-o{ contact_type

@enduml