@startuml

' hide the spot
hide circle

' avoid problems with angled crows feet
skinparam linetype ortho

entity "user" as user {
  *id : number <<generated>>
  --
  *auth_id : text(50)
'  *created: datetime
'  *updated: datetime
}

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

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

tag_type ||--o{ tag

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

entity token  {
  *id : number <<generated>>
  *user_id
  --
  *token : text(36)
}
user ||-o{ token : user_has_token

entity profile_address {
  *id : number <<generated>>
  *profile_id
  --
  street: text(25)
  house_number: text(10)
  additional: text(25)
  postcode: text(10)
  city: text(25)
  country: text(25)
}
profile ||-o{ profile_address : profile_has_address

entity profile_skill {
*profile_id: id
*skill_id: id
--
*level: number
}

entity profile_language {
*profile_id: id
*language_id: id
--
level: number
}

entity profile_experience {
  *id : number <<generated>>
  *profile_id
--
  description
  start: date
  end: date
}

entity profile_experience_experience {
  *profile_experience_id
  *experience_id
}

profile ||--o{ profile_experience : user_has_experience
profile_experience ||--o{ profile_experience_experience : user_experience_is_tagged_with

profile_experience_experience }o--|| tag 

entity user_search_topic {
  *user_id
  *topic_id
--
}

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

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

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

profile ||--o{ profile_skill : user_has_skills
profile_skill ||--o{ tag

profile ||--o{ profile_language : user_speaks_language
profile_language||--{ language

user ||--o{ user_search_topic
user_search_topic ||--o{ tag

profile ||-o{ profile_contact
profile_contact ||-o{ contact_type

@enduml