require_relative "db"

class Entity < Sequel::Model
  one_to_many :notes
  one_to_many :sources
  one_to_one :title
  many_to_many :tags
  one_to_one :url
end

class Note < Sequel::Model
  many_to_one :entity
end

class Source < Sequel::Model
  many_to_one :entity
  many_to_one :source, class: :Entity
end

class Title < Sequel::Model
  many_to_one :entity
end

class Tag < Sequel::Model
  many_to_many :entities
end

class Url < Sequel::Model
  one_to_one :entity
end