module Ollama::DTO

def as_array_of_hashes(obj)
  if obj.respond_to?(:to_hash)
    [ obj.to_hash ]
  elsif obj.respond_to?(:to_ary)
    obj.to_ary.map(&:to_hash)
  end
end

def as_json(*)
  self.class.attributes.each_with_object({}) { |a, h| h[a] = send(a) }.
    reject { _2.nil? || _2.ask_and_send(:size) == 0 }
end

def to_json(*)
  as_json.to_json(*)
end