require "uuid"

module Backend::Api::Schema::Scalars
  @[GraphQL::Scalar]
  class UUID < GraphQL::BaseScalar
    property value

    def initialize(@value : ::UUID)
    end

    def self.from_json(string_or_io)
      self.new(::UUID.from_json(string_or_io))
    end

    def to_json(builder : JSON::Builder)
      builder.scalar(@value.to_s)
    end
  end
end