# frozen_string_literal: true module Api module V1 class EmptyBlueprint < Blueprinter::Base field :available, if: ->(_field_name, _empty, options) { options.key?(:availability) } do |_, options| if options.key?(:email) User.where('email = ?', options[:email]).count.zero? elsif options.key?(:username) User.where('username = ?', options[:username]).count.zero? end end end end end