class QrCodeController < ApplicationController
  allow_unauthenticated_access

  def show
    qr_code_link = QrCodeLink.from_signed(params[:id])
    svg = RQRCode::QRCode.new(qr_code_link.url).as_svg(viewbox: true, fill: :white, color: :black)

    expires_in 1.year, public: true
    render plain: svg, content_type: "image/svg+xml"
  end
end