fucking ruby method

@purchased_at = Date.civil(params[:purchased_at]["(1i)"].to_i,
                           params[:purchased_at]["(2i)"].to_i,
                           params[:purchased_at]["(3i)"].to_i)

@code = Partner::Code.lookup("Vendor", params[:code]) || build_vendor_code
@not_redeem = nil
@error_text = nil
@to_late = nil

if @code.nil?
  @not_redeem = true
  @error_text = I18n.t("fc.check_all_fields")
elsif @purchased_at >= Date.parse("01/07/2014")
  @to_late = true
  @error_text = I18n.t('fc.to_late')
elsif @code.new_record?
  if @code.save
    @error_text =  I18n.t("fc.receipt_sent")
    @not_redeem = true
  else
    @not_redeem = true
    @error_text =  I18n.t("fc.receipt_is_not_sent")
  end
elsif @code.not_confirmed?
  @not_redeem = true
  @error_text =  I18n.t("fc.receipt_already_sent")
elsif @code.confirmed?
  order = Paysteps::Order.new
  order.payable = @code.payable
  order.payer = current_user
  @error_text = I18n.t("fc.already_bought") unless @code.payable.can_be_bought_with?(order)
elsif @code.redeemed?
  @not_redeem = true
  @error_text = I18n.t("fc.already_redeemed")
end

Игорь, покажи потом как зарефакторил.