def checkContributionPaymentMethodEnabled()

in support-frontend/app/utils/CheckoutValidationRules.scala [59:85]

• 25 lines of code
• 18 McCabe index (conditional complexity)

  def checkContributionPaymentMethodEnabled(
      switches: RecurringPaymentMethodSwitches,
      paymentFields: PaymentFields,
  ) = paymentFields match {
    case _: PayPalPaymentFields =>
      if (switches.payPal.contains(On)) Valid else Invalid("Invalid Payment Method")
    case _: DirectDebitPaymentFields =>
      if (switches.directDebit.contains(On)) Valid else Invalid("Invalid Payment Method")
    case _: SepaPaymentFields =>
      if (switches.sepa.contains(On)) Valid else Invalid("Invalid Payment Method")
    case _: StripeHostedPaymentFields =>
      if (switches.stripeHostedCheckout.contains(On)) Valid else Invalid("Invalid Payment Method")
    case s: StripePaymentFields =>
      s.stripePaymentType match {
        case Some(StripePaymentType.StripeApplePay) =>
          if (switches.stripeApplePay.contains(On)) Valid else Invalid("Invalid Payment Method")
        case Some(StripePaymentType.StripePaymentRequestButton) =>
          if (switches.stripePaymentRequestButton.contains(On)) Valid else Invalid("Invalid Payment Method")
        case Some(StripePaymentType.StripeCheckout) =>
          if (switches.stripe.contains(On)) Valid else Invalid("Invalid Payment Method")
        case None => Invalid("Invalid Payment Method")
      }
    case _: ExistingPaymentFields =>
      // Return Valid for all existing payments because we can't tell whether the user has a direct debit or card but,
      // there are separate switches in the switchboards(RRCP-Reader Revenue Control Panel) for these
      Valid
  }