private IPaymentGatewayService GetGatewayService(Card card) { IPaymentGatewayService PaymentGatewayService = null; string cardbranc = card.CardBrand; CardTypeEnum cardType = (CardTypeEnum)card.CardType; if (cardType == CardTypeEnum.Credit) { PaymentGatewayService = BankFactory.GetPaymentGateway(BankFactory.BANCO_X); } return(PaymentGatewayService); }