static void Main(string[] args)
{
CreditCard.CommonCard cc = new CreditCard.CommonCard();
CreditCard.PlatinumCard pc = new CreditCard.PlatinumCard();
Facility.Airline airline = new Facility.Airline();
cc.CashIn(22);
pc.CashIn(10);
pc.GainMiles();
}
public void BuyForBonuses(CreditCard.PlatinumCard card_type, int value)
{
if (card_type.bonusBalance < value)
{
throw new Exception("Недостаточно бонусов");
}
else
{
card_type.bonusBalance -= value;
}
}
public void BuyForMiles(CreditCard.PlatinumCard card_type, int value)
{
if (card_type.miles < value)
{
throw new Exception("Недостаточно миль");
}
else
{
card_type.miles -= value;
}
}
public void CashOut(CreditCard.PlatinumCard card_type, double value) => card_type.CashIn(value);
