public void AddPayment(int coinValue)
{
if (!_coinValidationStrategy.IsCoinValid(coinValue))
{
throw new IllegalCoinException("Illegal coin value: " + coinValue);
}
_coinAmount += coinValue;
_minutes = _rateStrategy.CalculateRate(_coinAmount);
_insertedCoins = IncrementCoinAdded(_insertedCoins, coinValue);
}
public int CalculateRate(int coinValue)
{
if (IsWeekend())
{
return(_weekendStrategy.CalculateRate(coinValue));
}
return(_weekDayStrategy.CalculateRate(coinValue));
}