private bool TryExchange(MoneyCollection resultMoney)
{
ICountableCollection <int> exchangeResult;
var greedyExchanger = new GreedyExchanger();
if (greedyExchanger.TryExchange(new DecreasingIntegerCollectionMultiplier(Money.Notes, _currency.UnitFractions),
_insertedCoins.Total, out exchangeResult))
{
resultMoney.Notes.Add(exchangeResult.Select(nominal => nominal / Money.Currency.UnitFractions));
return(true);
}
resultMoney.Coins.Add(_insertedCoins);
return(false);
}
private bool TryExchange(MoneyCollection resultMoney)
{
int valueForExchange = _insertedNotes.Total * _currency.UnitFractions;
var money = _cashRepository.LoadMoney(_currency);
ICountableCollection <int> exchangeResult;
var greedyExchanger = new GreedyExchanger();
if (greedyExchanger.TryExchange(money.Coins, valueForExchange, out exchangeResult))
{
resultMoney.Coins.Add(exchangeResult);
return(true);
}
resultMoney.Notes.Add(_insertedNotes);
return(false);
}