public void Dec(Coin coin)
{
cointCountByNominal[coin.Nominal] -= coin.Count;
}
private IEnumerable<Coin> CalculateCoins(List<Coin> currenCoins, int userMoneySumm)
{
foreach (var currenCoin in currenCoins)
{
var needCountCoins =userMoneySumm / currenCoin.Nominal;
if (needCountCoins > currenCoin.Count)
{
needCountCoins = currenCoin.Count;
}
userMoneySumm -= needCountCoins*currenCoin.Nominal;
var calculateCoins = new Coin()
{
Count = needCountCoins,
Nominal = currenCoin.Nominal
};
yield return calculateCoins;
if (userMoneySumm == 0)
{
yield break;
}
}
throw new LimitAsReachedException("Нет необходимой суммы в кошельке");
}
public void Add(Coin coin)
{
cointCountByNominal[coin.Nominal] += coin.Count;
}
