public static void InsertCoins(
this IVendingMachineService service,
CoinType coinType,
int numberOfCoins
)
{
for (var i = 0; i < numberOfCoins; i++)
{
service.InsertCoinAsync(coinType.ToDecimal());
}
}
private static (decimal rest, int coinAmount) GetCoinChange(
this decimal val,
CoinType coinType)
{
var coinTypeVal = coinType.ToDecimal();
var coins = 0;
while (val >= coinTypeVal)
{
coins = coins + 1;
val = val - coinTypeVal;
}
return(val, coins);
}
private decimal ProcessReturnWallet(
Dictionary <CoinType, Stack <Coin> > machineWallet,
Dictionary <CoinType, Stack <Coin> > returnWallet,
CoinType coinType,
decimal changeVal)
{
var coinTypeVal = coinType.ToDecimal();
while (changeVal >= coinTypeVal && machineWallet[coinType].Count > 0)
{
var fiftyCentCoin = machineWallet[coinType].Pop();
returnWallet[coinType].Push(fiftyCentCoin);
changeVal = changeVal - coinTypeVal;
}
return(changeVal);
}
public Coin(CoinType coinType)
{
Name = coinType;
Value = coinType.ToDecimal();
}