public ICurrencyRepo CreateChange(Decimal AmountTendered, Decimal TotalCost)
{
USCurrencyRepo repo = new USCurrencyRepo();
decimal newCost = AmountTendered - TotalCost;
return(CreateChange(newCost));
}
public ICurrencyRepo Reduce()
{
USCurrencyRepo repo = new USCurrencyRepo();
decimal Amount = 0m;
for (int i = 0; i < Coins.Count; i++)
{
Amount = Amount + Coins[i].MonetaryValue;
}
US.Penny p = new US.Penny();
US.HalfDollar h = new US.HalfDollar();
US.Quarter q = new US.Quarter();
US.Nickel n = new US.Nickel();
US.DollarCoin d = new US.DollarCoin();
US.Dime m = new US.Dime();
while ((Amount % 1m) < Amount)
{
repo.AddCoin(d);
Amount = Amount - 1m;
}
while ((Amount % .50m) < Amount)
{
repo.AddCoin(h);
Amount = Amount - .50m;
}
while ((Amount % .25m) < Amount)
{
repo.AddCoin(q);
Amount = Amount - .25m;
}
while ((Amount % .10m) < Amount)
{
repo.AddCoin(m);
Amount = Amount - .10m;
}
while ((Amount % .05m) < Amount)
{
repo.AddCoin(n);
Amount = Amount - .05m;
}
while ((Amount % .01m) < Amount)
{
repo.AddCoin(p);
Amount = Amount - .01m;
}
return(repo);
}
public ICurrencyRepo CreateChange(Decimal Amount)
{
USCurrencyRepo repo = new USCurrencyRepo();
US.Penny p = new US.Penny();
US.HalfDollar h = new US.HalfDollar();
US.Quarter q = new US.Quarter();
US.Nickel n = new US.Nickel();
US.DollarCoin d = new US.DollarCoin();
US.Dime m = new US.Dime();
// this is the greedy algorithm for making change.
while ((Amount % 1m) < Amount)
{
repo.AddCoin(d);
Amount = Amount - 1m;
}
while ((Amount % .50m) < Amount)
{
repo.AddCoin(h);
Amount = Amount - .50m;
}
while ((Amount % .25m) < Amount)
{
repo.AddCoin(q);
Amount = Amount - .25m;
}
while ((Amount % .10m) < Amount)
{
repo.AddCoin(m);
Amount = Amount - .10m;
}
while ((Amount % .05m) < Amount)
{
repo.AddCoin(n);
Amount = Amount - .05m;
}
while ((Amount % .01m) < Amount)
{
repo.AddCoin(p);
Amount = Amount - .01m;
}
return(repo);
}
public static ICurrencyRepo MakeChange(decimal Amount)
{
USCurrencyRepo currencyRepo = new USCurrencyRepo();
foreach (ICoin coin in USCoin.GetUSCoinList())
{
int count = (int)(Amount / coin.MonetaryValue);
Amount -= count * coin.MonetaryValue;
if (count > 0)
{
for (int i = 0; i < count; i++)
{
currencyRepo.AddCoin(coin);
}
}
}
return(currencyRepo);
}
