public CashOutPageViewModel()
{
var bancnotes = from b in context.Banknotes select b;
Sum500Variant = CashOutVariants.GetCashOutVariants(500, bancnotes);
Sum1000Variant = CashOutVariants.GetCashOutVariants(1000, bancnotes);
Sum2000Variant = CashOutVariants.GetCashOutVariants(2000, bancnotes);
Sum3000Variant = CashOutVariants.GetCashOutVariants(3000, bancnotes);
Sum4000Variant = CashOutVariants.GetCashOutVariants(4000, bancnotes);
Sum5000Variant = CashOutVariants.GetCashOutVariants(5000, bancnotes);
}
public static CashOutVariantsModel GetCashOutVariants(int sum, IQueryable <Banknote> banknotes)
{
CashOutVariantsModel cashOutVariantsModel = new CashOutVariantsModel();
cashOutVariantsModel.CashOutBancnotes = new Dictionary <int, int>();
cashOutVariantsModel.IsPossibly = false;
cashOutVariantsModel.Remainder = 0;
var banknotesSorted = (from b in banknotes orderby b.NominalValue descending select b).ToList();
int count = 0;
foreach (var item in banknotesSorted)
{
if (item.Count > 0)
{
count = sum / item.NominalValue;
if (count > 0)
{
if (item.Count >= count)
{
sum -= item.NominalValue * count;
cashOutVariantsModel.CashOutBancnotes.Add(item.NominalValue, count);
}
else
{
count = item.Count;
sum -= item.NominalValue * count;
cashOutVariantsModel.CashOutBancnotes.Add(item.NominalValue, count);
}
}
}
Console.WriteLine(item.NominalValue + " " + item.Count);
}
if (sum == 0)
{
cashOutVariantsModel.IsPossibly = true;
}
cashOutVariantsModel.Remainder = sum;
return(cashOutVariantsModel);
}