public string PrintBill <I>(IEnumerable <I> items, IItemSorter <I> sorter)
where I : IItem
{
string bill = "";
foreach (var item in sorter.SortItems(items))
{
bill += String.Format(
"towar {0} : cena {1} + podatek {2}\n",
item.Name, item.Price, taxCalc.CalculateTax(item.Price)
);
}
return(bill);
}
public void PrintBill(Item[] Items, IItemSorter itemSorter)
{
Item[] sortedItems = Items;
if (itemSorter != null)
{
itemSorter.SortItems(sortedItems);
}
Console.WriteLine("Wartość podatku {0}", Tax);
foreach (var item in sortedItems)
{
Console.WriteLine("towar {0} : cena {1} + podatek {2}",
item.Name, item.Price, taxCalc.CalculateTax(item.Price));
}
}