static void Main(string[] args)
{
var items = new[]
{
new After.ConcreteItem {Name = "one", Price = (decimal) 3.5, Category = "fun"},
new After.ConcreteItem {Name = "two", Price = (decimal) 10.1, Category = "notfun"},
new After.ConcreteItem {Name = "three", Price = (decimal) 1.1, Category = "chłam"}
};
var register = new After.CashRegister(new After.TaxCalculator());
register.PrintBill(items);
Console.WriteLine();
var comparer =
Comparer<After.ConcreteItem>.Create((ix, iy) => Comparer.Default.Compare(ix.Category, iy.Category));
register.PrintBill(items, comparer);
}
static void Main(string[] args)
{
Console.WriteLine("Code which does not respect OCP");
Before.Item[] beforeItems = new Before.Item[5];
beforeItems[0] = new Before.Item("Bread", 3.49m, "Baked goods");
beforeItems[1] = new Before.Item("Panini", 4.49m, "Baked goods");
beforeItems[2] = new Before.Item("Tiger", 3.99m, "Other");
beforeItems[3] = new Before.Item("Cheese", 2.49m, "Milk products");
beforeItems[4] = new Before.Item("Milk", 1.79m, "Milk products");
Before.CashRegister cashRegister = new Before.CashRegister();
Console.WriteLine(cashRegister.PrintBill(beforeItems));
Console.WriteLine("\n\nCode which respects OCP");
After.TaxBakedGoods bakedGoods = new After.TaxBakedGoods();
After.TaxMilkProducts milkProducts = new After.TaxMilkProducts();
After.TaxOther other = new After.TaxOther();
After.AlphabeticalBillPrinter alphabeticalBillPrinter = new After.AlphabeticalBillPrinter();
After.NormalBillPrinter normalBillPrinter = new After.NormalBillPrinter();
After.Item[] afterItems = new After.Item[5];
afterItems[0] = new After.Item("Bread", 3.49m, bakedGoods);
afterItems[1] = new After.Item("Panini", 4.49m, bakedGoods);
afterItems[2] = new After.Item("Tiger", 3.99m, other);
afterItems[3] = new After.Item("Cheese", 2.49m, milkProducts);
afterItems[4] = new After.Item("Milk", 1.79m, milkProducts);
After.CashRegister cashRegisterAlphabetical = new After.CashRegister(alphabeticalBillPrinter);
After.CashRegister cashRegisterNormal = new After.CashRegister(normalBillPrinter);
Console.WriteLine("NORMAL BILL");
Console.WriteLine(cashRegisterNormal.PrintBill(afterItems));
Console.WriteLine("ALPHABETICALLY SORTED BILL");
Console.WriteLine(cashRegisterAlphabetical.PrintBill(afterItems));
}
