static void Main()
{
Console.ForegroundColor = ConsoleColor.Green;
Func<Product, bool> expression1 = x => x.Price > 2000.0M && x.Price < 3000.0M;
Func<Product, bool> expression2 = x => x.Price > 2500.0M && x.Price < 3000.0M;
Func<Product, bool> expression3 = x => x.Price > 2800.0M && x.Price < 3000.0M;
try
{
var prodcutsDemo1 = new ProdcutsDemo1();
RunProductsDemo1(prodcutsDemo1);
RunProductsDemo1(prodcutsDemo1, expression1);
RunProductsDemo1(prodcutsDemo1, expression2);
RunProductsDemo1(prodcutsDemo1, expression3);
var prodcutsDemo2 = new ProdcutsDemo2();
RunProductsDemo2(prodcutsDemo2);
RunProductsDemo2(prodcutsDemo2, expression1);
RunProductsDemo2(prodcutsDemo2, expression2);
RunProductsDemo2(prodcutsDemo2, expression3);
}
catch (Exception errorObject)
{
Console.WriteLine("\nError: {0}", errorObject.Message);
}
Console.WriteLine("\n\nPress any key ...");
Console.Read();
}
private static void RunProductsDemo2(ProdcutsDemo2 prodcutsDemo, Func<Product, bool> action = null)
{
if (action != null)
{
prodcutsDemo.GenerateProducts(action)
.SortAndDisplayProducts(new ProductNameComparerV2())
.SortAndDisplayProducts(new ProductPriceComparerV2())
.SortAndDisplayProducts();
}
else
{
prodcutsDemo
.GenerateProducts()
.SortAndDisplayProducts(new ProductNameComparerV2())
.SortAndDisplayProducts(new ProductPriceComparerV2())
.SortAndDisplayProducts();
}
}