static void Main(string[] args)
{
Console.WriteLine("Hello there, this program conforms to the Open/Closed Principle..");
Console.WriteLine();
var cart = new SimulateAShoppingCart().Get();
Console.WriteLine("# of Items in the cart: {0}", cart.GetItemCount());
foreach (var item in cart.GetItems())
{
Console.WriteLine("Item: {0}", item);
}
Console.WriteLine();
//Note that Cart Now doesnt know how to calculate all this stuff.
//Its just a container for products to checked out.
//We have successfully identified what varies and seperated that into a new class
// Console.WriteLine("Actual Price: {0}", cart.GetTotalAmount());
// Console.WriteLine("Your discount today: {0}%", cart.GetDiscountPercentage());
// Console.WriteLine("Price After discount: {0}", cart.GetPriceAfterDiscount());
// Console.WriteLine("You've Saved: {0}", cart.GetSavings());
//Note that we can supply this set of rules via configuration at runtime
//Strategy can be configured through IoC
var discountStrategy = new DiscountStrategyBasedOnVolume(new List <IDiscountRule>
{
new LessThanFiveDiscountRule(),
new BetweenFiveAndTenDiscountRule(),
new BetweenTenAndFiveteenDiscountRule(),
new MoreThanFiveteenDiscountRule()
});
var pricingCalculator = new PricingCalculator(cart, discountStrategy);
Console.WriteLine("Actual Price: {0}", pricingCalculator.GetTotalAmount());
Console.WriteLine("Your discount today: {0}%", pricingCalculator.GetDiscountPercentage());
Console.WriteLine("Price After discount: {0}", pricingCalculator.GetPriceAfterDiscount());
Console.WriteLine("You've Saved: {0}", pricingCalculator.GetSavings());
Console.ReadKey();
Console.ReadKey();
}
static void Main(string[] args)
{
Console.WriteLine("Hello there, this program conforms to the Open/Closed Principle..");
Console.WriteLine();
var cart = new SimulateAShoppingCart().Get();
Console.WriteLine("# of Items in the cart: {0}", cart.GetItemCount());
foreach (var item in cart.GetItems())
{
Console.WriteLine("Item: {0}", item);
}
Console.WriteLine();
//Note that Cart Now doesnt know how to calculate all this stuff.
//Its just a container for products to checked out.
//We have successfully identified what varies and seperated that into a new class
// Console.WriteLine("Actual Price: {0}", cart.GetTotalAmount());
// Console.WriteLine("Your discount today: {0}%", cart.GetDiscountPercentage());
// Console.WriteLine("Price After discount: {0}", cart.GetPriceAfterDiscount());
// Console.WriteLine("You've Saved: {0}", cart.GetSavings());
//Note that we can supply this set of rules via configuration at runtime
//Strategy can be configured through IoC
var discountStrategy = new DiscountStrategyBasedOnVolume(new List<IDiscountRule>
{
new LessThanFiveDiscountRule(),
new BetweenFiveAndTenDiscountRule(),
new BetweenTenAndFiveteenDiscountRule(),
new MoreThanFiveteenDiscountRule()
});
var pricingCalculator = new PricingCalculator(cart, discountStrategy);
Console.WriteLine("Actual Price: {0}", pricingCalculator.GetTotalAmount());
Console.WriteLine("Your discount today: {0}%", pricingCalculator.GetDiscountPercentage());
Console.WriteLine("Price After discount: {0}", pricingCalculator.GetPriceAfterDiscount());
Console.WriteLine("You've Saved: {0}", pricingCalculator.GetSavings());
Console.ReadKey();
Console.ReadKey();
}