Notes

using System;
using System.Collections.Generic;

namespace DecoratorPattern1
{
class Program
{
static void Main(string[] args)
{
FreshSalad sezarSalata = new FreshSalad("maydanoz, prasa, yeşil soğan, ıspanak", "tulum, kaşar, parmesan, beyaz peynir", "salça, ezme, nar ekşisi");
sezarSalata.Display();


Pasta pasta = new Pasta("Ölü pastası", "nar ekşisi, çikolata sosu, turşu suyu, parmesan peyniri");
pasta.Display();


Console.ReadKey();
}
}

public abstract class RestaurantDish
{
public abstract void Display();
}

public class FreshSalad : RestaurantDish
{
private string _greens;
private string _cheese;
private string _dressing;

public FreshSalad(string greens, string cheese, string dressing)
{
this._greens = greens;
this._cheese = cheese;
this._dressing = dressing;
}
public override void Display()
{
Console.WriteLine("nFresh : ");
Console.WriteLine(" Greens : {0}", this._greens);
Console.WriteLine(" Cheese : {0}", this._cheese);
Console.WriteLine(" Dressing : {0}", this._dressing);
}
}


public class Pasta : RestaurantDish
{

private string _pastaType;
private string _sauce;

public Pasta(string pastaType, string sauce)
{
this._pastaType = pastaType;
this._sauce = sauce;
}
public override void Display()
{
Console.WriteLine("nClasic Pasta : ");
Console.WriteLine(" Pasta : {0}", this._pastaType);
Console.WriteLine(" Sauce : {0}", this._sauce);
}
}
public abstract class Decorator : RestaurantDish
{
protected RestaurantDish _dish;
public Decorator(RestaurantDish dish)
{
_dish = dish;
}
public override void Display()
{
_dish.Display();
}
}

public class Available : Decorator
{
public int NumAvailable { get; set; }

protected List<string> customers = new List<string>();
public Available(RestaurantDish dish, int numAvailable) : base(dish)
{
this.NumAvailable = numAvailable;
}


public void OrderItem(string name)
{
if (NumAvailable > 0)
{
customers.Add(name);
NumAvailable--;
}
else
{
Console.WriteLine("nNot enough ingredients for " + name + "'s order!");
}
}
public override void Display()
{
base.Display();
foreach (string customer in customers)
{
Console.WriteLine("Orderd by " + customer);
}
}
}
}