patterns/decorator/coffeewithsize/soy.d

module decorator.coffeewithsize.soy;

import decorator.coffeewithsize.beverage;
import decorator.coffeewithsize.condimentdecorator;

class Soy : CondimerDecorator
{
private:
    Beverage beverage;
public:
    this(Beverage beverage)
    {
        this.beverage = beverage;
    }

    override string getDescription()
    {
        return beverage.getDescription() ~ ", Soy";
    }

    override double cost()
    {
        double cost = beverage.cost();
		if (beverage.getSize() == Size.TALL)
        {
			cost += .10;
		}
        else if (beverage.getSize() == Size.GRANDE)
        {
			cost += .15;
		}
        else if (beverage.getSize() == Size.VENTI)
        {
			cost += .20;
		}
		return cost;
    }
}