Separating Db from business with Inherited classes using multiple views

Posted by catalinux on Programmers See other posts from Programmers or by catalinux
Published on 2013-10-28T14:14:01Z Indexed on 2013/10/28 16:14 UTC
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I have a software that has a car model that will be used in different views (listing, ads, detail page, carousel, up sell widget,etc).

class CarModel extends DbModel{

}

I look for a "nice way" (a combination of flexible, easy to maintain,etc) to have this used in views.

I'm thinking at two different ways

  1. Having object views for each context

    CarViewBase{
        var car;// of type CarModel
        function constructor(args){
            //will instantienta internal variable car based on args
        }
    
        function getThumb(){
        }
    
        function getTitle(){
    
        }
     }
    
    CarListingView extends CarViewBase{
        function getListing(){
        }
    }
    
    CarAdsView extends CarViewBase{
    //the busines rule changes for ads widget
        function getThumb(){
        }
    }
    
  2. Extending directly the CarModel

The challenges comes when My Car Model might need an abstract factory. Let's say I have a field on my car object that states the type of the car : a truck, or a bike, or van. How would affect that my object view? Let's say that getTitle() rule would be different for each type of it.

How would you do it?

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