* Betr.: " [tryton-dev] Product Kit" (Fri, 16 Dec 2011 08:16:51 +0100):

> We received the request for porting an OpenERP module we created to Tryton 
> which is called "nan_product_pack". The first thing we'd like to do is to 
> rename it to "product_kit" and will help users manage kits or sets of 
> products. 

Very useful!
 
> The idea is adding a new tab in the product (see product-kit.png) to indicate 
> what products the kit contains and what quantity. Then, when the user will 
> create a sale order or a picking, and the product is selected, all the 
> products of the kit are added to the order/picking prepending their 
> description with "> " (see sale-kit.png). That is executed recursively so one 
> can create kits that contain other kits.
> 
> The reason for doing it this way instead of using a bill of materials is that 
> it requires much less information than a full BoM and it's also easier for 
> users. It is also a very flexible solution for many situations. Although the 
> most usual is that the company has a kit which is not produced first but 
> collected at picking time, we have used it for other circumstances too such
> as a kind of synonym of a product: The customer is purchasing a product and
> we internally make the picking of another one but we never print the 
> subcomponents in the sale order or picking reports.

Ack. It looks like the current model for BOM isn't very well suited resp. handy
to perform those 'simple' tasks.

> At the same time it's possible to decide how product price and stock are 
> calculated. The price of the kit can be set in the kit product or calculated 
> as the sum of its components. The stock can be calculated as if it was a 
> normal product or using the stock available of the component with less 
> quantity.
> 
> We're going to work on that in the next few days so if you have any concerns 
> or needs that we could take into account when working on that they will be 
> very welcomed.

My questions are:

- It would be nice to have the same working also for purchase. And if it could
  be possible to choose, if a kit is exploded to its components or purchased as
  kit.
- Where do you want to save the 'property' kit of product? Is a kit just a
  product containing 'kit product lines' or will it have a Boolean to be marked
  as kit? The latter could perhaps simplify the usage, because the view could
  be changed according to the Boolean and perhaps it could boost performance
  when searching for kits in domains.


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    Mathias Behrle
    MBSolutions
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