Hands-On Software Engineering with Python

Artisan – fulfilling an item in an order

The relevant Story for Artisan being able to fulfil an item in an Order, from the earlier collection of stories is:

• As an Artisan, I need to be able to update Order objects so that I can indicate to the Central Office when my part of an Order is fulfilled.

Ultimately, the act of fulfilling all or part of an Order by an Artisan is just another update process, at least from a messaging standpoint. So far, though, there isn't a mechanism for keeping track of fulfilled items in any of the Order classes, and that's going to be problematic until it's addressed. Fortunately, the model for fulfilled items can be essentially identical to the model for the original Order items—a collection (a dict, specifically) ...