Use Case 7: View offers

Rational

Main flow	Question: what class ...	Answer	Justification
1. The unregistered user opens the web portal.	...interacts with the user?	ViewOffersPageUI	Pure Fabrication.
	...coordinates the use case?	ViewOffersPageController	Controller.
2. The system selects a set of offers and shows them to the unregistered user.	...knows all the offers of the company?	OfferManager	Information Expert: the offer manager contains all the offers.

Switching page

Main flow	Question: what class ...	Answer	Justification
3. The unregistered user selects a page (previous or next).
4. A set of the offers from that page are shown to the unregistered user.	...knows all the offers of the company?	OfferManager	Information Expert: the offer manager contains all the offers.
	...is responsible for managing the page?	ViewOffersPageController	Controller.

Systematization

From the rational results that the conceptual classes promoted to software classes are:

None.

Other identified software classes (e.g. Pure Fabrication):

• ViewOffersPageUI
• ViewOffersPageController
• OfferManager

Sequence diagram

Class diagram