Use Case »Purchase product« (UC-4)

Belongs to functional requirement

FR-15: Place an order for the current shoppingcart

Responsible RE-Author(s) for this Artefact

Celina Schulz, Tim Pack, Lydia Vogel, und Ali Abdulra

History

(v1)   2022-08-15 - initially created as combined use case of old ones according to feedback

Errors, Warnings, Todos

  w005: More than 3 authors (field 'author') - is that on purpose?

  w051: There is no reference for 'secondaryActors'.

  w680: This use case does not appear on any use case diagram.

  w684:

Use Case Header

ID	UC-4
Title	Purchase product
Description	Users can purchase selected products.
Primary actor	STR-1: End customer
Trigger	User wants to purchase a product he likes.
Precondition	A product is selected.
Postcondition	An order is available at different locations in the tool for the selected product(s) with the chosen configuration and amount.

Main Scenario

1. The user clicks on the shopping cart symbol.
2. The product is added to the user's shopping cart.
3. The user goes to checkout.
4. The user selects a payment method and delivery address.
5. The user checks the order details.
6. The user clicks on the buy now icon and confirms the order.

Alternative Scenario

• Alternative 1
  • 5a1) The user notices a mistake he made in the inputs.
  • 5a2) The user goes back to the inputs and corrects it.
  • Continue with 6)