"Cancel Reservation" operation

To cancel a reservation users would need to navigate to the corresponding reservation and then click on the “Cancel” button. Users can navigate to the reservation either from the form of a member who made the reservation or from the form of the item (this is similar to the “Renew Loan” operation).

To cancel a reservation the system would need to change the status of the reservation to “Cancelled” and the rest will be taken care by the business rules of the Reservation object. In order to do this we would need to define the process called CancelReservation that requires the Reservation object as its input and which has the single action defined:

Reservation.Status = 'Cancelled' 

We will also ask the user to confirm cancellation of the Reservation and check that he replied “Yes” before changing status of the reservation. The whole process will look like so:

DISPLAY QUESTION 'Do you want to cancel the reservation?'
IF Question.Reply='Yes' THEN 
 Reservation.Status='Cancelled'