We have the following requirement
- User sends a request
- Supporter answers request by asking for clarification or by fulfilling the request
- Here is the thing: While the user is supposed to clarify, the supporter should be able to enter his form again, e.g. to fulfill the request for some reason (let’s say he was able to clarify by phone)
The first thing that comes to mind is to split the token after the supporter asks for clarification with a parallel gateway, so that both user and supporter are assigned to their mutual tasks. Trouble is, if the user clarifies the request, the supporter suddenly has two tasks for his form, the one that allowed him access at all times plus the one from the clarification.
Conceptually, we think we need to cancel the Answer request task (to which the supporter is assigned to give him access to the process at all times) if the user sends a clarification to his request.
Likewise, we need to cancel the Send request task (to which the user is assigned for clarification) if the supporter fulfills the request or sends a different request for clarification.
We have come up with the following solution:
I.e. we send a signal that consumes the token for the pending task und immediately assign the task again with the new token - both for user and supporter.
Is there a more elegant solution? Should we look at it differently?
