[TYPO3-mvc] How to calculate a repository value from other inputs?

[Sebastian Kurfürst]

Hey Sy,

> I guess this is a general TYPO3 question, or maybe an ExtJS question... but
> if there is an extbase / FLOW3 specific answer, that is what I am looking
> for.
I don't think there's a FLOW3 specific solution to that, or even a
standard way to do this... I guess I'd do this on my own in custom
controllers for example.

Greets,
Sebastian