Excellent, thank you most kindly, that helps a great deal, it is not
practical
to calculate the stock levels from a function for the reason you
outlined.
>From a practical point of view, we are talking about using the
controller
to perform the lifecycle, so using some sort of update controller with
a clause to specify which lifecycle is currently valid. I recall
seeing this
somewhere.
is it too much trouble to get you to show me an example (code) that
would work to perform the change, even psuedo code
it would be easier to use a simpler example, say if the user model
had
user
+paid_for_subject:integer
subjects
-> name: string
has_ many :users through user_allocations, accessible 'true'
user_allocation
how would i make the controller deduct 1 'paid_for_subject' when the
allocation is added to the subjects
again, thanks for all the help
Arch
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