Hi Matt/all,
Actually from what I can see Rails does not hold off on trigger it's
"after_save" callbacks until just before commit in the case they are wrapped
in a specific transaction (unfortunately). So there's still no
"before_commit" equivalent yet anyone has identified. Let me know if I'm
w
> MY problem is: the final result will be a generated file on the
> filesystem, and i couldn't figure how to throw send_file in the mix. i
> looked at prawnto, rjs, builder and fleximage plugins. but all do not
> generate results on the filesystem (aka do not use send_file).
Josh is the guy who k
There's no explicit hook, but you can pretty much do what you've
described using transactions.
If you're updating the chapters in a single controller action, you can
use a transaction block
(see
http://api.rubyonrails.org/classes/ActiveRecord/Transactions/ClassMethods.html)
to wrap all
the
Hi Mike, all
Understood. To help align my fictitious example to the cross-model
validation question I've asked consider that:
(a) the book value is fixed [e.g. perhaps think of this as a bank account
transaction amount, being allocated out to different tax categories & then
the user wants to adju
Personally, I normally solve the problem by making one source of data
the correct record. For instance, I would make the allocation the
source, and then put a callback on allocation that notifies Book of a
change. Then, Book can recalculate itself from the allocations. This
type of things
