On Sat, Nov 10, 2012 at 6:15 AM, Tomas Ehrlich <tomas.ehrl...@gmail.com> wrote:
> I usualy put methods like this one into Model, although Manager is also
> possible. Definitely not View or sth else.
definitely in the model.
you'd use it like this:
accnt = get_object_or_404 (Account, pk=account_id)
payee = get_object_or_404 (...........)
accnt.make_payment (payee, amount)
it would be as easy as adding a method to your Account class, for example:
class Account (models.Model):
......
......
def make_payment(self, payee, amount, save=True):
if amount > self.balance:
throw NotEnoughFunds
self.balance -= amount
payee.balance += amount
if save:
self.save()
payee.save()
(of course, a serious accounting app don't modify balances but
registers debit/credit entries)
--
Javier
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