Yes, there are some solutions and you gave one of them: create the record id as a hidden field in your form.
Other solution can be using request.args(0) in your _validate_form() function. On Mon, Jul 15, 2013 at 8:01 AM, Jim Gregory <[email protected]> wrote: > I have a form with five text input boxes: > > form = FORM(*[INPUT('amount-%s' % i, _type='number') for i in range(5)], > INPUT(_type='submit')) > > The sum of these input boxes must equal the value of a field in a database > record. > > I would like to pass the database record as a parameter to the onvalidation > callback of the form, but as I understand it, this is not possible--the > onvalidation function can only be passed one argument, the function itself. > > So, instead, I have written a second function to check validation after the > form passes its initial validation: > > def _validate_form(form, record): > total = 0.0 > for f in request.vars: > if request.vars[f].startswith('amount-') and request.vars[f] != '': > total += float(request.vars[f]) > if total != record.total: > for f in request.vars: > if request.vars[f].startswith('amount-') and request.vars[f] != '': > form.errors[f] = 'total of amounts must equal record total' > return form.errors > > def test(): > record = db.table[request.args(0)] > form = FORM(*[INPUT('amount-%s' % i, _type='number') for i in > range(5)],INPUT(_type='submit')) > if form.validate(): > form.errors = _validate_form(form, record) > if not form.errors: > redirect('next_page') > return form > > The trouble I am having is the test--'form.errors' returns True (and hence > 'not form.errors' returns False) even when _validate_form returns an empty > form.errors Storage object. > > I don't understand why it does. How should I test for this condition > instead? > > Is there another way I could do this using the onvalidation function, other > than passing the record id as a hidden form field and doing the record > selection in the validation function? (In my actual application, the record > must be selected before the form is created.) > > -- > > --- > You received this message because you are subscribed to the Google Groups > "web2py-users" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > For more options, visit https://groups.google.com/groups/opt_out. > > -- --- You received this message because you are subscribed to the Google Groups "web2py-users" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/groups/opt_out.
