Thank you for your reply.
I've try to use this code:
before_destroy :deletable
def deletable
unless products.blank?
raise "You can't destroy this invoice!"
end
end
but the message in the view is always "Request Failed (code 500,
Internal Error)".
What can I do?
Thank you for your help
On 7 Nov, 11:48, "Sergio Cambra .:: entreCables - Symbol Servicios
Informáticos S.L. ::." <[EMAIL PROTECTED]> wrote:
> El Thursday 06 November 2008 16:46:23 Stefano escribió:
>
>
>
> > Hi, I've a model called "Invoice" that :has_many products.
> > I've validate the destroy of one Invoice that control if the
> > invoice.products is empty (one invoice can't be deleted if contains
> > products).
> > Here the code:
> > -----------------------------------
> > before_destroy :deletable
>
> > def deletable
> > unless products == []
> > raise "You can't destroy this invoice!"
> > end
> > end
> > -------------------------------------
>
> > The validation is ok so in the view (managed by ActiveScaffold) if I
> > try to delete one invoice with some products associated, I receive the
> > message "Request Failed (code 500, Internal Error)" and not "You can't
> > destroy this invoice!".
> > How can I change the message?
> > Thank you
>
> ActionController callbacks must raise an exception or render or redirect to
> cancel the action, but ActiveRecord callbacks cancel actions returning false,
> so you should use:
>
> def deletable
> products.blank?
> end
> --
> Sergio Cambra .:: entreCables - Symbol Servicios Informáticos S.L. ::.
> Nicolás Guillén 6, locales 2 y 3. 50.018 Zaragoza
> T) 902 021 404 F) 976 52 98 07 E) [EMAIL PROTECTED]
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