[Catalyst] Form validation in insert() and update()?

[Matt S Trout]

On Tue, May 15, 2007 at 01:04:42PM -0700, mla wrote:
> Okay, thanks very much for this. So in terms of the model constraints,
> you will validate everything twice. Once at the controller layer (where
> it leverages info from the model), and once in the model itself.
> 
> So you can interrogate the model to find out, for example, that the
> email column can't be longer than 100 characters and should match the
> pattern /@/ (just to keep it simple here).
> 
> Do you expose something like a Model->valid_email() method that can be
> used both within the model and from the controller?

my $tc = Model->meta->get_attribute('email')->type_constraint;

my $error = $tc->validate($value); # undef for 'value ok'

Here lies the joy of Moose everywhere :)

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