[html-formfu] Automatic constraints from DBIC data types

[Mario Minati]

On Wednesday 10 October 2007 13:46:25 Zbigniew Lukasiak wrote:
> Hi there,
>
> I can start work on the DBIC constraints - but I am still hesitating
> about the api.  I've started with a subroutine that works similarly to
> the other HTML::FormFu::DBIC subs:
>
> constraints_from_dbic( $dbic, $form );
>
> It would just scan all form fields and add the constraints from the
> $dbic row.  The problem I see is with configuration - since normal
> constraints are added from the yaml config like:
>
> elements:
>       - type: Text
>         name: foo
>         constraints:
>           - type: Length
>             min: 8
>
> So this would be a bit different.  We could also have something like:
> elements:
>       - type: Text
>         name: foo
>         constraints:
>           - type: Length
>             min: 8
>           - type: From_DBIC
>             dbic_field: foofoo
>
> But then when converting from a vanilla FormFu to FormFu::DBIC you
> would have to edit the whole yaml config.
>
> Hmm.  Which one do  you prefer? Any other api ideas?

I'd rather prefer the first one as it's more intuitive.
Maybe we can add the attribute 'dbic_field' to Element so we can handle this 
case, too.

Greets,
Mario