2009/3/11 Dan Dascalescu <ddascalescu+for...@gmail.com>:
>> And the class would be something like this:
>>
>> package HTML::FormFu::Validator::MyApp::UniqueURL;
>> use strict;
>> use warnings;
>> use base 'HTML::FormFu::Validator';
>>
>> sub validate_value {
>> my ( $self, $value, $params ) = @_;
>>
>> my $c = $self->form->stash->{context};
>>
>> return $c->model('DBIC::Urls')->validator_unique_url($value);
>> }
>>
>> 1;
>
> Thanks Carl, that looks like a great solution. There's only one thing
> I need to figure out before I can ditch the callback approach:
>
> How to pass a custom error message to the validator?
>
> Right now I have:
>
> my $validator_alias = $field_alias->get_validator({ type => 'Callback' });
> $validator_alias->callback(sub{
> my $value = shift;
> return 1 if $c->model('DIBC::Urls')->validator_unique_alias($value);
> # here, validation failed
> my $existing_url_full = $c->model('DIBC::Urls')->find({alias
> => $value})->url_full;
> # add a hyperlink to the full URL in the error message
> $validator_alias->message(
> $validator_alias->message . ": <a
> href=\"$existing_url_full\">" . $c->req->base . $value . '</a>'
> );
> return 0;
> });
>
> Could validators return their own error messages somehow?
Instead of returning 0 on error, do:
die HTML::FormFu::Exception::Validator->new({
message => 'foo',
});
This won't modify the validator's message, only that specific error's.
Hope that's what you're after.
Carl
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