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Man Pages


Manual Reference Pages  -  HTML::FORMFU::VALIDATOR (3)

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NAME

HTML::FormFu::Validator - Validator Base Class

CONTENTS

SYNOPSIS

DESCRIPTION

METHODS

CORE VALIDATORS

BEST PRACTICES

Try to avoid using callbacks if possible. Below is a more maintainable and reusable approach, which also keeps the code out of the controller.

A normal application’s directory would contain:



    lib/HTML/FormFu/Constraint/MyApp/
    lib/HTML/FormFu/Validator/MyApp/
    lib/HTML/FormFu/Plugin/MyApp/
    etc.



Then, the form config file would just need:



    validator: MyApp::SomeValidator



And the class would be something like this:



    package HTML::FormFu::Validator::MyApp::SomeValidator;
    use Moose;
    extends HTML::FormFu::Validator;

    sub validate_value {
        my ( $self, $value, $params ) = @_;

        my $c = $self->form->stash->{context};

        return 1 if $c->model(DBIC)->is_valid($value);

        # assuming you want to return a custom error message
        # which perhaps includes something retrieved from the model
        # otherwise, just return 0
        die HTML::FormFu::Exception::Validator->new({
            message => custom error message,
        });
    }

    1;



HTML::FormFu::Validator::Callback

AUTHOR

Carl Franks, cfranks@cpan.org

LICENSE

This library is free software, you can redistribute it and/or modify it under the same terms as Perl itself.
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perl v5.20.3 HTML::FORMFU::VALIDATOR (3) 2014-05-05

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