File Coverage

blib/lib/Mojolicious/Plugin/Validator.pm

Criterion	Covered	Total	%
statement	52	56	92.8
branch	11	18	61.1
condition	4	10	40.0
subroutine	11	12	91.6
pod	1	1	100.0
total	79	97	81.4

package Mojolicious::Plugin::Validator;

use strict;
use warnings;

use base 'Mojolicious::Plugin';

use Mojo::ByteStream;
use Mojo::Loader;
use MojoX::Validator;

require Carp;

sub register {
    my ($self, $app, $conf) = @_;

    $conf ||= {};

    $app->helper(
        create_validator => sub {
            my $self       = shift;
            my $class_name = shift;

            $class_name ||= 'MojoX::Validator';

            unless ($class_name =~ m/[A-Z]/) {
                my $namespace = ref($self->app) . '::';
                $namespace = '' if $namespace =~ m/^Mojolicious::Lite/;

                $class_name = join '' => $namespace,
                  Mojo::ByteStream->new($class_name)->camelize;
            }

            my $e = Mojo::Loader->new->load($class_name);

            Carp::croak qq/Can't load validator '$class_name': / . $e->message
              if ref $e;

            Carp::croak qq/Can't find validator '$class_name'/ if $e;

            Carp::croak qq/Wrong validator '$class_name' isa/
              unless $class_name->isa('MojoX::Validator');

            return $class_name->new(%$conf, @_);
        }
    );

    $app->helper(
        validate => sub {
            my $self      = shift;
            my $validator = shift;
            my $params    = shift;

            $params ||= $self->req->params->to_hash;

            return 1 if $validator->validate($params);

            $self->stash(validator_errors => $validator->errors);
            $self->stash(validator_has_unknown_params =>
                  $validator->has_unknown_params);

            return;
        }
    );

    $app->helper(validator_has_unknown_params =>
          sub { shift->stash('validator_has_unknown_params') });

    $app->helper(
        validator_has_errors => sub {
            my $self = shift;

            my $errors = $self->stash('validator_errors');

            return 0 if !$errors || !keys %$errors;

            return 1;
        }
    );

    $app->helper(
        validator_error => sub {
            my $self = shift;
            my $name = shift;

            return unless my $errors = $self->stash('validator_errors');

            return unless my $message = $errors->{$name};

            return $self->tag('div' => class => 'error' => sub {$message});
        }
    );
}

1;
__END__