package Catmandu::FixCondition::exists;
use Catmandu::Sane;
use Catmandu::Util qw(:data);
use Moo;
with 'Catmandu::FixCondition';
has path => (is => 'ro', required => 1);
has key => (is => 'ro', required => 1);
around BUILDARGS => sub {
my ($orig, $class, $path) = @_;
my ($p, $key) = parse_data_path($path);
$orig->($class, path => $p, key => $key);
};
sub is_fixable {
my ($self, $data) = @_;
my $key = $self->key;
for my $match (grep ref, data_at($self->path, $data)) {
return 1 if get_data($match, $key);
}
0;
}
=head1 NAME
Catmandu::FixCondition::exists - only execute fixes if the path exists
=head1 SYNOPSIS
# uppercase the value of field 'foo' if the field 'oogly' exists
if_exists('oogly');
upcase('foo'); # foo => 'BAR'
end()
# inverted
unless_exists('oogly');
upcase('foo'); # foo => 'bar'
end()
=head1 SEE ALSO
L<Catmandu::Fix>
=cut
1;