my ($self, $c, $productnr, @path) = @_;

    my ($self, $c, $productRef, @path) = @_;

    $productnr = 1 if !defined $productnr;

    $productRef = 1 if !defined $productRef;

    my $product = $c->stash->{build}->buildproducts->find({productnr => $productnr});
    notFound($c, "Build doesn't have a product #$productnr.") if !defined $product;

    my $product;
    if ($productRef =~ /^[0-9]+$/) {
        $product = $c->stash->{build}->buildproducts->find({productnr => $productRef});
    } else {
        $product = $c->stash->{build}->buildproducts->find({name => $productRef});
        @path = ($productRef, @path);
    }
    notFound($c, "Build doesn't have a product $productRef.") if !defined $product;