$class = $::form->{vc} eq 'customer' ? 'Invoice'
: $::form->{vc} eq 'vendor' ? 'PurchaseInvoice'
: do { die 'unknown invoice type' };
$class = $::form->{vc} eq 'customer' ? 'Invoice'
: $::form->{vc} eq 'vendor' ? 'PurchaseInvoice'
: do { die 'unknown invoice type' };