$self->{attachment_filename} ||= $self->generate_attachment_filename;
my $file_obj = $self->store_pdf($self);
$self->{print_file_id} = $file_obj->id if $file_obj;
$self->{attachment_filename} ||= $self->generate_attachment_filename;
my $file_obj = $self->store_pdf($self);
$self->{print_file_id} = $file_obj->id if $file_obj;