Die derzeitige Umsetzung ist mMn falsch bei Überzahlungen, die sollten
auch offen sein.
See L<SL::DB::Object::basic_info>.
See L<SL::DB::Object::basic_info>.
+=item C<closed>
+
+Returns 1 or 0, depending on whether the invoice is closed or not. Currently
+invoices that are overpaid also count as closed.
+
=item C<recalculate_amounts %params>
Calculate and set amount and netamount from acc_trans objects by summing up the
=item C<recalculate_amounts %params>
Calculate and set amount and netamount from acc_trans objects by summing up the