- foreach my $type(qw(inventory income expense)) {
- $charts{$type}->{chart} ||= $charts{$type}->{id} ? SL::DB::Manager::Chart->find_by(id => $charts{$type}->{id}) : undef if $charts{$type}->{id};
+ my $type = (any { $_ eq $params{type} } qw(income expense inventory)) ? $params{type} : croak("Invalid 'type' parameter '$params{type}'");
+ my $taxzone = $params{ defined($params{taxzone}) ? 'taxzone' : 'taxzone_id' } * 1;
+
+ $self->{__partpriv_get_chart_id} ||= { };
+ my $charts = $self->{__partpriv_get_chart_id};
+
+ $charts->{$taxzone} ||= { };
+
+ if (!exists $charts->{$taxzone}->{$type}) {
+ my $bugru = $self->buchungsgruppe;
+ my $chart_id = ($type eq 'inventory') ? ($self->inventory_accno_id ? $bugru->inventory_accno_id : undef)
+ : $bugru->call_sub("${type}_accno_id_${taxzone}");
+
+ $charts->{$taxzone}->{$type} = $chart_id ? SL::DB::Chart->new(id => $chart_id)->load : undef;