+ if (!exists $tk_info->{$taxzone}->{$is_sales}->{$date}) {
+ $tk_info->{$taxzone}->{$is_sales}->{$date} =
+ $self->get_chart(type => $is_sales ? 'income' : 'expense', taxzone => $taxzone)
+ ->load
+ ->get_active_taxkey($date);
+ }
+
+ return $tk_info->{$taxzone}->{$is_sales}->{$date};
+}
+
+sub get_chart {
+ my ($self, %params) = @_;
+
+ 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};