+sub get_taxkey {
+ my ($self, %params) = @_;
+
+ my $date = $params{date} || DateTime->today_local;
+ my $is_sales = !!$params{is_sales};
+ my $taxzone = $params{ defined($params{taxzone}) ? 'taxzone' : 'taxzone_id' } * 1;
+
+ $self->{__partpriv_taxkey_information} ||= { };
+ my $tk_info = $self->{__partpriv_taxkey_information};
+
+ $tk_info->{$taxzone} ||= { };
+ $tk_info->{$taxzone}->{$is_sales} ||= { };
+
+ 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};
+
+ $charts->{$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;
+ }
+
+ return $charts->{$taxzone}->{$type};
+}
+
+# this is designed to ignore chargenumbers, expiration dates and just give a list of how much <-> where
+sub get_simple_stock {
+ my ($self, %params) = @_;
+
+ return [] unless $self->id;
+
+ my $query = <<'';
+ SELECT sum(qty), warehouse_id, bin_id FROM inventory WHERE parts_id = ?
+ GROUP BY warehouse_id, bin_id
+
+ my $stock_info = selectall_hashref_query($::form, $::form->get_standard_dbh, $query, $self->id);
+ [ map { bless $_, 'SL::DB::Part::SimpleStock'} @$stock_info ];
+}
+# helper class to have bin/warehouse accessors in stock result
+{ package SL::DB::Part::SimpleStock;
+ sub warehouse { require SL::DB::Warehouse; SL::DB::Manager::Warehouse->find_by_or_create(id => $_[0]->{warehouse_id}) }
+ sub bin { require SL::DB::Bin; SL::DB::Manager::Bin ->find_by_or_create(id => $_[0]->{bin_id}) }
+}
+
+sub long_description {
+ join ' ', grep $_, map $_[0]->$_, qw(partnumber description);
+}
+