+# autogenerated accessor is slightly off...
+sub buchungsgruppe {
+ shift->buchungsgruppen(@_);
+}
+
+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;
+ my $tk_info = $::request->cache('get_taxkey');
+
+ $tk_info->{$self->id} //= {};
+ $tk_info->{$self->id}->{$taxzone} //= { };
+ my $cache = $tk_info->{$self->id}->{$taxzone}->{$is_sales} //= { };
+
+ if (!exists $cache->{$date}) {
+ $cache->{$date} =
+ $self->get_chart(type => $is_sales ? 'income' : 'expense', taxzone => $taxzone)
+ ->get_active_taxkey($date);
+ }
+
+ return $cache->{$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;
+
+ my $charts = $::request->cache('get_chart_id/by_part_id_and_taxzone')->{$self->id} //= {};
+ my $all_charts = $::request->cache('get_chart_id/by_id');
+
+ $charts->{$taxzone} ||= { };
+
+ if (!exists $charts->{$taxzone}->{$type}) {
+ require SL::DB::Buchungsgruppe;
+ my $bugru = SL::DB::Buchungsgruppe->load_cached($self->buchungsgruppen_id);
+ my $chart_id = ($type eq 'inventory') ? ($self->is_part ? $bugru->inventory_accno_id : undef)
+ : $bugru->call_sub("${type}_accno_id", $taxzone);
+
+ if ($chart_id) {
+ my $chart = $all_charts->{$chart_id} // SL::DB::Chart->load_cached($chart_id)->load;
+ $all_charts->{$chart_id} = $chart;
+ $charts->{$taxzone}->{$type} = $chart;
+ }
+ }
+
+ return $charts->{$taxzone}->{$type};
+}
+
+sub get_stock {
+ my ($self, %params) = @_;
+
+ return undef unless $self->id;
+
+ my $query = 'SELECT SUM(qty) FROM inventory WHERE parts_id = ?';
+ my @values = ($self->id);
+
+ if ( $params{bin_id} ) {
+ $query .= ' AND bin_id = ?';
+ push(@values, $params{bin_id});
+ }
+
+ if ( $params{warehouse_id} ) {
+ $query .= ' AND warehouse_id = ?';
+ push(@values, $params{warehouse_id});
+ }
+
+ if ( $params{shippingdate} ) {
+ die unless ref($params{shippingdate}) eq 'DateTime';
+ $query .= ' AND shippingdate <= ?';
+ push(@values, $params{shippingdate});
+ }
+
+ my ($stock) = selectrow_query($::form, $self->db->dbh, $query, @values);
+
+ return $stock || 0; # never return undef
+};
+
+
+# this is designed to ignore chargenumbers, expiration dates and just give a list of how much <-> where
+sub get_simple_stock {
+ my ($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 => $_[0]->{bin_id}) }
+}
+
+sub get_simple_stock_sql {
+ my ($self, %params) = @_;
+
+ return [] unless $self->id;