Rundungsfehler bei periodischen Rechnungen mit Einzelpreisen ...

[kivitendo-erp.git] / SL / DB / Helper / PriceTaxCalculator.pm

diff --git a/SL/DB/Helper/PriceTaxCalculator.pm b/SL/DB/Helper/PriceTaxCalculator.pm
index 29c78f6..ed485c1 100644 (file)
--- a/SL/DB/Helper/PriceTaxCalculator.pm
+++ b/SL/DB/Helper/PriceTaxCalculator.pm
@@ -6,14 +6,21 @@ use parent qw(Exporter);
 our @EXPORT = qw(calculate_prices_and_taxes);
 
 use Carp;
-use List::Util qw(sum min);
-use SL::DB::Default;
-use SL::DB::PriceFactor;
-use SL::DB::Unit;
+use List::Util qw(sum min max);
 
 sub calculate_prices_and_taxes {
   my ($self, %params) = @_;
 
+  require SL::DB::Chart;
+  require SL::DB::Currency;
+  require SL::DB::Default;
+  require SL::DB::InvoiceItem;
+  require SL::DB::Part;
+  require SL::DB::PriceFactor;
+  require SL::DB::Unit;
+
+  SL::DB::Part->load_cached(map { $_->parts_id } @{ $self->items });
+
   my %units_by_name       = map { ( $_->name => $_ ) } @{ SL::DB::Manager::Unit->get_all        };
   my %price_factors_by_id = map { ( $_->id   => $_ ) } @{ SL::DB::Manager::PriceFactor->get_all };
 
@@ -37,6 +44,8 @@ sub calculate_prices_and_taxes {
   $self->netamount(  0);
   $self->marge_total(0);
 
+  SL::DB::Manager::Chart->cache_taxkeys(date => $self->transdate);
+
   my $idx = 0;
   foreach my $item ($self->items) {
     $idx++;
@@ -53,8 +62,9 @@ sub calculate_prices_and_taxes {
 sub _get_exchangerate {
   my ($self, $data, %params) = @_;
 
-  if (($self->curr || '') ne SL::DB::Default->get_default_currency) {
-    $data->{exchangerate}   = $::form->check_exchangerate(\%::myconfig, $self->curr, $self->transdate, $data->{is_sales} ? 'buy' : 'sell');
+  my $currency = $self->currency_id ? SL::DB::Currency->load_cached($self->currency_id)->name || '' : '';
+  if ($currency ne SL::DB::Default->get_default_currency) {
+    $data->{exchangerate}   = $::form->check_exchangerate(\%::myconfig, $currency, $self->transdate, $data->{is_sales} ? 'buy' : 'sell');
     $data->{exchangerate} ||= $params{exchangerate};
   }
   $data->{exchangerate} ||= 1;
@@ -63,21 +73,22 @@ sub _get_exchangerate {
 sub _calculate_item {
   my ($self, $item, $idx, $data, %params) = @_;
 
-  my $part_unit  = $data->{units_by_name}->{ $item->part->unit };
-  my $item_unit  = $data->{units_by_name}->{ $item->unit       };
+  my $part       = SL::DB::Part->load_cached($item->parts_id);
+  my $part_unit  = $data->{units_by_name}->{ $part->unit };
+  my $item_unit  = $data->{units_by_name}->{ $item->unit };
 
-  croak("Undefined unit " . $item->part->unit) if !$part_unit;
+  croak("Undefined unit " . $part->unit) if !$part_unit;
   croak("Undefined unit " . $item->unit)       if !$item_unit;
 
   $item->base_qty($item_unit->convert_to($item->qty, $part_unit));
-  $item->fxsellprice($item->sellprice);
+  $item->fxsellprice($item->sellprice) if $data->{is_invoice};
 
-  my $num_dec   = _num_decimal_places($item->sellprice);
+  my $num_dec   = max 2, _num_decimal_places($item->sellprice);
   my $discount  = _round($item->sellprice * ($item->discount || 0), $num_dec);
   my $sellprice = _round($item->sellprice - $discount,              $num_dec);
 
   $item->price_factor(      ! $item->price_factor_obj   ? 1 : ($item->price_factor_obj->factor   || 1));
-  $item->marge_price_factor(! $item->part->price_factor ? 1 : ($item->part->price_factor->factor || 1));
+  $item->marge_price_factor(! $part->price_factor ? 1 : ($part->price_factor->factor || 1));
   my $linetotal = _round($sellprice * $item->qty / $item->price_factor, 2) * $data->{exchangerate};
   $linetotal    = _round($linetotal,                                    2);
 
@@ -88,16 +99,17 @@ sub _calculate_item {
     $item->marge_percent(0);
 
   } else {
-    my $lastcost = ! ($item->lastcost * 1) ? ($item->part->lastcost || 0) : $item->lastcost;
+    my $lastcost       = ! ($item->lastcost * 1) ? ($part->lastcost || 0) : $item->lastcost;
+    my $linetotal_cost = _round($lastcost * $item->qty / $item->marge_price_factor, 2);
 
-    $item->marge_total(  $linetotal - $lastcost / $item->marge_price_factor);
+    $item->marge_total(  $linetotal - $linetotal_cost);
     $item->marge_percent($item->marge_total * 100 / $linetotal);
 
     $self->marge_total(  $self->marge_total + $item->marge_total);
-    $data->{lastcost_total} += $lastcost;
+    $data->{lastcost_total} += $linetotal_cost;
   }
 
-  my $taxkey     = $item->part->get_taxkey(date => $self->transdate, is_sales => $data->{is_sales}, taxzone => $self->taxzone_id);
+  my $taxkey     = $part->get_taxkey(date => $self->transdate, is_sales => $data->{is_sales}, taxzone => $self->taxzone_id);
   my $tax_rate   = $taxkey->tax->rate;
   my $tax_amount = undef;
 
@@ -109,20 +121,27 @@ sub _calculate_item {
     $tax_amount = $linetotal * $tax_rate;
   }
 
-  $data->{taxes}->{ $taxkey->tax->chart_id } ||= 0;
-  $data->{taxes}->{ $taxkey->tax->chart_id }  += $tax_amount;
+  if ($taxkey->tax->chart_id) {
+    $data->{taxes}->{ $taxkey->tax->chart_id } ||= 0;
+    $data->{taxes}->{ $taxkey->tax->chart_id }  += $tax_amount;
+  } elsif ($tax_amount) {
+    die "tax_amount != 0 but no chart_id for taxkey " . $taxkey->id . " tax " . $taxkey->tax->id;
+  }
 
   $self->netamount($self->netamount + $sellprice * $item->qty / $item->price_factor);
 
-  my $chart = $item->part->get_chart(type => $data->{is_sales} ? 'income' : 'expense', taxzone => $self->taxzone_id);
-  $data->{amounts}->{ $chart->id }           ||= { taxkey => $taxkey->taxkey_id, amount => 0 };
+  my $chart = $part->get_chart(type => $data->{is_sales} ? 'income' : 'expense', taxzone => $self->taxzone_id);
+  $data->{amounts}->{ $chart->id }           ||= { taxkey => $taxkey->taxkey_id, tax_id => $taxkey->tax_id, amount => 0 };
   $data->{amounts}->{ $chart->id }->{amount}  += $linetotal;
+  $data->{amounts}->{ $chart->id }->{amount}  -= $tax_amount if $self->taxincluded;
 
   push @{ $data->{assembly_items} }, [];
-  if ($item->part->is_assembly) {
-    _calculate_assembly_item($self, $data, $item->part, $item->base_qty, $item->unit_obj->convert_to(1, $item->part->unit_obj));
-  } elsif ($item->part->is_part) {
-    $item->allocated(_calculate_part_item($self, $data, $item->part, $item->base_qty, $item->unit_obj->convert_to(1, $item->part->unit_obj)));
+  if ($part->is_assembly) {
+    _calculate_assembly_item($self, $data, $part, $item->base_qty, $item_unit->convert_to(1, $part_unit));
+  } elsif ($part->is_part) {
+    if ($data->{is_invoice}) {
+      $item->allocated(_calculate_part_item($self, $data, $part, $item->base_qty, $item_unit->convert_to(1, $part_unit)));
+    }
   }
 
   $data->{last_incex_chart_id} = $chart->id if $data->{is_sales};
@@ -163,7 +182,7 @@ sub _calculate_amounts {
 sub _calculate_assembly_item {
   my ($self, $data, $part, $total_qty, $base_factor) = @_;
 
-  return 0 if $::lx_office_conf{system}->{eur} || !$data->{is_invoice};
+  return 0 if $::instance_conf->get_inventory_system eq 'periodic' || !$data->{is_invoice};
 
   foreach my $assembly_entry (@{ $part->assemblies }) {
     push @{ $data->{assembly_items}->[-1] }, { part      => $assembly_entry->part,
@@ -184,7 +203,7 @@ sub _calculate_part_item {
 
   _dbg("cpsi tq " . $total_qty);
 
-  return 0 if $::lx_office_conf{system}->{eur} || !$data->{is_invoice} || !$total_qty;
+  return 0 if $::instance_conf->get_inventory_system eq 'periodic' || !$data->{is_invoice} || !$total_qty;
 
   my ($entry);
   $base_factor           ||= 1;
@@ -225,7 +244,7 @@ sub _num_decimal_places {
 }
 
 sub _dbg {
-  $::lxdebug->message(0, join(' ', @_));
+  # $::lxdebug->message(0, join(' ', @_));
 }
 
 1;