fix whitespace and case correctness of city names, #71501

[freeside.git] / FS / FS / TaxEngine / internal.pm

diff --git a/FS/FS/TaxEngine/internal.pm b/FS/FS/TaxEngine/internal.pm
index d2a5d7f..3e3e7e5 100644 (file)
--- a/FS/FS/TaxEngine/internal.pm
+++ b/FS/FS/TaxEngine/internal.pm
@@ -28,8 +28,10 @@ sub add_sale {
 
   push @{ $self->{items} }, $cust_bill_pkg;
 
-  my @loc_keys = qw( district city county state country );
-  my %taxhash = map { $_ => $location->get($_) } @loc_keys;
+  my %taxhash = map { $_ => $location->get($_) }
+                qw( district county state country );
+  # city names in cust_main_county are uppercase
+  $taxhash{'city'} = uc($location->get('city'));
 
   $taxhash{'taxclass'} = $part_item->taxclass;
 
@@ -66,7 +68,7 @@ sub taxline {
   my $taxnum = $tax_object->taxnum;
   my $exemptions = $self->{exemptions}->{$taxnum} ||= [];
   
-  my $taxable_cents = 0;
+  my $taxable_total = 0;
   my $tax_cents = 0;
 
   my $round_per_line_item = $conf->exists('tax-round_per_line_item');
@@ -244,6 +246,7 @@ sub taxline {
               year            => $year,
               month           => $mon,
             });
+
           $taxable_charged -= $addl;
         }
         # if they're using multiple months of exemption for a multi-month
@@ -257,16 +260,31 @@ sub taxline {
       }
     } # if exempt_amount
 
-    $_->taxnum($tax_object->taxnum) foreach @new_exemptions;
-
     # attach them to the line item
-    push @{ $cust_bill_pkg->cust_tax_exempt_pkg }, @new_exemptions;
+    foreach my $ex (@new_exemptions) {
+
+      $ex->set('taxnum', $taxnum);
+
+      if ( $cust_bill_pkg->billpkgnum ) {
+        # the exempted item is already inserted (it should be, these days) so
+        # insert the exemption record now:
+        $ex->set('billpkgnum', $cust_bill_pkg->billpkgnum);
+        my $error = $ex->insert;
+        return "inserting tax exemption record: $error" if $error;
+
+      } else {
+        # defer it until the item is inserted
+        push @{ $cust_bill_pkg->cust_tax_exempt_pkg }, $ex;
+      }
+    }
+
+    # and remember we've used the exemption
     push @existing_exemptions, @new_exemptions;
 
     $taxable_charged = sprintf( "%.2f", $taxable_charged);
     next if $taxable_charged == 0;
 
-    my $this_tax_cents = $taxable_charged * $self->tax;
+    my $this_tax_cents = $taxable_charged * $tax_object->tax;
     if ( $round_per_line_item ) {
       # Round the tax to the nearest cent for each line item, instead of
       # across the whole invoice.
@@ -286,15 +304,17 @@ sub taxline {
     });
     push @tax_links, $location;
 
-    $taxable_cents += $taxable_charged;
+    $taxable_total += $taxable_charged;
     $tax_cents += $this_tax_cents;
   } #foreach $cust_bill_pkg
 
-  # calculate tax and rounding error for the whole group
-  my $extra_cents = sprintf('%.2f', $taxable_cents * $tax_object->tax / 100)
-                            * 100 - $tax_cents;
-  # make sure we have an integer
-  $extra_cents = sprintf('%.0f', $extra_cents);
+  # calculate tax and rounding error for the whole group: total taxable
+  # amount times tax rate (as cents per dollar), minus the tax already
+  # charged
+  # and force 0.5 to round up
+  my $extra_cents = sprintf('%.0f',
+    ($taxable_total * $tax_object->tax) - $tax_cents + 0.00000001
+  );
 
   # if we're rounding per item, then ignore that and don't distribute any
   # extra cents.