use strict;
use base 'FS::TaxEngine';
use FS::Record qw(dbh qsearch qsearchs);
+use FS::Conf;
+use vars qw( $conf );
+
+FS::UID->install_callback(sub {
+ $conf = FS::Conf->new;
+});
=head1 SUMMARY
push @{ $self->{items} }, $cust_bill_pkg;
- my $location = $cust_pkg->tax_location; # cacheable?
-
- 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_pkg->taxclass;
+ $taxhash{'taxclass'} = $part_item->taxclass;
my @taxes = (); # entries are cust_main_county objects
my %taxhash_elim = %taxhash;
my $taxnum = $tax_object->taxnum;
my $exemptions = $self->{exemptions}->{$taxnum} ||= [];
- my $name = $tax_object->taxname || 'Tax';
- my $taxable_cents = 0;
+ my $taxable_total = 0;
my $tax_cents = 0;
+ my $round_per_line_item = $conf->exists('tax-round_per_line_item');
+
my $cust_main = $self->{cust_main};
my $custnum = $cust_main->custnum;
my $invoice_time = $self->{invoice_time};
push @existing_exemptions, @{ $_->cust_tax_exempt_pkg }
foreach @$taxables;
- my $tax_item = FS::cust_bill_pkg->new({
- 'pkgnum' => 0,
- 'recur' => 0,
- 'sdate' => '',
- 'edate' => '',
- 'itemdesc' => $name,
- });
- my @tax_location;
+ my @tax_links;
foreach my $cust_bill_pkg (@$taxables) {
year => $year,
month => $mon,
});
+
$taxable_charged -= $addl;
}
# if they're using multiple months of exemption for a multi-month
}
} # 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 $this_tax_cents = int($taxable_charged * $tax_object->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.
+ $this_tax_cents = sprintf('%.0f', $this_tax_cents);
+ } else {
+ # Otherwise truncate it so that rounding error is always positive.
+ $this_tax_cents = int($this_tax_cents);
+ }
+
my $location = FS::cust_bill_pkg_tax_location->new({
'taxnum' => $tax_object->taxnum,
'taxtype' => ref($tax_object),
'pkgnum' => $cust_bill_pkg->pkgnum,
'locationnum' => $cust_bill_pkg->cust_pkg->tax_locationnum,
'taxable_cust_bill_pkg' => $cust_bill_pkg,
- 'tax_cust_bill_pkg' => $tax_item,
});
- push @tax_location, $location;
+ push @tax_links, $location;
- $taxable_cents += $taxable_charged;
+ $taxable_total += $taxable_charged;
$tax_cents += $this_tax_cents;
} #foreach $cust_bill_pkg
- # now round and distribute
- 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.
+ if ( $round_per_line_item ) {
+ $extra_cents = 0;
+ }
+
if ( $extra_cents < 0 ) {
die "nonsense extra_cents value $extra_cents";
}
$tax_cents += $extra_cents;
my $i = 0;
- foreach (@tax_location) { # can never require more than a single pass, yes?
+ foreach (@tax_links) { # can never require more than a single pass, yes?
my $cents = $_->get('cents');
if ( $extra_cents > 0 ) {
$cents++;
}
$_->set('amount', sprintf('%.2f', $cents/100));
}
- $tax_item->set('setup' => sprintf('%.2f', $tax_cents / 100));
- $tax_item->set('cust_bill_pkg_tax_location', \@tax_location);
- return $tax_item;
+ return @tax_links;
}
sub info {