new tax rating engine

[freeside.git] / FS / FS / part_pkg.pm

diff --git a/FS/FS/part_pkg.pm b/FS/FS/part_pkg.pm
index 84502b7..1e16f29 100644 (file)
--- a/FS/FS/part_pkg.pm
+++ b/FS/FS/part_pkg.pm
@@ -14,6 +14,8 @@ use FS::type_pkgs;
 use FS::part_pkg_option;
 use FS::pkg_class;
 use FS::agent;
+use FS::part_pkg_taxoverride;
+use FS::part_pkg_taxproduct;
 
 @ISA = qw( FS::m2m_Common FS::Record ); # FS::option_Common ); # this can use option_Common
                                                 # when all the plandata bs is
@@ -726,6 +728,65 @@ sub option {
   '';
 }
 
+=item part_pkg_taxoverride
+
+Returns all options as FS::part_pkg_taxoverride objects (see
+L<FS::part_pkg_taxoverride>).
+
+=cut
+
+sub part_pkg_taxoverride {
+  my $self = shift;
+  qsearch('part_pkg_taxoverride', { 'pkgpart' => $self->pkgpart } );
+}
+
+=item taxproduct_description
+
+Returns the description of the associated tax product for this package
+definition (see L<FS::part_pkg_taxproduct>).
+
+=cut
+
+sub taxproduct_description {
+  my $self = shift;
+  my $part_pkg_taxproduct =
+    qsearchs( 'part_pkg_taxproduct',
+              { 'taxproductnum' => $self->taxproductnum }
+            );
+  $part_pkg_taxproduct ? $part_pkg_taxproduct->description : '';
+}
+
+=item part_pkg_taxrate DATA_PROVIDER, GEOCODE
+
+Returns the package to taxrate m2m records for this package in the location
+specified by GEOCODE (see L<FS::part_pkg_taxrate> and ).
+
+=cut
+
+sub part_pkg_taxrate {
+  my $self = shift;
+  my ($data_provider, $geocode) = @_;
+
+  my $dbh = dbh;
+  # CCH oddness in m2m
+  my $extra_sql = 'AND ('.
+    join(' OR ', map{ 'geocode = '. $dbh->quote(substr($geocode, 0, $_)) }
+                 qw(10 5 2)
+        ).
+    ')';
+  my $order_by = 'ORDER BY taxclassnum, length(geocode) desc';
+  my $select   = 'DISTINCT ON(taxclassnum) *';
+
+  qsearch( { 'table'     => 'part_pkg_taxrate',
+             'select'    => 'distinct on(taxclassnum) *',
+             'hashref'   => { 'data_provider' => $data_provider,
+                              'taxproductnum' => $self->taxproductnum,
+                            },
+             'extra_sql' => $extra_sql,
+             'order_by'  => $order_by,
+         } );
+}
+
 =item _rebless
 
 Reblesses the object into the FS::part_pkg::PLAN class (if available), where