+
+ return 0 unless $self->freq =~ /^\d+$/ && $self->freq > 0;
+
+ sprintf('%.2f', $self->base_recur($cust_pkg) / $self->freq );
+}
+
+sub usageprice_recur {
+ my($self, $cust_pkg, $sdate) = @_;
+
+ my $recur = 0;
+ $recur += $_->price foreach $cust_pkg->cust_pkg_usageprice;
+
+ sprintf('%.2f', $recur);
+}
+
+sub calc_cancel {
+ my $self = shift;
+ my $conf = new FS::Conf;
+ if ( $self->recur_temporality eq 'preceding'
+ and $self->option('bill_recur_on_cancel', 1) ) {
+ # run another recurring cycle
+ return $self->calc_recur(@_);
+ }
+ elsif ( $conf->exists('bill_usage_on_cancel') # should be a package option?
+ and $self->can('calc_usage') ) {
+ # bill for outstanding usage
+ return $self->calc_usage(@_);
+ }
+ 0;
+}
+
+sub calc_remain {
+ my ($self, $cust_pkg, %options) = @_;
+
+ my $time;
+ if ($options{'time'}) {
+ $time = $options{'time'};
+ } else {
+ $time = time;
+ }
+
+ my $next_bill = $cust_pkg->getfield('bill') || 0;
+
+ return 0 if ! $self->base_recur($cust_pkg, \$time)
+ || ! $next_bill
+ || $next_bill < $time;
+
+ # Use actual charge for this period, not base_recur (for discounts).
+ # Use sdate < $time and edate >= $time because when billing on
+ # cancellation, edate = $time.
+ my $credit = 0;
+ foreach my $item (
+ qsearch('cust_bill_pkg', {
+ pkgnum => $cust_pkg->pkgnum,
+ sdate => {op => '<' , value => $time},
+ edate => {op => '>=', value => $time},
+ recur => {op => '>' , value => 0},
+ })
+ ) {
+ # hack to deal with the weird behavior of edate on package cancellation
+ my $edate = $item->edate;
+ if ( $self->recur_temporality eq 'preceding' ) {
+ $edate = $self->add_freq($item->sdate);
+ }
+ $credit += ($item->recur - $item->usage) *
+ ($edate - $time) / ($edate - $item->sdate);
+ }
+ sprintf('%.2f', $credit);
+ #sprintf("%.2f", $self->base_recur($cust_pkg, \$time) * ( $next_bill - $time ) / $freq_sec );
+