+ my $self = shift;
+ my($cust_pkg, $sdate, $details, $param ) = @_;
+
+ #my $last_bill = $cust_pkg->last_bill;
+ my $last_bill = $cust_pkg->get('last_bill'); #->last_bill falls back to setup
+
+ return 0
+ if $self->recur_temporality eq 'preceding' && !$last_bill;
+
+ my $charge = $self->base_recur($cust_pkg, $sdate);
+ # always treat cutoff_day as a list
+ if ( my @cutoff_day = $self->cutoff_day($cust_pkg) ) {
+ $charge = $self->calc_prorate(@_, @cutoff_day);
+ }
+ elsif ( $param->{freq_override} ) {
+ # XXX not sure if this should be mutually exclusive with sync_bill_date.
+ # Given the very specific problem that freq_override is meant to 'solve',
+ # it probably should.
+ $charge *= $param->{freq_override} if $param->{freq_override};
+ }
+
+ $charge += $self->usageprice_recur($cust_pkg, $sdate);
+ $cust_pkg->apply_usageprice(); #$sdate for prorating?
+
+ my $discount = $self->calc_discount($cust_pkg, $sdate, $details, $param);
+
+ sprintf( '%.2f', ($cust_pkg->quantity || 1) * ($charge - $discount) );
+}
+
+sub cutoff_day {
+ my $self = shift;
+ my $cust_pkg = shift;
+ if ( $self->option('sync_bill_date',1) ) {
+ my $next_bill = $cust_pkg->cust_main->next_bill_date;
+ if ( defined($next_bill) ) {
+ # careful here. if the prorate calculation is going to round to
+ # the nearest day, this needs to always return the same result
+ if ( $self->option('prorate_round_day', 1) ) {
+ my $hour = (localtime($next_bill))[2];
+ $next_bill += 64800 if $hour >= 12;
+ }
+ return (localtime($next_bill))[3];
+ }
+ }
+ return ();
+}
+
+sub base_recur {
+ my($self, $cust_pkg, $sdate) = @_;
+ $self->option('recur_fee', 1) || 0;
+}
+
+sub base_recur_permonth {
+ my($self, $cust_pkg) = @_;
+
+ 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 $self->calc_usage(@_);
+ } else {
+ return 'NOTHING'; # numerically zero, but has special meaning
+ }
+}
+
+sub calc_remain {
+ my ($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 $cust_bill_pkg (
+ 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 = $cust_bill_pkg->edate;
+ if ( $self->recur_temporality eq 'preceding' ) {
+ $edate = $self->add_freq($cust_bill_pkg->sdate);
+ }
+
+ my $amount = ($cust_bill_pkg->recur - $cust_bill_pkg->usage) *
+ ($edate - $time) / ($edate - $cust_bill_pkg->sdate);
+ $credit += $amount;
+
+ push @{ $options{'cust_credit_source_bill_pkg'} },
+ new FS::cust_credit_source_bill_pkg {
+ 'billpkgnum' => $cust_bill_pkg->billpkgnum,
+ 'amount' => sprintf('%.2f', $amount),
+ 'currency' => $cust_bill_pkg->cust_bill->currency,
+ }
+ if $options{'cust_credit_source_bill_pkg'};
+
+ }
+
+ sprintf('%.2f', $credit);
+