-=item discount_terms
-
-Returns a list of lengths for term discounts
-
-=cut
-
-sub _discount_pkgs_and_bill {
-my $self = shift;
-
- my @cust_bill = $self->cust_bill;
- my $cust_bill = pop @cust_bill;
- return () unless $cust_bill && $cust_bill->owed;
-
- my @where = ();
- push @where, "cust_bill_pkg.invnum = ". $cust_bill->invnum;
- push @where, "cust_bill_pkg.pkgpart_override IS NULL";
- push @where, "part_pkg.freq = '1'";
- push @where, "(cust_pkg.cancel IS NULL OR cust_pkg.cancel = 0)";
- push @where, "(cust_pkg.susp IS NULL OR cust_pkg.susp = 0)";
- push @where, "0<(SELECT count(*) FROM part_pkg_discount
- WHERE part_pkg.pkgpart = part_pkg_discount.pkgpart)";
- push @where,
- "0=(SELECT count(*) FROM cust_bill_pkg_discount
- WHERE cust_bill_pkg.billpkgnum = cust_bill_pkg_discount.billpkgnum)";
-
- my $extra_sql = 'WHERE '. join(' AND ', @where);
-
- my @cust_pkg =
- qsearch({
- 'table' => 'cust_pkg',
- 'select' => "DISTINCT cust_pkg.*",
- 'addl_from' => 'JOIN cust_bill_pkg USING(pkgnum) '.
- 'JOIN part_pkg USING(pkgpart)',
- 'hashref' => {},
- 'extra_sql' => $extra_sql,
- });
-
- ($cust_bill, @cust_pkg);
-}
-
-sub _discountable_pkgs_at_term {
- my ($term, @pkgs) = @_;
- my $part_pkg = new FS::part_pkg { freq => $term - 1 };
- grep { ( !$_->adjourn || $_->adjourn > $part_pkg->add_freq($_->bill) ) &&
- ( !$_->expire || $_->expire > $part_pkg->add_freq($_->bill) )
- }
- @pkgs;
-}
-
-=item discount_terms
-
-Returns a list of lengths for term discounts
-
-=cut
-
-sub discount_terms {
-my $self = shift;
-
- my %terms = ();
-
- my @discount_pkgs = $self->_discount_pkgs_and_bill;
- shift @discount_pkgs; #discard bill;
-
- map { $terms{$_->months} = 1 }
- grep { $_->months && $_->months > 1 }
- map { $_->discount }
- map { $_->part_pkg->part_pkg_discount }
- @discount_pkgs;
-
- return sort { $a <=> $b } keys %terms;
-
-}
-
-=back
-
-=item discount_term_values MONTHS
-
-Returns a list with credit, dollar amount saved, and total bill acheived
-by prepaying the most recent invoice for MONTHS.
-
-=cut
-
-sub discount_term_values {
- my $self = shift;
- my $term = shift;
-
- local($DEBUG) = $FS::cust_main::DEBUG if $FS::cust_main::DEBUG > $DEBUG;
-
- warn "$me discount_term_values called with $term\n" if $DEBUG;
-
- my %result = ();
-
- my @packages = $self->_discount_pkgs_and_bill;
- my $cust_bill = shift(@packages);
- @packages = _discountable_pkgs_at_term( $term, @packages );
- return () unless scalar(@packages);
-
- $_->bill($_->last_bill) foreach @packages;
- my @final = map { new FS::cust_pkg { $_->hash } } @packages;
-
- my %options = (
- 'recurring_only' => 1,
- 'no_usage_reset' => 1,
- 'no_commit' => 1,
- );
-
- my %params = (
- 'return_bill' => [],
- 'pkg_list' => \@packages,
- 'time' => $cust_bill->_date,
- );
-
- my $error = $self->bill(%options, %params);
- die $error if $error; # XXX think about this a bit more
-
- my $credit = 0;
- $credit += $_->charged foreach @{$params{return_bill}};
- $credit = sprintf('%.2f', $credit);
- warn "$me discount_term_values $term credit: $credit\n" if $DEBUG;
-
- %params = (
- 'return_bill' => [],
- 'pkg_list' => \@packages,
- 'time' => $packages[0]->part_pkg->add_freq($cust_bill->_date)
- );
-
- $error = $self->bill(%options, %params);
- die $error if $error; # XXX think about this a bit more
-
- my $next = 0;
- $next += $_->charged foreach @{$params{return_bill}};
- warn "$me discount_term_values $term next: $next\n" if $DEBUG;
-
- %params = (
- 'return_bill' => [],
- 'pkg_list' => \@final,
- 'time' => $cust_bill->_date,
- 'freq_override' => $term,
- );
-
- $error = $self->bill(%options, %params);
- die $error if $error; # XXX think about this a bit more
-
- my $final = $self->balance - $credit;
- $final += $_->charged foreach @{$params{return_bill}};
- $final = sprintf('%.2f', $final);
- warn "$me discount_term_values $term final: $final\n" if $DEBUG;
-
- my $savings = sprintf('%.2f', $self->balance + ($term - 1) * $next - $final);
-
- ( $credit, $savings, $final );
-
-}
-
-sub discount_terms_hash {
- my $self = shift;
-
- my %result = ();
- my @terms = $self->discount_terms;
- foreach my $term (@terms) {
- my @result = $self->discount_term_values($term);
- $result{$term} = [ @result ] if scalar(@result);
- }
-
- return %result;
-
-}
-