package FS::cust_bill_pkg;
+use base qw( FS::TemplateItem_Mixin FS::cust_main_Mixin FS::Record );
use strict;
-use vars qw( @ISA );
-use FS::Record qw( qsearch qsearchs dbdef dbh );
-use FS::cust_main_Mixin;
+use vars qw( @ISA $DEBUG $me );
+use Carp;
+use List::Util qw( sum );
+use Text::CSV_XS;
+use FS::Record qw( qsearch qsearchs dbh );
use FS::cust_pkg;
use FS::cust_bill;
use FS::cust_bill_pkg_detail;
+use FS::cust_bill_pkg_display;
+use FS::cust_bill_pkg_discount;
use FS::cust_bill_pay_pkg;
use FS::cust_credit_bill_pkg;
-
-@ISA = qw( FS::cust_main_Mixin FS::Record );
+use FS::cust_tax_exempt_pkg;
+use FS::cust_bill_pkg_tax_location;
+use FS::cust_bill_pkg_tax_rate_location;
+use FS::cust_tax_adjustment;
+use FS::cust_bill_pkg_void;
+use FS::cust_bill_pkg_detail_void;
+use FS::cust_bill_pkg_display_void;
+use FS::cust_bill_pkg_discount_void;
+use FS::cust_bill_pkg_tax_location_void;
+use FS::cust_bill_pkg_tax_rate_location_void;
+use FS::cust_tax_exempt_pkg_void;
+
+
+$DEBUG = 0;
+$me = '[FS::cust_bill_pkg]';
=head1 NAME
$error = $record->insert;
- $error = $new_record->replace($old_record);
-
- $error = $record->delete;
-
$error = $record->check;
=head1 DESCRIPTION
=over 4
-=item billpkgnum - primary key
+=item billpkgnum
+
+primary key
+
+=item invnum
+
+invoice (see L<FS::cust_bill>)
+
+=item pkgnum
+
+package (see L<FS::cust_pkg>) or 0 for the special virtual sales tax package, or -1 for the virtual line item (itemdesc is used for the line)
+
+=item pkgpart_override
+
+optional package definition (see L<FS::part_pkg>) override
+
+=item setup
+
+setup fee
+
+=item recur
+
+recurring fee
+
+=item sdate
+
+starting date of recurring fee
+
+=item edate
-=item invnum - invoice (see L<FS::cust_bill>)
+ending date of recurring fee
-=item pkgnum - package (see L<FS::cust_pkg>) or 0 for the special virtual sales tax package, or -1 for the virtual line item (itemdesc is used for the line)
+=item itemdesc
-=item setup - setup fee
+Line item description (overrides normal package description)
-=item recur - recurring fee
+=item quantity
-=item sdate - starting date of recurring fee
+If not set, defaults to 1
-=item edate - ending date of recurring fee
+=item unitsetup
-=item itemdesc - Line item description (currentlty used only when pkgnum is 0 or -1)
+If not set, defaults to setup
+
+=item unitrecur
+
+If not set, defaults to recur
+
+=item hidden
+
+If set to Y, indicates data should not appear as separate line item on invoice
=back
sub table { 'cust_bill_pkg'; }
+sub detail_table { 'cust_bill_pkg_detail'; }
+sub display_table { 'cust_bill_pkg_display'; }
+sub discount_table { 'cust_bill_pkg_discount'; }
+#sub tax_location_table { 'cust_bill_pkg_tax_location'; }
+#sub tax_rate_location_table { 'cust_bill_pkg_tax_rate_location'; }
+#sub tax_exempt_pkg_table { 'cust_tax_exempt_pkg'; }
+
=item insert
Adds this line item to the database. If there is an error, returns the error,
return $error;
}
- unless ( defined dbdef->table('cust_bill_pkg_detail') && $self->get('details') ) {
- $dbh->commit or die $dbh->errstr if $oldAutoCommit;
- return '';
+ if ( $self->get('details') ) {
+ foreach my $detail ( @{$self->get('details')} ) {
+ $detail->billpkgnum($self->billpkgnum);
+ $error = $detail->insert;
+ if ( $error ) {
+ $dbh->rollback if $oldAutoCommit;
+ return "error inserting cust_bill_pkg_detail: $error";
+ }
+ }
+ }
+
+ if ( $self->get('display') ) {
+ foreach my $cust_bill_pkg_display ( @{ $self->get('display') } ) {
+ $cust_bill_pkg_display->billpkgnum($self->billpkgnum);
+ $error = $cust_bill_pkg_display->insert;
+ if ( $error ) {
+ $dbh->rollback if $oldAutoCommit;
+ return "error inserting cust_bill_pkg_display: $error";
+ }
+ }
+ }
+
+ if ( $self->get('discounts') ) {
+ foreach my $cust_bill_pkg_discount ( @{$self->get('discounts')} ) {
+ $cust_bill_pkg_discount->billpkgnum($self->billpkgnum);
+ $error = $cust_bill_pkg_discount->insert;
+ if ( $error ) {
+ $dbh->rollback if $oldAutoCommit;
+ return "error inserting cust_bill_pkg_discount: $error";
+ }
+ }
+ }
+
+ if ( $self->_cust_tax_exempt_pkg ) {
+ foreach my $cust_tax_exempt_pkg ( @{$self->_cust_tax_exempt_pkg} ) {
+ $cust_tax_exempt_pkg->billpkgnum($self->billpkgnum);
+ $error = $cust_tax_exempt_pkg->insert;
+ if ( $error ) {
+ $dbh->rollback if $oldAutoCommit;
+ return "error inserting cust_tax_exempt_pkg: $error";
+ }
+ }
+ }
+
+ my $tax_location = $self->get('cust_bill_pkg_tax_location');
+ if ( $tax_location ) {
+ foreach my $cust_bill_pkg_tax_location ( @$tax_location ) {
+ $cust_bill_pkg_tax_location->billpkgnum($self->billpkgnum);
+ $error = $cust_bill_pkg_tax_location->insert;
+ if ( $error ) {
+ $dbh->rollback if $oldAutoCommit;
+ return "error inserting cust_bill_pkg_tax_location: $error";
+ }
+ }
+ }
+
+ my $tax_rate_location = $self->get('cust_bill_pkg_tax_rate_location');
+ if ( $tax_rate_location ) {
+ foreach my $cust_bill_pkg_tax_rate_location ( @$tax_rate_location ) {
+ $cust_bill_pkg_tax_rate_location->billpkgnum($self->billpkgnum);
+ $error = $cust_bill_pkg_tax_rate_location->insert;
+ if ( $error ) {
+ $dbh->rollback if $oldAutoCommit;
+ return "error inserting cust_bill_pkg_tax_rate_location: $error";
+ }
+ }
}
- foreach my $detail ( @{$self->get('details')} ) {
- my $cust_bill_pkg_detail = new FS::cust_bill_pkg_detail {
- 'pkgnum' => $self->pkgnum,
- 'invnum' => $self->invnum,
- 'detail' => $detail,
- };
- $error = $cust_bill_pkg_detail->insert;
+ my $cust_tax_adjustment = $self->get('cust_tax_adjustment');
+ if ( $cust_tax_adjustment ) {
+ $cust_tax_adjustment->billpkgnum($self->billpkgnum);
+ $error = $cust_tax_adjustment->replace;
if ( $error ) {
$dbh->rollback if $oldAutoCommit;
- return $error;
+ return "error replacing cust_tax_adjustment: $error";
}
}
}
-=item delete
+=item void
-Currently unimplemented. I don't remove line items because there would then be
-no record the items ever existed (which is bad, no?)
+Voids this line item: deletes the line item and adds a record of the voided
+line item to the FS::cust_bill_pkg_void table (and related tables).
=cut
-sub delete {
- return "Can't delete cust_bill_pkg records!";
+sub void {
+ my $self = shift;
+ my $reason = scalar(@_) ? shift : '';
+
+ local $SIG{HUP} = 'IGNORE';
+ local $SIG{INT} = 'IGNORE';
+ local $SIG{QUIT} = 'IGNORE';
+ local $SIG{TERM} = 'IGNORE';
+ local $SIG{TSTP} = 'IGNORE';
+ local $SIG{PIPE} = 'IGNORE';
+
+ my $oldAutoCommit = $FS::UID::AutoCommit;
+ local $FS::UID::AutoCommit = 0;
+ my $dbh = dbh;
+
+ my $cust_bill_pkg_void = new FS::cust_bill_pkg_void ( {
+ map { $_ => $self->get($_) } $self->fields
+ } );
+ $cust_bill_pkg_void->reason($reason);
+ my $error = $cust_bill_pkg_void->insert;
+ if ( $error ) {
+ $dbh->rollback if $oldAutoCommit;
+ return $error;
+ }
+
+ foreach my $table (qw(
+ cust_bill_pkg_detail
+ cust_bill_pkg_display
+ cust_bill_pkg_discount
+ cust_bill_pkg_tax_location
+ cust_bill_pkg_tax_rate_location
+ cust_tax_exempt_pkg
+ )) {
+
+ foreach my $linked ( qsearch($table, { billpkgnum=>$self->billpkgnum }) ) {
+
+ my $vclass = 'FS::'.$table.'_void';
+ my $void = $vclass->new( {
+ map { $_ => $linked->get($_) } $linked->fields
+ });
+ my $error = $void->insert || $linked->delete;
+ if ( $error ) {
+ $dbh->rollback if $oldAutoCommit;
+ return $error;
+ }
+
+ }
+
+ }
+
+ $error = $self->delete;
+ if ( $error ) {
+ $dbh->rollback if $oldAutoCommit;
+ return $error;
+ }
+
+ $dbh->commit or die $dbh->errstr if $oldAutoCommit;
+
+ '';
+
}
-=item replace OLD_RECORD
+=item delete
-Currently unimplemented. This would be even more of an accounting nightmare
-than deleteing the items. Just don't do it.
+Not recommended.
=cut
-sub replace {
- return "Can't modify cust_bill_pkg records!";
+sub delete {
+ my $self = shift;
+
+ local $SIG{HUP} = 'IGNORE';
+ local $SIG{INT} = 'IGNORE';
+ local $SIG{QUIT} = 'IGNORE';
+ local $SIG{TERM} = 'IGNORE';
+ local $SIG{TSTP} = 'IGNORE';
+ local $SIG{PIPE} = 'IGNORE';
+
+ my $oldAutoCommit = $FS::UID::AutoCommit;
+ local $FS::UID::AutoCommit = 0;
+ my $dbh = dbh;
+
+ foreach my $table (qw(
+ cust_bill_pkg_detail
+ cust_bill_pkg_display
+ cust_bill_pkg_discount
+ cust_bill_pkg_tax_location
+ cust_bill_pkg_tax_rate_location
+ cust_tax_exempt_pkg
+ cust_bill_pay_pkg
+ cust_credit_bill_pkg
+ )) {
+
+ foreach my $linked ( qsearch($table, { billpkgnum=>$self->billpkgnum }) ) {
+ my $error = $linked->delete;
+ if ( $error ) {
+ $dbh->rollback if $oldAutoCommit;
+ return $error;
+ }
+ }
+
+ }
+
+ foreach my $cust_tax_adjustment (
+ qsearch('cust_tax_adjustment', { billpkgnum=>$self->billpkgnum })
+ ) {
+ $cust_tax_adjustment->billpkgnum(''); #NULL
+ my $error = $cust_tax_adjustment->replace;
+ if ( $error ) {
+ $dbh->rollback if $oldAutoCommit;
+ return $error;
+ }
+ }
+
+ my $error = $self->SUPER::delete(@_);
+ if ( $error ) {
+ $dbh->rollback if $oldAutoCommit;
+ return $error;
+ }
+
+ $dbh->commit or die $dbh->errstr if $oldAutoCommit;
+
+ '';
+
}
+#alas, bin/follow-tax-rename
+#
+#=item replace OLD_RECORD
+#
+#Currently unimplemented. This would be even more of an accounting nightmare
+#than deleteing the items. Just don't do it.
+#
+#=cut
+#
+#sub replace {
+# return "Can't modify cust_bill_pkg records!";
+#}
+
=item check
Checks all fields to make sure this is a valid line item. If there is an
|| $self->ut_numbern('sdate')
|| $self->ut_numbern('edate')
|| $self->ut_textn('itemdesc')
+ || $self->ut_textn('itemcomment')
+ || $self->ut_enum('hidden', [ '', 'Y' ])
;
return $error if $error;
+ $self->regularize_details;
+
#if ( $self->pkgnum != 0 ) { #allow unchecked pkgnum 0 for tax! (add to part_pkg?)
if ( $self->pkgnum > 0 ) { #allow -1 for non-pkg line items and 0 for tax (add to part_pkg?)
return "Unknown pkgnum ". $self->pkgnum
$self->SUPER::check;
}
-=item cust_pkg
+=item regularize_details
-Returns the package (see L<FS::cust_pkg>) for this invoice line item.
+Converts the contents of the 'details' pseudo-field to
+L<FS::cust_bill_pkg_detail> objects, if they aren't already.
=cut
-sub cust_pkg {
+sub regularize_details {
my $self = shift;
- qsearchs( 'cust_pkg', { 'pkgnum' => $self->pkgnum } );
+ if ( $self->get('details') ) {
+ foreach my $detail ( @{$self->get('details')} ) {
+ if ( ref($detail) ne 'FS::cust_bill_pkg_detail' ) {
+ # then turn it into one
+ my %hash = ();
+ if ( ! ref($detail) ) {
+ $hash{'detail'} = $detail;
+ }
+ elsif ( ref($detail) eq 'HASH' ) {
+ %hash = %$detail;
+ }
+ elsif ( ref($detail) eq 'ARRAY' ) {
+ carp "passing invoice details as arrays is deprecated";
+ #carp "this way sucks, use a hash"; #but more useful/friendly
+ $hash{'format'} = $detail->[0];
+ $hash{'detail'} = $detail->[1];
+ $hash{'amount'} = $detail->[2];
+ $hash{'classnum'} = $detail->[3];
+ $hash{'phonenum'} = $detail->[4];
+ $hash{'accountcode'} = $detail->[5];
+ $hash{'startdate'} = $detail->[6];
+ $hash{'duration'} = $detail->[7];
+ $hash{'regionname'} = $detail->[8];
+ }
+ else {
+ die "unknown detail type ". ref($detail);
+ }
+ $detail = new FS::cust_bill_pkg_detail \%hash;
+ }
+ $detail->billpkgnum($self->billpkgnum) if $self->billpkgnum;
+ }
+ }
+ return;
}
-=item details
+=item cust_bill
-Returns an array of detail information for the invoice line item.
+Returns the invoice (see L<FS::cust_bill>) for this invoice line item.
=cut
-sub details {
+sub cust_bill {
my $self = shift;
- return () unless defined dbdef->table('cust_bill_pkg_detail');
- map { $_->detail }
- qsearch ( 'cust_bill_pkg_detail', { 'pkgnum' => $self->pkgnum,
- 'invnum' => $self->invnum, } );
- #qsearch ( 'cust_bill_pkg_detail', { 'lineitemnum' => $self->lineitemnum });
+ qsearchs( 'cust_bill', { 'invnum' => $self->invnum } );
}
-=item desc
+=item previous_cust_bill_pkg
-Returns a description for this line item. For typical line items, this is the
-I<pkg> field of the corresponding B<FS::part_pkg> object (see L<FS::part_pkg>).
-For one-shot line items and named taxes, it is the I<itemdesc> field of this
-line item, and for generic taxes, simply returns "Tax".
+Returns the previous cust_bill_pkg for this package, if any.
=cut
-sub desc {
+sub previous_cust_bill_pkg {
my $self = shift;
-
- if ( $self->pkgnum > 0 ) {
- $self->cust_pkg->part_pkg->pkg;
- } else {
- $self->itemdesc || 'Tax';
- }
+ return unless $self->sdate;
+ qsearchs({
+ 'table' => 'cust_bill_pkg',
+ 'hashref' => { 'pkgnum' => $self->pkgnum,
+ 'sdate' => { op=>'<', value=>$self->sdate },
+ },
+ 'order_by' => 'ORDER BY sdate DESC LIMIT 1',
+ });
}
=item owed_setup
$balance;
}
+#modeled after owed
+sub payable {
+ my( $self, $field ) = @_;
+ my $balance = $self->$field();
+ $balance -= $_->amount foreach ( $self->cust_credit_bill_pkg($field) );
+ $balance = sprintf( '%.2f', $balance );
+ $balance =~ s/^\-0\.00$/0.00/; #yay ieee fp
+ $balance;
+}
+
sub cust_bill_pay_pkg {
my( $self, $field ) = @_;
qsearch( 'cust_bill_pay_pkg', { 'billpkgnum' => $self->billpkgnum,
);
}
+=item units
+
+Returns the number of billing units (for tax purposes) represented by this,
+line item.
+
+=cut
+
+sub units {
+ my $self = shift;
+ $self->pkgnum ? $self->part_pkg->calc_units($self->cust_pkg) : 0; # 1?
+}
+
+
+=item set_display OPTION => VALUE ...
+
+A helper method for I<insert>, populates the pseudo-field B<display> with
+appropriate FS::cust_bill_pkg_display objects.
+
+Options are passed as a list of name/value pairs. Options are:
+
+part_pkg: FS::part_pkg object from the
+
+real_pkgpart: if this line item comes from a bundled package, the pkgpart of the owning package. Otherwise the same as the part_pkg's pkgpart above.
+
+=cut
+
+sub set_display {
+ my( $self, %opt ) = @_;
+ my $part_pkg = $opt{'part_pkg'};
+ my $cust_pkg = new FS::cust_pkg { pkgpart => $opt{real_pkgpart} };
+
+ my $conf = new FS::Conf;
+
+ my $separate = $conf->exists('separate_usage');
+ my $usage_mandate = $part_pkg->option('usage_mandate', 'Hush!')
+ || $cust_pkg->part_pkg->option('usage_mandate', 'Hush!');
+
+ # or use the category from $opt{'part_pkg'} if its not bundled?
+ my $categoryname = $cust_pkg->part_pkg->categoryname;
+
+ return $self->set('display', [])
+ unless $separate || $categoryname || $usage_mandate;
+
+ my @display = ();
+
+ my %hash = ( 'section' => $categoryname );
+
+ my $usage_section = $part_pkg->option('usage_section', 'Hush!')
+ || $cust_pkg->part_pkg->option('usage_section', 'Hush!');
+
+ my $summary = $part_pkg->option('summarize_usage', 'Hush!')
+ || $cust_pkg->part_pkg->option('summarize_usage', 'Hush!');
+
+ if ( $separate ) {
+ push @display, new FS::cust_bill_pkg_display { type => 'S', %hash };
+ push @display, new FS::cust_bill_pkg_display { type => 'R', %hash };
+ } else {
+ push @display, new FS::cust_bill_pkg_display
+ { type => '',
+ %hash,
+ ( ( $usage_mandate ) ? ( 'summary' => 'Y' ) : () ),
+ };
+ }
+
+ if ($separate && $usage_section && $summary) {
+ push @display, new FS::cust_bill_pkg_display { type => 'U',
+ summary => 'Y',
+ %hash,
+ };
+ }
+ if ($usage_mandate || ($usage_section && $summary) ) {
+ $hash{post_total} = 'Y';
+ }
+
+ if ($separate || $usage_mandate) {
+ $hash{section} = $usage_section if $usage_section;
+ push @display, new FS::cust_bill_pkg_display { type => 'U', %hash };
+ }
+
+ $self->set('display', \@display);
+
+}
+
+=item disintegrate
+
+Returns a list of cust_bill_pkg objects each with no more than a single class
+(including setup or recur) of charge.
+
+=cut
+
+sub disintegrate {
+ my $self = shift;
+ # XXX this goes away with cust_bill_pkg refactor
+
+ my $cust_bill_pkg = new FS::cust_bill_pkg { $self->hash };
+ my %cust_bill_pkg = ();
+
+ $cust_bill_pkg{setup} = $cust_bill_pkg if $cust_bill_pkg->setup;
+ $cust_bill_pkg{recur} = $cust_bill_pkg if $cust_bill_pkg->recur;
+
+
+ #split setup and recur
+ if ($cust_bill_pkg->setup && $cust_bill_pkg->recur) {
+ my $cust_bill_pkg_recur = new FS::cust_bill_pkg { $cust_bill_pkg->hash };
+ $cust_bill_pkg->set('details', []);
+ $cust_bill_pkg->recur(0);
+ $cust_bill_pkg->unitrecur(0);
+ $cust_bill_pkg->type('');
+ $cust_bill_pkg_recur->setup(0);
+ $cust_bill_pkg_recur->unitsetup(0);
+ $cust_bill_pkg{recur} = $cust_bill_pkg_recur;
+
+ }
+
+ #split usage from recur
+ my $usage = sprintf( "%.2f", $cust_bill_pkg{recur}->usage )
+ if exists($cust_bill_pkg{recur});
+ warn "usage is $usage\n" if $DEBUG > 1;
+ if ($usage) {
+ my $cust_bill_pkg_usage =
+ new FS::cust_bill_pkg { $cust_bill_pkg{recur}->hash };
+ $cust_bill_pkg_usage->recur( $usage );
+ $cust_bill_pkg_usage->type( 'U' );
+ my $recur = sprintf( "%.2f", $cust_bill_pkg{recur}->recur - $usage );
+ $cust_bill_pkg{recur}->recur( $recur );
+ $cust_bill_pkg{recur}->type( '' );
+ $cust_bill_pkg{recur}->set('details', []);
+ $cust_bill_pkg{''} = $cust_bill_pkg_usage;
+ }
+
+ #subdivide usage by usage_class
+ if (exists($cust_bill_pkg{''})) {
+ foreach my $class (grep { $_ } $self->usage_classes) {
+ my $usage = sprintf( "%.2f", $cust_bill_pkg{''}->usage($class) );
+ my $cust_bill_pkg_usage =
+ new FS::cust_bill_pkg { $cust_bill_pkg{''}->hash };
+ $cust_bill_pkg_usage->recur( $usage );
+ $cust_bill_pkg_usage->set('details', []);
+ my $classless = sprintf( "%.2f", $cust_bill_pkg{''}->recur - $usage );
+ $cust_bill_pkg{''}->recur( $classless );
+ $cust_bill_pkg{$class} = $cust_bill_pkg_usage;
+ }
+ warn "Unexpected classless usage value: ". $cust_bill_pkg{''}->recur
+ if ($cust_bill_pkg{''}->recur && $cust_bill_pkg{''}->recur < 0);
+ delete $cust_bill_pkg{''}
+ unless ($cust_bill_pkg{''}->recur && $cust_bill_pkg{''}->recur > 0);
+ }
+
+# # sort setup,recur,'', and the rest numeric && return
+# my @result = map { $cust_bill_pkg{$_} }
+# sort { my $ad = ($a=~/^\d+$/); my $bd = ($b=~/^\d+$/);
+# ( $ad cmp $bd ) || ( $ad ? $a<=>$b : $b cmp $a )
+# }
+# keys %cust_bill_pkg;
+#
+# return (@result);
+
+ %cust_bill_pkg;
+}
+
+=item usage CLASSNUM
+
+Returns the amount of the charge associated with usage class CLASSNUM if
+CLASSNUM is defined. Otherwise returns the total charge associated with
+usage.
+
+=cut
+
+sub usage {
+ my( $self, $classnum ) = @_;
+ $self->regularize_details;
+
+ if ( $self->get('details') ) {
+
+ return sum( 0,
+ map { $_->amount || 0 }
+ grep { !defined($classnum) or $classnum eq $_->classnum }
+ @{ $self->get('details') }
+ );
+
+ } else {
+
+ my $sql = 'SELECT SUM(COALESCE(amount,0)) FROM cust_bill_pkg_detail '.
+ ' WHERE billpkgnum = '. $self->billpkgnum;
+ $sql .= " AND classnum = $classnum" if defined($classnum);
+
+ my $sth = dbh->prepare($sql) or die dbh->errstr;
+ $sth->execute or die $sth->errstr;
+
+ return $sth->fetchrow_arrayref->[0] || 0;
+
+ }
+
+}
+
+=item usage_classes
+
+Returns a list of usage classnums associated with this invoice line's
+details.
+
+=cut
+
+sub usage_classes {
+ my( $self ) = @_;
+ $self->regularize_details;
+
+ if ( $self->get('details') ) {
+
+ my %seen = ( map { $_->classnum => 1 } @{ $self->get('details') } );
+ keys %seen;
+
+ } else {
+
+ map { $_->classnum }
+ qsearch({ table => 'cust_bill_pkg_detail',
+ hashref => { billpkgnum => $self->billpkgnum },
+ select => 'DISTINCT classnum',
+ });
+
+ }
+
+}
+
+# reserving this name for my friends FS::{tax_rate|cust_main_county}::taxline
+# and FS::cust_main::bill
+sub _cust_tax_exempt_pkg {
+ my ( $self ) = @_;
+
+ $self->{Hash}->{_cust_tax_exempt_pkg} or
+ $self->{Hash}->{_cust_tax_exempt_pkg} = [];
+
+}
+
+=item cust_bill_pkg_tax_Xlocation
+
+Returns the list of associated cust_bill_pkg_tax_location and/or
+cust_bill_pkg_tax_rate_location objects
+
+=cut
+
+sub cust_bill_pkg_tax_Xlocation {
+ my $self = shift;
+
+ my %hash = ( 'billpkgnum' => $self->billpkgnum );
+
+ (
+ qsearch ( 'cust_bill_pkg_tax_location', { %hash } ),
+ qsearch ( 'cust_bill_pkg_tax_rate_location', { %hash } )
+ );
+
+}
+
+=item recur_show_zero
+
+=cut
+
+sub recur_show_zero { shift->_X_show_zero('recur'); }
+sub setup_show_zero { shift->_X_show_zero('setup'); }
+
+sub _X_show_zero {
+ my( $self, $what ) = @_;
+
+ return 0 unless $self->$what() == 0 && $self->pkgnum;
+
+ $self->cust_pkg->_X_show_zero($what);
+}
+
+=back
+
+=head1 CLASS METHODS
+
+=over 4
+
+=item usage_sql
+
+Returns an SQL expression for the total usage charges in details on
+an item.
+
+=cut
+
+my $usage_sql =
+ '(SELECT COALESCE(SUM(cust_bill_pkg_detail.amount),0)
+ FROM cust_bill_pkg_detail
+ WHERE cust_bill_pkg_detail.billpkgnum = cust_bill_pkg.billpkgnum)';
+
+sub usage_sql { $usage_sql }
+
+# this makes owed_sql, etc. much more concise
+sub charged_sql {
+ my ($class, $start, $end, %opt) = @_;
+ my $charged =
+ $opt{setuprecur} =~ /^s/ ? 'cust_bill_pkg.setup' :
+ $opt{setuprecur} =~ /^r/ ? 'cust_bill_pkg.recur' :
+ 'cust_bill_pkg.setup + cust_bill_pkg.recur';
+
+ if ($opt{no_usage} and $charged =~ /recur/) {
+ $charged = "$charged - $usage_sql"
+ }
+
+ $charged;
+}
+
+
+=item owed_sql [ BEFORE, AFTER, OPTIONS ]
+
+Returns an SQL expression for the amount owed. BEFORE and AFTER specify
+a date window. OPTIONS may include 'no_usage' (excludes usage charges)
+and 'setuprecur' (set to "setup" or "recur" to limit to one or the other).
+
+=cut
+
+sub owed_sql {
+ my $class = shift;
+ '(' . $class->charged_sql(@_) .
+ ' - ' . $class->paid_sql(@_) .
+ ' - ' . $class->credited_sql(@_) . ')'
+}
+
+=item paid_sql [ BEFORE, AFTER, OPTIONS ]
+
+Returns an SQL expression for the sum of payments applied to this item.
+
+=cut
+
+sub paid_sql {
+ my ($class, $start, $end, %opt) = @_;
+ my $s = $start ? "AND cust_bill_pay._date <= $start" : '';
+ my $e = $end ? "AND cust_bill_pay._date > $end" : '';
+ my $setuprecur =
+ $opt{setuprecur} =~ /^s/ ? 'setup' :
+ $opt{setuprecur} =~ /^r/ ? 'recur' :
+ '';
+ $setuprecur &&= "AND setuprecur = '$setuprecur'";
+
+ my $paid = "( SELECT COALESCE(SUM(cust_bill_pay_pkg.amount),0)
+ FROM cust_bill_pay_pkg JOIN cust_bill_pay USING (billpaynum)
+ WHERE cust_bill_pay_pkg.billpkgnum = cust_bill_pkg.billpkgnum
+ $s $e$setuprecur )";
+
+ if ( $opt{no_usage} ) {
+ # cap the amount paid at the sum of non-usage charges,
+ # minus the amount credited against non-usage charges
+ "LEAST($paid, ".
+ $class->charged_sql($start, $end, %opt) . ' - ' .
+ $class->credited_sql($start, $end, %opt).')';
+ }
+ else {
+ $paid;
+ }
+
+}
+
+sub credited_sql {
+ my ($class, $start, $end, %opt) = @_;
+ my $s = $start ? "AND cust_credit_bill._date <= $start" : '';
+ my $e = $end ? "AND cust_credit_bill._date > $end" : '';
+ my $setuprecur =
+ $opt{setuprecur} =~ /^s/ ? 'setup' :
+ $opt{setuprecur} =~ /^r/ ? 'recur' :
+ '';
+ $setuprecur &&= "AND setuprecur = '$setuprecur'";
+
+ my $credited = "( SELECT COALESCE(SUM(cust_credit_bill_pkg.amount),0)
+ FROM cust_credit_bill_pkg JOIN cust_credit_bill USING (creditbillnum)
+ WHERE cust_credit_bill_pkg.billpkgnum = cust_bill_pkg.billpkgnum
+ $s $e $setuprecur )";
+
+ if ( $opt{no_usage} ) {
+ # cap the amount credited at the sum of non-usage charges
+ "LEAST($credited, ". $class->charged_sql($start, $end, %opt).')';
+ }
+ else {
+ $credited;
+ }
+
+}
+
=back
=head1 BUGS