1 package FS::cust_bill_ApplicationCommon;
4 use vars qw( @ISA $DEBUG $me $skip_apply_to_lineitems_hack );
5 use List::Util qw(min);
6 use FS::Schema qw( dbdef );
7 use FS::Record qw( qsearch qsearchs dbh );
10 use FS::cust_bill_pkg;
14 @ISA = qw( FS::Record );
17 $me = '[FS::cust_bill_ApplicationCommon]';
19 $skip_apply_to_lineitems_hack = 0;
23 FS::cust_bill_ApplicationCommon - Base class for bill application classes
27 use FS::cust_bill_ApplicationCommon;
29 @ISA = qw( FS::cust_bill_ApplicationCommon );
31 sub _app_source_name { 'payment'; }
32 sub _app_source_table { 'cust_pay'; }
33 sub _app_lineitem_breakdown_table { 'cust_bill_pay_pkg'; }
37 FS::cust_bill_ApplicationCommon is intended as a base class for classes which
38 represent application of things to invoices, currently payments
39 (see L<FS::cust_bill_pay>) or credits (see L<FS::cust_credit_bill>).
52 local $SIG{HUP} = 'IGNORE';
53 local $SIG{INT} = 'IGNORE';
54 local $SIG{QUIT} = 'IGNORE';
55 local $SIG{TERM} = 'IGNORE';
56 local $SIG{TSTP} = 'IGNORE';
57 local $SIG{PIPE} = 'IGNORE';
59 my $oldAutoCommit = $FS::UID::AutoCommit;
60 local $FS::UID::AutoCommit = 0;
63 my $error = $self->SUPER::insert(@_)
64 || $self->apply_to_lineitems(@_);
66 $dbh->rollback if $oldAutoCommit;
70 $dbh->commit or die $dbh->errstr if $oldAutoCommit;
83 local $SIG{HUP} = 'IGNORE';
84 local $SIG{INT} = 'IGNORE';
85 local $SIG{QUIT} = 'IGNORE';
86 local $SIG{TERM} = 'IGNORE';
87 local $SIG{TSTP} = 'IGNORE';
88 local $SIG{PIPE} = 'IGNORE';
90 my $oldAutoCommit = $FS::UID::AutoCommit;
91 local $FS::UID::AutoCommit = 0;
94 foreach my $app ( $self->lineitem_applications ) {
95 my $error = $app->delete;
97 $dbh->rollback if $oldAutoCommit;
102 my $error = $self->SUPER::delete(@_);
104 $dbh->rollback if $oldAutoCommit;
108 $dbh->commit or die $dbh->errstr if $oldAutoCommit;
114 =item apply_to_lineitems
116 Auto-applies this invoice application to specific line items, if possible.
120 sub calculate_applications {
121 my( $self, %options ) = @_;
123 return '' if $skip_apply_to_lineitems_hack;
127 my $conf = new FS::Conf;
129 my @open = $self->cust_bill->open_cust_bill_pkg; #FOR UPDATE...?
131 if ( exists($options{subitems}) ) {
134 $open{$_->billpkgnum} = $i++ foreach @open;
136 foreach my $listref ( @{$options{subitems}} ) {
137 my ($billpkgnum, $itemamount, $taxlocationnum) = @$listref;
138 return "Can't apply a ". $self->_app_source_name. ' of $'. $listref->[1].
139 " to line item $billpkgnum which is not open"
140 unless exists($open{$billpkgnum});
141 my $itemindex = $open{$billpkgnum};
143 if ($taxlocationnum) {
144 %taxhash = map { ($_->primary_key => $_->get($_->primary_key)) }
145 grep { $_->get($_->primary_key) == $taxlocationnum }
146 $open[$itemindex]->cust_bill_pkg_tax_Xlocation;
148 return "No tax line item with a key value of $taxlocationnum exists"
149 unless scalar(%taxhash);
151 push @apply, [ $open[$itemindex], $itemamount, { %taxhash } ];
156 @open = grep { $_->pkgnum == $self->pkgnum } @open
157 if $conf->exists('pkg-balances') && $self->pkgnum;
158 warn "$me ". scalar(@open). " open line items for invoice ".
159 $self->cust_bill->invnum. ": ". join(', ', @open). "\n"
163 $total += $_->owed_setup if $_->setup;
164 $total += $_->owed_recur if $_->recur;
166 $total = sprintf('%.2f', $total);
168 if ( $self->amount > $total ) {
169 return "Can't apply a ". $self->_app_source_name. ' of $'. $self->amount.
170 " greater than the remaining owed on line items (\$$total)";
174 # - one lineitem (a simple special case of:)
175 # - amount is for whole invoice (well, all of remaining lineitem links)
176 if ( $self->amount == $total ) {
178 warn "$me application amount covers remaining balance of invoice in full;".
179 "applying to those lineitems\n"
182 #@apply = map { [ $_, $_->amount ]; } @open;
183 #@apply = map { [ $_, $_->owed_setup + 0 || $_->owed_recur + 0 ]; } @open;
184 @apply = map { [ $_, $_->setup ? $_->owed_setup : $_->owed_recur ]; } @open;
188 #slightly magic case:
189 # - amount exactly and uniquely matches a single open lineitem
190 # (you must be trying to pay or credit that item, then)
192 my @same = grep { ( $_->setup && $_->owed_setup == $self->amount )
193 || ( $_->recur && $_->owed_recur == $self->amount )
196 if ( scalar(@same) == 1 ) {
197 warn "$me application amount exactly and uniquely matches one lineitem;".
198 " applying to that lineitem\n"
200 @apply = map { [ $_, $self->amount ]; } @same
207 warn "$me applying amount based on package weights\n"
211 # - apply based on weights...
213 my $weight_col = $self->_app_part_pkg_weight_column;
214 my @openweight = map {
216 my $cust_pkg = $open->cust_pkg;
219 ? ( $cust_pkg->part_pkg->$weight_col() || 0 )
220 : -1; #default or per-tax weight?
226 my @weights = sort { $b <=> $a } # highest weight first
227 grep { ! $saw{$_}++ } # want a list of unique weights
231 my $remaining_amount = $self->amount;
232 foreach my $weight ( @weights ) {
234 #i hate it when my schwartz gets tangled
235 my @items = map { $_->[0] } grep { $weight == $_->[1] } @openweight;
238 foreach my $item (@items) {
239 $itemtotal += $item->owed_setup if $item->setup;
240 $itemtotal += $item->owed_recur if $item->recur;
242 my $applytotal = min( $itemtotal, $remaining_amount );
243 $remaining_amount -= $applytotal;
245 warn "$me applying $applytotal ($remaining_amount remaining)".
246 " to ". scalar(@items). " lineitems with weight $weight\n"
249 #if some items are less than applytotal/num_items, then apply then in full
254 #no, not sprintf("%.2f",
255 # we want this rounded DOWN for purposes of checking for line items
256 # less than it, we don't want .66666 becoming .67 and causing this
257 # to trigger when it shouldn't
258 my $applyeach = int( 100 * $applytotal / scalar(@items) ) / 100;
261 foreach my $item ( @items ) {
262 my $itemamount = $item->setup ? $item->owed_setup : $item->owed_recur;
263 if ( $itemamount < $applyeach ) {
264 warn "$me applying full $itemamount".
265 " to small line item (cust_bill_pkg ". $item->billpkgnum. ")\n"
267 push @apply, [ $item, $itemamount ];
268 $applytotal -= $itemamount;
271 push @newitems, $item;
276 } while ( $lessflag && @items );
280 #and now that we've fallen out of the loop, distribute the rest equally
282 # should cust_bill_pay_pkg and cust_credit_bill_pkg amount columns
283 # become real instead of numeric(10,2) ??? no..
284 my $applyeach = sprintf("%.2f", $applytotal / scalar(@items) );
286 my @equi_apply = map { [ $_, $applyeach ] } @items;
288 # or should we futz with pennies instead? yes, bah!
290 sprintf('%.0f', 100 * ( $applytotal - $applyeach * scalar(@items) ) );
291 $diff = 0 if $diff eq '-0'; #yay ieee fp
292 if ( abs($diff) > scalar(@items) ) {
293 #we must have done something really wrong, the difference is more than
295 return 'Error distributing pennies applying '.$self->_app_source_name.
296 " - can't distribute difference of $diff pennies".
297 ' among '. scalar(@items). ' line items';
300 warn "$me futzing with $diff pennies difference\n"
304 while ( $diff != 0 && $futz < scalar(@equi_apply) ) {
306 $equi_apply[$futz++]->[1] += .01;
308 } elsif ( $diff < 0 ) {
309 $equi_apply[$futz++]->[1] -= .01;
312 die "guru exception #5 (in fortran tongue the answer)";
316 if ( sprintf('%.0f', $diff ) ) {
317 return "couldn't futz with pennies enough: still $diff left";
321 warn "$me applying ". $_->[1].
322 " to line item (cust_bill_pkg ". $_->[0]->billpkgnum. ")\n"
325 push @apply, @equi_apply;
329 #$remaining_amount -= $applytotal;
330 last unless $remaining_amount;
336 # break down lineitem amounts for tax lines
337 # could expand @open above, instead, for a slightly different magic effect
339 foreach my $apply ( @apply ) {
340 my @sub_lines = $apply->[0]->cust_bill_pkg_tax_Xlocation;
341 my $amount = $apply->[1];
342 warn "applying ". $apply->[1]. " to ". $apply->[0]->desc
345 foreach my $subline ( @sub_lines ) {
346 my $owed = $subline->owed;
347 push @result, [ $apply->[0],
348 sprintf('%.2f', min($amount, $owed) ),
349 { $subline->primary_key => $subline->get($subline->primary_key) },
352 $amount = 0 if $amount < 0;
356 push @result, [ $apply->[0], sprintf('%.2f', $amount), {} ];
364 sub apply_to_lineitems {
366 my( $self, %options ) = @_;
368 return '' if $skip_apply_to_lineitems_hack;
370 my $conf = new FS::Conf;
372 local $SIG{HUP} = 'IGNORE';
373 local $SIG{INT} = 'IGNORE';
374 local $SIG{QUIT} = 'IGNORE';
375 local $SIG{TERM} = 'IGNORE';
376 local $SIG{TSTP} = 'IGNORE';
377 local $SIG{PIPE} = 'IGNORE';
379 my $oldAutoCommit = $FS::UID::AutoCommit;
380 local $FS::UID::AutoCommit = 0;
383 my $listref_or_error = $self->calculate_applications(%options);
384 unless (ref($listref_or_error)) {
385 $dbh->rollback if $oldAutoCommit;
386 return $listref_or_error;
389 my @apply = @$listref_or_error;
391 # do the applicaiton(s)
392 my $table = $self->lineitem_breakdown_table;
393 my $source_key = dbdef->table($self->table)->primary_key;
395 foreach my $apply ( @apply ) {
396 my ( $cust_bill_pkg, $amount, $taxcreditref ) = @$apply;
398 my $application = "FS::$table"->new( {
399 $source_key => $self->$source_key(),
400 'billpkgnum' => $cust_bill_pkg->billpkgnum,
401 'amount' => sprintf('%.2f', $amount),
402 'setuprecur' => ( $cust_bill_pkg->setup > 0 ? 'setup' : 'recur' ),
403 'sdate' => $cust_bill_pkg->sdate,
404 'edate' => $cust_bill_pkg->edate,
407 my $error = $application->insert(%options);
409 $dbh->rollback if $oldAutoCommit;
413 # trigger export_insert_on_payment
414 if ( $conf->exists('trigger_export_insert_on_payment')
415 && $cust_bill_pkg->pkgnum > 0 )
417 if ( my $cust_pkg = $cust_bill_pkg->cust_pkg ) {
419 foreach my $cust_svc ( $cust_pkg->cust_svc ) {
420 my $svc_x = $cust_svc->svc_x;
421 my @part_export = grep { $_->can('_export_insert_on_payment') }
422 $cust_svc->part_svc->part_export;
424 foreach my $part_export ( @part_export ) {
425 $error = $part_export->_export_insert_on_payment($svc_x);
427 $dbh->rollback if $oldAutoCommit;
434 # done trigger export_insert_on_payment
438 #everything should always be applied to line items in full now... sanity check
439 $applied = sprintf('%.2f', $applied);
440 unless ( $applied == $self->amount ) {
441 $dbh->rollback if $oldAutoCommit;
442 return 'Error applying '. $self->_app_source_name. ' of $'. $self->amount.
443 ' to line items - only $'. $applied. ' was applied.';
446 $dbh->commit or die $dbh->errstr if $oldAutoCommit;
451 =item lineitem_applications
453 Returns all the specific line item applications for this invoice application.
457 sub lineitem_applications {
459 my $primary_key = dbdef->table($self->table)->primary_key;
461 'table' => $self->lineitem_breakdown_table,
462 'hashref' => { $primary_key => $self->$primary_key() },
469 Returns the invoice (see L<FS::cust_bill>)
475 qsearchs( 'cust_bill', { 'invnum' => $self->invnum } );
478 =item applied_to_invoice
480 Returns a string representing the invoice (see L<FS::cust_bill>), for example:
481 "applied to Invoice #54 (3/20/2008)"
485 sub applied_to_invoice {
487 'applied to '. $self->cust_bill->invnum_date_pretty;
490 =item lineitem_breakdown_table
494 sub lineitem_breakdown_table {
496 $self->_load_table($self->_app_lineitem_breakdown_table);
500 my( $self, $table ) = @_;
501 eval "use FS::$table";
512 L<FS::cust_bill_pay> and L<FS::cust_bill_pay_pkg>,
513 L<FS::cust_credit_bill> and L<FS::cust_credit_bill_pkg>