X-Git-Url: http://git.freeside.biz/gitweb/?a=blobdiff_plain;f=FS%2FFS%2Fcust_pkg_discount.pm;h=b74a23111ae759e33e26bacf17cacba070a6ca55;hb=0692ff47a2eac65616bf24104a51e558506f1b8f;hp=5f4d0dccf6b14315cd6b0e8f605284663d92597d;hpb=0af38652da3b3be7da2d35b048285ef6f2194e1a;p=freeside.git

diff --git a/FS/FS/cust_pkg_discount.pm b/FS/FS/cust_pkg_discount.pm
index 5f4d0dccf..b74a23111 100644
--- a/FS/FS/cust_pkg_discount.pm
+++ b/FS/FS/cust_pkg_discount.pm
@@ -1,9 +1,8 @@
 package FS::cust_pkg_discount;
+use base qw( FS::otaker_Mixin FS::cust_main_Mixin FS::Record );
 
 use strict;
-use base qw( FS::otaker_Mixin FS::cust_main_Mixin FS::Record );
-use FS::Record qw( dbh qsearchs ); # qsearch );
-use FS::cust_pkg;
+use FS::Record qw( dbh ); # qsearch qsearchs dbh );
 use FS::discount;
 
 =head1 NAME
@@ -164,7 +163,7 @@ sub check {
     $self->ut_numbern('pkgdiscountnum')
     || $self->ut_foreign_key('pkgnum', 'cust_pkg', 'pkgnum')
     || $self->ut_foreign_key('discountnum', 'discount', 'discountnum' )
-    || $self->ut_float('months_used') #actually decimal, but this will do
+    || $self->ut_sfloat('months_used') #actually decimal, but this will do
     || $self->ut_numbern('end_date')
     || $self->ut_alphan('otaker')
     || $self->ut_numbern('usernum')
@@ -184,25 +183,11 @@ sub check {
 
 Returns the customer package (see L<FS::cust_pkg>).
 
-=cut
-
-sub cust_pkg {
-  my $self = shift;
-  qsearchs('cust_pkg', { 'pkgnum' => $self->pkgnum } );
-}
-
 =item discount
 
 Returns the discount (see L<FS::discount>).
 
-=cut
-
-sub discount {
-  my $self = shift;
-  qsearchs('discount', { 'discountnum' => $self->discountnum } );
-}
-
-=item increment_months_used
+=item increment_months_used MONTHS
 
 Increments months_used by the given parameter
 
@@ -216,6 +201,31 @@ sub increment_months_used {
   $self->replace();
 }
 
+=item decrement_months_used MONTHS
+
+Decrement months_used by the given parameter
+
+(Note: as in, extending the length of the discount.  Typically only used to
+stack/extend a discount when the customer package has one active already.)
+
+=cut
+
+sub decrement_months_used {
+  my( $self, $recharged ) = @_;
+  #UPDATE cust_pkg_discount SET months_used = months_used - ?
+  #leaves no history, and billing is mutexed per-customer
+
+  #we're run from part_event/Action/referral_pkg_discount on behalf of a
+  # different customer, so we need to grab this customer's mutex.
+  #   incidentally, that's some inelegant encapsulation breaking shit, and a
+  #   great argument in favor of native-DB trigger history so we can trust
+  #   in normal ACID like the SQL above instead of this
+  $self->cust_pkg->cust_main->select_for_update;
+
+  $self->months_used( $self->months_used - $recharged );
+  $self->replace();
+}
+
 =item status
 
 =cut