From 392d4b113894af4ff051e3363d8b3c78c2d223dc Mon Sep 17 00:00:00 2001
From: Mark Wells <mark@freeside.biz>
Date: Tue, 18 Oct 2016 23:06:03 -0700
Subject: [PATCH] during upgrade, fix broken tax links on old voided invoices,
 #72777

---
 FS/FS/Upgrade.pm            |  3 +++
 FS/FS/cust_bill_pkg_void.pm | 36 ++++++++++++++++++++++++++++++++++++
 2 files changed, 39 insertions(+)

diff --git a/FS/FS/Upgrade.pm b/FS/FS/Upgrade.pm
index 8b7d7337f..d06b7d8a7 100644
--- a/FS/FS/Upgrade.pm
+++ b/FS/FS/Upgrade.pm
@@ -348,6 +348,9 @@ sub upgrade_data {
     #customer credits
     'cust_credit' => [],
 
+    # fix some tax allocation records
+    'cust_bill_pkg_void' => [],
+
     #duplicate history records
     'h_cust_svc'  => [],
 
diff --git a/FS/FS/cust_bill_pkg_void.pm b/FS/FS/cust_bill_pkg_void.pm
index 080452e19..8bd80887e 100644
--- a/FS/FS/cust_bill_pkg_void.pm
+++ b/FS/FS/cust_bill_pkg_void.pm
@@ -12,6 +12,7 @@ use FS::cust_bill_pkg_fee;
 use FS::cust_bill_pkg_tax_location;
 use FS::cust_bill_pkg_tax_rate_location;
 use FS::cust_tax_exempt_pkg;
+use FS::Cursor;
 
 =head1 NAME
 
@@ -266,6 +267,41 @@ sub cust_bill_pkg_fee {
   qsearch( 'cust_bill_pkg_fee_void', { 'billpkgnum' => $self->billpkgnum } );
 }
 
+# _upgrade_data
+#
+# Used by FS::Upgrade to migrate to a new database.
+sub _upgrade_data {  # class method
+  my ($class, %opts) = @_;
+
+  my $error;
+  # fix voids with tax from before July 2013, when the taxable_billpkgnum
+  # field was added to the void table
+  my $search = FS::Cursor->new({
+    'table'   => 'cust_bill_pkg_tax_location_void',
+    'hashref' => { 'taxable_billpkgnum' => '' }
+  });
+  while (my $void = $search->fetch) {
+    # the history for the unvoided record should have the correct
+    # taxable_billpkgnum
+    my $num = $void->billpkgtaxlocationnum;
+    my $unvoid = qsearchs({
+      'table'   => 'h_cust_bill_pkg_tax_location',
+      'hashref' => { 'billpkgtaxlocationnum' => $num },
+      'order_by' => ' ORDER BY history_date DESC LIMIT 1'
+    });
+    if (!$unvoid) {
+      # should never happen
+      die "billpkgtaxlocationnum $num: could not find pre-void history record to restore taxable_billpkgnum.";
+    }
+    if ($unvoid) {
+      $void->set('taxable_billpkgnum', $unvoid->taxable_billpkgnum);
+      $error = $void->replace;
+      die "billpkgtaxlocationnum $num: $error\n" if $error;
+    }
+  }
+
+}
+
 =back
 
 =head1 BUGS
-- 
2.11.0