From 31807e3e9acddff34011e919728c113e69ad9a26 Mon Sep 17 00:00:00 2001
From: Jonathan Prykop <jonathan@freeside.biz>
Date: Tue, 12 Apr 2016 05:36:58 -0500
Subject: [PATCH] RT#28648: Unsuspend when past due balance is paid [new
 option, Charges not past due]

---
 FS/FS/Conf.pm            |  2 +-
 FS/FS/cust_main_Mixin.pm | 18 ++++++++++++++++--
 2 files changed, 17 insertions(+), 3 deletions(-)

diff --git a/FS/FS/Conf.pm b/FS/FS/Conf.pm
index d0b1180cb..87fd2524a 100644
--- a/FS/FS/Conf.pm
+++ b/FS/FS/Conf.pm
@@ -1972,7 +1972,7 @@ and customer address. Include units.',
     'description' => 'Enables the automatic unsuspension of suspended packages when a customer\'s balance due is at or below the specified amount after a payment or credit',
     'type'        => 'select',
     'select_enum' => [ 
-      '', 'Zero', 'Latest invoice charges'
+      '', 'Zero', 'Latest invoice charges', 'Charges not past due'
     ],
   },
 
diff --git a/FS/FS/cust_main_Mixin.pm b/FS/FS/cust_main_Mixin.pm
index 9a2a9d7b1..bbba8c5f7 100644
--- a/FS/FS/cust_main_Mixin.pm
+++ b/FS/FS/cust_main_Mixin.pm
@@ -669,11 +669,25 @@ sub unsuspend_balance {
   my $maxbalance;
   if ($setting eq 'Zero') {
     $maxbalance = 0;
+
+  # kind of a pain to load/check all cust_bill instead of just open ones,
+  # but if for some reason payment gets applied to later bills before
+  # earlier ones, we still want to consider the later ones as allowable balance
   } elsif ($setting eq 'Latest invoice charges') {
     my @cust_bill = $cust_main->cust_bill();
     my $cust_bill = $cust_bill[-1]; #always want the most recent one
-    return unless $cust_bill;
-    $maxbalance = $cust_bill->charged || 0;
+    if ($cust_bill) {
+      $maxbalance = $cust_bill->charged || 0;
+    } else {
+      $maxbalance = 0;
+    }
+  } elsif ($setting eq 'Charges not past due') {
+    my $now = time;
+    $maxbalance = 0;
+    foreach my $cust_bill ($cust_main->cust_bill()) {
+      next unless $now <= ($cust_bill->due_date || $cust_bill->_date);
+      $maxbalance += $cust_bill->charged || 0;
+    }
   } elsif (length($setting)) {
     warn "Unrecognized unsuspend_balance setting $setting";
     return;
-- 
2.11.0