teach interval_to_seconds about negative intervals

git-svn-id: svn://svn.open-ils.org/OpenSRF/trunk@1714 9efc2488-bf62-4759-914b-345cdb29e865

diff --git a/src/perl/lib/OpenSRF/Utils.pm b/src/perl/lib/OpenSRF/Utils.pm
index 46816cb..b6e24d5 100644 (file)
--- a/src/perl/lib/OpenSRF/Utils.pm
+++ b/src/perl/lib/OpenSRF/Utils.pm
@@ -259,8 +259,9 @@ sub interval_to_seconds {
         $interval =~ s/,/ /g;
 
         my $amount = 0;
-        while ($interval =~ /\s*\+?\s*(\d+)\s*(\w+)\s*/g) {
-               my ($count, $type) = ($1, $2);
+        while ($interval =~ /\s*([\+-]?)\s*(\d+)\s*(\w+)\s*/g) {
+               my ($sign, $count, $type) = ($1, $2, $3);
+               $count = "$sign$count" if ($sign);
                 $amount += $count if ($type eq 's');
                 $amount += 60 * $count if ($type =~ /^m(?!o)/oi);
                 $amount += 60 * 60 * $count if ($type =~ /^h/);