Bug 16073: (follow-up) Fix software error in circulation.pl

Do not crash if the patron does not exist.

Test plan:
Access circ/circulation.pl?borrowernumber=42424242
you should get an error without this patch
With this patch, you will get an empty patron detail page (should be
fixed in another patch, but this behavior exists for a while)

Signed-off-by: Tomas Cohen Arazi <tomascohen@unc.edu.ar>
Signed-off-by: Brendan Gallagher brendan@bywatersolutions.com

diff --git a/circ/circulation.pl b/circ/circulation.pl
index 74a7524..5cfd93f 100755 (executable)
--- a/circ/circulation.pl
+++ b/circ/circulation.pl
@@ -585,12 +585,13 @@ my $view = $batch
 
 my @relatives;
 if ( $borrowernumber ) {
-    my $patron = Koha::Patrons->find( $borrower->{borrowernumber} );
-    if ( my $guarantor = $patron->guarantor ) {
-        push @relatives, $guarantor->borrowernumber;
-        push @relatives, $_->borrowernumber for $patron->siblings;
-    } else {
-        push @relatives, $_->borrowernumber for $patron->guarantees;
+    if ( my $patron = Koha::Patrons->find( $borrower->{borrowernumber} ) ) {
+        if ( my $guarantor = $patron->guarantor ) {
+            push @relatives, $guarantor->borrowernumber;
+            push @relatives, $_->borrowernumber for $patron->siblings;
+        } else {
+            push @relatives, $_->borrowernumber for $patron->guarantees;
+        }
     }
 }
 my $relatives_issues_count =