From 8c72eaaf86ee0d4d43e8d12b0f7b98992cd4d7a1 Mon Sep 17 00:00:00 2001
From: Jonathan Druart <jonathan.druart@bugs.koha-community.org>
Date: Fri, 28 Jun 2019 14:01:04 -0500
Subject: [PATCH] Bug 23225: Do not hide a biblio if there is no item

This patch fixes a 404 redirect from the OPAC ISBD view if the
bibliographic record does not have item attached.

Signed-off-by: Luis F. Lopez <lflfalagan@gmail.com>
Signed-off-by: Tomas Cohen Arazi <tomascohen@theke.io>
Signed-off-by: Martin Renvoize <martin.renvoize@ptfs-europe.com>
(cherry picked from commit f317d384f657bb8341a1a641343e18ed9598240d)
Signed-off-by: Fridolin Somers <fridolin.somers@biblibre.com>
---
 Koha/Biblio.pm | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/Koha/Biblio.pm b/Koha/Biblio.pm
index fae91cef33..f38a101e27 100644
--- a/Koha/Biblio.pm
+++ b/Koha/Biblio.pm
@@ -209,7 +209,11 @@ sub hidden_in_opac {
 
     my $rules = $params->{rules} // {};
 
-    return !(any { !$_->hidden_in_opac({ rules => $rules }) } $self->items->as_list);
+    my @items = $self->items->as_list;
+
+    return 0 unless @items; # Do not hide if there is no item
+
+    return !(any { !$_->hidden_in_opac({ rules => $rules }) } @items);
 }
 
 =head3 article_request_type
-- 
2.39.5