From 2fa01d8c4329e2f63a7fe0d06c61e262514800b9 Mon Sep 17 00:00:00 2001
From: Jonathan Druart <jonathan.druart@bugs.koha-community.org>
Date: Fri, 23 Jul 2021 15:16:32 +0200
Subject: [PATCH] Bug 27526: Fix cn_source display

For an unknown reason C4::Biblio::GetAuthorisedValueDesc (that we are
calling from Koha::Item->columns_to_str) does not deal with class
sources.
---
 C4/Biblio.pm | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/C4/Biblio.pm b/C4/Biblio.pm
index cf79d1e4b31..d2df1b5111d 100644
--- a/C4/Biblio.pm
+++ b/C4/Biblio.pm
@@ -91,7 +91,7 @@ use Module::Load::Conditional qw( can_load );
 use C4::Koha;
 use C4::Log qw( logaction );    # logaction
 use C4::Budgets;
-use C4::ClassSource qw( GetClassSort );
+use C4::ClassSource qw( GetClassSort GetClassSource );
 use C4::Charset qw(
     nsb_clean
     SetMarcUnicodeFlag
@@ -1426,6 +1426,11 @@ sub GetAuthorisedValueDesc {
             return $itemtype ? $itemtype->translated_description : q||;
         }
 
+        if ( $tagslib->{$tag}->{$subfield}->{'authorised_value'} eq "cn_source" ) {
+            my $source = GetClassSource($value);
+            return $source ? $source->{description} : q||;
+        }
+
         #---- "true" authorized value
         $category = $tagslib->{$tag}->{$subfield}->{'authorised_value'};
     }
-- 
2.20.1