From b40db9e3578abcd0cd9dcc849983866366a7ab8e Mon Sep 17 00:00:00 2001
From: Marcel de Rooy <m.de.rooy@rijksmuseum.nl>
Date: Mon, 24 Feb 2020 12:52:13 +0000
Subject: [PATCH] Bug 24715: Cache repeatable subfield in TransformKohaToMarc
Content-Type: text/plain; charset=utf-8

Implemented by calling GetMarcSubfieldStructure.

Test plan:
Run t/db_dependent/Biblio/TransformKohaToMarc.t
Optionally, follow the test plan of bug 21800#comment7.
---
 C4/Biblio.pm                                | 17 ++++++++++++-----
 t/db_dependent/Biblio/TransformKohaToMarc.t |  2 +-
 2 files changed, 13 insertions(+), 6 deletions(-)

diff --git a/C4/Biblio.pm b/C4/Biblio.pm
index 8b55886e4a..73ba9a5f7c 100644
--- a/C4/Biblio.pm
+++ b/C4/Biblio.pm
@@ -1990,7 +1990,8 @@ sub TransformKohaToMarc {
 
     # In the next call we use the Default framework, since it is considered
     # authoritative for Koha to Marc mappings.
-    my $mss = GetMarcSubfieldStructure( '', { unsafe => 1 } ); # do not change framewok
+    my $mss = GetMarcSubfieldStructure( '', { unsafe => 1 } ); # do not change framework
+    my $mss2; # belongs to $params->{framework} only filled when needed
     my $tag_hr = {};
     while ( my ($kohafield, $value) = each %$hash ) {
         foreach my $fld ( @{ $mss->{$kohafield} } ) {
@@ -1999,7 +2000,7 @@ sub TransformKohaToMarc {
             next if !$tagfield;
 
             # BZ 21800: split value if field is repeatable.
-            my @values = _check_split($params, $fld, $value)
+            my @values = _check_split($params, $mss2, $fld, $value)
                 ? split(/\s?\|\s?/, $value, -1)
                 : ( $value );
             foreach my $value ( @values ) {
@@ -2023,7 +2024,7 @@ sub TransformKohaToMarc {
 }
 
 sub _check_split {
-    my ($params, $fld, $value) = @_;
+    my ($params, $mss2, $fld, $value) = @_;
     return if index($value,'|') == -1; # nothing to worry about
     return if $params->{no_split};
 
@@ -2031,8 +2032,14 @@ sub _check_split {
     return $fld->{repeatable} if !$params->{framework};
 
     # here we need to check the specific framework
-    my $mss = Koha::MarcSubfieldStructures->find( $params->{framework}, $fld->{tagfield}, $fld->{tagsubfield} );
-    return 1 if $mss && $mss->repeatable;
+    $mss2 = GetMarcSubfieldStructure($params->{framework}, { unsafe => 1 })
+        if !$mss2;
+    foreach my $fld2 ( @{ $mss2->{ $fld->{kohafield} } } ) {
+        next if $fld2->{tagfield} ne $fld->{tagfield};
+        next if $fld2->{tagsubfield} ne $fld->{tagsubfield};
+        return 1 if $fld2->{repeatable};
+    }
+    return;
 }
 
 =head2 PrepHostMarcField
diff --git a/t/db_dependent/Biblio/TransformKohaToMarc.t b/t/db_dependent/Biblio/TransformKohaToMarc.t
index fac328d0a5..f22297959b 100644
--- a/t/db_dependent/Biblio/TransformKohaToMarc.t
+++ b/t/db_dependent/Biblio/TransformKohaToMarc.t
@@ -88,7 +88,7 @@ subtest "Add tests for _check_split" => sub {
     Koha::Caches->get_instance->clear_from_cache( "MarcSubfieldStructure-" );
     # add 952a repeatable in another framework
     my $fw =  $builder->build({ source => 'BiblioFramework' })->{frameworkcode};
-    Koha::MarcSubfieldStructure->new({ frameworkcode => $fw, tagfield => '952', tagsubfield => 'a', repeatable => 1 })->store;
+    Koha::MarcSubfieldStructure->new({ frameworkcode => $fw, tagfield => '952', tagsubfield => 'a', repeatable => 1, kohafield => 'items.fld1' })->store;
 
     # Test single value in fld1
     my @cols = ( 'items.fld1' => '01' );
-- 
2.11.0