Attachment 135388 Details for Bug 30848 – Bug 30848: Caching for performance

[patch] Bug 30848: Caching for performance

Bug-30848-Caching-for-performance.patch (text/plain), 6.28 KB, created by Martin Renvoize (ashimema) on 2022-05-26 15:47:05 UTC

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Creator: Martin Renvoize (ashimema)

Created: 2022-05-26 15:47:05 UTC

Size: 6.28 KB

patch

obsolete

>From 6bcf1d7e4dc0cb48915e07b5c0f31a1d13260f23 Mon Sep 17 00:00:00 2001
>From: Martin Renvoize <martin.renvoize@ptfs-europe.com>
>Date: Thu, 26 May 2022 16:31:30 +0100
>Subject: [PATCH] Bug 30848: Caching for performance
>
>---
> Koha/Filter/MARC/ExpandAuthorizedValues.pm    | 88 ++++++++++++++-----
> .../Koha/Filter/ExpandAuthorizedValues.t      |  1 +
> 2 files changed, 68 insertions(+), 21 deletions(-)
>
>diff --git a/Koha/Filter/MARC/ExpandAuthorizedValues.pm b/Koha/Filter/MARC/ExpandAuthorizedValues.pm
>index 3306839728..c9b638be03 100644
>--- a/Koha/Filter/MARC/ExpandAuthorizedValues.pm
>+++ b/Koha/Filter/MARC/ExpandAuthorizedValues.pm
>@@ -50,12 +50,14 @@ Filter to replace Koha AV codes in MARC::Records with their Koha AV descriptions
> use Modern::Perl;
> 
> use C4::Biblio qw( GetAuthorisedValueDesc GetMarcStructure );
>+use Koha::Caches;
>+use Koha::ClassSources;
>+use Koha::Libraries;
>+use Koha::ItemTypes;
> 
> use base qw(Koha::RecordProcessor::Base);
> our $NAME = 'ExpandAuthorizedValues';
> 
>-my %authval_per_framework; # Cache for tagfield-tagsubfield to decode per framework.
>-
> =head2 filter
> 
> Embed items into the MARC::Record object.
>@@ -69,14 +71,14 @@ sub filter {
>     return unless defined $record and ref($record) eq 'MARC::Record';
> 
>     my $params        = $self->params;
>-    my $interface     = $params->{options}->{interface} // 'opac';
>-    my $opac          = $interface eq 'opac' ? 1 : 0;
>+    my $interface     = $params->{options}->{interface}     // 'opac';
>     my $frameworkcode = $params->{options}->{frameworkcode} // q{};
>-    my $marcstructure = $params->{options}->{marcstructure}
>-      // GetMarcStructure( 1, $frameworkcode, { unsafe => 1 } );
>+    my $opac          = $interface eq 'opac' ? 1 : 0;
> 
>     my $marcflavour = C4::Context->preference('marcflavour');
>     my $av          = _getAuthorisedValues4MARCSubfields($frameworkcode);
>+
>+    my $desc_field = $opac ? 'lib_opac' : 'lib';
>     foreach my $tag ( keys %$av ) {
>         foreach my $field ( $record->field($tag) ) {
>             if ( $av->{$tag} ) {
>@@ -89,10 +91,9 @@ sub filter {
>                     if ( !( $tag eq '942' && $subfield->[0] eq 'n' )
>                         || $marcflavour eq 'UNIMARC' )
>                     {
>-                        $value =
>-                          GetAuthorisedValueDesc( $tag, $letter, $value, '',
>-                            $marcstructure, undef, $opac )
>-                          if $av->{$tag}->{$letter};
>+                        my $category = $av->{$tag}->{$letter}->{category};
>+                        $value = $av->{$tag}->{$letter}->{$category}->{$value}
>+                          ->{$desc_field} || $value;
>                     }
>                     push( @new_subfields, $letter, $value );
>                 }
>@@ -111,23 +112,68 @@ sub filter {
> 
> sub _getAuthorisedValues4MARCSubfields {
>     my ($frameworkcode) = @_;
>-    unless ( $authval_per_framework{$frameworkcode} ) {
>-        my $dbh = C4::Context->dbh;
>-        my $sth = $dbh->prepare(
>-            "SELECT DISTINCT tagfield, tagsubfield
>+    $frameworkcode //= "";
>+
>+    my $cache     = Koha::Caches->get_instance();
>+    my $cache_key = "MarcAVStructure-$frameworkcode";
>+    my $cached    = $cache->get_from_cache( $cache_key, { unsafe => 1 } );
>+    return $cached if $cached;
>+
>+    my $dbh = C4::Context->dbh;
>+    my $sth = $dbh->prepare(
>+        "SELECT DISTINCT tagfield, tagsubfield, authorised_value
>              FROM marc_subfield_structure
>              WHERE authorised_value IS NOT NULL
>                 AND authorised_value!=''
>                 AND frameworkcode=?"
>-        );
>-        $sth->execute($frameworkcode);
>-        my $av = {};
>-        while ( my ( $tag, $letter ) = $sth->fetchrow() ) {
>-            $av->{$tag}->{$letter} = 1;
>+    );
>+    $sth->execute($frameworkcode);
>+    my $av_structure = {};
>+    while ( my ( $tag, $letter, $category ) = $sth->fetchrow() ) {
>+        $av_structure->{$tag}->{$letter}->{category} = $category;
>+        if ( $category eq 'branches' ) {
>+            my $libraries = {
>+                map {
>+                    $_->branchcode =>
>+                      { lib_opac => $_->branchname, lib => $_->branchname }
>+                } Koha::Libraries->search()->as_list
>+            };
>+            $av_structure->{$tag}->{$letter}->{$category} = $libraries;
>+        }
>+        elsif ( $category eq 'itemtypes' ) {
>+            my $itemtypes = {
>+                map {
>+                    $_->itemtype => {
>+                        lib_opac => $_->translated_description,
>+                        lib      => $_->translated_description
>+                    }
>+                } Koha::ItemTypes->search()->as_list
>+            };
>+            $av_structure->{$tag}->{$letter}->{$category} = $itemtypes;
>+        }
>+        elsif ( $category eq 'cn_source' ) {
>+            my $cn_sources = {
>+                map {
>+                    $_->cn_source =>
>+                      { lib_opac => $_->description, lib => $_->description }
>+                } Koha::ClassSources->search()->as_list
>+            };
>+            $av_structure->{$tag}->{$letter}->{$category} = $cn_sources;
>+        }
>+        else {
>+            my $authorised_values = {
>+                map { $_->{authorised_value} => $_ }
>+                  @{ Koha::AuthorisedValues->search( { category => $category } )
>+                      ->unblessed
>+                  }
>+            };
>+            $av_structure->{$tag}->{$letter}->{$category} =
>+              $authorised_values;
>         }
>-        $authval_per_framework{$frameworkcode} = $av;
>     }
>-    return $authval_per_framework{$frameworkcode};
>+
>+    $cache->set_in_cache( $cache_key, $av_structure );
>+    return $av_structure;
> }
> 
> 1;
>diff --git a/t/db_dependent/Koha/Filter/ExpandAuthorizedValues.t b/t/db_dependent/Koha/Filter/ExpandAuthorizedValues.t
>index e2e6281dcc..ebdf9bb873 100644
>--- a/t/db_dependent/Koha/Filter/ExpandAuthorizedValues.t
>+++ b/t/db_dependent/Koha/Filter/ExpandAuthorizedValues.t
>@@ -62,6 +62,7 @@ subtest 'ExpandAuthorizedValues tests' => sub {
>     my $cache = Koha::Caches->get_instance;
>     $cache->clear_from_cache("MarcStructure-0-");
>     $cache->clear_from_cache("MarcStructure-1-");
>+    $cache->clear_from_cache("MarcAVStructure-1-");
>     $cache->clear_from_cache("default_value_for_mod_marc-");
>     $cache->clear_from_cache("MarcSubfieldStructure-");
> 
>-- 
>2.20.1

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