Attachment 138063 Details for Bug 31224 – [POC] Bug 31224: Add Koha::Biblio->metadata_record

[patch] [POC] Bug 31224: Add Koha::Biblio->metadata_record

POC-Bug-31224-Add-KohaBiblio-metadatarecord.patch (text/plain), 3.16 KB, created by Tomás Cohen Arazi (tcohen) on 2022-07-22 21:06:36 UTC

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Creator: Tomás Cohen Arazi (tcohen)

Created: 2022-07-22 21:06:36 UTC

Size: 3.16 KB

patch

obsolete

>From 856e7011b711e38595926838ba002936824bbe25 Mon Sep 17 00:00:00 2001
>From: Tomas Cohen Arazi <tomascohen@theke.io>
>Date: Fri, 22 Jul 2022 17:42:35 -0300
>Subject: [PATCH] [POC] Bug 31224: Add Koha::Biblio->metadata_record
>
>This patch introduces a higher-level method for retrieving a 'prepared'
>record for using in specific contexts. In particular, I only focused on
>embedding item information and OPAC view filtering. But we could add a
>way to get the record through the ViewPolicy also for staff.
>
>The virtue of this patch is that it explains better than my words why I
>think having the *embed_items* and *opac* parameters in
>Koha::Biblio::Metadata->record is not ideal. And makes the other
>implementation feel like is done at the wrong level.
>
>I know it's been done like that to act as a drop-in replacement fro GetMarcBiblio,
>which was a good first step. But we need to revisit how it is used, in general, to come
>up with a more refined and useful design. So we do not port the same
>design problems from C4::* into Koha::*.
>
>Try to think how it would be used in contexts like opac-MARCdetail.pl or
>any other OPAC controller script.
>
>Thanks!
>---
> Koha/Biblio.pm | 66 ++++++++++++++++++++++++++++++++++++++++++++++++++
> 1 file changed, 66 insertions(+)
>
>diff --git a/Koha/Biblio.pm b/Koha/Biblio.pm
>index 0af49b939ec..a41dc23c42b 100644
>--- a/Koha/Biblio.pm
>+++ b/Koha/Biblio.pm
>@@ -88,6 +88,72 @@ sub metadata {
>     return Koha::Biblio::Metadata->_new_from_dbic($metadata);
> }
> 
>+=head3 metadata_record
>+
>+    my $record = $biblio->metadata_record(
>+        {
>+            [ embed_items => 1|0,
>+              opac        => 1|0,
>+              patron      => $patron,
>+              expand_coded_fields => 1|0 ]
>+        }
>+    );
>+
>+Returns the metadata serialized as appropriate for the metadata object
>+type. Currently only I<MARC::Record> objects are returned.
>+
>+=cut
>+
>+sub metadata_record {
>+    my ($self, $params) = @_;
>+
>+    my $patron = $params->{patron};
>+
>+    my $record = $self->metadata->record;
>+
>+    if ( $params->{embed_items} or $params->{opac} ) {
>+        # There's need for a RecordProcessor, let's do it!
>+        my @filters;
>+        my $options = {
>+            interface     => 'opac',
>+            frameworkcode => $self->frameworkcode,
>+        };
>+
>+        if ($params->{embed_items}) {
>+            push @filters, 'EmbedItems';
>+            if ($params->{opac}) {
>+                $options->{items} = $self->items->filter_by_visible_in_opac(
>+                    {
>+                        ( $params->{patron} ? patron => $params->{patron} : ())
>+                    }
>+                );
>+            }
>+            else {
>+                $options->{items} = $self->items;
>+            }
>+        }
>+
>+        if ( $params->{opac} ) {
>+            push @filters, 'ViewPolicy';
>+        }
>+
>+        if ( $params->{expand_coded_fields} ) {
>+            push @filters, 'ExpandCodedFields';
>+        }
>+
>+        my $rp = Koha::RecordProcessor->new(
>+            {
>+                filters => \@filters,
>+                options => $options
>+            }
>+        );
>+
>+        $rp->process( $record );
>+    }
>+
>+    return $record;
>+}
>+
> =head3 orders
> 
> my $orders = $biblio->orders();
>-- 
>2.34.1

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