Bug 17387: add items embed to deleted biblios API

Signed-off-by: Michaela <michaela.sieber@kit.edu>
Sponsored-by: ByWater Solutions
Signed-off-by: Martin Renvoize <martin.renvoize@openfifth.co.uk>
Signed-off-by: Lucas Gass <lucas@bywatersolutions.com>

Koha/Old/Biblio.pm

@@ -25,6 +25,7 @@ use Koha::Biblioitem;
 use Koha::Biblio::Metadata;
 use Koha::Old::Biblio::Metadatas;
 use Koha::Old::Biblioitems;
+use Koha::Old::Items;
 use Koha::SearchEngine::Indexer;
 
 =head1 NAME
@@ -93,6 +94,19 @@ sub biblioitem {
     return Koha::Old::Biblioitems->find( { biblionumber => $self->biblionumber } );
 }
 
+=head3 items
+
+my $items = $deleted_biblio->items;
+
+Returns the related Koha::Old::Items for this deleted biblio
+
+=cut
+
+sub items {
+    my ($self) = @_;
+    return Koha::Old::Items->search( { biblionumber => $self->biblionumber } );
+}
+
 =head3 to_api
 
     my $json = $deleted_biblio->to_api;

api/v1/swagger/paths/deleted_biblios.yaml

@@ -14,6 +14,15 @@
       - $ref: "../swagger.yaml#/parameters/q_param"
       - $ref: "../swagger.yaml#/parameters/q_body"
       - $ref: "../swagger.yaml#/parameters/request_id_header"
+      - name: x-koha-embed
+        in: header
+        required: false
+        description: Embed list sent as a request header
+        type: array
+        items:
+          type: string
+          enum:
+            - items
     produces:
       - application/json
       - application/marcxml+xml