Avoid calling representative_presenter for each child work on a parent show page

app/indexers/chf/generic_work_indexer.rb

@@ -28,6 +28,13 @@ def generate_solr_document
           # If the thing isn't found in the license service, just ignore it.
           license_service.authority.find(id).fetch('term', nil)
         end.compact
+
+        if object.representative_id && object.representative
+          # need to index these for when it's a child work on a parent's show page
+          doc[ActiveFedora.index_field_mapper.solr_name('representative_width', type: :integer)] = object.representative.width.first if object.representative.width.present?
+          doc[ActiveFedora.index_field_mapper.solr_name('representative_height', type: :integer)] = object.representative.height.first if object.representative.height.present?
+          doc[ActiveFedora.index_field_mapper.solr_name('representative_original_file_id')] = object.representative.original_file.id if object.representative.original_file
+        end
       end
     end
 

app/presenters/curation_concerns/generic_work_show_presenter.rb

@@ -81,18 +81,15 @@ def show_thumb_member_presenters
     end
 
     def riiif_file_id
-      return if representative_presenter.nil?
-      representative_presenter.riiif_file_id
+      solr_document[ActiveFedora.index_field_mapper.solr_name('representative_original_file_id')]
     end
 
     def representative_height
-      return if representative_presenter.nil?
-      representative_presenter.height
+      solr_document[ActiveFedora.index_field_mapper.solr_name('representative_height', type: :integer)]
     end
 
     def representative_width
-      return if representative_presenter.nil?
-      representative_presenter.width
+      solr_document[ActiveFedora.index_field_mapper.solr_name('representative_width', type: :integer)]
     end
   end
 end