reincluding some stuff

app/overrides/presenters/hyrax/work_show_presenter_override.rb

@@ -15,37 +15,37 @@ def scholarly?
     false
   end
 
-  # def fetch_primary_fileset_id
-  #   Rails.logger.info 'Hyrax::WorkShowPresenter#fetch_primary_fileset_id'
-  #   res = representative_id.blank? ? member_ids.first : representative_id
-  #   Rails.logger.info "res: #{res}"
-  #   res
-  # end
+  def fetch_primary_fileset_id
+    Rails.logger.info 'Hyrax::WorkShowPresenter#fetch_primary_fileset_id'
+    res = representative_id.blank? ? member_ids.first : representative_id
+    Rails.logger.info "res: #{res}"
+    res
+  end
 
 
     # @return FileSetPresenter presenter for the representative FileSets
-  # def representative_presenter
-  #   # Rails.logger.info "fetch primary check: #{fetch_primary_fileset_id.present?}"
-  #   # Rails.logger.info "Hyrax::WorkShowPresenter#representative_presenter"
-  #   # Rails.logger.info "representative_id: #{representative_id}"
-  #   # Rails.logger.info "member of collection ids: #{member_of_collection_ids.inspect}"
-  #   # Rails.logger.info "member ids: #{member_ids.inspect}"
-  #   condition = representative_id.blank? && member_ids.blank?
-  #   Rails.logger.info "condition: #{condition}"
-  #   return nil if fetch_primary_fileset_id.blank?
-  #   @representative_presenter ||=
-  #     begin
-  #       result = member_presenters([fetch_primary_fileset_id]).first
-  #       # Rails.logger.info "representative_presenter-result: #{result.inspect}"
-  #       return nil if result.try(:id) == id
-  #       # Rails.logger.info "representative_presenter-result-id: #{result.try(:id)}"
-  #       Rails.logger.info "representative_presenter-OR: #{result.try(:representative_presenter) || result}"
-  #       result.try(:representative_presenter) || result
-  #     rescue Hyrax::ObjectNotFoundError
-  #       # Hyrax.logger.warn "Unable to find representative_id #{temp} for work #{id}"
-  #       # Rails.logger.warn "Unable to find representative_id #{temp} for work #{id}"
-  #       # Rails.logger.info "Unable to find representative_id #{temp} for work #{id}"
-  #       return nil
-  #     end
-  # end
+  def representative_presenter
+    # Rails.logger.info "fetch primary check: #{fetch_primary_fileset_id.present?}"
+    # Rails.logger.info "Hyrax::WorkShowPresenter#representative_presenter"
+    # Rails.logger.info "representative_id: #{representative_id}"
+    # Rails.logger.info "member of collection ids: #{member_of_collection_ids.inspect}"
+    # Rails.logger.info "member ids: #{member_ids.inspect}"
+    condition = representative_id.blank? && member_ids.blank?
+    Rails.logger.info "condition: #{condition}"
+    return nil if fetch_primary_fileset_id.blank?
+    @representative_presenter ||=
+      begin
+        result = member_presenters([fetch_primary_fileset_id]).first
+        # Rails.logger.info "representative_presenter-result: #{result.inspect}"
+        return nil if result.try(:id) == id
+        # Rails.logger.info "representative_presenter-result-id: #{result.try(:id)}"
+        Rails.logger.info "representative_presenter-OR: #{result.try(:representative_presenter) || result}"
+        result.try(:representative_presenter) || result
+      rescue Hyrax::ObjectNotFoundError
+        # Hyrax.logger.warn "Unable to find representative_id #{temp} for work #{id}"
+        # Rails.logger.warn "Unable to find representative_id #{temp} for work #{id}"
+        # Rails.logger.info "Unable to find representative_id #{temp} for work #{id}"
+        return nil
+      end
+  end
 end

app/views/hyrax/base/_representative_media.html.erb

@@ -0,0 +1,9 @@
+<% if presenter.fetch_primary_fileset_id.present? && presenter.representative_presenter.present? %>
+  <% if defined?(viewer) && viewer %>
+    <%= iiif_viewer_display presenter %>
+  <% else %>
+    <%= render media_display_partial(presenter.representative_presenter), file_set: presenter.representative_presenter  %>
+  <% end %>
+<% else %>
+  <%= image_tag 'default.png', class: "canonical-image", alt: 'default representative image' %>
+<% end %>