better pagination

app/presenters/hyrax/text_presenter.rb

@@ -6,5 +6,13 @@ module Hyrax
   class TextPresenter < Hyku::WorkShowPresenter
     # Adds behaviors for hyrax-doi plugin.
     # include Hyrax::DOI::DOIPresenterBehavior
+
+    # OVERRIDE: Hyrax 2.9.6
+    def total_pages(members=nil)
+      # if we're hiding the derivatives, we won't have as many pages to show
+      pages = members.presence || total_items
+
+      (pages.to_f / rows_from_params.to_f).ceil
+    end
   end
 end

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

@@ -2,12 +2,15 @@
 <h2><%= t('.header') %></h2>
 <% array_of_ids = presenter.list_of_item_ids_to_display %>
 <% members = presenter.member_presenters_for(array_of_ids) %>
+<%# OVERRIDE: Hyrax 2.9.6 %>
+<% page_count = presenter.total_pages %>
 
 <%
   # OVERRIDE: Hyrax 2.9.6
   unless current_user&.has_role?(:admin, Site.instance) || current_user&.has_role?(:superadmin, Site.instance)
     # hide the jpg derivatives
     members = members.reject { |m| m.solr_document['is_derived_ssi'] == 'true' }
+    page_count = presenter.total_pages(members.count)
   end
 %>
 
@@ -27,7 +30,7 @@
     </tbody>
   </table>
   <div class="row">
-    <% if presenter.total_pages > 1 %>
+    <% if page_count > 1 %>
         <div class="row record-padding col-md-9">
           <%= paginate array_of_ids, outer_window: 2, theme: 'blacklight', param_name: :page, route_set: main_app %>
         </div><!-- /pager -->