index range label, but exclude from display by default

.gitignore

@@ -17,4 +17,4 @@
 /tmp
 /coverage/*
 /public/uploads
-
+.byebug_history

app/controllers/catalog_controller.rb

@@ -17,7 +17,8 @@ def search_across_settings
   end
 
   def unique_custom_fields
-    Spotlight::CustomField.select(:field, :configuration).distinct.to_a.uniq(&:field)
+    Spotlight::CustomField.select(:field, :configuration).distinct.to_a
+                          .uniq(&:field).reject { |v| v.field == 'readonly_range-label_ssim' }
   end
 
   configure_blacklight do |config|

app/values/manifest_metadata.rb

@@ -93,9 +93,7 @@ def manifest_fields
     def range_labels(h)
       values = []
       (@manifest['structures'] || []).each do |s|
-        (s['ranges'] || []).each do |r|
-          values << r['label']
-        end
+        values << s['label']
       end
       h['Range label'] = values unless values.empty?
     end

spec/fixtures/iiif_responses.rb

@@ -51,6 +51,13 @@ def test_manifest1
             }
           ]
         }
+      ],
+      "structures": [
+        {
+          "@type": "sc:Range",
+          "label": "range label value",
+          "ranges": []
+        }
       ]
     }.to_json
   end

spec/services/iiif_manifest_spec.rb

@@ -60,5 +60,10 @@
         expect(manifest_service.to_solr["sort_author_ssi"]).to eq "John Doe"
       end
     end
+    describe 'range-label' do
+      it 'is a multi-value text field' do
+        expect(manifest_service.to_solr["readonly_range-label_tesim"]).to eq ["range label value"]
+      end
+    end
   end
 end