Index Category.

app/indexers/work_indexer.rb

@@ -35,6 +35,12 @@ def generate_solr_document
           authority.find(code)[:label] if authority
         end.compact
       end
+      subject_authority = AuthorityFinder.for(property: :subject, model: object)
+      if subject_authority
+        solr_doc[Solrizer.solr_name("category", :facetable)] = object.send(:subject).map do |code|
+          subject_authority.find(code)[:vocabulary] if subject_authority
+        end.compact
+      end
       solr_doc[Solrizer.solr_name("language", :facetable)] = object.language.map do |code|
         AuthorityFinder.for(property: :language, model: object).try(:find, code).try(:[], :label) || LanguageService.label(code)
       end

app/models/vocabulary_subauthority.rb

@@ -26,7 +26,11 @@ def sub_vocabs
       Vocabulary.where(parent_id: @vocabulary.id).to_a
     end
 
+    def vocabulary(item)
+      item.try(:vocabulary) || item.try(:parent)
+    end
+
     def format_item(item)
-      { id: item.id, label: item.label, type: item.class.name, active: true }.with_indifferent_access
+      { id: item.id, label: item.label, type: item.class.name, vocabulary: vocabulary(item).try(:label), active: true }.with_indifferent_access
     end
 end

spec/models/ephemera_folder_spec.rb

@@ -143,6 +143,7 @@
       let(:folder) { FactoryGirl.build(:ephemera_folder, subject: [VocabularyTerm.first.id.to_s]) }
       it "Returns the label for the IDs" do
         expect(folder.to_solr["subject_sim"]).to eq ["English"]
+        expect(folder.to_solr["category_sim"]).to eq ["Test"]
       end
     end
   end

spec/models/vocabulary_subauthority_spec.rb

@@ -7,13 +7,13 @@
   subject { described_class.new(parent.label) }
 
   it 'lists terms and vocabularies' do
-    child_hash = { id: child.id, label: child.label, type: child.class.name, active: true }.with_indifferent_access
-    term_hash = { id: term.id, label: term.label, type: term.class.name, active: true }.with_indifferent_access
+    child_hash = { id: child.id, label: child.label, type: child.class.name, vocabulary: 'Parent Vocabulary', active: true }.with_indifferent_access
+    term_hash = { id: term.id, label: term.label, type: term.class.name, vocabulary: 'Parent Vocabulary', active: true }.with_indifferent_access
     expect(subject.all).to contain_exactly(child_hash, term_hash)
   end
 
   it 'finds terms by their ids' do
-    term_hash = { id: term.id, label: term.label, type: term.class.name, active: true }.with_indifferent_access
+    term_hash = { id: term.id, label: term.label, type: term.class.name, vocabulary: 'Parent Vocabulary', active: true }.with_indifferent_access
     expect(subject.find(term.id)).to eq(term_hash)
   end
 end