provide support to configure a view by default to show the title only (…

…#1869)

app/models/spotlight/blacklight_configuration.rb

@@ -319,7 +319,14 @@ def set_index_field_defaults(field)
       return unless index_fields.blank?
 
       views = default_blacklight_config.view.keys | [:show, :enabled]
-      field.merge! Hash[views.map { |v| [v, true] }]
+      field.merge! Hash[views.map { |v| [v, !title_only_by_default?(v)] }]
+    end
+
+    # Check to see whether config.view.foobar.title_only_by_default is available
+    def title_only_by_default?(view)
+      return false if [:show, :enabled].include?(view)
+      title_only = default_blacklight_config.view.send(:[], view).try(:title_only_by_default)
+      title_only.nil? ? false : title_only
     end
 
     def set_show_field_defaults(field)

lib/generators/spotlight/templates/catalog_controller.rb

@@ -22,5 +22,8 @@ class CatalogController < ApplicationController
     config.add_sort_field 'relevance', sort: 'score desc', label: 'Relevance'
 
     config.add_field_configuration_to_solr_request!
+
+    # Set which views by default only have the title displayed, e.g.,
+    # config.view.gallery.title_only_by_default = true
   end
 end

spec/models/spotlight/blacklight_configuration_spec.rb

@@ -289,6 +289,19 @@
 
       expect(subject.blacklight_config.show_fields.keys).to eq %w(c a b)
     end
+
+    context 'title only configuration' do
+      before do
+        blacklight_config.configure do |config|
+          config.view.gallery.title_only_by_default = true
+          config.add_index_field 'a'
+        end
+      end
+      it 'only shows titles (i.e., no metadata) for gallery view' do
+        expect(subject.blacklight_config.index_fields['a'][:list]).to eq true
+        expect(subject.blacklight_config.index_fields['a'][:gallery]).to eq false
+      end
+    end
   end
 
   describe 'a newly created instance' do