Added dynamic facets.

OregonDigital · Mar 21, 2014 · e39b8b0 · e39b8b0
1 parent 928aa4e
commit e39b8b0
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Showing 2 changed files with 19 additions and 8 deletions.
diff --git a/config/locales/oregondigital.en.yml b/config/locales/oregondigital.en.yml
@@ -3,3 +3,7 @@ en:
     catalog:
       show:
         title: Title
+      facet:
+        subject: Topic
+        location: Region
+        set: Collection
diff --git a/lib/oregon_digital/catalog/facets.rb b/lib/oregon_digital/catalog/facets.rb
@@ -23,17 +23,24 @@ module Facets
           #
           # :show may be set to false if you don't want the facet to be drawn in the
           # facet bar
-          config.add_facet_field solr_name('desc_metadata__hasFormat',:facetable), :label => 'Format'
-          config.add_facet_field solr_name('desc_metadata__date', :facetable), :label => 'Publication Year', :single => true
-          config.add_facet_field solr_name('desc_metadata__subject', :facetable), :label => 'Topic', :limit => 20, :helper_method => :controlled_view
-          config.add_facet_field solr_name('desc_metadata__subject_label', :facetable), :show => false
-          config.add_facet_field solr_name('desc_metadata__location', :facetable), :label => 'Region', :helper_method => :controlled_view
-          config.add_facet_field solr_name('desc_metadata__location_label', :facetable), :show => false
-          config.add_facet_field solr_name('desc_metadata__set', :facetable), :label => 'Collection', :helper_method => :controlled_view
-          config.add_facet_field solr_name('desc_metadata__set_label', :facetable), :show => false
+          controlled_vocabularies.each do |key|
+            config.add_facet_field solr_name("desc_metadata__#{key}", :facetable), :helper_method => :controlled_view, :label => I18n.t("oregondigital.catalog.facet.#{key}",key.humanize)
+            config.add_facet_field solr_name("desc_metadata__#{key}_label", :facetable), :show => false
+          end
           config.add_facet_fields_to_solr_request!
         end
       end
+
+      module ClassMethods
+        def controlled_vocabularies
+          Datastream::OregonRDF.properties.map do |key, property|
+            instance = property[:class_name].new if property[:class_name]
+            if instance && (instance.class.ancestors.include?(OregonDigital::RDF::Controlled) || (instance.respond_to?(:resource) && instance.resource.class.ancestors.include?(OregonDigital::RDF::Controlled)))
+              key
+            end
+          end.compact
+        end
+      end
     end
   end
 end