Mapping language codes to names

.rubocop.yml

@@ -112,6 +112,7 @@ Rails/DynamicFindBy:
     - 'app/controllers/exhibits_controller.rb'
     - 'app/models/exhibit_proxy.rb'
     - 'app/decorators/applies_title_from_slug.rb'
+    - 'app/values/manifest_metadata.rb'
 
 RSpec/ExampleWording:
   CustomTransform:

Gemfile

@@ -77,6 +77,7 @@ gem 'sitemap_generator'
 gem 'blacklight-gallery', '>= 0.3.0'
 gem 'blacklight-oembed'
 gem 'devise_invitable'
+gem 'iso-639'
 gem 'iiif-presentation'
 gem 'omniauth-cas'
 gem 'sneakers'

Gemfile.lock

@@ -251,6 +251,7 @@ GEM
       activesupport (>= 3.2.18)
       faraday (~> 0.9.0)
       json
+    iso-639 (0.2.8)
     jbuilder (2.6.0)
       activesupport (>= 3.0.0, < 5.1)
       multi_json (~> 1.2)
@@ -554,6 +555,7 @@ DEPENDENCIES
   factory_girl_rails
   friendly_id!
   iiif-presentation
+  iso-639
   jbuilder (~> 2.0)
   jquery-rails
   omniauth-cas

app/values/manifest_metadata.rb

@@ -33,6 +33,8 @@ def process_values(input_hash)
       values.map! do |value|
         if value["@value"]
           value["@value"]
+        elsif key == 'Language'
+          ISO_639.find_by_code(value).try(:english_name) || value
         else
           value
         end

config/config.yml

@@ -6,7 +6,7 @@ defaults: &defaults
 
 development:
   <<: *defaults
-  all_collection_manifest_url: "http://localhost:3000/iiif/collections"
+  #all_collection_manifest_url: "http://localhost:3000/iiif/collections"
 
 test:
   <<: *defaults

spec/models/iiif_resource_spec.rb

@@ -48,6 +48,7 @@
         scanned_resource_doc = docs.find { |x| x["full_title_ssim"] == ["Christopher and his kind, 1929-1939"] }
         expect(scanned_resource_doc["readonly_date-created_tesim"]).to eq ['1976-01-01T00:00:00Z']
         expect(scanned_resource_doc["readonly_range-label_tesim"]).to eq nil
+        expect(scanned_resource_doc["readonly_language_tesim"]).to eq ["English"]
       end
     end
   end