lib/gutenberg_rdf/rdf.rb in gutenberg_rdf-1.0.0 vs lib/gutenberg_rdf/rdf.rb in gutenberg_rdf-1.0.1

@@ -1,9 +1,11 @@
 require 'date'
 
 module GutenbergRdf
   class Rdf
+    extend Gem::Deprecate
+
     attr_reader :xml
 
     def initialize(xml)
       @xml = xml.root
     end
@@ -46,10 +48,20 @@
     def publisher
       xml.elements['pgterms:ebook/dcterms:publisher'].text
     end
 
     def language
-      xml.elements['pgterms:ebook/dcterms:language/rdf:Description/rdf:value'].text
+      # xml.elements['pgterms:ebook/dcterms:language/rdf:Description/rdf:value'].text
+      languages.first
+    end
+    deprecate :language, :languages, 2020, 7
+
+    def languages
+      langs = []
+      xml.elements.each('pgterms:ebook/dcterms:language') do |language|
+        langs << language.elements['rdf:Description/rdf:value'].text
+      end
+      langs
     end
 
     def rights
       xml.elements['pgterms:ebook/dcterms:rights'].text
     end