lib/wiki/article.rb in wiki-yggdrasil-0.3.2 vs lib/wiki/article.rb in wiki-yggdrasil-0.4.0

@@ -10,13 +10,18 @@
       raise ArgumentError unless Wiki::Yggdrasil::Article.is_valid_wiki_article?(uri: uri)
       @uri         = uri
       @summary     = nil
       @child_links = nil
       @name        = nil
+      @checksum    = nil
     end
     
     def summary
       @summary ||= Nokogiri::HTML(Nokogiri::HTML(open(self.uri)).to_s.split('<div id="toc" class="toc">')[0]).css('p') ## TODO: Cleanup
+    end
+
+    def checksum
+      Digest::MD5.hexdigest(@summary.to_s)
     end
 
     def child_links(help: false)
       formatted_links = format_links
       validated_links = formatted_links.select { |uri| Wiki::Yggdrasil::Article.is_valid_wiki_article?(uri: uri) }