Fixed articles views.

app/helpers/articles_helper.rb

@@ -11,4 +11,9 @@ module ArticlesHelper
     classes += " just_updated" if article.recently_updated && article.availability
     classes
   end
+
+  # Flatten search params, used in import from external database
+  def search_params
+    Hash[params[:search].map { |k,v| [k, (v.is_a?(Array) ? v.join(" ") : v)] }]
+  end
 end