adding session order and page to back link

app/helpers/debates_helper.rb

@@ -0,0 +1,10 @@
+module DebatesHelper
+  def return_query_params
+    hash = { order: session.delete(:return_order) }
+    hash.merge(page_hash) if session[:return_page]
+  end
+
+  def page_hash
+    { page: session.delete(:return_page) }
+  end
+end