adds cache key helper for locale+user status

app/helpers/cache_keys_helper.rb

@@ -0,0 +1,16 @@
+module CacheKeysHelper
+  def locale_and_user_status
+    @cache_key_user ||= calculate_user_status
+    "#{I18n.locale}/user:#{@cache_key_user}"
+  end
+
+  def calculate_user_status
+    user_status = if user_signed_in? && current_user.verified_at.present?
+      "verified"
+    elsif user_signed_in?
+      "signed"
+    else
+      "visitor"
+    end
+  end
+end