WIP

app/controllers/concerns/account_controller_concern.rb

@@ -8,18 +8,11 @@ module AccountControllerConcern
   FOLLOW_PER_PAGE = 12
 
   included do
-    layout 'public'
-
-    before_action :set_instance_presenter
     before_action :set_link_headers, if: -> { request.format.nil? || request.format == :html }
   end
 
   private
 
-  def set_instance_presenter
-    @instance_presenter = InstancePresenter.new
-  end
-
   def set_link_headers
     response.headers['Link'] = LinkHeader.new(
       [

app/controllers/concerns/web_app_controller_concern.rb

@@ -0,0 +1,18 @@
+# frozen_string_literal: true
+
+module WebAppControllerConcern
+  extend ActiveSupport::Concern
+
+  included do
+    before_action :set_body_classes
+    before_action :set_referrer_policy_header
+  end
+
+  def set_body_classes
+    @body_classes = 'app-body'
+  end
+
+  def set_referrer_policy_header
+    response.headers['Referrer-Policy'] = 'origin'
+  end
+end