From 11fe293e1b318a12b75f0c5d1bb208fdbb46417e Mon Sep 17 00:00:00 2001
From: Eugen Rochko <eugen@zeonfederated.com>
Date: Wed, 27 Mar 2019 15:55:23 +0100
Subject: Remove unused ActivityPub `@context` values depending on response
 (#10378)

Fix #8078
---
 app/lib/activitypub/serializer.rb | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)
 create mode 100644 app/lib/activitypub/serializer.rb

(limited to 'app/lib/activitypub/serializer.rb')

diff --git a/app/lib/activitypub/serializer.rb b/app/lib/activitypub/serializer.rb
new file mode 100644
index 000000000..07bd8c494
--- /dev/null
+++ b/app/lib/activitypub/serializer.rb
@@ -0,0 +1,30 @@
+# frozen_string_literal: true
+
+class ActivityPub::Serializer < ActiveModel::Serializer
+  with_options instance_writer: false, instance_reader: true do |serializer|
+    serializer.class_attribute :_named_contexts
+    serializer.class_attribute :_context_extensions
+
+    self._named_contexts     ||= {}
+    self._context_extensions ||= {}
+  end
+
+  def self.inherited(base)
+    super
+
+    base._named_contexts     = _named_contexts.dup
+    base._context_extensions = _context_extensions.dup
+  end
+
+  def self.context(*named_contexts)
+    named_contexts.each do |context|
+      _named_contexts[context] = true
+    end
+  end
+
+  def self.context_extensions(*extension_names)
+    extension_names.each do |extension_name|
+      _context_extensions[extension_name] = true
+    end
+  end
+end
-- 
cgit