Add searchability support

app/serializers/activitypub/actor_serializer.rb

@@ -7,13 +7,13 @@ class ActivityPub::ActorSerializer < ActivityPub::Serializer
   context :security
 
   context_extensions :manually_approves_followers, :featured, :also_known_as,
-                     :moved_to, :property_value, :discoverable, :olm, :suspended
+                     :moved_to, :property_value, :discoverable, :olm, :suspended, :searchable_by
 
   attributes :id, :type, :following, :followers,
              :inbox, :outbox, :featured, :featured_tags,
              :preferred_username, :name, :summary,
              :url, :manually_approves_followers,
-             :discoverable, :published
+             :discoverable, :published, :searchable_by
 
   has_one :public_key, serializer: ActivityPub::PublicKeySerializer
 
@@ -162,6 +162,10 @@ class ActivityPub::ActorSerializer < ActivityPub::Serializer
     object.created_at.midnight.iso8601
   end
 
+  def searchable_by
+    ActivityPub::TagManager.instance.account_searchable_by(object)
+  end
+
   class CustomEmojiSerializer < ActivityPub::EmojiSerializer
   end
 

app/serializers/activitypub/note_serializer.rb

@@ -3,13 +3,13 @@
 class ActivityPub::NoteSerializer < ActivityPub::Serializer
   include FormattingHelper
 
-  context_extensions :atom_uri, :conversation, :sensitive, :voters_count
+  context_extensions :atom_uri, :conversation, :sensitive, :voters_count, :searchable_by
 
   attributes :id, :type, :summary,
              :in_reply_to, :published, :url,
              :attributed_to, :to, :cc, :sensitive,
              :atom_uri, :in_reply_to_atom_uri,
-             :conversation
+             :conversation, :searchable_by
 
   attribute :content
   attribute :content_map, if: :language?
@@ -138,6 +138,10 @@ class ActivityPub::NoteSerializer < ActivityPub::Serializer
     end
   end
 
+  def searchable_by
+    ActivityPub::TagManager.instance.searchable_by(object)
+  end
+
   def local?
     object.account.local?
   end