added active promoted statuses to initial state

app/serializers/initial_state_serializer.rb

@@ -2,7 +2,8 @@
 
 class InitialStateSerializer < ActiveModel::Serializer
  attributes :meta, :compose, :accounts,
- :media_attachments, :settings
+ :media_attachments, :settings,
+ :promotions
 
  has_one :push_subscription, serializer: REST::WebPushSubscriptionSerializer
 
@@ -65,6 +66,10 @@ class InitialStateSerializer < ActiveModel::Serializer
  { accept_content_types: MediaAttachment::IMAGE_FILE_EXTENSIONS + MediaAttachment::VIDEO_FILE_EXTENSIONS + MediaAttachment::IMAGE_MIME_TYPES + MediaAttachment::VIDEO_MIME_TYPES }
  end
 
+ def promotions
+ ActiveModelSerializers::SerializableResource.new(Promotion.active, each_serializer: REST::PromotionSerializer)
+ end
+
  private
 
  def instance_presenter

app/serializers/rest/promotion_serializer.rb

+# frozen_string_literal: true
+
+class REST::PromotionSerializer < ActiveModel::Serializer
+ attributes :status_id, :timeline_id, :position
+end