Adding embedded PuSH server

app/workers/pubsubhubbub/distribution_worker.rb

@@ -0,0 +1,15 @@
+# frozen_string_literal: true
+
+class Pubsubhubbub::DistributionWorker
+  include Sidekiq::Worker
+
+  def perform(stream_entry_id)
+    stream_entry = StreamEntry.find(stream_entry_id)
+    account      = stream_entry.account
+    payload      = AccountsController.render(:show, assigns: { account: account, entries: [stream_entry] }, formats: [:atom])
+
+    Subscription.where(account: account).active.select('id').find_each do |subscription|
+      Pubsubhubbub::DeliveryWorker.perform_async(subscription.id, payload)
+    end
+  end
+end