Adding public timeline

app/channels/public_channel.rb

@@ -0,0 +1,19 @@
+# Be sure to restart your server when you modify this file. Action Cable runs in a loop that does not support auto reloading.
+class PublicChannel < ApplicationCable::Channel
+  def subscribed
+    stream_from 'timeline:public', -> (encoded_message) do
+      message = ActiveSupport::JSON.decode(encoded_message)
+
+      status = Status.find_by(id: message['id'])
+      next if status.nil?
+
+      message['message'] = FeedManager.instance.inline_render(current_user.account, status)
+
+      transmit message
+    end
+  end
+
+  def unsubscribed
+    # Any cleanup needed when channel is unsubscribed
+  end
+end