Apply changes from team members in own editor

app/channels/synchronized_editor_channel.rb

@@ -0,0 +1,25 @@
+# frozen_string_literal: true
+
+class SynchronizedEditorChannel < ApplicationCable::Channel
+  def subscribed
+    stream_from specific_channel
+  end
+
+  def unsubscribed
+    # Any cleanup needed when channel is unsubscribed
+    stop_all_streams
+  end
+
+  def specific_channel
+    reject unless ProgrammingGroupPolicy.new(current_user, programming_group).stream_sync_editor?
+    "synchronized_editor_channel_group_#{programming_group.id}"
+  end
+
+  def programming_group
+    current_contributor if current_contributor.programming_group?
+  end
+
+  def send_changes(message)
+    ActionCable.server.broadcast(specific_channel, message['delta_with_user_id'])
+  end
+end