Call broadcast function from app configured module.

ui/lib/ui_web/channels/user_socket.ex

@@ -30,4 +30,9 @@ defmodule UiWeb.UserSocket do
   #
   # Returning `nil` makes this socket anonymous.
   def id(_socket), do: nil
+
+  def broadcast_progress(progress) do
+    IO.puts("in user socket!")
+    UiWeb.Endpoint.broadcast("morse:progress", "update", %{value: progress})
+  end
 end

ui/lib/ui_web/endpoint.ex

@@ -17,6 +17,7 @@ defmodule UiWeb.Endpoint do
 
   # Code reloading can be explicitly enabled under the
   # :code_reloader configuration of your endpoint.
+  IO.inspect code_reloading?
   if code_reloading? do
     socket "/phoenix/live_reload/socket", Phoenix.LiveReloader.Socket
     plug Phoenix.LiveReloader