Wishlist show page listens to record updates

lib/music_library_web/live/wishlist_live/show.ex

@@ -13,9 +13,13 @@ defmodule MusicLibraryWeb.WishlistLive.Show do
   alias MusicLibrary.Records
 
   @impl true
-  def mount(_params, _session, socket) do
+  def mount(%{"id" => record_id}, _session, socket) do
     current_date = DateTime.utc_now() |> DateTime.to_date()
 
+    if connected?(socket) do
+      Records.subscribe(record_id)
+    end
+
     {:ok,
      socket
      |> assign(current_section: :wishlist)
@@ -28,7 +32,6 @@ defmodule MusicLibraryWeb.WishlistLive.Show do
 
     {:noreply,
      socket
-     |> assign(:current_section, :wishlist)
      |> assign(:page_title, page_title(socket.assigns.live_action, record))
      |> assign(:record, record)}
   end
@@ -142,6 +145,14 @@ defmodule MusicLibraryWeb.WishlistLive.Show do
     {:noreply, assign(socket, :record, record)}
   end
 
+  @impl true
+  def handle_info({:update, record}, socket) do
+    {:noreply,
+     socket
+     |> put_flash(:info, gettext("Record updated in the background"))
+     |> assign(:record, record)}
+  end
+
   def page_title(action, record) do
     Enum.join(
       [