Prevent importing the same record twice

lib/music_library/records/record.ex

@@ -48,6 +48,7 @@ defmodule MusicLibrary.Records.Record do
     |> cast_embed(:artists, with: &artist_changeset/2)
     |> generate_cover_hash()
     |> validate_required([:type, :title, :musicbrainz_id, :release, :genres])
+    |> unique_constraint(:musicbrainz_id, name: "records_musicbrainz_id_format_index")
   end
 
   @doc false

lib/music_library_web/live/wishlist_live/index.ex

@@ -107,7 +107,13 @@ defmodule MusicLibraryWeb.WishlistLive.Index do
          |> push_navigate(to: ~p"/wishlist/#{record.id}")}
 
       {:error, %Ecto.Changeset{} = changeset} ->
-        {:noreply, assign(socket, form: to_form(changeset))}
+        {:noreply,
+         socket
+         |> put_flash(
+           :error,
+           gettext("Error importing record") <> "," <> inspect(changeset.errors)
+         )
+         |> push_patch(to: ~p"/wishlist")}
 
       {:error, reason} ->
         {:noreply,