Pick color extraction strategy from dropdown

lib/music_library/worker/extract_colors.ex

@@ -0,0 +1,16 @@
+defmodule MusicLibrary.Worker.ExtractColors do
+  use Oban.Worker, queue: :heavy_writes, max_attempts: 3
+
+  alias MusicLibrary.{Colors, Records}
+
+  @impl Oban.Worker
+  def perform(%Oban.Job{args: %{"id" => record_id, "method" => method}}) do
+    record = MusicLibrary.Records.get_record!(record_id)
+    method = String.to_existing_atom(method)
+
+    with {:ok, colors} <- Colors.extract_colors(record.cover_data, method),
+         {:ok, updated_record} <- Records.update_record(record, %{dominant_colors: colors}) do
+      MusicLibrary.Records.notify_update(updated_record)
+    end
+  end
+end

lib/music_library/worker/generate_dominant_colors.ex

@@ -1,12 +0,0 @@
-defmodule MusicLibrary.Worker.GenerateDominantColors do
-  use Oban.Worker, queue: :heavy_writes, max_attempts: 3
-
-  @impl Oban.Worker
-  def perform(%Oban.Job{args: %{"id" => record_id}}) do
-    record = MusicLibrary.Records.get_record!(record_id)
-
-    with {:ok, updated_record} <- MusicLibrary.Records.generate_dominant_colors(record) do
-      MusicLibrary.Records.notify_update(updated_record)
-    end
-  end
-end