Include artists and cover in latest record JSON

lib/music_library_web.ex

@@ -50,6 +50,12 @@ defmodule MusicLibraryWeb do
     end
   end
 
+  def json do
+    quote do
+      unquote(verified_routes())
+    end
+  end
+
   def live_view do
     quote do
       use Phoenix.LiveView,

lib/music_library_web/controllers/collection_json.ex

@@ -1,5 +1,11 @@
 defmodule MusicLibraryWeb.CollectionJSON do
+  use MusicLibraryWeb, :json
+
   def show(%{record: record}) do
-    Map.take(record, [:title])
+    %{
+      artists: Enum.map(record.artists, & &1.name),
+      title: record.title,
+      cover_url: url(~p"/covers/#{record.id}?#{[vsn: record.cover_hash]}")
+    }
   end
 end

test/music_library_web/controllers/collection_controller_test.exs

@@ -4,7 +4,7 @@ defmodule MusicLibraryWeb.CollectionControllerTest do
   import MusicLibrary.RecordsFixtures
 
   defp create_record(_) do
-    %{record: record_fixture()}
+    %{record: record_fixture_with_artist("Steven Wilson")}
   end
 
   describe "GET /api/collection/latest" do
@@ -12,7 +12,12 @@ defmodule MusicLibraryWeb.CollectionControllerTest do
 
     test "it returns the latest record", %{conn: conn, record: record} do
       conn = get(conn, ~p"/api/collection/latest")
-      assert json_response(conn, 200) == %{"title" => record.title}
+
+      assert json_response(conn, 200) == %{
+               "artists" => ["Steven Wilson"],
+               "title" => record.title,
+               "cover_url" => "http://localhost:4002/covers/#{record.id}?vsn=#{record.cover_hash}"
+             }
     end
   end
 end