Display latest purchase in stats page

lib/music_library/records.ex

@@ -99,7 +99,7 @@ defmodule MusicLibrary.Records do
   def get_latest_record! do
     q =
       from r in Record,
-        order_by: [desc: r.inserted_at],
+        order_by: [desc: r.purchased_at],
         limit: 1,
         select: ^@fields
 

test/music_library_web/controllers/stats_controller_test.exs

@@ -42,7 +42,7 @@ defmodule MusicLibraryWeb.StatsControllerTest do
     end
 
     test "it shows the latest record", %{conn: conn, records: records} do
-      latest_record = Enum.max_by(records, & &1.inserted_at)
+      latest_record = Enum.max_by(records, & &1.purchased_at)
 
       conn = get(conn, "/")
 

test/support/fixtures/records_fixtures.ex

@@ -50,6 +50,7 @@ defmodule MusicLibrary.RecordsFixtures do
   def record_fixture(attrs \\ %{}) do
     record_musicbrainz_id = Ecto.UUID.generate()
     artist_name = Enum.random(@artists)
+    current_time = DateTime.utc_now()
 
     artists_attrs = [
       %{
@@ -71,6 +72,7 @@ defmodule MusicLibrary.RecordsFixtures do
         type: :album,
         format: Record.formats() |> Enum.random(),
         release: Enum.random(1969..2024) |> Integer.to_string(),
+        purchased_at: current_time,
         artists: artists_attrs
       })
       |> MusicLibrary.Records.create_record()