Display purchase date in details

lib/music_library_web/live/record_live/show.html.heex

@@ -53,6 +53,7 @@
         <%= genre %>
       </span>
     </:item>
+    <:item title="Purchased at"><%= @record.purchased_at %></:item>
     <:item title="Inserted at"><%= @record.inserted_at %></:item>
     <:item title="Updated at"><%= @record.updated_at %></:item>
   </.list>

test/music_library_web/live/record_show_test.exs

@@ -36,6 +36,7 @@ defmodule MusicLibraryWeb.RecordShowTest do
       assert html =~ Record.format_short_label(record.format)
       assert html =~ record.release
       assert html =~ ~p"/covers/#{record.id}?vsn=#{record.cover_hash}"
+      assert html =~ Phoenix.HTML.Safe.to_iodata(record.purchased_at)
       assert html =~ Phoenix.HTML.Safe.to_iodata(record.inserted_at)
       assert html =~ Phoenix.HTML.Safe.to_iodata(record.updated_at)