Allow custom attribute name for created_at

lib/ash_authentication/token_resource.ex

@@ -14,6 +14,11 @@ defmodule AshAuthentication.TokenResource do
           The Ash domain to use to access this resource.
           """
         ],
+        created_at_attribute_name: [
+          type: :atom,
+          doc: "The name of the `created_at` attribute on this resource.",
+          default: :created_at
+        ],
         expunge_expired_action_name: [
           type: :atom,
           doc: """

lib/ash_authentication/token_resource/transformer.ex

@@ -45,6 +45,8 @@ defmodule AshAuthentication.TokenResource.Transformer do
              public?: true
            ),
          :ok <- validate_jti_field(dsl_state),
+         {:ok, created_at} <-
+           TokenResource.Info.token_created_at_attribute_name(dsl_state),
          {:ok, dsl_state} <-
            maybe_build_attribute(dsl_state, :subject, :string, allow_nil?: false, writable?: true),
          :ok <- validate_subject_field(dsl_state),
@@ -68,7 +70,7 @@ defmodule AshAuthentication.TokenResource.Transformer do
              public?: true
            ),
          {:ok, dsl_state} <-
-           maybe_build_attribute(dsl_state, :created_at, :utc_datetime_usec,
+           maybe_build_attribute(dsl_state, created_at, :utc_datetime_usec,
              allow_nil?: false,
              public?: false,
              default: &DateTime.utc_now/0

test/ash_authentication/token_resource_test.exs

@@ -17,6 +17,12 @@ defmodule AshAuthentication.TokenResourceTest do
     end
   end
 
+  test "uses created_at" do
+    attribute = Ash.Resource.Info.attribute(Example.TokenWithCustomCreateTimestamp, :created_at)
+
+    assert :inserted_at = attribute.source
+  end
+
   def build_token do
     {:ok, token, claims} =
       build_user()

test/support/example.ex

@@ -6,6 +6,7 @@ defmodule Example do
     resource Example.User
     resource Example.UserWithTokenRequired
     resource Example.Token
+    resource Example.TokenWithCustomCreateTimestamp
     resource Example.UserIdentity
     resource Example.UserWithRegisterMagicLink
   end

test/support/example/token_with_custom_create_timestamp.ex

@@ -0,0 +1,10 @@
+defmodule Example.TokenWithCustomCreateTimestamp do
+  @moduledoc false
+  use Ash.Resource,
+    extensions: [AshAuthentication.TokenResource],
+    domain: Example
+
+  attributes do
+    create_timestamp :inserted_at
+  end
+end