From e114b08af44fc1b6b9ec3b53a526eb688bd05ec6 Mon Sep 17 00:00:00 2001
From: Dominic Rubas <1042243+rubas@users.noreply.github.com>
Date: Sat, 26 Sep 2026 21:19:49 +0200
Subject: [PATCH] Translate nested resources under a parent with options

---
 lib/localize/routes.ex | 16 ++++++++++++++++
 test/routes_test.exs   | 21 +++++++++++++++++++++
 2 files changed, 37 insertions(+)

diff --git a/lib/localize/routes.ex b/lib/localize/routes.ex
index eeb71a9..5fed1e4 100644
--- a/lib/localize/routes.ex
+++ b/lib/localize/routes.ex
@@ -278,6 +278,22 @@ defmodule Localize.Routes do
     end
   end
 
+  defmacro localize(
+             locale,
+             {:resources, _, [path, controller, options, [do: {fun, _, _}] = nested]}
+           )
+           when fun != :localize do
+    nested = localize_nested_resources(locale, nested)
+
+    quote location: :keep do
+      localize unquote(locale) do
+        resources unquote(path), unquote(controller), unquote(options) do
+          unquote(nested)
+        end
+      end
+    end
+  end
+
   # Do the actual translations - locale is {%LanguageTag{}, gettext_locale_string}
   defmacro localize({locale, gettext_locale}, {verb, meta, [path | args]})
            when verb in @localizable_verbs do
diff --git a/test/routes_test.exs b/test/routes_test.exs
index ad387b0..775e587 100644
--- a/test/routes_test.exs
+++ b/test/routes_test.exs
@@ -1,3 +1,14 @@
+defmodule Localize.Routes.Test.NestedWithOptionsRouter do
+  use MyAppWeb, :router
+  use Localize.Routes, gettext: MyApp.Gettext
+
+  localize [:fr] do
+    resources "/users", UserController, only: [:index] do
+      resources("/faces", FaceController, only: [:index])
+    end
+  end
+end
+
 defmodule Localize.Routes.Test do
   use ExUnit.Case
   import Plug.Test
@@ -175,4 +186,14 @@ defmodule Localize.Routes.Test do
       assert header == ""
     end
   end
+
+  describe "Nested resources" do
+    test "a parent with options translates the nested path" do
+      paths =
+        Localize.Routes.Test.NestedWithOptionsRouter.__routes__()
+        |> Enum.map(& &1.path)
+
+      assert paths == ["/users_fr", "/users_fr/:user_id/faces_fr"]
+    end
+  end
 end