From 4f456322fc0d405dbd95918ce7fbea75691cd49b Mon Sep 17 00:00:00 2001
From: Claudio Ortolina <cloud8421@gmail.com>
Date: Sat, 21 Dec 2024 14:38:39 +0000
Subject: [PATCH] Bootstrap the /api namespace

---
 .../controllers/collection_controller.ex       | 11 +++++++++++
 .../controllers/collection_json.ex             |  5 +++++
 lib/music_library_web/router.ex                |  6 ++++++
 .../controllers/collection_controller_test.exs | 18 ++++++++++++++++++
 4 files changed, 40 insertions(+)
 create mode 100644 lib/music_library_web/controllers/collection_controller.ex
 create mode 100644 lib/music_library_web/controllers/collection_json.ex
 create mode 100644 test/music_library_web/controllers/collection_controller_test.exs

diff --git a/lib/music_library_web/controllers/collection_controller.ex b/lib/music_library_web/controllers/collection_controller.ex
new file mode 100644
index 00000000..93500fe0
--- /dev/null
+++ b/lib/music_library_web/controllers/collection_controller.ex
@@ -0,0 +1,11 @@
+defmodule MusicLibraryWeb.CollectionController do
+  use MusicLibraryWeb, :controller
+
+  alias MusicLibrary.Collection
+
+  def latest(conn, _params) do
+    latest_record = Collection.get_latest_record!()
+
+    render(conn, :show, record: latest_record)
+  end
+end
diff --git a/lib/music_library_web/controllers/collection_json.ex b/lib/music_library_web/controllers/collection_json.ex
new file mode 100644
index 00000000..d9302f34
--- /dev/null
+++ b/lib/music_library_web/controllers/collection_json.ex
@@ -0,0 +1,5 @@
+defmodule MusicLibraryWeb.CollectionJSON do
+  def show(%{record: record}) do
+    Map.take(record, [:title])
+  end
+end
diff --git a/lib/music_library_web/router.ex b/lib/music_library_web/router.ex
index ebebb304..41dd10e7 100644
--- a/lib/music_library_web/router.ex
+++ b/lib/music_library_web/router.ex
@@ -50,6 +50,12 @@ defmodule MusicLibraryWeb.Router do
     end
   end
 
+  scope "/api", MusicLibraryWeb do
+    pipe_through :api
+
+    get "/collection/latest", CollectionController, :latest
+  end
+
   # Other scopes may use custom stacks.
   # scope "/api", MusicLibraryWeb do
   #   pipe_through :api
diff --git a/test/music_library_web/controllers/collection_controller_test.exs b/test/music_library_web/controllers/collection_controller_test.exs
new file mode 100644
index 00000000..293db4fb
--- /dev/null
+++ b/test/music_library_web/controllers/collection_controller_test.exs
@@ -0,0 +1,18 @@
+defmodule MusicLibraryWeb.CollectionControllerTest do
+  use MusicLibraryWeb.ConnCase
+
+  import MusicLibrary.RecordsFixtures
+
+  defp create_record(_) do
+    %{record: record_fixture()}
+  end
+
+  describe "GET /api/collection/latest" do
+    setup [:create_record]
+
+    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}
+    end
+  end
+end