Convert stats page to a live view

lib/music_library_web/controllers/stats_html.ex

@@ -1,7 +0,0 @@
-defmodule MusicLibraryWeb.StatsHTML do
-  use MusicLibraryWeb, :html
-
-  alias MusicLibrary.Records.Record
-
-  embed_templates "stats_html/*"
-end

lib/music_library_web/live/stats_live/index.ex

@@ -1,9 +1,10 @@
-defmodule MusicLibraryWeb.StatsController do
-  use MusicLibraryWeb, :controller
+defmodule MusicLibraryWeb.StatsLive.Index do
+  use MusicLibraryWeb, :live_view
 
   alias MusicLibrary.{Records, Wishlist}
+  alias Records.Record
 
-  def index(conn, _params) do
+  def mount(_params, _session, socket) do
     collection_count_by_format =
       Records.count_records_by_format()
       |> Enum.sort_by(fn {_format, count} -> count end, :desc)
@@ -19,15 +20,16 @@ defmodule MusicLibraryWeb.StatsController do
 
     latest_record = Records.get_latest_record!()
 
-    conn
-    |> assign(:page_title, gettext("Stats"))
-    |> render(:index,
-      collection_count_by_format: collection_count_by_format,
-      collection_count_by_type: collection_count_by_type,
-      collection_count: collection_count,
-      wishlist_count: wishlist_count,
-      latest_record: latest_record,
-      nav_section: :stats
-    )
+    {:ok,
+     socket
+     |> assign(
+       page_title: gettext("Stats"),
+       collection_count_by_format: collection_count_by_format,
+       collection_count_by_type: collection_count_by_type,
+       collection_count: collection_count,
+       wishlist_count: wishlist_count,
+       latest_record: latest_record,
+       nav_section: :stats
+     )}
   end
 end

lib/music_library_web/router.ex

@@ -29,7 +29,8 @@ defmodule MusicLibraryWeb.Router do
       pipe_through :require_login
 
       get "/covers/:record_id", CoverController, :show
-      get "/", StatsController, :index
+
+      live "/", StatsLive.Index, :index
 
       live "/records", RecordLive.Index, :index
       live "/records/import", RecordLive.Index, :import

priv/gettext/default.pot

@@ -84,7 +84,7 @@ msgid "Logout"
 msgstr ""
 
 #: lib/music_library_web/components/layouts/app.html.heex:7
-#: lib/music_library_web/controllers/stats_controller.ex:23
+#: lib/music_library_web/live/stats_live/index.ex:26
 #, elixir-autogen, elixir-format
 msgid "Stats"
 msgstr ""
@@ -305,32 +305,32 @@ msgstr ""
 msgid "Login"
 msgstr ""
 
-#: lib/music_library_web/controllers/stats_html/index.html.heex:17
+#: lib/music_library_web/live/stats_live/index.html.heex:17
 #, elixir-autogen, elixir-format
 msgid "Latest purchase"
 msgstr ""
 
-#: lib/music_library_web/controllers/stats_html/index.html.heex:38
+#: lib/music_library_web/live/stats_live/index.html.heex:38
 #, elixir-autogen, elixir-format
 msgid "Total collection"
 msgstr ""
 
-#: lib/music_library_web/controllers/stats_html/index.html.heex:53
+#: lib/music_library_web/live/stats_live/index.html.heex:53
 #, elixir-autogen, elixir-format
 msgid "Total wishlist"
 msgstr ""
 
-#: lib/music_library_web/controllers/stats_html/index.html.heex:3
+#: lib/music_library_web/live/stats_live/index.html.heex:3
 #, elixir-autogen, elixir-format
 msgid "Basics"
 msgstr ""
 
-#: lib/music_library_web/controllers/stats_html/index.html.heex:70
+#: lib/music_library_web/live/stats_live/index.html.heex:70
 #, elixir-autogen, elixir-format
 msgid "Formats"
 msgstr ""
 
-#: lib/music_library_web/controllers/stats_html/index.html.heex:91
+#: lib/music_library_web/live/stats_live/index.html.heex:91
 #, elixir-autogen, elixir-format
 msgid "Types"
 msgstr ""

test/music_library_web/live/stats_index_test.exs

@@ -1,9 +1,9 @@
-defmodule MusicLibraryWeb.StatsControllerTest do
+defmodule MusicLibraryWeb.StatsIndexTest do
   use MusicLibraryWeb.ConnCase
 
-  alias MusicLibrary.Records.Record
-
+  import Phoenix.LiveViewTest
   import MusicLibrary.RecordsFixtures
+  alias MusicLibrary.Records.Record
 
   defp fill_collection(_) do
     records = Enum.map(1..99, fn _ -> record_fixture() end)
@@ -28,24 +28,22 @@ defmodule MusicLibraryWeb.StatsControllerTest do
       conn: conn,
       collection: collection
     } do
-      conn = get(conn, "/")
+      {:ok, _stats_live, html} = live(conn, "/")
 
-      response = html_response(conn, 200)
-
-      assert response =~ collection |> length() |> Integer.to_string()
+      assert html =~ collection |> length() |> Integer.to_string()
 
       collection
       |> Enum.frequencies_by(& &1.format)
       |> Enum.each(fn {format, count} ->
-        assert response =~ "\n#{count}\n"
-        assert response =~ "\n#{Record.format_long_label(format)}\n"
+        assert html =~ "\n#{count}\n"
+        assert html =~ "\n#{Record.format_long_label(format)}\n"
       end)
 
       collection
       |> Enum.frequencies_by(& &1.type)
       |> Enum.each(fn {type, count} ->
-        assert response =~ "\n#{count}\n"
-        assert response =~ "\n#{Record.type_long_label(type)}\n"
+        assert html =~ "\n#{count}\n"
+        assert html =~ "\n#{Record.type_long_label(type)}\n"
       end)
     end
 
@@ -54,21 +52,19 @@ defmodule MusicLibraryWeb.StatsControllerTest do
       # highest purchsed_at value doesn't work, as it picks the wrong value.
       latest_record = List.last(collection)
 
-      conn = get(conn, "/")
+      {:ok, _stats_live, html} = live(conn, "/")
 
-      assert html_response(conn, 200) =~ escape(latest_record.title)
+      assert html =~ escape(latest_record.title)
 
       for artist <- latest_record.artists do
-        assert html_response(conn, 200) =~ escape(artist.name)
+        assert html =~ escape(artist.name)
       end
     end
 
     test "it shows the wishlist total count", %{conn: conn, wishlist: wishlist} do
-      conn = get(conn, "/")
+      {:ok, _stats_live, html} = live(conn, "/")
 
-      response = html_response(conn, 200)
-
-      assert response =~ wishlist |> length() |> Integer.to_string()
+      assert html =~ wishlist |> length() |> Integer.to_string()
     end
   end
 end