feat(chat): simplify socket response

Add helper methods to create the tuples `{:ok, socket}` and
`{:noreply, socket}`, and make them available in `SlaxWeb` module.

lib/slax_web/live/chat_room_live/edit.ex

@@ -43,33 +43,32 @@ defmodule SlaxWeb.ChatRoomLive.Edit do
         |> push_navigate(to: ~p"/")
       end
 
-    {:ok, socket}
+    ok(socket)
   end
 
   @impl Phoenix.LiveView
   def handle_event("save-room", %{"room" => room_params}, socket) do
-    socket =
-      case Chat.update_room(socket.assigns.room, room_params) do
-        {:ok, room} ->
-          socket
-          |> put_flash(:info, "Room #{room.name} updated succesfully")
-          |> push_navigate(to: ~p"/rooms/#{room}")
+    socket.assigns.room
+    |> Chat.update_room(room_params)
+    |> case do
+      {:ok, room} ->
+        socket
+        |> put_flash(:info, "Room #{room.name} updated succesfully")
+        |> push_navigate(to: ~p"/rooms/#{room}")
 
-        {:error, changeset} ->
-          assign_form(socket, changeset)
-      end
-
-    {:noreply, socket}
+      {:error, changeset} ->
+        assign_form(socket, changeset)
+    end
+    |> noreply()
   end
 
   @impl Phoenix.LiveView
   def handle_event("validate-room", %{"room" => room_params}, socket) do
-    changeset =
-      socket.assigns.room
-      |> Chat.change_room(room_params)
-      |> Map.put(:action, :validate)
-
-    {:noreply, assign_form(socket, changeset)}
+    socket.assigns.room
+    |> Chat.change_room(room_params)
+    |> Map.put(:action, :validate)
+    |> then(&assign_form(socket, &1))
+    |> noreply()
   end
 
   defp assign_form(socket, %Ecto.Changeset{} = changeset) do