Add clan base64 support

Author: vtm9

services/app/apps/codebattle/lib/codebattle/auth/external.ex

@@ -61,6 +61,5 @@ defmodule Codebattle.Auth.External do
     |> Map.get(:body)
     |> Map.take(["default_avatar_id", "id", "is_avatar_empty"])
     |> Runner.AtomizedMap.atomize()
-    |> dbg()
   end
 end

services/app/apps/codebattle/lib/codebattle_web/controllers/ext_api/executor_controller.ex

@@ -153,7 +153,13 @@ defmodule CodebattleWeb.ExtApi.UserController do
     cast_changeset_attribute(changeset, :name, current_name <> generate_random_postfix())
   end
 
-  defp cast_clan(attrs, %{"clan" => clan}), do: cast_attribute(attrs, :clan, clan)
+  defp cast_clan(attrs, %{"clan" => clan}) do
+    try do
+      cast_attribute(attrs, :clan, Base.decode64!(clan))
+    rescue
+      _ -> cast_attribute(attrs, :clan, clan)
+    end
+  end
   defp cast_clan(attrs, _params), do: attrs
 
   defp build_random_name do

services/app/apps/codebattle/lib/codebattle_web/controllers/ext_api/user_controller.ex

@@ -15,11 +15,11 @@ defmodule CodebattleWeb.ExtApi.UserControllerTest do
     test "creates user with clan and auth token", %{conn: conn} do
       conn
       |> put_req_header("x-auth-key", "x-key")
-      |> post(Routes.ext_api_user_path(conn, :create, %{name: "lol", clan: "kek", UID: "asdf", category: "cat"}))
+      |> post(Routes.ext_api_user_path(conn, :create, %{name: "lol", clan: "S2xhbg==", UID: "asdf", category: "cat"}))
       |> json_response(200)
 
       user = Repo.get_by(User, name: "lol")
-      clan = Repo.get_by(Clan, name: "kek")
+      clan = Repo.get_by(Clan, name: "Klan")
       assert "cat" == user.category
       assert "asdf" == user.external_oauth_id
       assert 1 == clan.creator_id