refactor: extract method

Author: kenjis

src/Controllers/RegisterController.php

@@ -6,6 +6,7 @@
 use CodeIgniter\Config\Factories;
 use CodeIgniter\Events\Events;
 use CodeIgniter\HTTP\RedirectResponse;
+use CodeIgniter\Shield\Authentication\Actions\ActionInterface;
 use CodeIgniter\Shield\Authentication\Authenticators\Session;
 use CodeIgniter\Shield\Entities\User;
 use CodeIgniter\Shield\Models\UserModel;
@@ -89,15 +90,8 @@ public function registerAction(): RedirectResponse
 
         // If an action has been defined for login, start it up.
         $actionClass = setting('Auth.actions')['register'] ?? null;
-
         if (! empty($actionClass)) {
-            $action = Factories::actions($actionClass); // @phpstan-ignore-line
-
-            if (method_exists($action, 'afterRegister')) {
-                $action->afterRegister($user);
-            }
-
-            session()->set('auth_action', $actionClass);
+            $this->startUpAction($actionClass, $user);
 
             return redirect()->to('auth/a/show');
         }
@@ -113,6 +107,23 @@ public function registerAction(): RedirectResponse
             ->with('message', lang('Auth.registerSuccess'));
     }
 
+    /**
+     * @param class-string<ActionInterface> $actionClass
+     */
+    private function startUpAction(string $actionClass, User $user)
+    {
+        // @TODO I want to move this logic to Authenticators\Session,
+        //      and create register() method in Authenticators\Session.
+
+        $action = Factories::actions($actionClass); // @phpstan-ignore-line
+
+        if (method_exists($action, 'afterRegister')) {
+            $action->afterRegister($user);
+        }
+
+        session()->set('auth_action', $actionClass);
+    }
+
     /**
      * Returns the User provider
      */