App\Http\Controllers\BaseAPIController::handleAction PHP Method

    protected function handleAction($request)
    {
        $entity = $request->entity();
        $action = $request->action;
        $repo = Utils::toCamelCase($this->entityType) . 'Repo';
        $this->{$repo}->{$action}($entity);
        return $this->itemResponse($entity);
    }