Basic controller for Rails app with graphql-ruby

basic_controller.rb

class ApplicationController < ActionController::Base
  include Pundit
  skip_forgery_protection

  rescue_from(StandardError) do |err|
    log_error(err)
    if Rails.env.development?
      render_error err
    else
      render_error Error::InternalServerError.new(code: err.class.to_s.sub(/:+/, "_").underscore.upcase)
    end
  end

  def render_error(err)
    data = {
      data: nil,
      errors: [
        {
          message: err.message,
          extensions: {
            code: err.try(:code) || "UNKNOWN_ERROR",
            level: "controller"
          }
        }
      ]
    }
    render json: data
  end

  private def log_error(error, extra = {})
    ServerError.log!(error, request: request, extra: extra)
  end

  def root
    @current_time = Time.current
  end

  def telegram_webhook
    TelegramBot::Router.execute(params.dig("message"))
    head :ok
  end

  private def current_user_session
    return if user_session_id.blank?

    @current_user_session ||= begin
      token = user_session_class.active.find_by(id: user_session_id)
      token if token.present? &&
          token.authenticated?(
            password: user_session_password,
            request: request
          )
    end
  end
end