weseek__growi/apps/app/src/client/components/Maintenance/Maintenance.tsx

import type { JSX } from 'react';
import { useTranslation } from 'next-i18next';

import { apiv3Post } from '~/client/util/apiv3-client';
import { toastError } from '~/client/util/toastr';
import { useCurrentUser } from '~/states/global';

export const Maintenance = (): JSX.Element => {
  const { t } = useTranslation();

  const currentUser = useCurrentUser();

  const logoutHandler = async () => {
    try {
      await apiv3Post('/logout');
      window.location.reload();
    } catch (err) {
      toastError(err);
    }
  };

  return (
    <div className="text-center">
      <h1>
        <span className="material-symbols-outlined large">error</span>
      </h1>
      <h1 className="text-center">{t('maintenance_mode.maintenance_mode')}</h1>
      <h3>{t('maintenance_mode.growi_is_under_maintenance')}</h3>
      <hr />
      <div className="text-start">
        {currentUser?.admin && (
          <p>
            <span className="material-symbols-outlined">
              arrow_circle_right
            </span>
            <a className="btn btn-link" href="/admin">
              {t('maintenance_mode.admin_page')}
            </a>
          </p>
        )}
        {currentUser != null ? (
          <p>
            <span className="material-symbols-outlined">
              arrow_circle_right
            </span>
            <button
              type="button"
              className="btn btn-link"
              onClick={logoutHandler}
              id="maintanounse-mode-logout"
            >
              {t('maintenance_mode.logout')}
            </button>
          </p>
        ) : (
          <p>
            <span className="material-symbols-outlined">
              arrow_circle_right
            </span>
            <a className="btn btn-link" href="/login">
              {t('maintenance_mode.login')}
            </a>
          </p>
        )}
      </div>
    </div>
  );
};