wallet-core/packages/taler-wallet-webextension/src/components/Diagnostics.tsx

/*
 This file is part of GNU Taler
 (C) 2021 Taler Systems S.A.

 GNU Taler is free software; you can redistribute it and/or modify it under the
 terms of the GNU General Public License as published by the Free Software
 Foundation; either version 3, or (at your option) any later version.

 GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
 WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
 A PARTICULAR PURPOSE.  See the GNU General Public License for more details.

 You should have received a copy of the GNU General Public License along with
 GNU Taler; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
 */

import { WalletDiagnostics } from "@gnu-taler/taler-util";
import { h } from "preact";
import { JSX } from "preact/jsx-runtime";
import { PageLink } from "../renderHtml";

interface Props {
  timedOut: boolean;
  diagnostics: WalletDiagnostics | undefined;
}

export function Diagnostics({
  timedOut,
  diagnostics,
}: Props): JSX.Element | null {
  if (timedOut) {
    return <p>Diagnostics timed out. Could not talk to the wallet backend.</p>;
  }

  if (diagnostics) {
    if (diagnostics.errors.length === 0) {
      return null;
    } else {
      return (
        <div
          style={{
            borderLeft: "0.5em solid red",
            paddingLeft: "1em",
            paddingTop: "0.2em",
            paddingBottom: "0.2em",
          }}
        >
          <p>Problems detected:</p>
          <ol>
            {diagnostics.errors.map((errMsg) => (
              <li key={errMsg}>{errMsg}</li>
            ))}
          </ol>
          {diagnostics.firefoxIdbProblem ? (
            <p>
              Please check in your <code>about:config</code> settings that you
              have IndexedDB enabled (check the preference name{" "}
              <code>dom.indexedDB.enabled</code>).
            </p>
          ) : null}
          {diagnostics.dbOutdated ? (
            <p>
              Your wallet database is outdated. Currently automatic migration is
              not supported. Please go{" "}
              <PageLink pageName="/reset-required">here</PageLink> to reset the
              wallet database.
            </p>
          ) : null}
        </div>
      );
    }
  }

  return <p>Running diagnostics ...</p>;
}