wallet-core/packages/demobank-ui/src/pages/QrCodeSection.tsx

/*
 This file is part of GNU Taler
 (C) 2022 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 {
  HttpStatusCode,
  stringifyWithdrawUri,
  WithdrawUriResult,
} from "@gnu-taler/taler-util";
import {
  RequestError,
  useTranslationContext,
} from "@gnu-taler/web-util/browser";
import { h, VNode } from "preact";
import { useEffect } from "preact/hooks";
import { QR } from "../components/QR.js";
import { useAccessAnonAPI } from "../hooks/access.js";
import { notifyError } from "../hooks/notification.js";
import { buildRequestErrorMessage } from "../utils.js";

export function QrCodeSection({
  withdrawUri,
  onAborted,
}: {
  withdrawUri: WithdrawUriResult;
  onAborted: () => void;
}): VNode {
  const { i18n } = useTranslationContext();
  useEffect(() => {
    //Taler Wallet WebExtension is listening to headers response and tab updates.
    //In the SPA there is no header response with the Taler URI so
    //this hack manually triggers the tab update after the QR is in the DOM.
    // WebExtension will be using
    // https://developer.chrome.com/docs/extensions/reference/tabs/#event-onUpdated
    document.title = `${document.title} ${withdrawUri.withdrawalOperationId}`;
  }, []);
  const talerWithdrawUri = stringifyWithdrawUri(withdrawUri);

  const { abortWithdrawal } = useAccessAnonAPI();
  return (
    <section id="main" class="content">
      <h1 class="nav">{i18n.str`Transfer to Taler Wallet`}</h1>
      <article>
        <div class="qr-div">
          <p>{i18n.str`Use this QR code to withdraw to your mobile wallet:`}</p>
          <QR text={talerWithdrawUri} />
          <p>
            <i18n.Translate>
              Click{" "}
              <a href={talerWithdrawUri}>{i18n.str`this taler:// link`}</a> to
              open your Taler wallet
            </i18n.Translate>{" "}
          </p>
          <br />
          <a
            class="pure-button btn-cancel"
            onClick={async (e) => {
              e.preventDefault();
              try {
                await abortWithdrawal(withdrawUri.withdrawalOperationId);
                onAborted();
              } catch (error) {
                if (error instanceof RequestError) {
                  notifyError(
                    buildRequestErrorMessage(i18n, error.cause, {
                      onClientError: (status) =>
                        status === HttpStatusCode.Conflict
                          ? i18n.str`The reserve operation has been confirmed previously and can't be aborted`
                          : undefined,
                    }),
                  );
                } else {
                  notifyError({
                    title: i18n.str`Operation failed, please report`,
                    description:
                      error instanceof Error
                        ? error.message
                        : JSON.stringify(error),
                  });
                }
              }
            }}
          >{i18n.str`Abort`}</a>
        </div>
      </article>
    </section>
  );
}