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,
  TranslatedString,
  WithdrawUriResult,
} from "@gnu-taler/taler-util";
import {
  notify,
  notifyError,
  RequestError,
  useTranslationContext,
} from "@gnu-taler/web-util/browser";
import { Fragment, h, VNode } from "preact";
import { useEffect } from "preact/hooks";
import { QR } from "../components/QR.js";
import { useAccessAnonAPI } from "../hooks/access.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();

  async function doAbort() {
    try {
      await abortWithdrawal(withdrawUri.withdrawalOperationId);
      onAborted();
    } catch (error) {
      if (error instanceof RequestError) {
        notify(
          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(
          i18n.str`Operation failed, please report`,
          (error instanceof Error
            ? error.message
            : JSON.stringify(error)) as TranslatedString
        )
      }
    }
  }

  return (
    <Fragment>
      <div class="bg-white shadow-xl sm:rounded-lg">
        <div class="px-4 py-5 sm:p-6">
          <h3 class="text-base font-semibold leading-6 text-gray-900">
            <i18n.Translate>If you have a Taler wallet installed in this device</i18n.Translate>
          </h3>
          <div class="mt-4">
            <a href={talerWithdrawUri}
              // class="text-sm font-semibold leading-6 text-gray-900 btn "
              class="inline-flex items-center  disabled:opacity-50 disabled:cursor-default cursor-pointer rounded-md bg-indigo-600 px-3 py-2 text-sm font-semibold text-white shadow-sm hover:bg-indigo-500 focus-visible:outline focus-visible:outline-2 focus-visible:outline-offset-2 focus-visible:outline-indigo-600"
            >
              <i18n.Translate>Click here to start</i18n.Translate>
            </a>
          </div>
          <div class="mt-4 max-w-xl text-sm text-gray-500">
            <p><i18n.Translate>
              You will see the details of the operation in your wallet including the fees (if applies).
              If you still one you can install it from <a class="font-semibold text-gray-500 hover:text-gray-400" href="https://taler.net/en/wallet.html">here</a>.
            </i18n.Translate></p>
          </div>
          <div class="flex items-center justify-between gap-x-6 border-t border-gray-900/10 pt-2 mt-2 ">
            <div />
            <button type="button"
              class="disabled:opacity-50 disabled:cursor-default cursor-pointer rounded-md bg-red-600 px-3 py-2 text-sm font-semibold text-white shadow-sm hover:bg-red-500 focus-visible:outline focus-visible:outline-2 focus-visible:outline-offset-2 focus-visible:outline-red-600"
              onClick={doAbort}
            >
              Cancel withdrawal
            </button>
          </div>
        </div>
      </div>

      <div class="bg-white shadow-xl sm:rounded-lg mt-8">
        <div class="px-4 py-5 sm:p-6">
          <h3 class="text-base font-semibold leading-6 text-gray-900">
            <i18n.Translate>Or if you have the wallet in another device</i18n.Translate>
          </h3>
          <div class="mt-4 max-w-xl text-sm text-gray-500">
            <i18n.Translate>Scan the QR below to start the withdrawal</i18n.Translate>
          </div>
          <div class="mt-2 max-w-md ml-auto mr-auto">
            <QR text={talerWithdrawUri} />
          </div>
        </div>
        <div class="flex items-center justify-center gap-x-6 border-t border-gray-900/10 px-4 py-4 sm:px-8">
          <button type="button"
            class="disabled:opacity-50 disabled:cursor-default cursor-pointer rounded-md bg-red-600 px-3 py-2 text-sm font-semibold text-white shadow-sm hover:bg-red-500 focus-visible:outline focus-visible:outline-2 focus-visible:outline-offset-2 focus-visible:outline-red-600"
            onClick={doAbort}
          >
            Cancel withdrawal
          </button>
        </div>
      </div>

    </Fragment>
  );
}