diff options
Diffstat (limited to 'packages/merchant-backend-ui/src/pages/OfferRefund.tsx')
-rw-r--r-- | packages/merchant-backend-ui/src/pages/OfferRefund.tsx | 154 |
1 files changed, 154 insertions, 0 deletions
diff --git a/packages/merchant-backend-ui/src/pages/OfferRefund.tsx b/packages/merchant-backend-ui/src/pages/OfferRefund.tsx new file mode 100644 index 000000000..14c9372c2 --- /dev/null +++ b/packages/merchant-backend-ui/src/pages/OfferRefund.tsx @@ -0,0 +1,154 @@ +/* + 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/> + */ + +/** +* +* @author Sebastian Javier Marchano (sebasjm) +*/ +import { Fragment, h, render, VNode } from 'preact'; +import { render as renderToString } from 'preact-render-to-string'; +import { useEffect } from 'preact/hooks'; +import { Footer } from '../components/Footer'; +import { QR } from '../components/QR'; +import "../css/pure-min.css"; +import "../css/style.css"; +import { Page, QRPlaceholder, WalletLink } from '../styled'; + +/** + * This page creates a refund offer QR code + * + * It will build into a mustache html template for server side rendering + * + * server side rendering params: + * - order_status_url + * - taler_refund_qrcode_svg + * - taler_refund_uri + * + * request params: + * - refund_uri + * - order_status_url + */ + +interface Props { + refundURI?: string; + order_status_url?: string; + qr_code?: string; +} + +function Head({ order_summary }: { order_summary?: string }): VNode { + return <Fragment> + <meta charSet="UTF-8" /> + <meta name="viewport" content="width=device-width, initial-scale=1.0" /> + <noscript> + <meta http-equiv="refresh" content="1" /> + </noscript> + <title>Refund available for {order_summary ? order_summary : `{{ order_summary }}`}</title> + </Fragment> +} + +export function OfferRefund({ refundURI, qr_code, order_status_url }: Props): VNode { + useEffect(() => { + let checkUrl: URL; + try { + checkUrl = new URL(order_status_url ? order_status_url : "{{& order_status_url }}"); + } catch (e) { + return; + } + checkUrl.searchParams.set("await_refund_obtained", "yes"); + const delayMs = 500; + function check() { + let retried = false; + function retryOnce() { + if (!retried) { + retried = true; + check(); + } + } + const req = new XMLHttpRequest(); + req.onreadystatechange = function () { + if (req.readyState === XMLHttpRequest.DONE) { + if (req.status === 200) { + try { + const resp = JSON.parse(req.responseText); + if (!resp.refund_pending) { + window.location.reload(); + } + } catch (e) { + console.error("could not parse response:", e); + } + } + setTimeout(retryOnce, delayMs); + } + }; + req.onerror = function () { + setTimeout(retryOnce, delayMs); + } + req.open("GET", checkUrl.href); + req.send(); + } + + setTimeout(check, delayMs); + }) + return <Page> + <section> + <h1>Collect Taler refund</h1> + <p> + Scan this QR code with your Taler mobile wallet: + </p> + <QRPlaceholder dangerouslySetInnerHTML={{ __html: qr_code ? qr_code : `{{{ taler_refund_qrcode_svg }}}` }} /> + <p> + <WalletLink href={refundURI ? refundURI : `{{ taler_refund_uri }}`}> + Or open your Taller wallet + </WalletLink> + </p> + <p> + <a href="https://wallet.taler.net/">Don't have a Taler wallet yet? Install it!</a> + </p> + </section> + <Footer /> + </Page> +} + +export function mount(): void { + try { + const fromLocation = new URL(window.location.href).searchParams + const os = fromLocation.get('order_summary') || undefined; + if (os) { + render(<Head order_summary={os} />, document.head); + } + + const uri = fromLocation.get('refund_uri') || undefined; + const osu = fromLocation.get('order_status_url') || undefined; + const qr_code = uri ? renderToString(<QR text={uri} />) : undefined; + + render(<OfferRefund + refundURI={uri} order_status_url={osu} + qr_code={qr_code} + />, document.body); + } catch (e) { + console.error("got error", e); + if (e instanceof Error) { + document.body.innerText = `Fatal error: "${e.message}". Please report this bug at https://bugs.gnunet.org/.`; + } + } +} + +export function buildTimeRendering(): { head: string, body: string } { + return { + head: renderToString(<Head />), + body: renderToString(<OfferRefund />) + } +} |