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Diffstat (limited to 'packages/merchant-backend-ui/src/pages/RequestPayment.tsx')
| -rw-r--r-- | packages/merchant-backend-ui/src/pages/RequestPayment.tsx | 196 |
1 files changed, 196 insertions, 0 deletions
diff --git a/packages/merchant-backend-ui/src/pages/RequestPayment.tsx b/packages/merchant-backend-ui/src/pages/RequestPayment.tsx new file mode 100644 index 000000000..050755dfb --- /dev/null +++ b/packages/merchant-backend-ui/src/pages/RequestPayment.tsx @@ -0,0 +1,196 @@ +/* + 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 "../css/pure-min.css"; +import "../css/style.css"; +import { QR } from "../components/QR"; +import { Page, QRPlaceholder, WalletLink } from "../styled"; + +/** + * This page creates a payment request QR code + * + * It will build into a mustache html template for server side rendering + * + * server side rendering params: + * - order_status_url + * - taler_pay_qrcode_svg + * - taler_pay_uri + * - order_summary + * + * request params: + * - pay_uri + * - order_summary + * - order_status_url + */ + +interface Props { + payURI?: 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> + Payment requested for{" "} + {order_summary ? order_summary : `{{ order_summary }}`} + </title> + </Fragment> + ); +} + +export function RequestPayment({ + payURI, + qr_code, + order_status_url, +}: Props): VNode { + useEffect(() => { + const longpollDelayMs = 60 * 1000; + let checkUrl: URL; + try { + checkUrl = new URL( + order_status_url ? order_status_url : "{{& order_status_url }}" + ); + } catch (e) { + return; + } + checkUrl.searchParams.set("timeout_s", longpollDelayMs.toString()); + 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.fulfillment_url) { + window.location.replace(resp.fulfillment_url); + } + } catch (e) { + console.error("could not parse response:", e); + } + } + if (req.status === 202) { + try { + const resp = JSON.parse(req.responseText); + if (resp.fulfillment_url) { + window.location.replace(resp.fulfillment_url); + } + } catch (e) { + console.error("could not parse response:", e); + } + } + if (req.status === 402) { + try { + const resp = JSON.parse(req.responseText); + if (resp.already_paid_order_id && resp.fulfillment_url) { + window.location.replace(resp.fulfillment_url); + } + } catch (e) { + console.error("could not parse response:", e); + } + } + setTimeout(retryOnce, 500); + } + }; + req.onerror = function () { + setTimeout(retryOnce, 500); + }; + req.ontimeout = function () { + setTimeout(retryOnce, 500); + }; + req.timeout = longpollDelayMs; + req.open("GET", checkUrl.href); + req.send(); + } + setTimeout(check, 500); + }); + return ( + <Page> + <section> + <h1>Pay with Taler</h1> + <p>Scan this QR code with your mobile wallet:</p> + <QRPlaceholder + dangerouslySetInnerHTML={{ + __html: qr_code ? qr_code : `{{{ taler_pay_qrcode_svg }}}`, + }} + /> + <p> + <WalletLink href={payURI ? payURI : `{{ taler_pay_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("pay_uri") || undefined; + const osu = fromLocation.get("order_status_url") || undefined; + const qr_code = uri ? renderToString(<QR text={uri} />) : undefined; + + render( + <RequestPayment payURI={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(<RequestPayment />), + }; +} |