1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
|
/*
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" />
<meta name="taler-support" content="uri" />
<meta name="taler-uri" content="{{ taler_refund_uri }}"></meta>
<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(() => {
const longpollDelayMs = 60 * 1000;
const delayMs = 500;
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");
checkUrl.searchParams.set("timeout_ms", 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.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 Taler 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 />)
}
}
|
