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/*
This file is part of GNU Taler
(C) 2021-2023 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 { useTranslationContext } from "@gnu-taler/web-util/browser";
import { h, VNode } from "preact";
import { useState } from "preact/hooks";
import { QR } from "../../../../components/exception/QR.js";
import {
FormErrors,
FormProvider,
} from "../../../../components/form/FormProvider.js";
import { Input } from "../../../../components/form/Input.js";
import { InputCurrency } from "../../../../components/form/InputCurrency.js";
import { ConfirmModal } from "../../../../components/modal/index.js";
import { useBackendContext } from "../../../../context/backend.js";
import { useConfigContext } from "../../../../context/config.js";
import { useInstanceContext } from "../../../../context/instance.js";
import { MerchantBackend } from "../../../../declaration.js";
type Entity = MerchantBackend.Template.UsingTemplateDetails;
interface Props {
template: MerchantBackend.Template.TemplateDetails;
id: string;
onBack?: () => void;
}
export function QrPage({ template, id: templateId, onBack }: Props): VNode {
const { i18n } = useTranslationContext();
const { url: backendUrl } = useBackendContext();
const { id: instanceId } = useInstanceContext();
const config = useConfigContext();
const [setupTOTP, setSetupTOTP] = useState(false);
const [state, setState] = useState<Partial<Entity>>({
amount: template.template_contract.amount,
summary: template.template_contract.summary,
});
const errors: FormErrors<Entity> = {};
const hasErrors = Object.keys(errors).some(
(k) => (errors as any)[k] !== undefined,
);
const fixedAmount = !!template.template_contract.amount;
const fixedSummary = !!template.template_contract.summary;
const params = new URLSearchParams();
if (!fixedAmount) {
if (state.amount) {
params.append("amount", state.amount);
} else {
params.append("amount", config.currency);
}
}
if (!fixedSummary) {
params.append("summary", state.summary ?? "");
}
const paramsStr = fixedAmount && fixedSummary ? "" : "?" + params.toString();
const merchantURL = new URL(backendUrl);
const talerProto =
merchantURL.protocol === "http:" ? "taler+http:" : "taler:";
const payTemplateUri = `${talerProto}//pay-template/${merchantURL.hostname}/${templateId}${paramsStr}`;
const issuer = encodeURIComponent(
`${new URL(backendUrl).hostname}/${instanceId}`,
);
const oauthUri = !template.pos_algorithm
? undefined
: template.pos_algorithm === 1
? `otpauth://totp/${issuer}:${templateId}?secret=${template.pos_key}&issuer=${issuer}&algorithm=SHA1&digits=8&period=30`
: template.pos_algorithm === 2
? `otpauth://totp/${issuer}:${templateId}?secret=${template.pos_key}&issuer=${issuer}&algorithm=SHA1&digits=8&period=30`
: undefined;
const keySlice = template.pos_key?.substring(0, 4);
const oauthUriWithoutSecret = !template.pos_algorithm
? undefined
: template.pos_algorithm === 1
? `otpauth://totp/${issuer}:${templateId}?secret=${keySlice}...&issuer=${issuer}&algorithm=SHA1&digits=8&period=30`
: template.pos_algorithm === 2
? `otpauth://totp/${issuer}:${templateId}?secret=${keySlice}...&issuer=${issuer}&algorithm=SHA1&digits=8&period=30`
: undefined;
return (
<div>
{oauthUri && (
<ConfirmModal
description="Setup TOTP"
active={setupTOTP}
onCancel={() => {
setSetupTOTP(false);
}}
>
<p>Scan this qr code with your TOTP device</p>
<QR text={oauthUri} />
<pre style={{ textAlign: "center" }}>
<a href={oauthUri}>{oauthUriWithoutSecret}</a>
</pre>
</ConfirmModal>
)}
<section class="section is-main-section">
<div class="columns">
<div class="column" />
<div class="column is-four-fifths">
<p class="is-size-5 mt-5 mb-5">
<i18n.Translate>
Here you can specify a default value for fields that are not
fixed. Default values can be edited by the customer before the
payment.
</i18n.Translate>
</p>
<p></p>
<FormProvider
object={state}
valueHandler={setState}
errors={errors}
>
<InputCurrency<Entity>
name="amount"
label={
fixedAmount
? i18n.str`Fixed amount`
: i18n.str`Default amount`
}
readonly={fixedAmount}
tooltip={i18n.str`Amount of the order`}
/>
<Input<Entity>
name="summary"
inputType="multiline"
readonly={fixedSummary}
label={
fixedSummary
? i18n.str`Fixed summary`
: i18n.str`Default summary`
}
tooltip={i18n.str`Title of the order to be shown to the customer`}
/>
</FormProvider>
<div class="buttons is-right mt-5">
{onBack && (
<button class="button" onClick={onBack}>
<i18n.Translate>Cancel</i18n.Translate>
</button>
)}
<button
class="button is-info"
onClick={() => saveAsPDF(templateId)}
>
<i18n.Translate>Print</i18n.Translate>
</button>
{oauthUri && (
<button
class="button is-info"
onClick={() => setSetupTOTP(true)}
>
<i18n.Translate>Setup TOTP</i18n.Translate>
</button>
)}
</div>
</div>
<div class="column" />
</div>
</section>
<section id="printThis">
<QR text={payTemplateUri} />
<pre style={{ textAlign: "center" }}>
<a href={payTemplateUri}>{payTemplateUri}</a>
</pre>
</section>
</div>
);
}
function saveAsPDF(name: string): void {
const printWindow = window.open("", "", "height=400,width=800");
if (!printWindow) return;
const divContents = document.getElementById("printThis");
if (!divContents) return;
printWindow.document.write(
`<html><head><title>Order template for ${name}</title><style>`,
);
printWindow.document.write("</style></head><body> </body></html>");
printWindow.document.close();
printWindow.document.body.appendChild(divContents.cloneNode(true));
printWindow.addEventListener("load", () => {
printWindow.print();
printWindow.close();
});
}
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