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/*
This file is part of TALER
(C) 2015-2016 GNUnet e.V.
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.
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
TALER; see the file COPYING. If not, see <http://www.gnu.org/licenses/>
*/
/**
* Page that shows refund status for purchases.
*
* @author sebasjm
*/
import {
amountFractionalBase,
AmountJson,
Amounts,
ApplyRefundResponse,
} from "@gnu-taler/taler-util";
import { h, VNode } from "preact";
import { useEffect, useState } from "preact/hooks";
import { useTranslationContext } from "../context/translation";
import * as wxApi from "../wxApi";
interface Props {
talerRefundUri?: string;
}
export interface ViewProps {
applyResult: ApplyRefundResponse;
}
export function View({ applyResult }: ViewProps): VNode {
const { i18n } = useTranslationContext();
return (
<section class="main">
<h1>GNU Taler Wallet</h1>
<article class="fade">
<h2>
<i18n.Translate>Refund Status</i18n.Translate>
</h2>
<p>
<i18n.Translate>
The product <em>{applyResult.info.summary}</em> has received a total
effective refund of{" "}
</i18n.Translate>
<AmountView amount={applyResult.amountRefundGranted} />.
</p>
{applyResult.pendingAtExchange ? (
<p>
<i18n.Translate>
Refund processing is still in progress.
</i18n.Translate>
</p>
) : null}
{!Amounts.isZero(applyResult.amountRefundGone) ? (
<p>
<i18n.Translate>
The refund amount of{" "}
<AmountView amount={applyResult.amountRefundGone} /> could not be
applied.
</i18n.Translate>
</p>
) : null}
</article>
</section>
);
}
export function RefundPage({ talerRefundUri }: Props): VNode {
const [applyResult, setApplyResult] = useState<
ApplyRefundResponse | undefined
>(undefined);
const { i18n } = useTranslationContext();
const [errMsg, setErrMsg] = useState<string | undefined>(undefined);
useEffect(() => {
if (!talerRefundUri) return;
const doFetch = async (): Promise<void> => {
try {
const result = await wxApi.applyRefund(talerRefundUri);
setApplyResult(result);
} catch (e) {
if (e instanceof Error) {
setErrMsg(e.message);
console.log("err message", e.message);
}
}
};
doFetch();
}, [talerRefundUri]);
console.log("rendering");
if (!talerRefundUri) {
return (
<span>
<i18n.Translate>missing taler refund uri</i18n.Translate>
</span>
);
}
if (errMsg) {
return (
<span>
<i18n.Translate>Error: {errMsg}</i18n.Translate>
</span>
);
}
if (!applyResult) {
return (
<span>
<i18n.Translate>Updating refund status</i18n.Translate>
</span>
);
}
return <View applyResult={applyResult} />;
}
export function renderAmount(amount: AmountJson | string): VNode {
let a;
if (typeof amount === "string") {
a = Amounts.parse(amount);
} else {
a = amount;
}
if (!a) {
return <span>(invalid amount)</span>;
}
const x = a.value + a.fraction / amountFractionalBase;
return (
<span>
{x} {a.currency}
</span>
);
}
export const AmountView = ({
amount,
}: {
amount: AmountJson | string;
}): VNode => renderAmount(amount);
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