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/*
This file is part of TALER
(C) 2017 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 shown to the user to accept or ignore a tip from a merchant.
*
* @author Florian Dold <dold@taler.net>
*/
import * as React from "react";
import { useEffect, useState } from "react";
import { PrepareTipResult } from "@gnu-taler/taler-wallet-core";
import { AmountView } from "../renderHtml";
import * as wxApi from "../wxApi";
function TalerTipDialog({ talerTipUri }: { talerTipUri: string }): JSX.Element {
const [updateCounter, setUpdateCounter] = useState<number>(0);
const [prepareTipResult, setPrepareTipResult] = useState<
PrepareTipResult | undefined
>();
const [tipIgnored, setTipIgnored] = useState(false);
useEffect(() => {
const doFetch = async (): Promise<void> => {
const p = await wxApi.prepareTip({ talerTipUri });
setPrepareTipResult(p);
};
doFetch();
}, [talerTipUri, updateCounter]);
const doAccept = async () => {
if (!prepareTipResult) {
return;
}
await wxApi.acceptTip({ walletTipId: prepareTipResult?.walletTipId });
setUpdateCounter(updateCounter + 1);
};
const doIgnore = () => {
setTipIgnored(true);
};
if (tipIgnored) {
return <span>You've ignored the tip.</span>;
}
if (!prepareTipResult) {
return <span>Loading ...</span>;
}
if (prepareTipResult.accepted) {
return (
<span>
Tip from <code>{prepareTipResult.merchantBaseUrl}</code> accepted.
Check your transactions list for more details.
</span>
);
} else {
return (
<div>
<p>
The merchant <code>{prepareTipResult.merchantBaseUrl}</code> is
offering you a tip of{" "}
<strong><AmountView amount={prepareTipResult.tipAmountEffective} /></strong> via the
exchange <code>{prepareTipResult.exchangeBaseUrl}</code>
</p>
<button onClick={doAccept}>Accept tip</button>
<button onClick={doIgnore}>Ignore</button>
</div>
);
}
}
export function createTipPage(): JSX.Element {
const url = new URL(document.location.href);
const talerTipUri = url.searchParams.get("talerTipUri");
if (!talerTipUri) {
throw Error("invalid parameter");
}
return <TalerTipDialog talerTipUri={talerTipUri} />;
}
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