wallet-core/packages/taler-wallet-webextension/src/wallet/ExchangeAddPage.tsx
2022-06-06 12:05:26 -03:00

84 lines
2.5 KiB
TypeScript

/*
This file is part of GNU Taler
(C) 2022 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/>
*/
import {
canonicalizeBaseUrl,
TalerConfigResponse,
} from "@gnu-taler/taler-util";
import { h, VNode } from "preact";
import { useState } from "preact/hooks";
import { useAsyncAsHook } from "../hooks/useAsyncAsHook.js";
import { queryToSlashKeys } from "../utils/index.js";
import * as wxApi from "../wxApi.js";
import { ExchangeAddConfirmPage } from "./ExchangeAddConfirm.js";
import { ExchangeSetUrlPage } from "./ExchangeSetUrl.js";
interface Props {
currency?: string;
onBack: () => Promise<void>;
}
export function ExchangeAddPage({ currency, onBack }: Props): VNode {
const [verifying, setVerifying] = useState<
{ url: string; config: TalerConfigResponse } | undefined
>(undefined);
const knownExchangesResponse = useAsyncAsHook(wxApi.listExchanges);
const knownExchanges = !knownExchangesResponse
? []
: knownExchangesResponse.hasError
? []
: knownExchangesResponse.response.exchanges;
if (!verifying) {
return (
<ExchangeSetUrlPage
onCancel={onBack}
expectedCurrency={currency}
onVerify={async (url) => {
const found =
knownExchanges.findIndex((e) => e.exchangeBaseUrl === url) !== -1;
if (found) {
throw Error("This exchange is already known");
}
return queryToSlashKeys(url);
}}
onConfirm={(url) =>
queryToSlashKeys<TalerConfigResponse>(url)
.then((config) => {
setVerifying({ url, config });
})
.catch((e) => e.message)
}
/>
);
}
return (
<ExchangeAddConfirmPage
url={verifying.url}
onCancel={onBack}
onConfirm={async () => {
await wxApi.addExchange({
exchangeBaseUrl: canonicalizeBaseUrl(verifying.url),
forceUpdate: true,
});
onBack();
}}
/>
);
}