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/*
This file is part of TALER
(C) 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/>
*/
import { BalancesResponse } from "@gnu-taler/taler-util";
import { useEffect, useState } from "preact/hooks";
import * as wxApi from "../wxApi";
interface BalancesHookOk {
hasError: false;
response: BalancesResponse;
}
interface BalancesHookError {
hasError: true;
message: string;
}
export type BalancesHook = BalancesHookOk | BalancesHookError | undefined;
export function useBalances(): BalancesHook {
const [balance, setBalance] = useState<BalancesHook>(undefined);
useEffect(() => {
async function checkBalance() {
try {
const response = await wxApi.getBalance();
console.log("got balance", balance);
setBalance({ hasError: false, response });
} catch (e) {
console.error("could not retrieve balances", e);
if (e instanceof Error) {
setBalance({ hasError: true, message: e.message });
}
}
}
checkBalance()
return wxApi.onUpdateNotification(checkBalance);
}, []);
return balance;
}
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