wallet-core/packages/taler-wallet-webextension/src/cta/Deposit/state.ts
2022-08-01 10:55:17 -03:00

76 lines
2.3 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 { Amounts, CreateDepositGroupResponse } from "@gnu-taler/taler-util";
import { useState } from "preact/hooks";
import { useAsyncAsHook } from "../../hooks/useAsyncAsHook.js";
import * as wxApi from "../../wxApi.js";
import { Props, State } from "./index.js";
export function useComponentState(
{ talerDepositUri, amountStr }: Props,
api: typeof wxApi,
): State {
const [result, setResult] = useState<CreateDepositGroupResponse | undefined>(
undefined,
);
const info = useAsyncAsHook(async () => {
if (!talerDepositUri) throw Error("ERROR_NO-URI-FOR-DEPOSIT");
if (!amountStr) throw Error("ERROR_NO-AMOUNT-FOR-DEPOSIT");
const amount = Amounts.parse(amountStr);
if (!amount) throw Error("ERROR_INVALID-AMOUNT-FOR-DEPOSIT");
const deposit = await api.prepareDeposit(
talerDepositUri,
Amounts.stringify(amount),
);
return { deposit, uri: talerDepositUri, amount };
});
if (!info) return { status: "loading", error: undefined }
if (info.hasError) {
return {
status: "loading-uri",
error: info,
};
}
const { deposit, uri, amount } = info.response;
async function doDeposit(): Promise<void> {
const resp = await api.createDepositGroup(uri, Amounts.stringify(amount));
setResult(resp);
}
if (result !== undefined) {
return {
status: "completed",
error: undefined,
};
}
return {
status: "ready",
error: undefined,
confirm: {
onClick: doDeposit,
},
fee: Amounts.sub(deposit.totalDepositCost, deposit.effectiveDepositAmount)
.amount,
cost: deposit.totalDepositCost,
effective: deposit.effectiveDepositAmount,
};
}