/*
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
*/
import {
AbsoluteTime,
Amounts,
NotificationType,
PreparePayResult,
PreparePayResultType,
TalerProtocolTimestamp,
} from "@gnu-taler/taler-util";
import { WalletApiOperation } from "@gnu-taler/taler-wallet-core";
import { useEffect } from "preact/hooks";
import { alertFromError, useAlertContext } from "../../context/alert.js";
import { useBackendContext } from "../../context/backend.js";
import { useTranslationContext } from "../../context/translation.js";
import { useAsyncAsHook } from "../../hooks/useAsyncAsHook.js";
import { Props, State } from "./index.js";
export function useComponentState({
talerPayPullUri,
onClose,
goToWalletManualWithdraw,
onSuccess,
}: Props): State {
const api = useBackendContext();
const { i18n } = useTranslationContext();
const { pushAlertOnError } = useAlertContext();
const hook = useAsyncAsHook(async () => {
const p2p = await api.wallet.call(WalletApiOperation.CheckPeerPullPayment, {
talerUri: talerPayPullUri,
});
const balance = await api.wallet.call(WalletApiOperation.GetBalances, {});
return { p2p, balance };
});
useEffect(() =>
api.listener.onUpdateNotification(
[NotificationType.CoinWithdrawn],
hook?.retry,
),
);
if (!hook) {
return {
status: "loading",
error: undefined,
};
}
if (hook.hasError) {
return {
status: "error",
error: alertFromError(
i18n.str`Could not load the status of the term of service`,
hook,
),
};
}
// if (hook.hasError) {
// return {
// status: "loading-uri",
// error: hook,
// };
// }
const { contractTerms, peerPullPaymentIncomingId } = hook.response.p2p;
const amountStr: string = contractTerms?.amount;
const amount = Amounts.parseOrThrow(amountStr);
const summary: string | undefined = contractTerms?.summary;
const expiration: TalerProtocolTimestamp | undefined =
contractTerms?.purse_expiration;
const foundBalance = hook.response.balance.balances.find(
(b) => Amounts.parseOrThrow(b.available).currency === amount.currency,
);
const paymentPossible: PreparePayResult = {
status: PreparePayResultType.PaymentPossible,
proposalId: "fakeID",
contractTerms: {} as any,
contractTermsHash: "asd",
amountRaw: hook.response.p2p.amount,
amountEffective: hook.response.p2p.amount,
noncePriv: "",
} as PreparePayResult;
const insufficientBalance: PreparePayResult = {
status: PreparePayResultType.InsufficientBalance,
talerUri: "taler://pay",
proposalId: "fakeID",
contractTerms: {} as any,
amountRaw: hook.response.p2p.amount,
noncePriv: "",
} as any; //FIXME: check this interface with new values
const baseResult = {
uri: talerPayPullUri,
cancel: {
onClick: pushAlertOnError(onClose),
},
amount,
goToWalletManualWithdraw,
summary,
expiration: expiration ? AbsoluteTime.fromTimestamp(expiration) : undefined,
};
if (!foundBalance) {
return {
status: "no-balance-for-currency",
error: undefined,
balance: undefined,
...baseResult,
payStatus: insufficientBalance,
};
}
const foundAmount = Amounts.parseOrThrow(foundBalance.available);
//FIXME: should use pay result type since it check for coins exceptions
if (Amounts.cmp(foundAmount, amount) < 0) {
//payStatus.status === PreparePayResultType.InsufficientBalance) {
return {
status: "no-enough-balance",
error: undefined,
balance: foundAmount,
...baseResult,
payStatus: insufficientBalance,
};
}
async function accept(): Promise {
const resp = await api.wallet.call(
WalletApiOperation.AcceptPeerPullPayment,
{
peerPullPaymentIncomingId,
},
);
onSuccess(resp.transactionId);
}
return {
status: "ready",
error: undefined,
...baseResult,
payStatus: paymentPossible,
balance: foundAmount,
accept: {
onClick: pushAlertOnError(accept),
},
};
}