143 lines
4.0 KiB
TypeScript
143 lines
4.0 KiB
TypeScript
/*
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This file is part of GNU Taler
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(C) 2022 Taler Systems S.A.
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GNU Taler is free software; you can redistribute it and/or modify it under the
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terms of the GNU General Public License as published by the Free Software
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Foundation; either version 3, or (at your option) any later version.
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GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
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A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along with
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GNU Taler; see the file COPYING. If not, see <http://www.gnu.org/licenses/>
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*/
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import { Amounts, TalerProtocolTimestamp } from "@gnu-taler/taler-util";
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import { WalletApiOperation } from "@gnu-taler/taler-wallet-core";
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import { isFuture, parse } from "date-fns";
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import { useState } from "preact/hooks";
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import { alertFromError, useAlertContext } from "../../context/alert.js";
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import { useBackendContext } from "../../context/backend.js";
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import { useTranslationContext } from "../../context/translation.js";
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import { useAsyncAsHook } from "../../hooks/useAsyncAsHook.js";
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import { Props, State } from "./index.js";
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export function useComponentState({
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amount: amountStr,
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onClose,
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onSuccess,
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}: Props): State {
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const api = useBackendContext();
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const { pushAlertOnError } = useAlertContext();
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const amount = Amounts.parseOrThrow(amountStr);
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const { i18n } = useTranslationContext();
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const [subject, setSubject] = useState<string | undefined>();
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const [timestamp, setTimestamp] = useState<string | undefined>();
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const hook = useAsyncAsHook(async () => {
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const resp = await api.wallet.call(WalletApiOperation.CheckPeerPushDebit, {
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amount: amountStr,
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});
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return resp;
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});
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if (!hook) {
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return {
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status: "loading",
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error: undefined,
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};
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}
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if (hook.hasError) {
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return {
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status: "error",
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error: alertFromError(
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i18n.str`Could not load the status of the term of service`,
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hook,
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),
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};
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}
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// if (hook.hasError) {
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// return {
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// status: "loading-uri",
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// error: hook,
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// };
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// }
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const { amountEffective, amountRaw } = hook.response;
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const debitAmount = Amounts.parseOrThrow(amountRaw);
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const toBeReceived = Amounts.parseOrThrow(amountEffective);
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let purse_expiration: TalerProtocolTimestamp | undefined = undefined;
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let timestampError: string | undefined = undefined;
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const t =
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timestamp === undefined
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? undefined
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: parse(timestamp, "dd/MM/yyyy", new Date());
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if (t !== undefined) {
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if (Number.isNaN(t.getTime())) {
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timestampError = 'Should have the format "dd/MM/yyyy"';
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} else {
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if (!isFuture(t)) {
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timestampError = "Should be in the future";
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} else {
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purse_expiration = {
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t_s: t.getTime() / 1000,
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};
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}
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}
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}
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async function accept(): Promise<void> {
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if (!subject || !purse_expiration) return;
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const resp = await api.wallet.call(
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WalletApiOperation.InitiatePeerPushDebit,
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{
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partialContractTerms: {
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summary: subject,
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amount: amountStr,
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purse_expiration,
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},
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},
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);
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onSuccess(resp.transactionId);
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}
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const unableToCreate =
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!subject || Amounts.isZero(amount) || !purse_expiration;
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return {
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status: "ready",
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cancel: {
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onClick: pushAlertOnError(onClose),
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},
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subject: {
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error:
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subject === undefined
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? undefined
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: !subject
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? "Can't be empty"
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: undefined,
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value: subject ?? "",
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onInput: pushAlertOnError(async (e) => setSubject(e)),
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},
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expiration: {
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error: timestampError,
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value: timestamp === undefined ? "" : timestamp,
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onInput: pushAlertOnError(async (e) => {
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setTimestamp(e);
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}),
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},
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create: {
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onClick: unableToCreate ? undefined : pushAlertOnError(accept),
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},
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debitAmount,
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toBeReceived,
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error: undefined,
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};
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}
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