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/*
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, TalerErrorDetail } from "@gnu-taler/taler-util";
import { TalerError } from "@gnu-taler/taler-wallet-core";
import { useState } from "preact/hooks";
import * as wxApi from "../../wxApi.js";
import { Props, State } from "./index.js";
export function useComponentState(
{ amount: amountStr }: Props,
api: typeof wxApi,
): State {
const amount = Amounts.parseOrThrow(amountStr)
const [subject, setSubject] = useState("");
const [talerUri, setTalerUri] = useState("")
const [operationError, setOperationError] = useState<TalerErrorDetail | undefined>(undefined)
if (talerUri) {
return {
status: "show-qr",
talerUri,
error: undefined,
close: () => { null },
}
}
async function accept(): Promise<string> {
try {
const resp = await api.initiatePeerPushPayment({
amount: Amounts.stringify(amount),
partialContractTerms: {
summary: subject
}
})
return resp.talerUri
} catch (e) {
if (e instanceof TalerError) {
setOperationError(e.errorDetail)
}
console.error(e)
throw Error("error trying to accept")
}
}
return {
status: "ready",
invalid: !subject || Amounts.isZero(amount),
subject: {
value: subject,
onInput: async (e) => setSubject(e)
},
copyToClipboard: {
onClick: async () => {
const uri = await accept();
navigator.clipboard.writeText(uri || "");
}
},
showQr: {
onClick: async () => {
const uri = await accept();
setTalerUri(uri)
}
},
chosenAmount: amount,
toBeReceived: amount,
error: undefined,
operationError
}
}
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