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import {
canonicalizeBaseUrl,
ExchangeListItem,
i18n,
TalerConfigResponse,
} from "@gnu-taler/taler-util";
import { Fragment, h } from "preact";
import { useEffect, useState } from "preact/hooks";
import { ErrorMessage } from "../components/ErrorMessage";
import {
Button,
ButtonPrimary,
Input,
WarningBox,
} from "../components/styled/index";
export interface Props {
initialValue?: string;
expectedCurrency?: string;
knownExchanges: ExchangeListItem[];
onCancel: () => void;
onVerify: (s: string) => Promise<TalerConfigResponse | undefined>;
onConfirm: (url: string) => Promise<string | undefined>;
withError?: string;
}
export function ExchangeSetUrlPage({
initialValue,
knownExchanges,
expectedCurrency,
onCancel,
onVerify,
onConfirm,
withError,
}: Props) {
const [value, setValue] = useState<string>(initialValue || "");
const [dirty, setDirty] = useState(false);
const [result, setResult] = useState<TalerConfigResponse | undefined>(
undefined,
);
const [error, setError] = useState<string | undefined>(withError);
useEffect(() => {
try {
const url = canonicalizeBaseUrl(value);
const found =
knownExchanges.findIndex((e) => e.exchangeBaseUrl === url) !== -1;
if (found) {
setError("This exchange is already known");
return;
}
onVerify(url)
.then((r) => {
setResult(r);
})
.catch(() => {
setResult(undefined);
});
setDirty(true);
} catch {
setResult(undefined);
}
}, [value]);
return (
<Fragment>
<section>
{!expectedCurrency ? (
<h1>Add new exchange</h1>
) : (
<h2>Add exchange for {expectedCurrency}</h2>
)}
<ErrorMessage
title={error && "Unable to add this exchange"}
description={error}
/>
<p>
<Input invalid={dirty && !!error}>
<label>URL</label>
<input
type="text"
placeholder="https://"
value={value}
onInput={(e) => setValue(e.currentTarget.value)}
/>
</Input>
{result && (
<Fragment>
<Input>
<label>Version</label>
<input type="text" disabled value={result.version} />
</Input>
<Input>
<label>Currency</label>
<input type="text" disabled value={result.currency} />
</Input>
</Fragment>
)}
</p>
</section>
{result && expectedCurrency && expectedCurrency !== result.currency && (
<WarningBox>
This exchange doesn't match the expected currency{" "}
<b>{expectedCurrency}</b>
</WarningBox>
)}
<footer>
<Button onClick={onCancel}>
<i18n.Translate>Cancel</i18n.Translate>
</Button>
<ButtonPrimary
disabled={
!result ||
!!error ||
(expectedCurrency !== undefined &&
expectedCurrency !== result.currency)
}
onClick={() => {
const url = canonicalizeBaseUrl(value);
return onConfirm(url).then((r) => (r ? setError(r) : undefined));
}}
>
<i18n.Translate>Next</i18n.Translate>
</ButtonPrimary>
</footer>
</Fragment>
);
}
|
