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/*
This file is part of GNU Taler
(C) 2022-2024 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 {
CacheEvictor,
ChallengerCacheEviction,
assertUnreachable,
canonicalizeBaseUrl,
getGlobalLogLevel,
setGlobalLogLevelFromString,
} from "@gnu-taler/taler-util";
import {
BrowserHashNavigationProvider,
ChallengerApiProvider,
Loading,
TalerWalletIntegrationBrowserProvider,
TranslationProvider,
} from "@gnu-taler/web-util/browser";
import { useEffect, useState } from "preact/hooks";
import { SWRConfig } from "swr";
import { Routing } from "./Routing.js";
// import { BankCoreApiProvider } from "./context/config.js";
// import { BrowserHashNavigationProvider } from "./context/navigation.js";
import { SettingsProvider } from "./context/settings.js";
// import { TalerWalletIntegrationBrowserProvider } from "./context/wallet-integration.js";
import { VNode, h } from "preact";
import { strings } from "./i18n/strings.js";
import { ChallengerUiSettings, fetchSettings } from "./settings.js";
import { Frame } from "./pages/Frame.js";
import { revalidateChallengeSession } from "./hooks/challenge.js";
const WITH_LOCAL_STORAGE_CACHE = false;
const evictBankSwrCache: CacheEvictor<ChallengerCacheEviction> = {
async notifySuccess(op) {
switch (op) {
case ChallengerCacheEviction.CREATE_CHALLENGE: {
await Promise.all([revalidateChallengeSession()]);
return;
}
case ChallengerCacheEviction.SOLVE_CHALLENGE: {
await Promise.all([revalidateChallengeSession()]);
return;
}
default: {
assertUnreachable(op);
}
}
},
};
export function App(): VNode {
const [settings, setSettings] = useState<ChallengerUiSettings>();
useEffect(() => {
fetchSettings(setSettings);
}, []);
if (!settings) return <Loading />;
const baseUrl = getInitialBackendBaseURL(settings.backendBaseURL);
return (
<SettingsProvider value={settings}>
<TranslationProvider
source={strings}
forceLang="en"
completeness={{
es: strings["es"].completeness,
de: strings["de"].completeness,
}}
>
<ChallengerApiProvider
baseUrl={new URL("/", baseUrl)}
frameOnError={Frame}
evictors={
{
// challenger: evictBankSwrCache,
}
}
>
<SWRConfig
value={{
provider: WITH_LOCAL_STORAGE_CACHE
? localStorageProvider
: undefined,
// normally, do not revalidate
revalidateOnFocus: false,
revalidateOnReconnect: false,
revalidateIfStale: false,
revalidateOnMount: undefined,
focusThrottleInterval: undefined,
// normally, do not refresh
refreshInterval: undefined,
dedupingInterval: 2000,
refreshWhenHidden: false,
refreshWhenOffline: false,
// ignore errors
shouldRetryOnError: false,
errorRetryCount: 0,
errorRetryInterval: undefined,
// do not go to loading again if already has data
keepPreviousData: true,
}}
>
<TalerWalletIntegrationBrowserProvider>
<BrowserHashNavigationProvider>
<Routing />
</BrowserHashNavigationProvider>
</TalerWalletIntegrationBrowserProvider>
</SWRConfig>
</ChallengerApiProvider>
</TranslationProvider>
</SettingsProvider>
);
}
// @ts-expect-error creating a new property for window object
window.setGlobalLogLevelFromString = setGlobalLogLevelFromString;
// @ts-expect-error creating a new property for window object
window.getGlobalLevel = getGlobalLogLevel;
function localStorageProvider(): Map<unknown, unknown> {
const map = new Map(JSON.parse(localStorage.getItem("app-cache") || "[]"));
window.addEventListener("beforeunload", () => {
const appCache = JSON.stringify(Array.from(map.entries()));
localStorage.setItem("app-cache", appCache);
});
return map;
}
function getInitialBackendBaseURL(
backendFromSettings: string | undefined,
): string {
const overrideUrl =
typeof localStorage !== "undefined"
? localStorage.getItem("challenger-base-url")
: undefined;
let result: string;
if (!overrideUrl) {
// normal path
if (!backendFromSettings) {
console.error(
"ERROR: backendBaseURL was overridden by a setting file and missing. Setting value to 'window.origin'",
);
result = window.origin;
} else {
result = backendFromSettings;
}
} else {
// testing/development path
result = overrideUrl;
}
try {
return canonicalizeBaseUrl(result);
} catch (e) {
// fall back
return canonicalizeBaseUrl(window.origin);
}
}
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