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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 { TalerExchangeApi, TalerExchangeHttpClient, TalerError } from "@gnu-taler/taler-util";
import { BrowserFetchHttpLib, useTranslationContext } from "@gnu-taler/web-util/browser";
import { ComponentChildren, createContext, FunctionComponent, h, VNode } from "preact";
import { useContext, useEffect, useState } from "preact/hooks";
import { ErrorLoading } from "@gnu-taler/web-util/browser";
/**
*
* @author Sebastian Javier Marchano (sebasjm)
*/
export type Type = {
url: URL,
config: TalerExchangeApi.ExchangeVersionResponse,
api: TalerExchangeHttpClient,
};
const Context = createContext<Type>(undefined as any);
export const useExchangeApiContext = (): Type => useContext(Context);
export const useMaybeExchangeApiContext = (): Type | undefined => useContext(Context);
export function ExchangeApiContextTesting({ config, children }: { config: TalerExchangeApi.ExchangeVersionResponse, children?: ComponentChildren; }): VNode {
return h(Context.Provider, {
value: { url: new URL("http://testing"), config, api: null as any },
children
}
)
}
export type ConfigResult = undefined
| { type: "ok", config: TalerExchangeApi.ExchangeVersionResponse }
| { type: "incompatible", result: TalerExchangeApi.ExchangeVersionResponse, supported: string }
| { type: "error", error: TalerError }
export const ExchangeApiProvider = ({
baseUrl,
children,
frameOnError,
}: {
baseUrl: string,
children: ComponentChildren;
frameOnError: FunctionComponent<{ children: ComponentChildren }>,
}): VNode => {
const [checked, setChecked] = useState<ConfigResult>()
const { i18n } = useTranslationContext();
const url = new URL(baseUrl)
const api = new TalerExchangeHttpClient(url.href, new BrowserFetchHttpLib())
useEffect(() => {
api.getConfig()
.then((resp) => {
if (resp.type === "fail") {
setChecked({ type: "error", error: TalerError.fromUncheckedDetail(resp.detail) });
} else if (api.isCompatible(resp.body.version)) {
setChecked({ type: "ok", config: resp.body });
} else {
setChecked({ type: "incompatible", result: resp.body, supported: api.PROTOCOL_VERSION })
}
})
.catch((error: unknown) => {
if (error instanceof TalerError) {
setChecked({ type: "error", error });
}
});
}, []);
if (checked === undefined) {
return h(frameOnError, { children: h("div", {}, "loading...") })
}
if (checked.type === "error") {
return h(frameOnError, { children: h(ErrorLoading, { error: checked.error, showDetail: true }) })
}
if (checked.type === "incompatible") {
return h(frameOnError, { children: h("div", {}, i18n.str`the bank backend is not supported. supported version "${checked.supported}", server version "${checked.result.version}"`) })
}
const value: Type = {
url, config: checked.config, api
}
return h(Context.Provider, {
value,
children,
});
};
|
