wallet-core/packages/merchant-backoffice-ui/src/context/backend.ts
Sebastian a2668c22f0
refactor better QA
removed axios, use fetch
removed jest, added mocha and chai
moved the default request handler to runtime dependency (so it can be replaced for testing)
refactored ALL the test to the standard web-utils
all hooks now use ONE request handler
moved the tests from test folder to src
2023-01-03 01:58:18 -03:00

113 lines
3.0 KiB
TypeScript

/*
This file is part of GNU Taler
(C) 2021-2023 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/>
*/
/**
*
* @author Sebastian Javier Marchano (sebasjm)
*/
import { createContext, h, VNode } from "preact";
import { useCallback, useContext, useState } from "preact/hooks";
import { useBackendDefaultToken, useBackendURL } from "../hooks/index.js";
interface BackendContextType {
url: string;
token?: string;
triedToLog: boolean;
resetBackend: () => void;
clearAllTokens: () => void;
addTokenCleaner: (c: () => void) => void;
updateLoginStatus: (url: string, token?: string) => void;
updateToken: (token?: string) => void;
}
const BackendContext = createContext<BackendContextType>({
url: "",
token: undefined,
triedToLog: false,
resetBackend: () => null,
clearAllTokens: () => null,
addTokenCleaner: () => null,
updateLoginStatus: () => null,
updateToken: () => null,
});
function useBackendContextState(
defaultUrl?: string,
initialToken?: string,
): BackendContextType {
const [url, triedToLog, changeBackend, resetBackend] =
useBackendURL(defaultUrl);
const [token, _updateToken] = useBackendDefaultToken(initialToken);
const updateToken = (t?: string) => {
_updateToken(t);
};
const tokenCleaner = useCallback(() => {
updateToken(undefined);
}, []);
const [cleaners, setCleaners] = useState([tokenCleaner]);
const addTokenCleaner = (c: () => void) => setCleaners((cs) => [...cs, c]);
const addTokenCleanerMemo = useCallback(
(c: () => void) => {
addTokenCleaner(c);
},
[tokenCleaner],
);
const clearAllTokens = () => {
cleaners.forEach((c) => c());
for (let i = 0; i < localStorage.length; i++) {
const k = localStorage.key(i);
if (k && /^backend-token/.test(k)) localStorage.removeItem(k);
}
resetBackend();
};
const updateLoginStatus = (url: string, token?: string) => {
changeBackend(url);
if (token) updateToken(token);
};
return {
url,
token,
triedToLog,
updateLoginStatus,
resetBackend,
clearAllTokens,
updateToken,
addTokenCleaner: addTokenCleanerMemo,
};
}
export const BackendContextProvider = ({
children,
defaultUrl,
initialToken,
}: {
children: any;
defaultUrl?: string;
initialToken?: string;
}): VNode => {
const value = useBackendContextState(defaultUrl, initialToken);
return h(BackendContext.Provider, { value, children });
};
export const useBackendContext = (): BackendContextType =>
useContext(BackendContext);