Files
grungnet/src/contexts/AuthContext.js

60 lines
1.4 KiB
JavaScript

import React, { useState, useEffect, useContext } from "react";
import { useDatabase } from "./DatabaseContext";
import FakeStorage from "../helpers/FakeStorage";
const AuthContext = React.createContext();
let storage;
try {
sessionStorage.setItem("__test", "__test");
sessionStorage.removeItem("__test");
storage = sessionStorage;
} catch (e) {
console.warn("Session storage is disabled, no authentication will be saved");
storage = new FakeStorage();
}
export function AuthProvider({ children }) {
const { database, databaseStatus } = useDatabase();
const [password, setPassword] = useState(storage.getItem("auth") || "");
useEffect(() => {
storage.setItem("auth", password);
}, [password]);
const [userId, setUserId] = useState();
useEffect(() => {
if (!database || databaseStatus === "loading") {
return;
}
async function loadUserId() {
const storedUserId = await database.table("user").get("userId");
if (storedUserId) {
setUserId(storedUserId.value);
}
}
loadUserId();
}, [database, databaseStatus]);
const value = {
userId,
password,
setPassword,
};
return <AuthContext.Provider value={value}>{children}</AuthContext.Provider>;
}
export function useAuth() {
const context = useContext(AuthContext);
if (context === undefined) {
throw new Error("useAuth must be used within a AuthProvider");
}
return context;
}
export default AuthContext;