pashto-grammar/src/user-context.tsx

69 lines
1.6 KiB
TypeScript

import React, { createContext, useEffect } from "react"
import {
AT,
getUser,
userObjIsEqual,
} from "@lingdocs/lingdocs-main";
import {
useStickyState,
} from "@lingdocs/ps-react";
import { CronJob } from "cron";
import { postSavedResults } from "./lib/game-results";
const UserContext = createContext<
{
user: AT.LingdocsUser | undefined,
setUser: React.Dispatch<React.SetStateAction<AT.LingdocsUser | undefined>>,
pullUser: () => void,
}
| undefined
>(undefined);
// TODO: persisting user in local state
function UserProvider({ children }: any) {
const [value, setValue] = useStickyState<AT.LingdocsUser | undefined>(
undefined,
"saved-user",
);
function pullUser() {
getUser().then((user) => {
if (user === "offline") return;
// don't update if there's nothing new - to avoid re-renders erasing game input etc
if (!userObjIsEqual(user, value)) {
setValue(user);
}
}).catch(console.error);
}
const checkUserCronJob = new CronJob("10 * * * *", () => {
pullUser();
if (value) {
postSavedResults(value.userId);
}
});
useEffect(() => {
pullUser();
checkUserCronJob.start();
return () => {
checkUserCronJob.stop();
}
// eslint-disable-next-line
}, []);
return <UserContext.Provider value={{ user: value, setUser: setValue, pullUser }}>
{children}
</UserContext.Provider>;
}
function useUser() {
const context = React.useContext(UserContext)
if (context === undefined) {
throw new Error('useUser must be used within a UserProvider')
}
return context;
}
export { UserProvider, useUser };