adilallo
73 lines
1.8 KiB
TypeScript
73 lines
1.8 KiB
TypeScript
"use client";
|
|
|
|
import { useEffect, useRef, useState } from "react";
|
|
import {
|
|
fetchAuthSession,
|
|
fetchDraftFromServer,
|
|
saveDraftToServer,
|
|
} from "../../../lib/create/api";
|
|
import { useCreateFlow } from "./CreateFlowContext";
|
|
|
|
const SYNC_ENABLED =
|
|
process.env.NEXT_PUBLIC_ENABLE_BACKEND_SYNC === "true";
|
|
|
|
const DEBOUNCE_MS = 1000;
|
|
|
|
/**
|
|
* When NEXT_PUBLIC_ENABLE_BACKEND_SYNC=true, loads the signed-in user's draft
|
|
* from the server and debounces saves. Anonymous users keep localStorage-only behavior.
|
|
*/
|
|
export function CreateFlowBackendSync() {
|
|
const { state, replaceState } = useCreateFlow();
|
|
const [hydrated, setHydrated] = useState(!SYNC_ENABLED);
|
|
const saveTimer = useRef<ReturnType<typeof setTimeout> | null>(null);
|
|
|
|
useEffect(() => {
|
|
if (!SYNC_ENABLED) return;
|
|
|
|
let cancelled = false;
|
|
|
|
(async () => {
|
|
try {
|
|
const { user } = await fetchAuthSession();
|
|
if (cancelled || !user) {
|
|
setHydrated(true);
|
|
return;
|
|
}
|
|
const serverDraft = await fetchDraftFromServer();
|
|
if (cancelled) return;
|
|
if (serverDraft && Object.keys(serverDraft).length > 0) {
|
|
replaceState(serverDraft);
|
|
}
|
|
} finally {
|
|
if (!cancelled) setHydrated(true);
|
|
}
|
|
})();
|
|
|
|
return () => {
|
|
cancelled = true;
|
|
};
|
|
}, [replaceState]);
|
|
|
|
useEffect(() => {
|
|
if (!SYNC_ENABLED || !hydrated) return;
|
|
|
|
if (saveTimer.current) clearTimeout(saveTimer.current);
|
|
|
|
saveTimer.current = setTimeout(() => {
|
|
saveTimer.current = null;
|
|
void (async () => {
|
|
const { user } = await fetchAuthSession();
|
|
if (!user) return;
|
|
await saveDraftToServer(state);
|
|
})();
|
|
}, DEBOUNCE_MS);
|
|
|
|
return () => {
|
|
if (saveTimer.current) clearTimeout(saveTimer.current);
|
|
};
|
|
}, [state, hydrated]);
|
|
|
|
return null;
|
|
}
|