130 lines
3.1 KiB
TypeScript
130 lines
3.1 KiB
TypeScript
"use client";
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import { useCallback, useEffect, useState } from "react";
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export const FARM_HUB_STORAGE_KEY = "farm_hub";
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const LEGACY_SENSOR_HUB_STORAGE_KEY = "sensor_hub";
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const FARM_HUB_UPDATED_EVENT = "farm-hub-updated";
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export interface FarmHubInfo {
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farm_uuid: string;
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id?: string;
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name?: string;
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is_active?: boolean;
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[key: string]: unknown;
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}
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export interface UseFarmHubReturn {
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farmHub: FarmHubInfo | null;
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hasFarmHub: boolean;
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setFarmHub: (data: FarmHubInfo | null) => void;
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getFarmUuid: () => string | null;
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}
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const normalizeFarmHub = (raw: unknown): FarmHubInfo | null => {
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if (!raw || typeof raw !== "object") {
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return null;
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}
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const candidate = raw as Record<string, unknown>;
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const farmUuid =
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typeof candidate.farm_uuid === "string"
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? candidate.farm_uuid
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: typeof candidate.id === "string"
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? candidate.id
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: null;
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if (!farmUuid) {
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return null;
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}
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return {
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...candidate,
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farm_uuid: farmUuid,
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id: typeof candidate.id === "string" ? candidate.id : farmUuid,
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} as FarmHubInfo;
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};
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const parseFarmHub = (raw: string | null): FarmHubInfo | null => {
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if (!raw) return null;
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try {
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return normalizeFarmHub(JSON.parse(raw));
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} catch {
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return null;
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}
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};
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export const getStoredFarmHub = (): FarmHubInfo | null => {
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if (typeof window === "undefined") return null;
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return (
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parseFarmHub(localStorage.getItem(FARM_HUB_STORAGE_KEY)) ??
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parseFarmHub(localStorage.getItem(LEGACY_SENSOR_HUB_STORAGE_KEY))
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);
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};
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export const getStoredFarmUuid = (): string | null =>
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getStoredFarmHub()?.farm_uuid ?? null;
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export const useFarmHub = (): UseFarmHubReturn => {
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const [farmHub, setFarmHubState] = useState<FarmHubInfo | null>(null);
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useEffect(() => {
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const syncFarmHub = () => {
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setFarmHubState(getStoredFarmHub());
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};
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const handleStorage = (event: StorageEvent) => {
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if (
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event.key === null ||
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event.key === FARM_HUB_STORAGE_KEY ||
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event.key === LEGACY_SENSOR_HUB_STORAGE_KEY
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) {
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syncFarmHub();
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}
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};
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syncFarmHub();
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window.addEventListener("storage", handleStorage);
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window.addEventListener(FARM_HUB_UPDATED_EVENT, syncFarmHub);
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return () => {
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window.removeEventListener("storage", handleStorage);
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window.removeEventListener(FARM_HUB_UPDATED_EVENT, syncFarmHub);
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};
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}, []);
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const setFarmHub = useCallback((data: FarmHubInfo | null) => {
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if (typeof window === "undefined") return;
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if (data === null) {
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localStorage.removeItem(FARM_HUB_STORAGE_KEY);
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setFarmHubState(null);
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window.dispatchEvent(new Event(FARM_HUB_UPDATED_EVENT));
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return;
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}
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const normalized = normalizeFarmHub(data);
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if (!normalized) {
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return;
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}
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localStorage.setItem(FARM_HUB_STORAGE_KEY, JSON.stringify(normalized));
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setFarmHubState(normalized);
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window.dispatchEvent(new Event(FARM_HUB_UPDATED_EVENT));
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}, []);
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const getFarmUuid = useCallback(() => {
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return farmHub?.farm_uuid ?? getStoredFarmUuid();
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}, [farmHub]);
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return {
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farmHub,
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hasFarmHub: farmHub !== null,
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setFarmHub,
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getFarmUuid,
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};
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};
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