72 lines
2.0 KiB
TypeScript
72 lines
2.0 KiB
TypeScript
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'use client'
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// React Imports
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import { useState, useEffect, useCallback } from 'react'
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const SENSOR_HUB_STORAGE_KEY = 'sensor_hub'
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export interface SensorHubInfo {
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id: string
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[key: string]: unknown
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}
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export interface UseSensorHubReturn {
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/** Sensor hub data from localStorage */
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sensorHub: SensorHubInfo | null
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/** Whether sensor_hub exists in localStorage */
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hasSensorHub: boolean
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/** Save sensor hub to localStorage */
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setSensorHub: (data: SensorHubInfo | null) => void
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/** Get headers to attach to API requests (e.g. X-Sensor-Hub-Id) */
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getSensorHubHeaders: () => Record<string, string>
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}
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const parseSensorHub = (raw: string | null): SensorHubInfo | null => {
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if (!raw) return null
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try {
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const parsed = JSON.parse(raw)
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if (parsed && typeof parsed === 'object' && typeof parsed.id === 'string') {
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return parsed as SensorHubInfo
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}
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} catch {
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// ignore invalid JSON
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}
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return null
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}
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export const useSensorHub = (): UseSensorHubReturn => {
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const [sensorHub, setSensorHubState] = useState<SensorHubInfo | null>(null)
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useEffect(() => {
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if (typeof window === 'undefined') return
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const stored = localStorage.getItem(SENSOR_HUB_STORAGE_KEY)
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setSensorHubState(parseSensorHub(stored))
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}, [])
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const setSensorHub = useCallback((data: SensorHubInfo | null) => {
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if (typeof window === 'undefined') return
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if (data === null) {
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localStorage.removeItem(SENSOR_HUB_STORAGE_KEY)
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setSensorHubState(null)
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} else {
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localStorage.setItem(SENSOR_HUB_STORAGE_KEY, JSON.stringify(data))
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setSensorHubState(data)
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}
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}, [])
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const getSensorHubHeaders = useCallback((): Record<string, string> => {
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const hub = sensorHub ?? (typeof window !== 'undefined' ? parseSensorHub(localStorage.getItem(SENSOR_HUB_STORAGE_KEY)) : null)
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if (!hub?.id) return {}
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return {
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'X-Sensor-Hub-Id': hub.id
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}
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}, [sensorHub])
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return {
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sensorHub,
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hasSensorHub: sensorHub !== null,
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setSensorHub,
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getSensorHubHeaders
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}
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}
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