jeanmachine.dev
forked from
jollywhoppers.com/witchsky.app
Bluesky app fork with some witchin' additions 馃挮
1import {useEffect, useState} from 'react'
2import uuid from 'react-native-uuid'
3
4import {onAppStateChange} from '#/lib/appState'
5import {isSessionIdExpired} from '#/analytics/identifiers/util'
6import {device} from '#/storage'
7
8let sessionId = (() => {
9 const existing = device.get(['nativeSessionId'])
10 const lastEvent = device.get(['nativeSessionIdLastEventAt'])
11 const id = existing && !isSessionIdExpired(lastEvent) ? existing : uuid.v4()
12 device.set(['nativeSessionId'], id)
13 device.set(['nativeSessionIdLastEventAt'], Date.now())
14 return id
15})()
16
17export function getInitialSessionId() {
18 return sessionId
19}
20
21/**
22 * Gets the current session ID. Freshness depends on `useSessionId` being
23 * mounted, which handles refreshing this value between foreground/background
24 * transitions. Since that's mounted in `analytics/index.tsx`, this value can
25 * generally be trusted to be up to date.
26 */
27export function getSessionId() {
28 return device.get(['nativeSessionId'])
29}
30
31export function useSessionId() {
32 const [id, setId] = useState(() => sessionId)
33
34 useEffect(() => {
35 const sub = onAppStateChange(state => {
36 if (state === 'active') {
37 const lastEvent = device.get(['nativeSessionIdLastEventAt'])
38 if (isSessionIdExpired(lastEvent)) {
39 sessionId = uuid.v4()
40 device.set(['nativeSessionId'], sessionId)
41 setId(sessionId)
42 }
43 }
44 device.set(['nativeSessionIdLastEventAt'], Date.now())
45 })
46 return () => sub.remove()
47 }, [])
48
49 return id
50}