Eric Bailey
41 lines
1.1 KiB
TypeScript
41 lines
1.1 KiB
TypeScript
import {useEffect, useState} from 'react'
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import uuid from 'react-native-uuid'
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import {onAppStateChange} from '#/lib/appState'
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import {isSessionIdExpired} from '#/analytics/identifiers/util'
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import {device} from '#/storage'
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let sessionId = (() => {
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const existing = device.get(['nativeSessionId'])
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const lastEvent = device.get(['nativeSessionIdLastEventAt'])
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const id = existing && !isSessionIdExpired(lastEvent) ? existing : uuid.v4()
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device.set(['nativeSessionId'], id)
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device.set(['nativeSessionIdLastEventAt'], Date.now())
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return id
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})()
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export function getInitialSessionId() {
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return sessionId
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}
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export function useSessionId() {
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const [id, setId] = useState(() => sessionId)
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useEffect(() => {
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const sub = onAppStateChange(state => {
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if (state === 'active') {
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const lastEvent = device.get(['nativeSessionIdLastEventAt'])
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if (isSessionIdExpired(lastEvent)) {
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sessionId = uuid.v4()
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device.set(['nativeSessionId'], sessionId)
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setId(sessionId)
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}
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}
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device.set(['nativeSessionIdLastEventAt'], Date.now())
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})
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return () => sub.remove()
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}, [])
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return id
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}
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