Eric Bailey
35 lines
917 B
TypeScript
35 lines
917 B
TypeScript
import uuid from 'react-native-uuid'
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import {onAppStateChange} from '#/lib/appState'
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import {device} from '#/storage'
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const TTL = 5 * 60 * 1e3 // 5 min on native
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function expired(since: number | undefined) {
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if (since === undefined) return false
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return Date.now() - since >= TTL
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}
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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 && !expired(lastEvent) ? existing : uuid.v4()
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device.set(['nativeSessionId'], id)
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return id
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})()
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onAppStateChange(state => {
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if (state === 'active') {
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const lastEvent = device.get(['nativeSessionIdLastEventAt'])
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if (expired(lastEvent)) {
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sessionId = uuid.v4()
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device.set(['nativeSessionId'], sessionId)
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}
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} else {
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device.set(['nativeSessionIdLastEventAt'], Date.now())
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}
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})
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export function getSessionId() {
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return sessionId
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}
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