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import React from 'react'
import {AppState, AppStateStatus} from 'react-native'
import {
createClient,
AnalyticsProvider,
useAnalytics as useAnalyticsOrig,
} from '@segment/analytics-react-native'
import {RootStoreModel, AppInfo} from 'state/models/root-store'
import {useStores} from 'state/models/root-store'
import {sha256} from 'js-sha256'
const segmentClient = createClient({
writeKey: '8I6DsgfiSLuoONyaunGoiQM7A6y2ybdI',
trackAppLifecycleEvents: false,
})
export function useAnalytics() {
const store = useStores()
const methods = useAnalyticsOrig()
return React.useMemo(() => {
if (store.session.hasSession) {
return methods
}
// dont send analytics pings for anonymous users
return {
screen: () => {},
track: () => {},
identify: () => {},
flush: () => {},
group: () => {},
alias: () => {},
reset: () => {},
}
}, [store, methods])
}
export function init(store: RootStoreModel) {
store.onSessionLoaded(() => {
const sess = store.session.currentSession
if (sess) {
if (sess.email) {
store.log.debug('Ping w/hash')
const email_hashed = sha256(sess.email)
segmentClient.identify(email_hashed, {email_hashed})
} else {
store.log.debug('Ping w/o hash')
segmentClient.identify()
}
}
})
// NOTE
// this is a copy of segment's own lifecycle event tracking
// we handle it manually to ensure that it never fires while the app is backgrounded
// -prf
segmentClient.isReady.onChange(() => {
if (AppState.currentState !== 'active') {
store.log.debug('Prevented a metrics ping while the app was backgrounded')
return
}
const context = segmentClient.context.get()
if (typeof context?.app === 'undefined') {
store.log.debug('Aborted metrics ping due to unavailable context')
return
}
const oldAppInfo = store.appInfo
const newAppInfo = context.app as AppInfo
store.setAppInfo(newAppInfo)
store.log.debug('Recording app info', {new: newAppInfo, old: oldAppInfo})
if (typeof oldAppInfo === 'undefined') {
if (store.session.hasSession) {
segmentClient.track('Application Installed', {
version: newAppInfo.version,
build: newAppInfo.build,
})
}
} else if (newAppInfo.version !== oldAppInfo.version) {
if (store.session.hasSession) {
segmentClient.track('Application Updated', {
version: newAppInfo.version,
build: newAppInfo.build,
previous_version: oldAppInfo.version,
previous_build: oldAppInfo.build,
})
}
}
if (store.session.hasSession) {
segmentClient.track('Application Opened', {
from_background: false,
version: newAppInfo.version,
build: newAppInfo.build,
})
}
})
let lastState: AppStateStatus = AppState.currentState
AppState.addEventListener('change', (state: AppStateStatus) => {
if (state === 'active' && lastState !== 'active') {
const context = segmentClient.context.get()
segmentClient.track('Application Opened', {
from_background: true,
version: context?.app?.version,
build: context?.app?.build,
})
} else if (state !== 'active' && lastState === 'active') {
segmentClient.track('Application Backgrounded')
}
lastState = state
})
}
export function Provider({children}: React.PropsWithChildren<{}>) {
return (
<AnalyticsProvider client={segmentClient}>{children}</AnalyticsProvider>
)
}
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