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import React from 'react'
import {Alert, AppState, type AppStateStatus} from 'react-native'
import {nativeBuildVersion} from 'expo-application'
import {
checkForUpdateAsync,
fetchUpdateAsync,
isEnabled,
reloadAsync,
setExtraParamAsync,
useUpdates,
} from 'expo-updates'
import {logger} from '#/logger'
import {isIOS} from '#/platform/detection'
import {IS_TESTFLIGHT} from '#/env'
const MINIMUM_MINIMIZE_TIME = 15 * 60e3
async function setExtraParams() {
await setExtraParamAsync(
isIOS ? 'ios-build-number' : 'android-build-number',
// Hilariously, `buildVersion` is not actually a string on Android even though the TS type says it is.
// This just ensures it gets passed as a string
`${nativeBuildVersion}`,
)
await setExtraParamAsync(
'channel',
IS_TESTFLIGHT ? 'testflight' : 'production',
)
}
async function setExtraParamsPullRequest(channel: string) {
await setExtraParamAsync(
isIOS ? 'ios-build-number' : 'android-build-number',
// Hilariously, `buildVersion` is not actually a string on Android even though the TS type says it is.
// This just ensures it gets passed as a string
`${nativeBuildVersion}`,
)
await setExtraParamAsync('channel', channel)
}
async function updateTestflight() {
await setExtraParams()
const res = await checkForUpdateAsync()
if (res.isAvailable) {
await fetchUpdateAsync()
Alert.alert(
'Update Available',
'A new version of the app is available. Relaunch now?',
[
{
text: 'No',
style: 'cancel',
},
{
text: 'Relaunch',
style: 'default',
onPress: async () => {
await reloadAsync()
},
},
],
)
}
}
export function useApplyPullRequestOTAUpdate() {
const {currentlyRunning} = useUpdates()
const [pending, setPending] = React.useState(false)
const currentChannel = currentlyRunning?.channel
const isCurrentlyRunningPullRequestDeployment =
currentChannel?.startsWith('pull-request')
const tryApplyUpdate = async (channel: string) => {
setPending(true)
await setExtraParamsPullRequest(channel)
const res = await checkForUpdateAsync()
if (res.isAvailable) {
Alert.alert(
'Deployment Available',
`A deployment of ${channel} is availalble. Applying this deployment may result in a bricked installation, in which case you will need to reinstall the app and may lose local data. Are you sure you want to proceed?`,
[
{
text: 'No',
style: 'cancel',
},
{
text: 'Relaunch',
style: 'default',
onPress: async () => {
await fetchUpdateAsync()
await reloadAsync()
},
},
],
)
} else {
Alert.alert(
'No Deployment Available',
`No new deployments of ${channel} are currently available for your current native build.`,
)
}
setPending(false)
}
const revertToEmbedded = async () => {
try {
await updateTestflight()
} catch (e: any) {
logger.error('Internal OTA Update Error', {error: `${e}`})
}
}
return {
tryApplyUpdate,
revertToEmbedded,
isCurrentlyRunningPullRequestDeployment,
currentChannel,
pending,
}
}
export function useOTAUpdates() {
const shouldReceiveUpdates = isEnabled && !__DEV__
const appState = React.useRef<AppStateStatus>('active')
const lastMinimize = React.useRef(0)
const ranInitialCheck = React.useRef(false)
const timeout = React.useRef<NodeJS.Timeout>()
const {currentlyRunning, isUpdatePending} = useUpdates()
const currentChannel = currentlyRunning?.channel
const setCheckTimeout = React.useCallback(() => {
timeout.current = setTimeout(async () => {
try {
await setExtraParams()
logger.debug('Checking for update...')
const res = await checkForUpdateAsync()
if (res.isAvailable) {
logger.debug('Attempting to fetch update...')
await fetchUpdateAsync()
} else {
logger.debug('No update available.')
}
} catch (e) {
logger.error('OTA Update Error', {error: `${e}`})
}
}, 10e3)
}, [])
const onIsTestFlight = React.useCallback(async () => {
try {
await updateTestflight()
} catch (e: any) {
logger.error('Internal OTA Update Error', {error: `${e}`})
}
}, [])
React.useEffect(() => {
// We don't need to check anything if the current update is a PR update
if (currentChannel?.startsWith('pull-request')) {
return
}
// We use this setTimeout to allow Statsig to initialize before we check for an update
// For Testflight users, we can prompt the user to update immediately whenever there's an available update. This
// is suspect however with the Apple App Store guidelines, so we don't want to prompt production users to update
// immediately.
if (IS_TESTFLIGHT) {
onIsTestFlight()
return
} else if (!shouldReceiveUpdates || ranInitialCheck.current) {
return
}
setCheckTimeout()
ranInitialCheck.current = true
}, [onIsTestFlight, currentChannel, setCheckTimeout, shouldReceiveUpdates])
// After the app has been minimized for 15 minutes, we want to either A. install an update if one has become available
// or B check for an update again.
React.useEffect(() => {
// We also don't start this timeout if the user is on a pull request update
if (!isEnabled || currentChannel?.startsWith('pull-request')) {
return
}
const subscription = AppState.addEventListener(
'change',
async nextAppState => {
if (
appState.current.match(/inactive|background/) &&
nextAppState === 'active'
) {
// If it's been 15 minutes since the last "minimize", we should feel comfortable updating the client since
// chances are that there isn't anything important going on in the current session.
if (lastMinimize.current <= Date.now() - MINIMUM_MINIMIZE_TIME) {
if (isUpdatePending) {
await reloadAsync()
} else {
setCheckTimeout()
}
}
} else {
lastMinimize.current = Date.now()
}
appState.current = nextAppState
},
)
return () => {
clearTimeout(timeout.current)
subscription.remove()
}
}, [isUpdatePending, currentChannel, setCheckTimeout])
}
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