Forcing React Native App Upgrades

forcingRNAppUpgrades.js

import { Alert, Linking } from 'react-native'
import DeviceInfo from 'react-native-device-info'
import config from 'expresso-common/config'
import { platformIsIos } from 'expresso-common/common/platform'
import Firebase from 'firebase'
import semanticVersion from 'semver'

const attemptAndroidUpgrade = (appId) => {
  const playStoreUri = `market://details?id=${appId}`
  const playStoreUrl = `https://play.google.com/store/apps/details?id=${appId}`
  Linking.canOpenURL(playStoreUri).then((supported) => {
    if (supported) {
      Linking.openURL(playStoreUri)
    } else {
      Linking.openURL(playStoreUrl)
    }
  })
}

const attemptIosUpgrade = (appId) => {
    // failover if itunes - a bit excessive
  const itunesURI = `itms-apps://itunes.apple.com/app/${appId}?mt=8`

  Linking.canOpenURL(itunesURI).then((supported) => {
    if (supported) {
      Linking.openURL(itunesURI)
    }
  })
}

const attemptUpgrade = (appId) => {
  if (platformIsIos()) {
    attemptIosUpgrade(appId)
  } else {
    attemptAndroidUpgrade(appId)
  }
}

const showUpgradePrompt = (appId) => {
  Alert.alert(
    'You must upgrade',
    'There is an updated version available.',
    [
      {
        text: 'Upgrade',
        onPress: () => {
          attemptUpgrade(appId)
        }
      },
    ],
  )
}

// Our app doesn't have 2 .'s just 1 .  So we must add a fake . to compare the versions.
const isVersionOk = (minimumAllowedVersion, currentVersion) => {
  return semanticVersion.gte(`${currentVersion}.0`, `${minimumAllowedVersion}.0`)
}

export const checkVersionAndForceUpgrade = () => {
  const minimumAllowedVersionRef = `${config.firebaseUrl}${config.minimumAllowedVersionRef}`
  const appIdRef = `${config.firebaseUrl}${config.appIdRef}`
  const minAllowedRef = new Firebase(minimumAllowedVersionRef)
  minAllowedRef.on('value', (minimumAllowedVersion) => {
    if (!isVersionOk(minimumAllowedVersion.val(), DeviceInfo.getVersion())) {
      new Firebase(appIdRef).once('value').then((appId) => showUpgradePrompt(appId.val()))
    }
  }, (error) => console.log(error))
}