<commit_before>// @flow
// buildroot updater files
import path from 'path'
import assert from 'assert'
import fse from 'fs-extra'
import { app } from 'electron'

import createLogger from './log'
import { getConfig } from './config'

import type { BuildrootUpdateInfo } from '@opentrons/app/src/shell'
import type { Action } from '@opentrons/app/src/types'

type Dispatch = Action => void

const log = createLogger(__filename)

const userDataPath = app.getPath('userData') // how do we want to handle user upload vs auto-download

const BUILDROOT_DIRECTORY = '__ot_buildroot__'
const DIRECTORY = path.join(userDataPath, BUILDROOT_DIRECTORY)
const UPDATE_EXTENSION = '.zip'
const VERSION_EXTENSION = '.json'

let updateFilename: string
let updateApiVersion: string
let updateServerVersion: string

export function registerBuildrootUpdate(dispatch: Dispatch) {
  const buildrootEnabled = getConfig('devInternal').enableBuildRoot

  if (buildrootEnabled) {
    initializeUpdateFileInfo()
  }

  return function handleAction(action: Action) {
    if (buildrootEnabled) {
      switch (action.type) {
        case 'shell:CHECK_UPDATE':
          const payload = getBuildrootUpdateInfo()
          dispatch({ type: 'buildroot:UPDATE_INFO', payload })
      }
    }
  }
}

export function getBuildrootUpdateInfo(): BuildrootUpdateInfo | null {
  if (updateFilename && updateApiVersion && updateServerVersion) {
    return {
      filename: path.basename(updateFilename),
      apiVersion: updateApiVersion,
      serverVersion: updateServerVersion,
    }
  }

  return null<commit_msg>fix(app-shell): Add missing existence check to FF object (#3638)<commit_after>// @flow
// buildroot updater files
import path from 'path'
import assert from 'assert'
import fse from 'fs-extra'
import { app } from 'electron'

import createLogger from './log'
import { getConfig } from './config'

import type { BuildrootUpdateInfo } from '@opentrons/app/src/shell'
import type { Action } from '@opentrons/app/src/types'

type Dispatch = Action => void

const log = createLogger(__filename)

const userDataPath = app.getPath('userData') // how do we want to handle user upload vs auto-download

const BUILDROOT_DIRECTORY = '__ot_buildroot__'
const DIRECTORY = path.join(userDataPath, BUILDROOT_DIRECTORY)
const UPDATE_EXTENSION = '.zip'
const VERSION_EXTENSION = '.json'

let updateFilename: string
let updateApiVersion: string
let updateServerVersion: string

export function registerBuildrootUpdate(dispatch: Dispatch) {
  const buildrootEnabled = getConfig('devInternal')?.enableBuildRoot

  if (buildrootEnabled) {
    initializeUpdateFileInfo()
  }

  return function handleAction(action: Action) {
    if (buildrootEnabled) {
      switch (action.type) {
        case 'shell:CHECK_UPDATE':
          const payload = getBuildrootUpdateInfo()
          dispatch({ type: 'buildroot:UPDATE_INFO', payload })
      }
    }
  }
}

export function getBuildrootUpdateInfo(): BuildrootUpdateInfo | null {
  if (updateFilename && updateApiVersion && updateServerVersion) {
    return {
      filename: path.basename(updateFilename),
      apiVersion: updateApiVersion,
      serverVersion: updateServerVersion,
    }
  }

  return null
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