prayer-timetable-react/src/store/actions/checkIfNeeded.js

Prayer timetable made with React

import moment from 'moment-hijri'
import store from '../index'
import defsettings from '../../config/settings.json'

const { log } = store.getState().settings

const checkIfNeeded = (downloaded, success, updateInterval) => {
  /* eslint-env browser */

  // is online app?
  const condition1 = defsettings.online

  // online now?
  const condition2 = navigator.onLine

  // no updates?
  const condition3 = updateInterval !== 0

  // not downloaded recently?
  const diff = moment.isMoment(downloaded) ? moment().diff(downloaded) / 1000 / 60 : 0
  const condition4 = downloaded === {} || downloaded === null || diff >= updateInterval

  // failed recently?
  const condition5 = !success
  // console.log(moment().diff(downloadFailTime, 'minutes') >= 1, downloadFailTime, !success)

  log && console.log('conditions:', condition1, condition2, condition3, condition4, condition5)

  if (
    (condition1 && condition2 && condition3 && condition4) ||
    (condition1 && condition2 && condition3 && condition5)
  ) {
    log && console.log('update needed')
    return true
  }
  log && (condition2 ? console.log('update NOT needed') : console.log('update NOT possible'))
  return false
}

export default checkIfNeeded