Amazon.com: Check for delivery slots for Fresh and Whole Foods

auto-order-amazon-fresh.js

const ALLOW_AUTO_PURCHASE = false
const CHECKOUT_URL = 'https://www.amazon.com/gp/buy/shipoptionselect/handlers/display.html?hasWorkingJavascript=1'
const { pathname } = location
const isShipOptionPage = /buy\/shipoptionselect/.test(pathname)
const isPaySelectPage = /buy\/payselect/.test(pathname)
const isPurchasePage = /buy\/spc/.test(pathname)
const isThankYouPage = /buy\/thankyou/.test(pathname)

let attemptNum = 1

const doAmazonPurchaseFlow = () => {
  console.log(`Amazon Purchase attempt #${attemptNum++} STARTED...`)
  if (isShipOptionPage) doShipOptionPage()
  else if (isPaySelectPage) doPaySelectPage()
  else if (isPurchasePage) doPurchasePage()
  else if (isThankYouPage) doThankYouPage()
  else location.href = CHECKOUT_URL
}

const doShipOptionPage = () => {
  var availabilityButton = document.querySelector('.ufss-limited-available .ufss-slot-toggle-native-button')

  if (!availabilityButton) {
    console.log(`Amazon Purchase attempt #${attemptNum} FAILED :(`)
    return
  }

  const title = 'Amazon Order Started!'
  const body = `Found open delivery window on attempt #${attemptNum}!`
  doNotification(title, body)

  var availabilityButton = document.querySelector('.ufss-limited-available .ufss-slot-toggle-native-button')
  const continueButton = document.querySelector('input.a-button-input')
  availabilityButton.click()
  setTimeout(() => continueButton.click(), 100)
}

const doPaySelectPage = () => {
  const continueButton = document.querySelector('#continue-top')
  continueButton.click()
}

const doPurchasePage = () => {
  const orderButton = document.querySelector('input[value="Place your order"')
  
  if (ALLOW_AUTO_PURCHASE) return orderButton.click()

  const title = 'Amazon Order Ready!'
  const body = 'Amazon order ready for purchase!'
  doNotification(title, body)
}

const doThankYouPage = () => {
  const title = 'Amazon Order Placed!'
  const body = document.querySelector('.a-alert-success span.a-size-medium.a-color-success.a-text-bold').innerText
  doNotification(title, body)
}

const doNotification = (title, body) => {
  console.log(body)

  Notification.requestPermission().then(permission => permission === 'granted' &&
    new Notification(title, {
      icon: 'https://www.amazon.com/favicon.ico',
      tag: 'amzn-availability',
      renotify: true,
      requireInteraction: true,
      silent: false,
      body: body
    })
  ) 
}

doAmazonPurchaseFlow()