Uber Price Estimates

index.js

const fetch = require('node-fetch')
const moment = require('moment')
const { delay } = require('bluebird')
const { find, pipe, prop, propEq } = require('ramda')

const estimateUberPrices = async () => {
  const addresses = [
    {
      start_latitude: -23.631316,
      start_longitude: -46.668384,
    },
    {
      end_latitude: -23.597183,
      end_longitude: -46.688650,
    },
  ]

  const token = process.env.UBER_TOKEN
  const estimateUrl = `https://api.uber.com/v1.2/estimates/price?start_latitude=${addresses[0].start_latitude}&start_longitude=${addresses[0].start_longitude}&end_latitude=${addresses[1].end_latitude}&end_longitude=${addresses[1].end_longitude}`

  let estimate
  const desiredPrice = 15

  while (estimate === undefined) {
    const response = await fetch(estimateUrl, {
      headers: { Authorization: `Token ${token}` },
    })

    const body = await response.json()
    const uberX = pipe(
      prop('prices'),
      find(propEq('display_name', 'UberX'))
    )(body)

    console.log(moment().format('HH:mm:ss'))
    console.log(`Uber Current Prices: ${uberX.estimate}`)

    if (desiredPrice >= uberX.low_estimate && desiredPrice <= uberX.high_estimate) {
      estimate = uberX.estimate
    }

    await delay(60000)
  }

  console.log(moment().format('HH:mm:ss'))
  console.log(`Uber Desired Price: ${estimate}`)
}

estimateUberPrices()