gistfile1.txt

[
  {
    url: '/render-maddening-month/excuse-shy-request',
    visitorId: 'edb4de8d-b28b-3b75-b7bb-ed4bb599ec11',
    timestamp: 1515043737792
  },
  {
    url: '/study-boorish-time',
    visitorId: 'edb4de8d-b28b-3b75-b7bb-ed4bb599ec11',
    timestamp: 1515046287916
  },
  {
    url: '/enlist-swanky-hand',
    visitorId: 'edb4de8d-b28b-3b75-b7bb-ed4bb599ec11',
    timestamp: 1515046878683
  },
  {
    url: '/sneeze-rainy-protest',
    visitorId: 'edb4de8d-b28b-3b75-b7bb-ed4bb599ec11',
    timestamp: 1515048652158
  },
  {
    url: '/purchase-productive-car/freeze-overrated-leaf',
    visitorId: 'edb4de8d-b28b-3b75-b7bb-ed4bb599ec11',
    timestamp: 1515048698794
  },
  {
    url: '/misunderstand-receptive-aunt/say-rural-dad',
    visitorId: 'edb4de8d-b28b-3b75-b7bb-ed4bb599ec11',
    timestamp: 1515049047113
  },
  {
    url: '/help-nauseating-copper/suspend-truculent-morning',
    visitorId: 'edb4de8d-b28b-3b75-b7bb-ed4bb599ec11',
    timestamp: 1515049771888
  },
  {
    url: '/operate-square-cover/handle-encouraging-drug',
    visitorId: 'edb4de8d-b28b-3b75-b7bb-ed4bb599ec11',
    timestamp: 1515050182968
  },
  {
    url: '/study-boorish-time',
    visitorId: 'edb4de8d-b28b-3b75-b7bb-ed4bb599ec11',
    timestamp: 1515054148273
  },
  {
    url: '/stand-heartbreaking-brass/mug-envious-library',
    visitorId: 'edb4de8d-b28b-3b75-b7bb-ed4bb599ec11',
    timestamp: 1515056612539
  },
  {
    url: '/thrive-defective-cellar',
    visitorId: 'edb4de8d-b28b-3b75-b7bb-ed4bb599ec11',
    timestamp: 1515057960326
  },
  {
    url: '/misunderstand-receptive-aunt/say-rural-dad',
    visitorId: 'edb4de8d-b28b-3b75-b7bb-ed4bb599ec11',
    timestamp: 1515058895386
  },
  {
    url: '/cover-plain-animal/inject-difficult-produce',
    visitorId: 'edb4de8d-b28b-3b75-b7bb-ed4bb599ec11',
    timestamp: 1515059057946
  },
  {
    url: '/stand-heartbreaking-brass/mug-envious-library',
    visitorId: 'edb4de8d-b28b-3b75-b7bb-ed4bb599ec11',
    timestamp: 1515059206546
  },
  {
    url: '/bust-sassy-parcel',
    visitorId: 'edb4de8d-b28b-3b75-b7bb-ed4bb599ec11',
    timestamp: 1515059994386
  },
  {
    url: '/roll-abnormal-river/spare-ugliest-boy',
    visitorId: 'edb4de8d-b28b-3b75-b7bb-ed4bb599ec11',
    timestamp: 1515061193862
  },
  {
    url: '/fix-devilish-son/mentor-fair-sofa',
    visitorId: 'edb4de8d-b28b-3b75-b7bb-ed4bb599ec11',
    timestamp: 1515063854086
  },
  {
    url: '/locate-abrupt-shame/navigate-seemly-basket',
    visitorId: 'edb4de8d-b28b-3b75-b7bb-ed4bb599ec11',
    timestamp: 1515068561776
  },
  {
    url: '/kick-tested-stone/freeze-glorious-birthday',
    visitorId: 'edb4de8d-b28b-3b75-b7bb-ed4bb599ec11',
    timestamp: 1515071744924
  },
  {
    url: '/thrive-defective-cellar',
    visitorId: 'edb4de8d-b28b-3b75-b7bb-ed4bb599ec11',
    timestamp: 1515074492233
  },
  {
    url: '/study-boorish-time',
    visitorId: 'edb4de8d-b28b-3b75-b7bb-ed4bb599ec11',
    timestamp: 1515074937635
  },
  {
    url: '/render-maddening-month/excuse-shy-request',
    visitorId: 'edb4de8d-b28b-3b75-b7bb-ed4bb599ec11',
    timestamp: 1515075747581
  },
  {
    url: '/search-daffy-chicken',
    visitorId: 'edb4de8d-b28b-3b75-b7bb-ed4bb599ec11',
    timestamp: 1515076721982
  },
  {
    url: '/bust-sassy-parcel',
    visitorId: 'edb4de8d-b28b-3b75-b7bb-ed4bb599ec11',
    timestamp: 1515077645437
  },
  {
    url: '/cover-plain-animal/inject-difficult-produce',
    visitorId: 'edb4de8d-b28b-3b75-b7bb-ed4bb599ec11',
    timestamp: 1515077955419
  },
  {
    url: '/operate-square-cover/handle-encouraging-drug',
    visitorId: 'edb4de8d-b28b-3b75-b7bb-ed4bb599ec11',
    timestamp: 1515080294419
  },
  {
    url: '/stain-light-quiet/delay-precious-arithmetic',
    visitorId: 'edb4de8d-b28b-3b75-b7bb-ed4bb599ec11',
    timestamp: 1515081309678
  },
  {
    url: '/render-maddening-month/excuse-shy-request',
    visitorId: 'edb4de8d-b28b-3b75-b7bb-ed4bb599ec11',
    timestamp: 1515081710485
  },
  {
    url: '/handwrite-aloof-vegetable',
    visitorId: 'edb4de8d-b28b-3b75-b7bb-ed4bb599ec11',
    timestamp: 1515082160475
  },
  {
    url: '/sneeze-rainy-protest',
    visitorId: 'edb4de8d-b28b-3b75-b7bb-ed4bb599ec11',
    timestamp: 1515082531037
  },
  {
    url: '/roll-abnormal-river/spare-ugliest-boy',
    visitorId: 'edb4de8d-b28b-3b75-b7bb-ed4bb599ec11',
    timestamp: 1515083650379
  },
  {
    url: '/blush-tough-friction',
    visitorId: 'edb4de8d-b28b-3b75-b7bb-ed4bb599ec11',
    timestamp: 1515083999665
  },
  {
    url: '/help-nauseating-copper/suspend-truculent-morning',
    visitorId: 'edb4de8d-b28b-3b75-b7bb-ed4bb599ec11',
    timestamp: 1515086883380
  },
  {
    url: '/handwrite-aloof-vegetable',
    visitorId: 'edb4de8d-b28b-3b75-b7bb-ed4bb599ec11',
    timestamp: 1515088147294
  },
  {
    url: '/reply-dapper-show/deliver-entertaining-fight',
    visitorId: 'edb4de8d-b28b-3b75-b7bb-ed4bb599ec11',
    timestamp: 1515088149579
  },
  {
    url: '/misunderstand-receptive-aunt/say-rural-dad',
    visitorId: 'edb4de8d-b28b-3b75-b7bb-ed4bb599ec11',
    timestamp: 1515088949459
  },
  {
    url: '/study-boorish-time',
    visitorId: 'edb4de8d-b28b-3b75-b7bb-ed4bb599ec11',
    timestamp: 1515089727127
  },
  {
    url: '/handwrite-aloof-vegetable',
    visitorId: 'edb4de8d-b28b-3b75-b7bb-ed4bb599ec11',
    timestamp: 1515090653298
  },
  {
    url: '/kick-tested-stone/freeze-glorious-birthday',
    visitorId: 'edb4de8d-b28b-3b75-b7bb-ed4bb599ec11',
    timestamp: 1515091257008
  },
  {
    url: '/stand-heartbreaking-brass/mug-envious-library',
    visitorId: 'edb4de8d-b28b-3b75-b7bb-ed4bb599ec11',
    timestamp: 1515091416528
  },
  {
    url: '/purchase-productive-car/freeze-overrated-leaf',
    visitorId: 'edb4de8d-b28b-3b75-b7bb-ed4bb599ec11',
    timestamp: 1515091747067
  },
  {
    url: '/acquire-petite-sun/split-aback-river',
    visitorId: 'edb4de8d-b28b-3b75-b7bb-ed4bb599ec11',
    timestamp: 1515092449256
  },
  {
    url: '/kick-tested-stone/freeze-glorious-birthday',
    visitorId: 'edb4de8d-b28b-3b75-b7bb-ed4bb599ec11',
    timestamp: 1515093255594
  },
  {
    url: '/swell-jolly-beast/beam-heavy-ladybug',
    visitorId: 'edb4de8d-b28b-3b75-b7bb-ed4bb599ec11',
    timestamp: 1515094071845
  },
  {
    url: '/acquire-petite-sun/split-aback-river',
    visitorId: 'edb4de8d-b28b-3b75-b7bb-ed4bb599ec11',
    timestamp: 1515094369571
  },
  {
    url: '/swell-jolly-beast/beam-heavy-ladybug',
    visitorId: 'edb4de8d-b28b-3b75-b7bb-ed4bb599ec11',
    timestamp: 1515095668264
  },
  {
    url: '/acquire-petite-sun/split-aback-river',
    visitorId: 'edb4de8d-b28b-3b75-b7bb-ed4bb599ec11',
    timestamp: 1515097605358
  },
  {
    url: '/conduct-idiotic-grain/shine-jolly-activity',
    visitorId: 'edb4de8d-b28b-3b75-b7bb-ed4bb599ec11',
    timestamp: 1515097735042
  },
  {
    url: '/handwrite-aloof-vegetable',
    visitorId: 'edb4de8d-b28b-3b75-b7bb-ed4bb599ec11',
    timestamp: 1515098280584
  },
  {
    url: '/fix-devilish-son/mentor-fair-sofa',
    visitorId: 'edb4de8d-b28b-3b75-b7bb-ed4bb599ec11',
    timestamp: 1515098804442
  },
  {
    url: '/represent-alleged-gold',
    visitorId: 'edb4de8d-b28b-3b75-b7bb-ed4bb599ec11',
    timestamp: 1515098840145
  },
  {
    url: '/fix-devilish-son/mentor-fair-sofa',
    visitorId: 'edb4de8d-b28b-3b75-b7bb-ed4bb599ec11',
    timestamp: 1515100320785
  },
  {
    url: '/conduct-idiotic-grain/shine-jolly-activity',
    visitorId: 'edb4de8d-b28b-3b75-b7bb-ed4bb599ec11',
    timestamp: 1515105006146
  },
  {
    url: '/conduct-idiotic-grain/shine-jolly-activity',
    visitorId: 'edb4de8d-b28b-3b75-b7bb-ed4bb599ec11',
    timestamp: 1515106055448
  },
  {
    url: '/swell-jolly-beast/beam-heavy-ladybug',
    visitorId: 'edb4de8d-b28b-3b75-b7bb-ed4bb599ec11',
    timestamp: 1515106226001
  },
  {
    url: '/intensify-damaging-umbrella',
    visitorId: 'edb4de8d-b28b-3b75-b7bb-ed4bb599ec11',
    timestamp: 1515109408299
  },
  {
    url: '/split-nasty-bottle/groan-exclusive-taste',
    visitorId: 'edb4de8d-b28b-3b75-b7bb-ed4bb599ec11',
    timestamp: 1515109428036
  },
  {
    url: '/search-daffy-chicken',
    visitorId: 'edb4de8d-b28b-3b75-b7bb-ed4bb599ec11',
    timestamp: 1515111149362
  },
  {
    url: '/thrive-defective-cellar',
    visitorId: 'edb4de8d-b28b-3b75-b7bb-ed4bb599ec11',
    timestamp: 1515112274074
  },
  {
    url: '/conduct-idiotic-grain/shine-jolly-activity',
    visitorId: 'edb4de8d-b28b-3b75-b7bb-ed4bb599ec11',
    timestamp: 1515114045590
  },
  {
    url: '/hurry-nauseating-hall/hunt-zany-laborer',
    visitorId: 'edb4de8d-b28b-3b75-b7bb-ed4bb599ec11',
    timestamp: 1515115454989
  },
  {
    url: '/locate-abrupt-shame/navigate-seemly-basket',
    visitorId: 'edb4de8d-b28b-3b75-b7bb-ed4bb599ec11',
    timestamp: 1515115568475
  },
  {
    url: '/stand-heartbreaking-brass/mug-envious-library',
    visitorId: 'edb4de8d-b28b-3b75-b7bb-ed4bb599ec11',
    timestamp: 1515116575496
  },
  {
    url: '/like-economic-horse/bite-ad hoc-holiday',
    visitorId: 'edb4de8d-b28b-3b75-b7bb-ed4bb599ec11',
    timestamp: 1515119325808
  },
  {
    url: '/thrive-defective-cellar',
    visitorId: 'edb4de8d-b28b-3b75-b7bb-ed4bb599ec11',
    timestamp: 1515119337443
  },
  {
    url: '/study-boorish-time',
    visitorId: 'edb4de8d-b28b-3b75-b7bb-ed4bb599ec11',
    timestamp: 1515125479348
  },
  {
    url: '/hurry-nauseating-hall/hunt-zany-laborer',
    visitorId: 'edb4de8d-b28b-3b75-b7bb-ed4bb599ec11',
    timestamp: 1515127065357
  },
  {
    url: '/roll-abnormal-river/spare-ugliest-boy',
    visitorId: 'edb4de8d-b28b-3b75-b7bb-ed4bb599ec11',
    timestamp: 1515127154917
  }
]

gistfile2.txt

import { EVENT_DATA_API, SUBMIT_API } from './const/endpoints'

const fetchFromApi = async () => {
  try {
    const response = await fetch(EVENT_DATA_API);
    const body = await response.json();
    return body;
  } catch (error) {
    console.error(error);
  }
}

const postToApi = async (data: any) => {
  const postResponse = await fetch(SUBMIT_API, {
    method: 'POST',
    headers: {
      'Content-Type': 'application/json'
    },
    body: JSON.stringify(data)
  })
  return postResponse.json()
}

interface Event {
  url: string;
  visitorId: string;
  timestamp: number;
}

interface Session {
  duration: number;
  pages: string[];
  startTime: number;
}

interface UserSession {
  [key: string]: [Session];
}

const getSessions = (events: [Event]) => {
  const sessions: any = []

  // sort events by timestamp
  events.sort((a: Event, b: Event) => a.timestamp - b.timestamp)
  // console.log(events)

  let sessionPages: any = []
  for (let i = 0; i < events.length; i++) {
    if (sessionPages.length === 0) {
      sessionPages.push(events[i]);
    } else if (events[i].timestamp - sessionPages[sessionPages.length - 1].timestamp > 1000*60*10) {
      sessions.push({
        duration: sessionPages[sessionPages.length-1].timestamp - sessionPages[0].timestamp,
        pages: sessionPages.map((session: any) => session.url),
        startTime: sessionPages[0].timestamp
      })
      sessionPages = [events[i]]
    } else {
      sessionPages.push(events[i])
    }
  }
  if (sessionPages.length) {
    sessions.push({
      duration: 0,
      pages: [sessionPages[0].url],
      startTime: sessionPages[0].timestamp
    })
  }
  // console.log(sessions)
  return sessions


  // return sessions
}


const main = async () => {
  const {events} = await fetchFromApi();

  // partition events by visitorId
  const eventsByVisitorId: { [key: string]: [Event] } = {}
  events.forEach((event: Event) => {
    if (eventsByVisitorId[event.visitorId]) {
      eventsByVisitorId[event.visitorId].push(event)
    } else {
      eventsByVisitorId[event.visitorId] = [event]
    }
  })
  // console.log(eventsByVisitorId)
  console.log(eventsByVisitorId['edb4de8d-b28b-3b75-b7bb-ed4bb599ec11'])

  const sessionsById:any = {}
  // for each key in eventsByVisitorId, sort the events by timestamp
  // for (const visitorId in eventsByVisitorId) {
  //   sessionsById[visitorId] = getSessions(eventsByVisitorId[visitorId])
  // }
  // console.log(getSessions(eventsByVisitorId['edb4de8d-b28b-3b75-b7bb-ed4bb599ec11']))
  // console.log(sessionsById['edb4de8d-b28b-3b75-b7bb-ed4bb599ec11'])
  // console.log(sessionsById)

  // const postResponse = await postToApi(sessionsById)
  // console.log(postResponse);
  
  // console.log(sessionsById)

}

main()