tcdown/lib/helpers/main.js

Downloader and scraper for teachable.com for members

const { Worker } = require('worker_threads')
const Promise = require('bluebird')
const { formatBytes } = require('./writeWaitingInfo')
const logger = require('./logger')

function download (n) {
    return new Promise((resolve, reject) => {
        const start = Date.now()
        const worker = new Worker('/Users/muhameddidovic/projects/tcdown/lib/helpers/worker.js')

        worker.on('message', message => {
            console.log('message', message)
            console.log(`worker [${worker.threadId}]: done in ${Date.now() - start} ms`)
            if (message.startsWith('-done-')) {
                console.log('------->end:', message)
                resolve(message)
                worker.terminate()
            }

        })

        worker.on('error', error => {
            reject(error)
        })
        const {
                  url,
                  dest,
                  localSizeInBytes,
                  remoteSizeInBytes,
                  downFolder,
                  index,
                  logger,
                  ms,
                  resourceUrl
              } = n
        worker.postMessage({
            url,
            dest,
            localSizeInBytes,
            remoteSizeInBytes,
            downFolder,
            index,
            logger,
            ms,
            resourceUrl
        })
    })
}

async function calculateFibonacciNumbers (n) {
    try {
        // await fibonacci(n)
        // const values = Promise.all([
        //     fibonacci(n),
        //     fibonacci(n),
        //     fibonacci(n),
        //     fibonacci(n),
        //     fibonacci(n),
        //     fibonacci(n),
        //     fibonacci(n),
        //     fibonacci(n),
        //     fibonacci(n),
        //     fibonacci(n)
        // ]) ;
        Promise.all([
            download({
                // url              : 'https://177vod-adaptive.akamaized.net/exp=1694992599~acl=%2Fe7f2ead1-c95b-40b6-806c-94cc8e86d0a0%2F%2A~hmac=b71db9266b63e48b724e91abe517845d1585ab345355836b0bfa5320d9afa0d5/e7f2ead1-c95b-40b6-806c-94cc8e86d0a0/parcel/video/ef8e8600.mp4?range=0-111111111111',
                url              : 'https://vod-akm.play.hotmart.com/video/5Z13n2wvqX/hls/master-t-1654554383001.m3u8?hdnts=st%3D1694990022%7Eexp%3D1694990522%7Ehmac%3D3e87087e10708bc9bb973295f28c2774e129c66dab29bbe1aff039b62283fb0e&app=aa2d356b-e2f0-45e8-9725-e0efc7b5d29c',
                dest             : 'videos/aaaa/1111.mp4',
                localSizeInBytes : '11.16 MB',
                remoteSizeInBytes: '1.73 KB',
                downFolder       : 'videos/aa',
                index            : 1,
                resourceUrl      : 'https://members.codewithmosh.com/courses/1779784/lectures/40255354'
            }),
            download({
                url              : 'https://177vod-adaptive.akamaized.net/exp=1694992599~acl=%2Fe7f2ead1-c95b-40b6-806c-94cc8e86d0a0%2F%2A~hmac=b71db9266b63e48b724e91abe517845d1585ab345355836b0bfa5320d9afa0d5/e7f2ead1-c95b-40b6-806c-94cc8e86d0a0/parcel/video/ef8e8600.mp4?range=0-111111111111',
                // url              : 'https://vod-akm.play.hotmart.com/video/5Z13n2wvqX/hls/master-t-1654554383001.m3u8?hdnts=st%3D1694990022%7Eexp%3D1694990522%7Ehmac%3D3e87087e10708bc9bb973295f28c2774e129c66dab29bbe1aff039b62283fb0e&app=aa2d356b-e2f0-45e8-9725-e0efc7b5d29c',
                dest             : 'videos/aaaa/2222.mp4',
                localSizeInBytes : '11.16 MB',
                remoteSizeInBytes: '1.73 KB',
                downFolder       : 'videos/aa',
                index            : 2,
                resourceUrl      : 'https://members.codewithmosh.com/courses/1779784/lectures/40255355'
            })]).then(values => {
            console.log('values', values)
        })
        console.log(`Fibonacci(${n})`)

    } catch (error) {
        console.error('Error occurred while calculating Fibonacci:', error)
    }
}

const number = 10

calculateFibonacciNumbers(number)