Download all the files from your Google Classroom

google_classroom_classwork_download.js

/**
 * HOW TO
 *
 * 1. go to the classwork (open the classroom > classwork)
 * 2. open developer console ( F12 or right click > inspect element > console in top)
 * 3. copy and paste this code, assignments will be downloaded in 1 second intervals. A list of the documents outside Google Drive will be available at the end
 */

const listItemClass = '.jWCzBe'
const materialClass = '.vwNuXe'

const downloadMaterial = async () => {
	await openAllItems()

	const materialLinks = getMaterials()
		.map(getMaterialLink)
		.filter((e) => !!e)

	const groupedMaterialLinks = materialLinks.reduce(
		(acc, link) => {
			if (isGDriveLink(link)) acc.gdrive.push(link)
			else acc.other.push(link)

			return acc
		},
		{ gdrive: [], other: [] }
	)

	const downloadLinks = groupedMaterialLinks.gdrive
		.map(extractId)
		.filter((e) => !!e)
		.map(createDownloadLink)

	for (const link of downloadLinks) {
		console.log(`⬇️ downloading ${link}`)
		window.open(link)
		await sleep(1000)
	}

	console.log('\n\n')
	console.log('🔗 List of the links/files outside Google Drive')
	console.log('===============================================')
	console.log(groupedMaterialLinks.other.join('\n'))
	console.log('===============================================')
}

const openAllItems = async () => {
	const listItems = Array.from(document.querySelectorAll(listItemClass))

	for (const item of listItems) {
		item.click()
		await sleep(500)
	}
}

const getMaterials = () => Array.from(document.querySelectorAll(materialClass))

const getMaterialLink = (elem) => elem.href

const extractId = (driveUrl) => {
	const rx = /https:\/\/drive.google.com\/file\/d\/(.*)\/view/
	const res = rx.exec(driveUrl)
	return res?.[1]
}

const isGDriveLink = (url) => url.includes('drive.google.com')

const createDownloadLink = (id) => `https://drive.google.com/u/0/uc?id=${id}&export=download`

const sleep = async (time) => await new Promise((r) => setTimeout(r, time))

downloadMaterial()