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index.js

Created on Wed Nov 16 2022Last updated on Wed Nov 16 2022
const puppeteer = require('puppeteer');
const { Storage } = require('@google-cloud/storage');

const GOOGLE_CLOUD_PROJECT_ID = "portfolio-umut-yildirim";
const BUCKET_NAME = "screenshot-jobs-portfolio-umut-yildirim";

exports.run = async (req, res) => {
res.setHeader("content-type", "application/json");

try {
const buffer = await takeScreenshot(req.body);

let screenshotUrl = await uploadToGoogleCloud(buffer, req.body.name+".png");

res.status(200).send(JSON.stringify({
'screenshotUrl': screenshotUrl
}));

} catch(error) {
res.status(422).send(JSON.stringify({
error: error.message,
}));
}
};

async function uploadToGoogleCloud(buffer, filename) {
const storage = new Storage({
projectId: GOOGLE_CLOUD_PROJECT_ID,
});

const bucket = storage.bucket(BUCKET_NAME);

const file = bucket.file(filename);
await uploadBuffer(file, buffer, filename);

await file.makePublic();

return `https://${BUCKET_NAME}.storage.googleapis.com/${filename}`;
}

async function takeScreenshot(params) {
const browser = await puppeteer.launch({
args: ['--no-sandbox']
});
const page = await browser.newPage();
await page.goto(params.url, {waitUntil: 'networkidle2'});

const buffer = await page.screenshot();

await page.close();
await browser.close();

return buffer;
}

async function uploadBuffer(file, buffer, filename) {
return new Promise((resolve) => {
file.save(buffer, { destination: filename }, () => {
resolve();
});
})
}