Image Downloader

image-downloader.js

const { Storage } = require('@google-cloud/storage');
const request = require('request');
const { v4: uuidv4 } = require('uuid');

const bucket = '';

const storage = new Storage();

const imageDownloader = (url) => {
  const filename = uuidv4();

  var file = storage.bucket(bucket).file(filename);

  request({ url, encoding: null }, (err, response, buffer) => {
    
    if (err) {
      console.log('Error on download image', err)
      return
    };
    const stream = file.createWriteStream({
      metadata: {
        contentType: response.headers['content-type'],
      },
    });

    stream.end(buffer);
  });

  return Promise.resolve(storage.bucket(bucket).file(filename).publicUrl());
};

module.exports = imageDownloader;