store-with-log.js

store-with-log.js

'use strict';

const debug = require('debug');
const request = require('request');
const AWS = require('aws-sdk');

const log = debug('store');
const s3 = new AWS.S3({apiVersion: '2006-03-01', region: 'ap-northeast-2'});

// fetch binary from `url` and upload to s3 using `key` as object key
const store = (url, key) => {
  return new Promise((resolve, reject) => {
    log('fetching %s', url);
    request({
      method: 'GET',
      url: url,
      encoding: null // returns body as Buffer
    }).on('error', (e) => {
      // something went wrong during fetch avatar.
      return reject(e);
    }).on('response', (res) => {
      log('got response');
      log('stream state:', res._readableState);

      if (res.statusCode.toString().slice(0, 1) !== '2') { // server respond with unexpected status code
        return reject(new Error(`Unexpected status code ${res.statusCode}`));
      }

      setTimeout(() => log('stream state after 1s:', res._readableState), 1000);
    });
  });
};


module.exports = exports = store;