getVideoInfo.js

import {youtube} from "../client-config";
const axios = require('axios');
const redis = require('redis');
const client = redis.createClient('redis://effpv.netlify.com:6379');
const expirationTime = 3600 * 12;

exports.handler = async (event, context, callback) => {
  try {
    const {id} = JSON.parse(event.body);
    const url = `https://www.googleapis.com/youtube/v3/videos?key=${youtube.key}&part=statistics&id=${id}`;

    client.get(id, async (error, data) => {
      if (error) throw error;

      if (data !== null) {
        console.log('Serving video info from redis cache: ', data);
        callback(null, {statusCode: 200, body: data});
      } else {
        await axios.get(url).then(response => {
          const {data} = response;
          const {items} = data;

          if (items === undefined || items.length === 0) {
            callback(null, {statusCode: 200, body: '{"status":"No Items."}'});
          }

          const {statistics} = items[0];
          client.setex(id, expirationTime, JSON.stringify(statistics));
          callback(null, {statusCode: 200, body: JSON.stringify(statistics)});
        }, e => console.error(e));
      }
    });
  } catch (e) {
    callback(e);
  }
};