Picking Records with JavaScript and a Button

Transcript

1. Picking Records with JavaScript and a Button ManhattanJS 20160914
2. Picking Records with JavaScript and a Button ManhattanJS 20160914
3. @GordonDiggs
9. Lambda Example Sources • S3 file created or deleted • SNS event • Updates to a DynamoDB table
13. Requirements • Get a random record • Send a text message with that record’s information
14. const env = require("node-env-file"); env(`${__dirname}/.env`); process.env.NODE_CONFIG_DIR = "/var/task/config"; const twilio = require("twilio")(process.env.ACCOUNT_SID, process.env.AUTH_TOKEN) , getJSON = require("get-json"); const getRecord = function(callback) { getJSON("https://rayons.info/items/random.json", function(err, item) { if (err) { console.log("got an error: ", err); callback(null); } else { const itemURL = `https://rayons.info/items/${item.id}`; callback(`You should listen to "${item.title}" by ${item.artist}: ${itemURL}`); } }); }; const sendSMS = function(message, callback) { twilio.sendMessage( { body: message, from: process.env.FROM_NUMBER, to: process.env.TO_NUMBER }, function(err, responseData) { console.log("Twilio response:", responseData); if (err) { callback("API request completed with error(s)."); } else { callback("API request sent successfully."); } } ); }; exports.handler = function (event, context) { getRecord(function(message) { if (message) { sendSMS(message, function(status) { context.done(null, status); }); } else { context.done(); } }); };
15. const env = require("node-env-file"); env(`${__dirname}/.env`); process.env.NODE_CONFIG_DIR = "/var/task/config"; const twilio = require("twilio")(process.env.ACCOUNT_SID, process.env.AUTH_TOKEN) , getJSON = require("get-json");
16. const getRecord = function(callback) { getJSON("https://rayons.info/items/random.json", function(err, item) { if (err) { console.log("got an error: ", err); callback(null); } else { const itemURL = `https://rayons.info/items/${item.id}`; callback(`You should listen to "${item.title}" by ${item.artist}: ${itemURL}`); } }); };
17. const sendSMS = function(message, callback) { twilio.sendMessage( { body: message, from: process.env.FROM_NUMBER, to: process.env.TO_NUMBER }, function(err, responseData) { console.log("Twilio response:", responseData); if (err) { callback("API request completed with error(s)."); } else { callback("API request sent successfully."); } } ); };
18. exports.handler = function (event, context) { getRecord(function(message) { if (message) { sendSMS(message, function(status) { context.done(null, status); }); } else { context.done(); } }); };
20. Thank you! • github.com/GordonDiggs/what_should_i_listen_to_lambda • aws.amazon.com/lambda • twitter.com/GordonDiggs • bitly.com/gd-lambda