Garden Aid - IoT - Moisture Check

garden-aid-moisture-check.js

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

const sns = new AWS.SNS();

// Example event
// { DeviceId: 'test-js-device', Recorded: '2016-08-14T12:39:06.765Z', Level: 3.59334681998007 }

module.exports.checkLevel = (event, context, cb) => {
  if(event.Level >= 2.5) {
    cb(null, { message: 'No message to publish', event: event });
    return;
  }

  const params = {
    Message: JSON.stringify({
      message: 'Moisture level has dropped to ' + event.Level
    }),
    TopicArn: process.env.mositureNotifyTopic
  };

  sns.publish(params, cb);
}