John Keenan
Published © GPL3+

AWS IOT 'Easy Button' Enhances Your Relationship!

Busy? You can just press the IOT 'Easy Button' on your desk and your loved one will get a 'random' affectionate text sent from your phone.

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AWS IOT 'Easy Button' Enhances Your Relationship!

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Code

IOT "Easy Button' Lambda Function

JavaScript
Randomly selects from a list of messages and texts message to your phone
/**
 * This is a sample Lambda function that sends an SMS on click of a
 * button. It needs one permission sns:Publish. The following policy
 * allows SNS publish to SMS but not topics or endpoints.
{
    "Version": "2012-10-17",
    "Statement": [
        {
            "Effect": "Allow",
            "Action": [
                "sns:Publish"
            ],
            "Resource": [
                "*"
            ]
        },
        {
            "Effect": "Deny",
            "Action": [
                "sns:Publish"
            ],
            "Resource": [
                "arn:aws:sns:*:*:*"
            ]
        }
    ]
}
 *
 * The following JSON template shows what is sent as the payload:
{
    "serialNumber": "GXXXXXXXXXXXXXXXXX",
    "batteryVoltage": "xxmV",
    "clickType": "SINGLE" | "DOUBLE" | "LONG"
}
 *
 * A "LONG" clickType is sent if the first press lasts longer than 1.5 seconds.
 * "SINGLE" and "DOUBLE" clickType payloads are sent for short clicks.
 *
 * For more documentation, follow the link below.
 * http://docs.aws.amazon.com/iot/latest/developerguide/iot-lambda-rule.html
 */

'use strict';

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

const SNS = new AWS.SNS({ apiVersion: '2010-03-31' });
const PHONE_NUMBER = '16021234567'; // change it to your phone number

exports.handler = (event, context, callback) => {
    // one of these messages will be randomly selected and sent on short click
    const inMyThoughtsMessages = [
                          'Thinking of you...x',
                          'Hope youre having a great day...x',
                          'Looking forward to seeing you later...x',
                          'Theres something about you...x',
                          'How lucky I am...x'
                        ];
    // one of these messages will be randomly selected and sent on double click
    const encourageMessages = [
                          'You go for it!',
                          'Good luck!',
                          'Remember - youre the greatest!',
                          'Do it anyway!',
                          'Im cheering for you!'
                        ];
    // one of these messages will be randomly selected and sent on long click
    const congratsMessages = [
                          'Way to go!',
                          'Congrats!',
                          'You did it!',
                          'HUGE success!',
                          'Well done you!'
                        ];
    
    console.log('Received event:', event);

    console.log(`Sending SMS to ${PHONE_NUMBER}`);
    
    //uses randomizer to select one of the predefined messages
    var singleClick = inMyThoughtsMessages[Math.floor(Math.random()*inMyThoughtsMessages.length)];
    var doubleClick = encourageMessages[Math.floor(Math.random()*encourageMessages.length)];
    var longClick = congratsMessages[Math.floor(Math.random()*congratsMessages.length)];
    var randomMessage = singleClick;
    
    if(event.clickType == "DOUBLE"){
        randomMessage = doubleClick;
    }
    if(event.clickType == "LONG"){
        randomMessage = longClick;
    }
    
    const params = {
        PhoneNumber: PHONE_NUMBER,
        Message: randomMessage,
    };
    // result will go to function callback
    SNS.publish(params, callback);
};

Credits

John Keenan

John Keenan

1 project • 0 followers
https://www.linkedin.com/in/john-m-keenan-0135b/
Thanks to Winston Frick.

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