Realtime Code Hosting function to send SMS using Twilio when a new comment is added to a Trello card

POSTtrelloComment.js

function trelloComment(res,req,modules){

    // send a log to the remote console    
    modules.storageMule.log("trelloComment: ", JSON.stringify(req));

    // find out the trello action triggered
    var trelloAction = req.body.action.type;
    
    // it's a comment
    if(trelloAction == "commentCard") {
        
        // get the comment text
        var comment = req.body.action.data.text;

        // send sms with the comment text
        sendSms(comment, res, modules);    
    } else {
        
        // it's not a comment, just reply OK
        res.send(200);    
        
    }
}


// This function will send the sms
// Please refer to the Twilio API docs for more details

function sendSms(comment, res, modules) {
    var encodedText = encodeURIComponent(comment);           
    
    var sms = "From=[YOUR_TWILIO_NUMBER]&To=[DESTINATION_PHONE_NUMBER]&Body=" + encodedText;
        
    var headers = {
      'Authorization': 'Basic [YOUR_TWILIO_AUTHENTICATION]',
      'Content-Type': 'application/x-www-form-urlencoded',
      'Content-Length': sms.length
    };
    
    var options = {
      host: 'api.twilio.com',
      port: 443,
      path: '/2010-04-01/Accounts/[YOUR_TWILIO_ACCOUNT_SID]/Messages.json',
      method: 'POST',
      headers: headers
    };
     
    // prepare the request
    var request = modules.https.request(options, function(response, body) {         
        // send success log to the remote console
        modules.storageMule.log("trelloComment: SMS SENT");

        // reply with ok status code to let Trello know the webhook was successfull
        res.send(200);    
    });
     
    request.on('error', function(e) { 
        // Ooops, we have a problem. Send it to the remote console 
        modules.storageMule.log("trelloComment: ERROR SENDING SMS : ", JSON.stringify(e));
        res.send(400);    
    });

    request.write(sms);

    // send the request to the Twilio API
    request.end();
}