CreateTask.js

console.log('Loading CreateTask function');

var AWS = require('aws-sdk');
AWS.config.region = 'ap-northeast-1';
var db = new AWS.DynamoDB();

exports.handler = function(event, context) {
    if (event.id === null || 
        event.title === null || 
        event.title.length === 0 || 
        event.description === null) {
        //other check may apply
        context.fail();
        return;
    }
    
    var done = (event.done !== null) ? event.done : false;
    
    var item = {
        'id': { 'N': String(event.id) },
        'title': { 'S': event.title },
        'description': { 'S': event.description },
        'done': { 'BOOL': done },
        'createdAt': { 'S': new Date().getTime().toString() }
      };
    
    var ddbRequest = db.putItem({
         'TableName': 'Tasks',
         'Item': item
      }, function(err, data) {
         err && console.log(err);
         
         var output = {
          'id': String(event.id)
        }
        
        // we only return once the request succeeds
        context.succeed(output); 
      });
};