handler.js

'use strict';

var doc = require('dynamodb-doc');
var dynamo = new doc.DynamoDB();

// Require Serverless ENV vars
var ServerlessHelpers = require('serverless-helpers-js').loadEnv();

// Require Logic
var lib = require('../lib');

// Lambda Handler
module.exports.handler = function(event, context) {
  console.log('Received event:',JSON.stringify(event,null,2));
  console.log('Context:',JSON.stringify(context,null,2));

  var operation = event.operation;
  if(event.tableName) {
    event.payload.TableName = event.tableName;
  }

  switch(operation) {
    case 'create':
      var uuid = require('node-uuid');
      event.payload.Item.postId = uuid.v1();
      dynamo.putItem(event.payload,context.succeed({"postId":event.payload.Item.postId}));
      break;
    case 'read':
      dynamo.getItem(event.payload,context.done);
      break;
    case 'update':
      dynamo.updateItem(event.payload, context.done);
      break;
    case 'delete':
      dynamo.deleteItem(event.payload, context.done);
      break;
    case 'list':
        dynamo.scan(event.payload, context.done);
        break;
    default:
        context.fail(new Error('Unrecognized operation "' + operation + '"'));
  }

};