@incdevco/framework/lambda/kinesis-stream/index.js

node.js lambda framework

var Util = require('util');

var Base = require('../index');

function Lambda(config) {
  'use strict';
  
  Base.call(this, config);
  
}

Util.inherits(Lambda, Base);

Lambda.prototype.handler = function (event, context) {
  'use strict';
  
  var count, promise, self = this;
  
  count = 0;
  
  promise = this.Promise.resolve(true);
  
  this.log('original-event', JSON.stringify(event, null, 2));
  
  event.Records.forEach(function (record, index) {
    
    count++;
    
    promise = promise.then(function () {
      
      return self.handleRecord(event, record)
      .catch(function (exception) {
        
        exception.recordIndex = index;
        
        throw exception;
        
      });
      
    });
    
  });
  
  promise
  .then(function () {
    
    context.succeed(count);
    
  })
  .catch(function (exception) {
    
    context.fail(exception);
    
  });
  
};

Lambda.prototype.handleRecord = function (event, record) {
  'use strict';
  
  this.log('record', JSON.stringify(record));
  
  return this.Promise.resolve(record);
  
};

module.exports = Lambda;