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const debug = require('debug')('hello-world:app');

const { Messenger, responses } = require('launch-vehicle-fbm');

const messenger = new Messenger();
messenger.start();

// EVENT HANDLERS
/////////////////

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const debug = require('debug')('hello-world:app');

const { Messenger, responses } = require('launch-vehicle-fbm');

const messenger = new Messenger();
messenger.start();

// EVENT HANDLERS
/////////////////

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const debug = require('debug')('hello-world:app');

const { Messenger, responses } = require('launch-vehicle-fbm');

const messenger = new Messenger();
messenger.start();

// EVENT HANDLERS
/////////////////

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const { Messenger, responses } = require('launch-vehicle-fbm');

const messenger = new Messenger();
messenger.start();

// EVENT HANDLERS
/////////////////

messenger.on('text.greeting', ({senderId, session, firstName, surName, fullName}) => {
  const greeting = new responses.Text(`🤖  beep bop boop. Hello ${fullName}, I am a bot.`);

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const { Messenger } = require('launch-vehicle-fbm');

const messenger = new Messenger();
messenger.start();

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// Object
function Generic(elements) {
  this.attachment = {
    type: ‘template’,
    payload: {
      template_type: ‘generic’,
      elements: elements
    }
  };
}

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// Object
function Image(url) {
  this.attachment = {
    type: ‘image’,
    payload: { url }
  };
}

// Application Usage
messenger.send(senderId, new Image(imageUrl)));

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routeEachMessage(messagingEvent) {
  const cacheKey = messagingEvent.sender.id;
  return cache.get(cacheKey)
    .then((session = {_key: cacheKey, count: 0}) => {
     // check if profile info is already in the session,
     // if not, fetch it from Graph API 
    })
    .then((session) => {
      session.count++;
      if (messagingEvent.message) {

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messenger.on(‘message.image’, ({senderId, url, session}) => {
  // cool bot stuff
  …
  // reply to the user!
  messenger.send(userId, { text: ‘something a robot would say’ } );
});

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/*
  Example Facebook Messenger app that pulls the user's public profile and echoes back any messages sent
  with the user's first and last name. This one uses BotKit.
  
  So if I sent the bot "Good morning!" it will reply to me with "Echoing message from Jeff Israel: Good morning!"
*/

const reqPromise = require('request-promise');
const graphApiUrl = 'https://graph.facebook.com/v2.6';