Bluebird examplesExamples: http://pouchdb.com/2015/05/18/we-have-a-problem-with-promises.htmlProtips: https://gist.github.com/nolanlawson/6ce81186421d2fa109a4Sample: https://github.com/topcoderinc/tco-hackathon/blob/master/routes/index.js

bluebird.js

var venueCheckins = function(access_token) {
  return new Promise(function(resolve, reject) {
    request('https://api.untappd.com/v4/thepub/local?limit=25&lat=61.146283&lng=-149.878679&access_token='+access_token, function (error, response, body) {
      if (!error && response.statusCode == 200) {
        var results = JSON.parse(body);
        var checkins = [];
        // do magic
        resolve(checkins);
      } else {
        reject(error);
      }
    });
  });
};

var wishList = function(username, access_token) {
  return new Promise(function(resolve, reject) {
    request('https://api.untappd.com/v4/user/wishlist/'+username+'?access_token='+access_token, function (error, response, body) {
      if (!error && response.statusCode == 200) {
        var results = JSON.parse(body);
        var wishList = [];
        // do magic
        resolve(wishList);
      } else {
        reject(error);
      }
    });
  });
};

// venueCheckins(req.cookies.access_token).then(function(checkins) {
//   //console.log(checkins);
//   console.log('done with checkins');
// });
//
// wishList(req.params.username, req.cookies.access_token).then(function(beers) {
//   //console.log(checkins);
//   console.log(beers);
// });

Promise.join(
  venueCheckins(req.cookies.access_token),
  wishList(req.params.username, req.cookies.access_token)
).then(function(data) {
  console.log(data[0]);
  console.log(data[1]);
}).catch(function(e) {
  console.log(e);
});

clover.items()
  .then(function(results) {
    console.log(results);
    req.flash('info', 'Successful sync of item data with Clover');
  }).catch(function(e) {
    req.flash('error', 'Could not get all items from Clover. See console.');
  }).finally(function(){
    res.render('sync/index');
  });


// =======================

Event.findByIdAsync(req.params.eventId).then(function(event) {
  var team = _.find(event.teams, function (t) {
    return t.id === req.params.teamId;
  });
  console.log("found team!! " + team.name);
  return team;
}).then(function(team) {
  console.log(team);
  Submission.find({ 'team': req.params.teamId })
    .select('repoUrl video')
    .exec(function(err, submission) {
      console.log(submission)
  })
}).catch(function(e) {
  console.log('======= ERROR');
  console.log(e);
})

// ===================

  var eventAndTeam = Promise.join(

    Event.findByIdAsync(req.params.eventId).then(function(event) {
      var team = _.find(event.teams, function (t) {
        return t.id === req.params.teamId;
      });
      return team;
    }),

    Submission.find({ 'team': req.params.teamId })
      .select('repoUrl video')
      .exec(),

    function (event, team) {
      var r = [];
      r.push(event);
      r.push(team);
      return r;
    }
  );
  
  eventAndTeam.then(function(results) {
    console.log('========== all');
      console.log(results)
  });
  
  
======================

new Promise(function (resolve, reject) {
  fs.readFile('myfile.txt', function (err, file) {
    if (err) {
      return reject(err);
    }
    resolve(file);
  });
}).then(/* ... */)