Mastery Gist

////////////////////////////////////////////
// Discuss the basic function and purpose of promises
////////////////////////////////////////////

module.exports.recordWebhook = function(json_event){
  return new Promise(function(resolve, reject){

    return resolve('aok')
  });
};

Config.processForm = function(form, input, currentConfig){
      var deferred = $q.defer();
      var errors = [];
      
      $http.post('/api/configs', {
        input: input,
        current: currentConfig
      })
      .then(function(data){
        var returnData = data.data;
        deferred.resolve(returnData);
      })
      .catch(function(err){
        errors.push(err.data);
        deferred.reject(errors);
      })
      
      return deferred.promise;
    };
  



////////////////////////////////////////////
// Make parallel requests using promise.all
////////////////////////////////////////////

exports.stripeGetAuthTokens = function(code){
  return new Promise(function(resolve, reject) {
    request.post({
      url: process.env.STRIPE_TOKEN_URL,
      form: {
        grant_type: "authorization_code",
        client_id: process.env.STRIPE_CLIENT_ID,
        code: code,
        client_secret: process.env.STRIPE_SECRET
      }
    }, function (err, response, body) {
      if (err) {
        reject('ERROR: ' + err);
      } else {
        var _body = JSON.parse(body);
        resolve(_body);
      }
    });
  });
};

router.get('/:id', function(req, res, next){

  var _game, _players, _events;
  var _userplayers = [];

  knex('games')
  .where({ id: parseInt(req.params.id) })
  .first()
  .then(function(game){
    // console.log('GAME', game);
    _game = game;
    return knex.select('*')
      .from('players')
      .where({ gameid: _game.id });
  })
  .then(function(playerIds){
    var playerPromises = [];
    for(var i=0;i<playerIds.length;i++){
      playerPromises.push(
        query.getUserPlayer_ByPlayerId(playerIds[i].id));
    }
    return Promise.all(playerPromises);
  })
  .then(function(userPlayers){
    var targetPromises = [];
    for(var i=0;i<userPlayers.length;i++){
      _userplayers.push(userPlayers[i].rows[0]);
      targetPromises.push(
        query.getUserPlayer_ByPlayerId(userPlayers[i].rows[0].targetplayer_id)
      );
    }
    return Promise.all(targetPromises);
  })
  .then(function(targetPlayers){
    var _targetPlayers = [];
    for(var i=0;i<targetPlayers.length;i++){
      _targetPlayers.push(targetPlayers[i].rows[0]);
    }

    // now match userplayers to targets and add in info for targets
    // console.log('TARGETS', _targetPlayers);
    for(var i=0;i<_userplayers.length;i++){
      var targetIdx = _userplayers[i].targetplayer_id;
      //console.log('tidx',targetIdx);
      // console.log('TARGETS', _targetPlayers);
      var target;
      if(targetIdx){
        // console.log('yes');
        target = _targetPlayers.find(function(e, i, ar){

          if(e.player_id === targetIdx){
            return e;
          }
        });
      }
      // console.log('target',target);
      _userplayers[i].targetplayer_image = (target) ? target.imageurl : '';
      _userplayers[i].targetplayer_lastlocation = (target) ? target.lastlocation : '';
    }