1.js

var cats = require('services/cats');
var dogs = require('services/dogs');

var doStuff = function(data) {
	whether(data.doge).then(function() {
		return dogs.create(data).then(function(doge) {
			data.doge_id = doge.id;
		});
	}).then(function() {
		return cats.create(data);
	});
};

module.exports = doStuff;