scaffold.express.lib.mongoose-ready.js

/**
 * @description similar to domReady but for mongoose.connect
 * @example
 * 	require('mongoose-ready')(function(err, readyState) {
 * 		// do stuff if readyState > something good.
 * 	});
 */
var mongoose = require('mongoose'),
	cfg = require('./config'),
	log = require('./logger');

module.exports = function(cb) {
	if (mongoose.connection.readyState) {
		cb(null, mongoose.connection.readyState);
	} else {
		log.debug('Using Mongo', cfg.MONGO_URI);
		mongoose.connect(cfg.MONGO_URI, function(err) {
	    	cb(err, mongoose.connection.readyState);
	    });
    }
}