var fs = require('fs');
var User = require('user');
var Evt = require('evt');
var ObjectId = require('objectid');

// var gui = require('nw.gui');
// console.log(gui.App);

function log(o) {console.log(o)}
// log("<>>>>>>>>>>>>>>>>>>>>");
var Common = {
	objectId: function() {
		return ObjectId()
	},
	_uuid: 1,
	uuid: function() {
		this._uuid++;
		return ((new Date()).getTime()) + '_' + this._uuid;
	},
	isOk: function(ret) {
		if(!ret) {
			return ret;
		}
	
		if(typeof ret == 'object') {
			// 数组
			if('length' in ret) {
				return true;
			}
			if('Ok' in ret && !ret.Ok) { // 指明了Ok
				return false;
			}
			return true;
		}
		return false;
	},
	
};
module.exports = Common;