// import async to make control flow simplier

'use strict';

const async = require('async');

// import the rest of the normal stuff

const mongoose = require('../../lib');

require('./person.js')();

const Person = mongoose.model('Person');

// define some dummy data

const data = [

{

name: 'bill',

age: 25,

birthday: new Date().setFullYear((new Date().getFullYear() - 25))

},

{

name: 'mary',

age: 30,

birthday: new Date().setFullYear((new Date().getFullYear() - 30))

},

{

name: 'bob',

age: 21,

birthday: new Date().setFullYear((new Date().getFullYear() - 21))

},

{

name: 'lilly',

age: 26,

birthday: new Date().setFullYear((new Date().getFullYear() - 26))

},

{

name: 'alucard',

age: 1000,

birthday: new Date().setFullYear((new Date().getFullYear() - 1000))

}

];

mongoose.connect('mongodb://127.0.0.1/persons', function(err) {

if (err) throw err;

// create all of the dummy people

async.each(data, function(item, cb) {

Person.create(item, cb);

}, function(err) {

if (err) throw err;

// when querying data, instead of providing a callback, you can instead

// leave that off and get a query object returned

const query = Person.find({ age: { $lt: 1000 } });

// this allows you to continue applying modifiers to it

query.sort('birthday');

query.select('name');

// you can chain them together as well

// a full list of methods can be found:

// http://mongoosejs.com/docs/api/query.html

query.where('age').gt(21);

// finally, when ready to execute the query, call the exec() function

query.exec(function(err, results) {

if (err) throw err;

console.log(results);

cleanup();

});

});

});

function cleanup() {

Person.remove(function() {

mongoose.disconnect();

});

}