var mongoose = require('../../lib'); var Schema = mongoose.Schema; console.log('Running mongoose version %s', mongoose.version); /** * Console schema */ var consoleSchema = Schema({ name: String, manufacturer: String, released: Date }); var Console = mongoose.model('Console', consoleSchema); /** * Game schema */ var gameSchema = Schema({ name: String, developer: String, released: Date, consoles: [{ type: Schema.Types.ObjectId, ref: 'Console' }] }); var Game = mongoose.model('Game', gameSchema); /** * Connect to the console database on localhost with * the default port (27017) */ mongoose.connect('mongodb://localhost/console', function(err) { // if we failed to connect, abort if (err) throw err; // we connected ok createData(); }); /** * Data generation */ function createData() { Console.create( { name: 'Nintendo 64', manufacturer: 'Nintendo', released: 'September 29, 1996' }, { name: 'Super Nintendo', manufacturer: 'Nintendo', released: 'August 23, 1991' }, { name: 'XBOX 360', manufacturer: 'Microsoft', released: 'November 22, 2005' }, function(err, nintendo64, superNintendo, xbox360) { if (err) return done(err); Game.create( { name: 'Legend of Zelda: Ocarina of Time', developer: 'Nintendo', released: new Date('November 21, 1998'), consoles: [nintendo64] }, { name: 'Mario Kart', developer: 'Nintendo', released: 'September 1, 1992', consoles: [superNintendo] }, { name: 'Perfect Dark Zero', developer: 'Rare', released: 'November 17, 2005', consoles: [xbox360] }, function(err) { if (err) return done(err); example(); } ); } ); } /** * Population */ function example() { Game .find({}) .populate({ path: 'consoles', match: {manufacturer: 'Nintendo'}, select: 'name', options: {comment: 'population'} }) .exec(function(err, games) { if (err) return done(err); games.forEach(function(game) { console.log( '"%s" was released for the %s on %s', game.name, game.consoles.length ? game.consoles[0].name : '??', game.released.toLocaleDateString() ); }); return done(); }); } /** * Clean up */ function done(err) { if (err) console.error(err); Console.remove(function() { Game.remove(function() { mongoose.disconnect(); }); }); }