1
  2var mongoose = require('mongoose')
  3var Schema = mongoose.Schema;
  4
  5console.log('Running mongoose version %s', mongoose.version);
  6
  7/**
  8 * Console schema
  9 */
 10
 11var consoleSchema = Schema({
 12    name: String
 13  , manufacturer: String
 14  , released: Date
 15})
 16var Console = mongoose.model('Console', consoleSchema);
 17
 18/**
 19 * Game schema
 20 */
 21
 22var gameSchema = Schema({
 23    name: String
 24  , developer: String
 25  , released: Date
 26  , consoles: [{ type: Schema.Types.ObjectId, ref: 'Console' }]
 27})
 28var Game = mongoose.model('Game', gameSchema);
 29
 30/**
 31 * Connect to the console database on localhost with
 32 * the default port (27017)
 33 */
 34
 35mongoose.connect('mongodb://localhost/console', function (err) {
 36  // if we failed to connect, abort
 37  if (err) throw err;
 38
 39  // we connected ok
 40  createData();
 41})
 42
 43/**
 44 * Data generation
 45 */
 46
 47function createData () {
 48  Console.create({
 49      name: 'Nintendo 64'
 50    , manufacturer: 'Nintendo'
 51    , released: 'September 29, 1996'
 52  }, {
 53      name: 'Super Nintendo'
 54    , manufacturer: 'Nintendo'
 55    , released: 'August 23, 1991'
 56  }, function (err, nintendo64, superNintendo) {
 57    if (err) return done(err);
 58
 59    Game.create({
 60        name: 'Legend of Zelda: Ocarina of Time'
 61      , developer: 'Nintendo'
 62      , released: new Date('November 21, 1998')
 63      , consoles: [nintendo64]
 64    }, {
 65        name: 'Mario Kart'
 66      , developer: 'Nintendo'
 67      , released: 'September 1, 1992'
 68      , consoles: [superNintendo]
 69    }, function (err) {
 70      if (err) return done(err);
 71      example();
 72    })
 73  })
 74}
 75
 76/**
 77 * Population
 78 */
 79
 80function example () {
 81  Game
 82  .find({})
 83  .exec(function (err, games) {
 84    if (err) return done(err);
 85
 86    console.log('found %d games', games.length);
 87
 88    var options = { path: 'consoles', select: 'name released -_id' };
 89    Game.populate(games, options, function (err, games) {
 90      if (err) return done(err);
 91
 92      games.forEach(function (game) {
 93        console.log(
 94            '"%s" was released for the %s on %s'
 95          , game.name
 96          , game.consoles[0].name
 97          , game.released.toLocaleDateString());
 98      })
 99
100      done()
101    })
102  })
103}
104
105function done (err) {
106  if (err) console.error(err);
107  Console.remove(function () {
108    Game.remove(function () {
109      mongoose.disconnect();
110    })
111  })
112}