1
  2var mongoose = require('../../lib');
  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: [{
 27    type: Schema.Types.ObjectId,
 28    ref: 'Console'
 29  }]
 30});
 31var Game = mongoose.model('Game', gameSchema);
 32
 33/**
 34 * Connect to the console database on localhost with
 35 * the default port (27017)
 36 */
 37
 38mongoose.connect('mongodb://localhost/console', function(err) {
 39  // if we failed to connect, abort
 40  if (err) throw err;
 41
 42  // we connected ok
 43  createData();
 44});
 45
 46/**
 47 * Data generation
 48 */
 49
 50function createData() {
 51  Console.create(
 52    {
 53      name: 'Nintendo 64',
 54      manufacturer: 'Nintendo',
 55      released: 'September 29, 1996'
 56    },
 57    {
 58      name: 'Super Nintendo',
 59      manufacturer: 'Nintendo',
 60      released: 'August 23, 1991'
 61    },
 62    function(err, nintendo64, superNintendo) {
 63      if (err) return done(err);
 64
 65      Game.create(
 66        {
 67          name: 'Legend of Zelda: Ocarina of Time',
 68          developer: 'Nintendo',
 69          released: new Date('November 21, 1998'),
 70          consoles: [nintendo64]
 71        },
 72        {
 73          name: 'Mario Kart',
 74          developer: 'Nintendo',
 75          released: 'September 1, 1992',
 76          consoles: [superNintendo]
 77        },
 78        function(err) {
 79          if (err) return done(err);
 80          example();
 81        }
 82      );
 83    }
 84  );
 85}
 86
 87/**
 88 * Population
 89 */
 90
 91function example() {
 92  Game
 93  .find({})
 94  .exec(function(err, games) {
 95    if (err) return done(err);
 96
 97    console.log('found %d games', games.length);
 98
 99    var options = {path: 'consoles', select: 'name released -_id'};
100    Game.populate(games, options, function(err, games) {
101      if (err) return done(err);
102
103      games.forEach(function(game) {
104        console.log(
105          '"%s" was released for the %s on %s',
106          game.name,
107          game.consoles[0].name,
108          game.released.toLocaleDateString()
109        );
110      });
111
112      done();
113    });
114  });
115}
116
117function done(err) {
118  if (err) console.error(err);
119  Console.remove(function() {
120    Game.remove(function() {
121      mongoose.disconnect();
122    });
123  });
124}