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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();
});
});
}
|
