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shrine-medco/apps/steward-app/src/main/js/app/server/node_modules/mongoose/examples/population-of-multiple-existing-docs.js
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population-of-multiple-existing-docs.js
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var mongoose = require('mongoose')
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'
}, function (err, nintendo64, superNintendo) {
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]
}, function (err) {
if (err) return done(err);
example();
})
})
}
/**
* Population
*/
function example () {
Game
.find({})
.exec(function (err, games) {
if (err) return done(err);
console.log('found %d games', games.length);
var options = { path: 'consoles', select: 'name released -_id' };
Game.populate(games, options, 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[0].name
, game.released.toLocaleDateString());
})
done()
})
})
}
function done (err) {
if (err) console.error(err);
Console.remove(function () {
Game.remove(function () {
mongoose.disconnect();
})
})
}
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