Add an object in an embedded data model using mongoose

Question

I'm new with mongo and mongoose and I'd like to know how we can add, delete or edit an object in the database when we have an embedded data model as follow :

var userSchema = mongoose.Schema({

    local            : {
        email        : String,
        password     : String,
    },

    houses             : [

        {
            phone_numbers : [ {number: String} ],
            adresse         : String,

        }

     ]

    });


    module.exports = mongoose.model('User', userSchema);

For example, I would like to add a new "house" to my user.

So I tried :

            User.findById(req.user.id, function(err, user){

                user.houses.adresse = 'TEST';
                user.save();

             });

But it does not seem to work and I didn't find how to do that in mongoose docs. Any idea on how I could accomplish that ?

Thanks for your help !

mongoosejs.com/docs/subdocs.html

JohnnyHK
– JohnnyHK

2014-03-28 13:09:09 +00:00
Commented Mar 28, 2014 at 13:09 — JohnnyHK
– JohnnyHK, Commented Mar 28, 2014 at 13:09

Hüseyin BABAL · Accepted Answer · 2014-03-28 13:42:20Z

16

You can separate model for readability, and you can use House model to add sub docs to User like;

User.js

var House = require("House");

var userSchema = mongoose.Schema({

    email : String,
    password : String,
    houses : [ House.schema ]

});

module.exports = mongoose.model('User', userSchema);

House.js

var houseSchema = mongoose.Schema({

    phone_numbers : [ String ],
    adresse         : String,

});


module.exports = mongoose.model('House', houseSchema);

In your controller;

var User = require("models/User");
var House = require("models/House");

......


User.findById(req.user.id, function(err, user){

    var houseModel = new House();
    houseModel.adresse = "TEST";
    user.houses.push(houseModel);
    user.save();
 });

answered Mar 28, 2014 at 13:42

Hüseyin BABAL

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Comments

Gaurav Singh · Accepted Answer · 2018-09-17 05:31:59Z

1

//Craete an object and assign it the existing embedded doc.
var item = { houses: req.user.houses };
// add your new address into the existing object
item.houses.push({adresse:'Test'})

// $set below updates the whole document along with your new address
User.findByIdAndUpdate(req.user.id, { $set: item }, function(err, result) {
  if (err) {
      callback(err, undefined);
  } else if (result) {
      callback(err, result);
  }
});

answered Sep 17, 2018 at 5:31

Gaurav Singh

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