How to properly use Mongoose models?

Question

I try to save the some information in to Mongo with Mongoose, but nothing happens… My code is :

function User() { console.log(_db.version); var user_schema = new _db.Schema({ 'email': { 'type': String, 'required': true, 'lowercase': true, 'index': { 'unique': true } }, 'password': { 'type': String, 'required': true }, 'name': {'type': String, 'required': true}, 'age': {'type': Date}, }, {'collection': 'users'}); var user_model = _db.model('user', user_schema); this.createNew = function(name, age) { console.log('createNew'); var new_user = new user_model({'name': name, 'age': age}); new_user.save(function(err){ console.log(err); console.log('Save function'); }); } } var user = new User(); user.createNew('Tom', 21);

In the result i just get 3.8.1 createNew.

this in this.createNew won't be what you want if you don't use new to create User. — WiredPrairie
– WiredPrairie, Commented Dec 29, 2013 at 16:31
with object creation is everything ok, in the program everything quite differently, the problem is that new_user.save doest fire. — Kin
– Kin, Commented Dec 29, 2013 at 16:58

Mattias Farnemyhr · Accepted Answer · 2013-12-31 18:00:49Z

I suggest you change your approach a bit, try this out:

var UserSchema = new Schema({ email: { type: String, required: true, lowercase': true, index: {unique: true}, }, password: {type: String, required: true}, name: {type: String, required: true}, age: {type: Date}, }) UserSchema.statics.createNew = function(email, password, name, age, next) { var user = new this({ email: email, password: password, name: name, age: age }) user.save(next) } mongoose.model('User', UserSchema)

Now you can create a new User by:

var User = mongoose.model('User') User.createNew('[email protected]', 'password', 'Tom', 21, function(err, user) { ... })

Added email and password as arguments because the Schema says that they are required.

This still would not work, since "password" and "email" are required as shubhank srivastava mentioned.

shubhank srivastava · Accepted Answer · 2013-12-30 21:30:31Z

I don't see you assigning values to email and password fields of the schema.

required: {Boolean} - If true, creates a validation rule requiring this path be set before saving occurs.

http://mongoosejs.com/docs/2.7.x/docs/schematypes.html

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