Question

I have two model’s Contact, and User. When I create a new user I am trying to create the contact at the same time. But It is not getting created for some reason. Any ideas on why?

class Contact
  include Mongoid::Document
  include Mongoid::Timestamps
  include Mongoid::MultiParameterAttributes
  include Mongoid::Paranoia
  include Mongoid::Versioning

  # Attr.
  attr_accessible :first_name, :last_name, :birthday, :email_addresses_attributes, :phone_numbers_attributes, :relationships_attributes, :addresses_attributes

  #Relationships
  belongs_to :firm, validate: true
  has_one :user # contact information for user
  has_many :relationships, autosave: true
  has_many :clients
  has_many :notes, dependent: :destroy
  ...
end


class User
  include Mongoid::Document
  include ActiveModel::SecurePassword
  include Mongoid::Timestamps

  # Attr.
  attr_accessible :contact_id, :contact_attributes, :password, :password_confirmation, :google_tokens

  #Relationships
  belongs_to :firm, validate: true
  belongs_to :contact, validate: true, autosave: true
  has_one :user_type
  embeds_many :histories

  # Nested Attrs
  accepts_nested_attributes_for :contact
  ...
end

Answer 1

accepts_nested_attributes_for is done on the owner object to allow you to set attributes of objects that belong it.

In your case, User belongs to (or is nested under) Contact. You would have to do accepts_nested_attributes_for :user in your Contact model.

You could switch it around so that User has_one :contact and Contact belongs_to :user. This requires you give Contact a user_id field.