Question

Possible Duplicate:
Correct Way to Set Default Values in Rails

I have two data tables:

1) User

2) Profile (which has the field user_id)

They are associated through:

• User has_one Profile
• Profile belongs_to User

Is there a possibility to save some default values in the profile table each time I create a new user?

Thanks for your help!

Answer 1

You can create default profile by using ActiveRecord callbacks.

Just create a method, and use it as :after_create

class User < ActiveRecord::Base

  has_one :profile

  after_create :create_default_profile

  def create_default_profile
    profile = build_profile
    # set parameters
    profile.save
  end

end

build_profile builds and links an instace of Profile, but doesn’t save it. create_profile is the same, but it also saves the object. For the full description, see the ActiveRecord documentation.

You can add attributes to both build_ and create_profile as a hash, so you probably can reduce create_default_profile to one line:

def create_default_profile
  profile = create_profile :some => 'attirbute', :to => 'set'
end