Check if an input box exists in rails

Question

I have to check if confirm_password input box exists in form.
If it exists, I need to do this:

validates :password,:confirmation=>true

else

set confirmation to false.

Detail explanation for the problem:

I'm using rails client_side_validation gem which converts models validation into javascript form validation.

There is a little problem with this as login and sign up belongs to same table both of them have one Model. Now when I'm adding this in model for validation:

validates :password,:confirmation=>true

It will not let me to login as validation will become false as there is no confirm_password input box on login.It will only work on signup.

Answer 1

Assuming a model User add @user.is_signup = true to the signup action in users_controller. In your User model add attribute_accessor :is_signup and validates :confirm_password, :confirmation => true, :if => :is_signup.