skipping password and email validation

[justinvj15]

I am using authlogic for normal user signup,login and also authlogic connect for facebook and twitter signup,login.I need to skip password and email validation when the user signup using facebook and twitter. How should i implement it? Please help?

user model

acts_as_authentic do |c|
if Proc.new{|user|user.oauth_user}
c.validate_email_field = false
c.validate_password_field = false
end
end

def oauth_user
!(self.authenticated_with?(:facebook) || self.authenticated_with?(:twitter)).nil?
end