create_or_update method in rails

Question

if ClassName.exists?([\"id = ?\", self.id])
  object = ClassName.find_by_name(self.name)
  object.update_attributes!( :street_address => self.street_address,
             


        

Answer 1

person = Person.find_by_name(name) || Person.new(:name => name)
person.update_attributes!(:street_address => street_address, :city_name => city_name) #etc etc