def infer_model_class(name)
      if defined? ActiveSupport
        name.to_s.classify.constantize
      else
        Object.const_get(name.to_s.split('_').collect!{ |w| w.capitalize }.join)
      end
    end
def infer_model_class(name)
      if defined? ActiveSupport
        name.to_s.classify.constantize
      else
        Object.const_get(name.to_s.split('_').collect!{ |w| w.capitalize }.join)
      end
    end
Internal: Infers a model class.