module Draper::Decoratable::ClassMethods

def ===(other)
  super || (other.is_a?(Draper::Decorator) && super(other.object))
end

def decorate(options = {})
  decorator_class.decorate_collection(all, options.reverse_merge(with: nil))
end

def decorator_class(called_on = self)
  prefix = respond_to?(:model_name) ? model_name : name
  decorator_name = "#{prefix}Decorator"
  decorator_name_constant = decorator_name.safe_constantize
  return decorator_name_constant unless decorator_name_constant.nil?
  if superclass.respond_to?(:decorator_class)
    superclass.decorator_class(called_on)
  else
    raise Draper::UninferrableDecoratorError.new(called_on)
  end
end

def decorator_class?
  decorator_class
rescue Draper::UninferrableDecoratorError
  false
end