class Acl < ActiveRecord::Base
- def self.find_by_address(address, options)
- self.with_scope(:find => {:conditions => ["? & netmask = address", address]}) do
- return self.find(:first, options)
- end
- end
+ scope :address, lambda { |address| where("#{inet_aton} & netmask = address", address) }
+
+private
- def self.find_all_by_address(address, options)
- self.with_scope(:find => {:conditions => ["? & netmask = address", address]}) do
- return self.find(:all, options)
+ def self.inet_aton
+ if self.connection.adapter_name == "MySQL"
+ "inet_aton(?)"
+ else
+ "?"
end
end
end