key.rb in mongo_mapper-0.8.0

- old
+ new

@@ -1,24 +1,26 @@
+# encoding: UTF-8
 module MongoMapper
   module Plugins
     module Keys
       class Key
         attr_accessor :name, :type, :options, :default_value
 
         def initialize(*args)
           options = args.extract_options!
           @name, @type = args.shift.to_s, args.shift
           self.options = (options || {}).symbolize_keys
-          self.default_value = self.options.delete(:default)
+          self.default_value = self.options[:default]
         end
 
         def ==(other)
           @name == other.name && @type == other.type
         end
 
         def embeddable?
-          type.respond_to?(:embeddable?) && type.embeddable? ? true : false
+          return false unless type.respond_to?(:embeddable?)
+          type.embeddable?
         end
 
         def number?
           [Integer, Float].include?(type)
         end
@@ -34,11 +36,20 @@
 
           type.from_mongo(value)
         end
 
         def set(value)
-          type.to_mongo(value)
+          type.to_mongo(value).tap do |values|
+            if options[:typecast].present?
+              values.map! { |v| typecast_class.to_mongo(v) }
+            end
+          end
         end
+        
+        private
+          def typecast_class
+            @typecast_class ||= options[:typecast].constantize
+          end
       end
     end
   end
 end
\ No newline at end of file