Started working on casted models, basic functionalities are now in.

property :casted_attribute, :cast_as => 'WithCastedModelMixin'

A casted attribute now knows about its parent. (#casted_by to retrieve the parent's object)

lib/couchrest/more/casted_model.rb

@@ -0,0 +1,28 @@
+require File.join(File.dirname(__FILE__), '..', 'mixins', 'properties')
+
+module CouchRest
+  module CastedModel
+    
+    def self.included(base)
+      base.send(:include, CouchRest::Mixins::Properties)
+      base.send(:attr_accessor, :casted_by)
+    end
+    
+    def initialize(keys={})
+      super
+      keys.each do |k,v|
+        self[k.to_s] = v
+      end if keys
+      apply_defaults # defined in CouchRest::Mixins::Properties
+      # cast_keys      # defined in CouchRest::Mixins::Properties
+    end
+    
+    def []= key, value
+      super(key.to_s, value)
+    end
+    
+    def [] key
+      super(key.to_s)
+    end
+  end
+end