add active admin and more code work

README.md

@@ -44,8 +44,12 @@ class DatabaseObjectFormObject < CandyWrapper::ModelWrapper
 end
 ```
 
-## Coming soon!
+Also, plug it into ActiveAdmin super-easily, which is where I typicallty
+use it!
 
-* Form objects that hang off of models as if they were relationships
+``` ruby
-* A better readme!
+ActiveAdmin.register Model do
+  wrap_in_form_object
+end
+```
 

lib/candy_wrapper.rb

@@ -2,3 +2,6 @@ require "candy_wrapper/version"
 require "candy_wrapper/model_wrapper"
 require "candy_wrapper/inherited_resources"
 
+if defined?(ActiveAdmin)
+  require 'candy_wrapper/active_admin'
+end

lib/candy_wrapper/active_admin.rb

@@ -0,0 +1,9 @@
+class ActiveAdmin::DSL
+  def wrap_in_form_object
+    controller do
+      include CandyWrapper::InheritedResources
+
+      wrap_in_form_object!
+    end
+  end
+end

lib/candy_wrapper/model_wrapper.rb

@@ -55,6 +55,10 @@ module CandyWrapper
     end
 
     def save
+      if respond_to? :before_wrapped_save
+        before_wrapped_save @__object__
+      end
+
       self.class.before_wrapped_save.each do |before|
         send("#{before}=", @__object__, @__params__[before])
       end