Added ActiveRecord like after_initialize callback to ExtendedDocument

lib/couchrest/more/extended_document.rb

@@ -58,6 +58,7 @@ module CouchRest
       unless self['_id'] && self['_rev']
         self['couchrest-type'] = self.class.to_s
       end
+      after_initialize if respond_to?(:after_initialize)
     end
     
     # Defines an instance and save it directly to the database 

spec/couchrest/more/extended_doc_spec.rb

@@ -105,6 +105,18 @@ describe "ExtendedDocument" do
     end
   end
 
+  class WithAfterInitializeMethod < CouchRest::ExtendedDocument
+    use_database TEST_SERVER.default_database
+    
+    property :some_value
+
+    def after_initialize
+      self.some_value ||= "value"
+    end
+
+  end
+
+  
   before(:each) do
     @obj = WithDefaultValues.new
   end
@@ -699,6 +711,13 @@ describe "ExtendedDocument" do
     end
   end
 
+  describe "initialization" do
+    it "should call after_initialize method if available" do
+      @doc = WithAfterInitializeMethod.new
+      @doc['some_value'].should eql('value')
+    end
+  end
+  
   describe "recursive validation on an extended document" do
     before :each do
       reset_test_db!