Added examples for Rails3 ActiveModel validations and serialization [#…

…115]

examples/active_model/serializers.rb

@@ -0,0 +1,25 @@
+$LOAD_PATH << File.expand_path(File.dirname(__FILE__) + "/../../lib")
+
+require 'rubygems'
+require 'neo4j'
+require 'neo4j/extensions/activemodel'
+
+class Person
+  include Neo4j::NodeMixin
+  include ActiveModel::Serializers::JSON
+  include ActiveModel::Serializers::Xml
+
+  property :first_name
+  property :last_name
+
+end
+
+
+Neo4j::Transaction.run do
+  person = Person.new :first_name => 'jimmy', :last_name => 'smith'
+
+  puts "HASH: #{person.serializable_hash}"
+  puts "JSON: #{person.to_json}"
+  puts "XML : #{person.to_xml}"
+
+end

examples/active_model/validation.rb

@@ -0,0 +1,26 @@
+$LOAD_PATH << File.expand_path(File.dirname(__FILE__) + "/../../lib")
+
+require 'rubygems'
+require 'neo4j'
+require 'neo4j/extensions/activemodel'
+
+class Person
+  include Neo4j::NodeMixin
+  include ActiveModel::Validations
+
+  property :first_name
+  property :last_name
+
+  validates_presence_of :first_name, :last_name
+end
+
+
+Neo4j::Transaction.run do
+  person = Person.new
+
+  puts person.valid?
+  puts  person.errors.inspect
+  person.first_name = "Hej"
+  person.last_name = "hop"
+  puts person.valid?
+end

lib/neo4j/extensions/activemodel.rb

@@ -3,10 +3,18 @@
 require 'neo4j'
 require 'active_model'
 
+
 module Neo4j::NodeMixin
   def to_model
     Neo4j::ActiveModel::ActiveModelFactory.instance.to_model(self)
   end
+
+  def attributes
+    attr = props
+    attr.keys.each {|k| attr.delete k if k[0] == ?_}
+    attr
+  end
+
 end
 
 module Neo4j::ActiveModel