setting defaults attributes for learning object and draft

Signed-off-by: man13 <man13@inf.ufpr.br>

app/models/learning_object.rb

@@ -20,7 +20,6 @@ class LearningObject
   validates_presence_of :name, :created_at, :type
 
   def initialize(params={})
-    status = 'active'
     super(params.merge(defaults))
   end
 
@@ -104,7 +103,11 @@ class LearningObject
   def defaults
     {
         downloads: 0,
-        score: 0
+        score: 0,
+        status: 'active',
+        attachments: [],
+        created_at: DateTime.now.strftime("%Y-%m-%d %H:%M:%S"),
+        last_modified: DateTime.now.strftime("%Y-%m-%d %H:%M:%S")
     }
   end
 

app/models/learning_object/draft.rb

@@ -7,4 +7,9 @@ class LearningObject::Draft < LearningObject
   def valid?
     true
   end
+
+  def to_orientdb_hash
+    super.merge('@class' => 'LearningObject')
+  end
+
 end
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