Merge server and rails_3_1

app/models/purchase/p_design.rb

@@ -0,0 +1,3 @@
+class PDesign < Purchase
+  
+end

app/models/purchase/purchase.rb

@@ -0,0 +1,11 @@
+class Purchase
+  include Mongoid::Document
+  include Mongoid::Timestamps
+  
+  field :purchase_id
+  field :title
+  field :author
+  field :intro
+  field :downloaded
+
+end

app/models/site.rb

@@ -6,4 +6,21 @@ class Site
   field :in_use_locales, :type => Array
   field :valid_locales, :type => Array
   
+  field :roaming_id
+  field :private_key, :type => Binary
+  field :public_key, :type => Binary
+  
+  field :school
+  field :department
+  
+  def generate_keys
+    private_key = OpenSSL::PKey::RSA.generate(2048)
+    self.public_key = private_key.public_key.to_s
+    self.private_key = private_key.to_s
+  end
+  
+  def registered?
+    !self.roaming_id.blank?
+  end
+  
 end