First version of new preview. Only plain text

app/models/preview.rb

@@ -0,0 +1,25 @@
+class Preview
+  include Mongoid::Document
+  include Mongoid::Timestamps
+
+  field :object, :type => Hash
+  field :preview_at_link
+  field :expired_at , :type => DateTime
+  field :link_args, :type => Array
+  field :object_class_type
+  
+  def get_arg_hash
+    object.slice(*link_args).inject({}){|la,(k,v)| la[k.to_sym] = v; la}
+  end
+
+  def get_preview_link
+    ap = Rails.application.routes.url_helpers
+    ap.send preview_at_link,({:id=>id,:preview=>true}.merge get_arg_hash)
+    #func = eval("Rails.application.routes.url_helpers.#{preview_at_link}").send 
+  end
+
+  def get_virtual_object
+    eval(self.object_class_type).new object
+  end
+
+end