Refactor: extract methods to a module and class helper, dollarized_attribute

app/models/deliverable.rb

@@ -21,6 +21,8 @@ class Deliverable < ActiveRecord::Base
   validates_presence_of :manager
   
   # Accessors
+  include DollarizedAttribute
+  dollarized_attribute :total
 
   delegate :name, :to => :contract, :prefix => true, :allow_nil => true
 
@@ -53,14 +55,6 @@ class Deliverable < ActiveRecord::Base
     self.class.to_s.underscore
   end
 
-  def total=(v)
-    if v.is_a? String
-      write_attribute(:total, v.gsub(/[$ ,]/, ''))
-    else
-      write_attribute(:total, v)
-    end
-  end
-
   def labor_budget_total(date=nil)
     labor_budgets.sum(:budget)
   end