[#4183] Updated HourlyDeliverable#total to calculate the estimated total

app/models/fixed_deliverable.rb

@@ -11,6 +11,10 @@ class FixedDeliverable < Deliverable
     'F'
   end
 
+  def total
+    read_attribute(:total) || 0.0
+  end
+
   # Hardcoded value used as a wrapper for the old Budget plugin API.
   #
   # The Overhead plugin uses this in it's calcuations.

app/models/hourly_deliverable.rb

@@ -14,11 +14,16 @@ class HourlyDeliverable < Deliverable
     'H'
   end
 
-  # Block getting and setting the total on HourlyDeliverables
   def total
-    nil
+    return 0 if contract.nil?
+    return 0 if contract.billable_rate.blank?
+    return 0 if labor_budgets.count == 0 && overhead_budgets.count == 0
+
+    hours = labor_budgets.sum(:hours) + overhead_budgets.sum(:hours)
+    return contract.billable_rate * hours
   end
   
+  # Block setting the total on HourlyDeliverables
   def total=(v)
     nil
   end