[#4552] Add the Labor hours spent to the Deliverable details

app/models/deliverable.rb

@@ -86,6 +86,11 @@ class Deliverable < ActiveRecord::Base
       (overhead_budgets.sum(:hours) || 0.0)
   end
 
+  # OPTIMIZE: N+1
+  def labor_hours_spent_total(date=nil)
+    issues.inject(0) {|total, issue| total += issue.billable_time_spent } # From redmine_overhead
+  end
+  
   # OPTIMIZE: N+1
   def hours_spent_total
     issues.inject(0) {|total, issue| total += issue.spent_hours }

app/models/retainer_deliverable.rb

@@ -133,6 +133,19 @@ class RetainerDeliverable < HourlyDeliverable
     end
   end
 
+  def labor_hours_spent_total(date=nil)
+    case scope_date_status(date)
+    when :in
+      time_entries = issues.collect {|issue| issue.time_entries.all(:conditions => {:tyear => date.year, :tmonth => date.month}) }.flatten
+
+      billable_hours_on_time_entries(time_entries)
+    when :out
+      0
+    else
+      super
+    end
+  end
+
   def fixed_budget_total(date=nil)
     case scope_date_status(date)
     when :in