1 files changed, 11 insertions, 0 deletions
diff --git a/app/models/holiday.rb b/app/models/holiday.rb
index efa516e1c..2a697a7a2 100644
--- a/app/models/holiday.rb
+++ b/app/models/holiday.rb
@@ -32,6 +32,17 @@ class Holiday < ActiveRecord::Base
         date.wday == 0 || date.wday == 6 || holidays.include?(date)
     end
 
+    def Holiday.due_date_from(start_date, days, type_of_days)
+        case type_of_days
+        when "working"
+            Holiday.due_date_from_working_days(start_date, days)
+        when "calendar"
+            Holiday.due_date_from_calendar_days(start_date, days)
+        else
+            raise "Unexpected value for type_of_days: #{type_of_days}"
+        end
+    end
+
     # Calculate the date on which a request made on a given date falls due when
     # days are given in working days
     # i.e. it is due by the end of that day.