Update customer.rb

app/models/customer.rb

@@ -139,9 +139,10 @@ class Customer < ActiveRecord::Base
   # Push the updates
   def push
     begin
+      tries ||= 3
       get_base.update(@details)
     rescue
-      return nil
+      retry unless (tries -= 1).zero?
     end
   end
   
@@ -157,9 +158,10 @@ class Customer < ActiveRecord::Base
   # init details
   def get_details
     begin
+      tries ||= 3
       @details = get_customer(self.id)
     rescue
-      return nil
+      retry unless (tries -= 1).zero?
     end
   end