reduced bank_account_validator complexity

lib/kontoapi-rails/validators/bank_account_validator.rb

@@ -9,14 +9,7 @@ def validate(record)
       return true if stop?(record, account_number, bank_code, options)
       record.errors.add(:"#{options[:account_number_field]}", :invalid) unless KontoAPI::valid?( :ktn => account_number, :blz => bank_code )
     rescue Timeout::Error => ex
-      case options[:on_timeout]
-      when :fail
-        record.errors.add(:"#{options[:account_number_field]}", :timeout)
-      when :ignore
-        # nop
-      when :retry
-        raise 'not implemented yet'
-      end
+      handle_timeout(ex, record, options)
     end
 
     def change_method(record, field)
@@ -32,5 +25,16 @@ def stop?(record, account_number, bank_code, options)
       return true if options[:allow_nil] && (account_number.nil? || bank_code.nil?)
     end
 
+    def handle_timeout(ex, record, options)
+      case options[:on_timeout]
+      when :fail
+        record.errors.add(:"#{options[:account_number_field]}", :timeout)
+      when :ignore
+        # nop
+      when :retry
+        raise 'not implemented yet'
+      end
+    end
+
   end
 end