Refactor Service validate organisation

app/models/service.rb

@@ -18,20 +18,18 @@ class Service < ActiveRecord::Base
   validates :member, presence: true
   validates :login, presence: true
   validates :login, uniqueness: true
-
   validates :ipv4, presence: {if: :active, message: I18n.t('services.should_have_ipv4_if_active')}
   validates :ipv4, allow_nil: true, uniqueness:  true
-
-  validate :login_format
   validates :ipv4, format: { with: Resolv::IPv4::Regex }, allow_nil: true
 
   validate :expired_at, presence: true
+  validate :login_format
   validate :expiration_date_cannot_be_in_the_past
   validate :ipv4_must_be_under_the_network_range
   validate :ipv4_should_not_be_the_first_in_the_network_range
-
   validate :active, presence: true
 
+
   def amount
     @amount
   end