refactoring: made changes in code formatting

app/models/csync_record.rb

@@ -40,11 +40,15 @@ def dnskey
     key
   end
 
+  def destroy_all_but_last_one
+    domain.dnskeys.order(id: :desc).offset(1).destroy_all
+  end
+
   def process_new_dnskey
     return unless dnssec_validates?
 
     if dnskey.save
-      domain.dnskeys.order(id: :desc).offset(1).destroy_all
+      destroy_all_but_last_one
       finalize_and_notify
     else
       log.info "Failed to save DNSKEY. Errors: #{dnskey.errors.full_messages.join('. ')}"

app/models/domain.rb

@@ -169,25 +169,34 @@ def status_is_consistant
 
   validate :statuses_uniqueness
 
+  def resolver_generator(nameserver, do_validation, do_caching, dnssec)
+    resolver = Dnsruby::Resolver.new(nameserver: nameserver)
+    resolver.do_validation = do_validation
+    resolver.do_caching = do_caching
+    resolver.dnssec = dnssec
+    resolver
+  end
+
   def dnssec_security_level(stubber: nil)
     Dnsruby::Dnssec.reset
-    resolver = Dnsruby::Resolver.new(nameserver: Dnskey::RESOLVERS)
-    resolver.do_validation = true
-    resolver.do_caching = false
-    resolver.dnssec = true
+    resolver = resolver_generator(Dnskey::RESOLVERS, true, false, true)
     Dnsruby::Recursor.clear_caches(resolver)
     if Rails.env.staging?
-      Dnsruby::Dnssec.clear_trust_anchors
-      Dnsruby::Dnssec.clear_trusted_keys
-      Dnsruby::Dnssec.add_trust_anchor(Dnsruby::RR.create(ENV['trusted_dnskey']))
-    else
-      Dnsruby::Dnssec.add_trust_anchor(stubber.ds_rr) if stubber
+      clear_dnssec_trusted_anchors_and_keys
+    elsif stubber
+      Dnsruby::Dnssec.add_trust_anchor(stubber.ds_rr)
     end
     recursor = Dnsruby::Recursor.new(resolver)
     recursor.dnssec = true
     recursor.query(name, 'A', 'IN').security_level
   end
 
+  def clear_dnssec_trusted_anchors_and_keys
+    Dnsruby::Dnssec.clear_trust_anchors
+    Dnsruby::Dnssec.clear_trusted_keys
+    Dnsruby::Dnssec.add_trust_anchor(Dnsruby::RR.create(ENV['trusted_dnskey']))
+  end
+
   def statuses_uniqueness
     return if statuses.uniq == statuses
     errors.add(:statuses, :taken)