fix create domain form, validation

app/controllers/ns_controller.rb

@@ -3,6 +3,7 @@ class NsController < ApplicationController
     conf.list.columns = [:name, :type, :content, :ttl, :prio, :change_date]
     conf.create.columns = [:name, :content, :ttl]
     conf.update.columns = [:name, :content, :ttl]
+    conf.subform.columns = [:content, :ttl]
     conf.columns[:content].label = 'NS'
     conf.columns[:change_date].list_ui = :timestamp
     conf.actions.exclude :show

app/models/soa.rb

@@ -7,9 +7,10 @@
 # Obtained from http://www.zytrax.com/books/dns/ch8/soa.html
 #
 class SOA < Record
-  validates :domain_id, :presence => true, :uniqueness => true # one SOA per domain
+  validates :domain, :presence => true
+  validates :domain_id, :uniqueness => true # one SOA per domain
   validates :name, :presence => true, :hostname => true
-  validate  :name_equals_dmain_name?
+  validate  :name_equals_domain_name?
   validates :content, :presence => true
   validates :primary_ns, :presence => true
   CONTACT_FORMAT = /\A[a-zA-Z0-9\-\.]+@[a-zA-Z0-9-]+\.[a-zA-Z.]{2,6}\z/
@@ -74,7 +75,7 @@ class SOA < Record
     update_serial if @serial.nil? || @serial.zero?
   end
   
-  def name_equals_dmain_name?
+  def name_equals_domain_name?
     unless name == domain.name
       errors.add :name, "must be equal to domain's name"
     end