Algorithm validation for dnskey

app/models/dnskey.rb

@@ -1,3 +1,25 @@
 class Dnskey < ActiveRecord::Base
+  include EppErrors
+
   belongs_to :domain
+
+  validate :validate_algorithm
+
+  def epp_code_map
+    {
+      '2005' => [
+        [:alg, :invalid, { value: { obj: 'alg', val: alg } }]
+      ],
+      '2306' => [
+        [:ipv4, :blank]
+      ]
+    }
+  end
+
+
+  def validate_algorithm
+    return if %w(3 5 6 7 8 252 253 254 255).include?(alg.to_s)
+    errors.add(:alg, :invalid)
+    # , format: {with: /3|5|6/, message: :alg_invalid}
+  end
 end