Add Registrant User

app/models/registrant_user.rb

@@ -1,46 +1,8 @@
-require 'open3'
-
-# rubocop: disable Metrics/ClassLength
-class ApiUser < User
-  include EppErrors
-  def epp_code_map # rubocop:disable Metrics/MethodLength
-    {
-      '2306' => [ # Parameter policy error
-        [:password, :blank]
-      ]
-    }
-  end
-
-  # TODO: should have max request limit per day
-  belongs_to :registrar
-  has_many :certificates
-
-  validates :username, :password, :registrar, presence: true
-  validates :username, uniqueness: true
-
+class RegistrantUser < User
   attr_accessor :registrar_typeahead
 
   def ability
     @ability ||= Ability.new(self)
   end
   delegate :can?, :cannot?, to: :ability
-
-  after_initialize :set_defaults
-  def set_defaults
-    return unless new_record?
-    self.active = true unless active_changed?
-  end
-
-  def registrar_typeahead
-    @registrar_typeahead || registrar || nil
-  end
-
-  def to_s
-    username
-  end
-
-  def queued_messages
-    registrar.messages.queued
-  end
 end
-# rubocop: enable Metrics/ClassLength