Refactor domain expiration email

#186

app/presenters/domain_presenter.rb

@@ -0,0 +1,33 @@
+class DomainPresenter
+  delegate :name, :registrant_name, to: :domain
+
+  def initialize(domain:, view:)
+    @domain = domain
+    @view = view
+  end
+
+  def on_hold_date
+    view.l(domain.on_hold_time, format: :date) if domain.on_hold_time
+  end
+
+  def delete_date
+    view.l(domain.delete_time, format: :date) if domain.delete_time
+  end
+
+  def admin_contact_names
+    domain.admin_contact_names.join(', ')
+  end
+
+  def tech_contact_names
+    domain.tech_contact_names.join(', ')
+  end
+
+  def nameserver_names
+    domain.nameserver_hostnames.join(', ')
+  end
+
+  private
+
+  attr_reader :domain
+  attr_reader :view
+end