Refactor domain expiration email

#186

app/models/concerns/domain/expirable.rb

@@ -0,0 +1,31 @@
+module Concerns::Domain::Expirable
+  extend ActiveSupport::Concern
+
+  included do
+    alias_attribute :expire_time, :valid_to
+  end
+
+  class_methods do
+    def expired
+      where("#{attribute_alias(:expire_time)} <= ?", Time.zone.now)
+    end
+  end
+
+  def registered?
+    valid_to >= Time.zone.now
+  end
+
+  def expired?
+    statuses.include?(DomainStatus::EXPIRED)
+  end
+
+  def expirable?
+    return false if valid_to > Time.zone.now
+
+    if expired? && outzone_at.present? && delete_at.present?
+      return false
+    end
+
+    true
+  end
+end

app/models/contact.rb

@@ -250,6 +250,13 @@ class Contact < ActiveRecord::Base
       kit.to_pdf
     end
 
+    def names
+      pluck(:name)
+    end
+
+    def emails
+      pluck(:email)
+    end
   end
 
   def roid

app/models/domain.rb

@@ -3,12 +3,16 @@ class Domain < ActiveRecord::Base
   include UserEvents
   include Versions # version/domain_version.rb
   include Statuses
+  include Concerns::Domain::Expirable
   has_paper_trail class_name: "DomainVersion", meta: { children: :children_log }
 
   attr_accessor :roles
 
   attr_accessor :legal_document_id
 
+  alias_attribute :on_hold_time, :outzone_at
+  alias_attribute :delete_time, :delete_at
+
   # TODO: whois requests ip whitelist for full info for own domains and partial info for other domains
   # TODO: most inputs should be trimmed before validatation, probably some global logic?
 
@@ -746,6 +750,21 @@ class Domain < ActiveRecord::Base
     DomainMailer.send(action, DomainMailModel.new(self).send(action)).deliver
   end
 
+  def admin_contact_names
+    admin_contacts.names
+  end
+
+  def admin_contact_emails
+    admin_contacts.emails
+  end
+
+  def tech_contact_names
+    tech_contacts.names
+  end
+
+  def nameserver_hostnames
+    nameservers.hostnames
+  end
 
   def self.to_csv
     CSV.generate do |csv|

app/models/nameserver.rb

@@ -18,7 +18,7 @@ class Nameserver < ActiveRecord::Base
   before_validation :normalize_attributes
   before_validation :check_puny_symbols
   before_validation :check_label_length
-  
+
   delegate :name, to: :domain, prefix: true
 
   def epp_code_map
@@ -117,5 +117,9 @@ class Nameserver < ActiveRecord::Base
       # ignoring ips
       rel
     end
+
+    def hostnames
+      pluck(:hostname)
+    end
   end
 end