Basic domain renew

app/controllers/epp/commands_controller.rb

@@ -9,6 +9,10 @@ class Epp::CommandsController < ApplicationController
     send("create_#{OBJECT_TYPES[params_hash['epp']['xmlns:ns2']]}")
   end
 
+  def renew
+    send("renew_#{OBJECT_TYPES[params_hash['epp']['xmlns:ns2']]}")
+  end
+
   def check
     send("check_#{OBJECT_TYPES[params_hash['epp']['xmlns:ns2']]}")
   end

app/helpers/epp/domains_helper.rb

@@ -19,6 +19,23 @@ module Epp::DomainsHelper
     render '/epp/domains/check'
   end
 
+  def renew_domain
+    ph = params_hash['epp']['command']['renew']['renew']
+
+    @domain = Domain.find_by(name: ph[:name])
+    unless @domain
+      epp_errors << {code: '2303', msg: I18n.t('errors.messages.epp_domain_not_found'), value: {obj: 'domain', val: ph[:name]}}
+      render '/epp/error' and return
+    end
+
+    if @domain.renew(ph[:curExpDate], ph[:period])
+      render '/epp/domains/renew'
+    else
+      handle_errors
+      render '/epp/error'
+    end
+  end
+
   ### HELPER METHODS ###
   private
 

app/models/domain.rb

@@ -124,6 +124,16 @@ class Domain < ActiveRecord::Base
     errors.add(:admin_contacts, :blank) if admin_contacts.empty?
   end
 
+  def renew(cur_exp_date, period, unit='y')
+    if cur_exp_date == valid_to
+      valid_to = period.to_i.years
+    else
+      errors[:base] << {msg: I18n.t('errors.messages.epp_exp_dates_do_not_match'), obj: 'domain', val: cur_exp_date}
+    end
+
+    save
+  end
+
   class << self
     def check_availability(domains)
       domains = [domains] if domains.is_a?(String)

app/views/epp/domains/renew.xml.builder

@@ -0,0 +1,16 @@
+xml.epp_head do
+  xml.response do
+    xml.result('code' => '1000') do
+      xml.msg 'Command completed successfully'
+    end
+
+    xml.resData do
+      xml.tag!('domain:renData', 'xmlns:domain' => 'urn:ietf:params:xml:ns:domain-1.0') do
+        xml.tag!('domain:name', @domain[:name])
+        xml.tag!('domain:exDate', @domain.valid_to)
+      end
+    end
+
+    xml << render('/epp/shared/trID')
+  end
+end