Refactor

app/controllers/concerns/epp/common.rb

@@ -15,19 +15,7 @@ module Epp::Common
   end
 
   def get_params_hash(path)
-    node_set = parsed_frame.css(path).children.select{ |x| x.element? && x.element_children.empty? }
-
-    node_set.inject({}) do |hash, obj|
-      #convert to array if 1 or more attributes with same name
-      if hash[obj.name.to_sym] && !hash[obj.name.to_sym].is_a?(Array)
-        hash[obj.name.to_sym] = [hash[obj.name.to_sym]]
-        hash[obj.name.to_sym] << obj.text.strip
-      else
-        hash[obj.name.to_sym] = obj.text.strip
-      end
-
-      hash
-    end
+    Hash.from_xml(parsed_frame.css(path).to_xml).with_indifferent_access
   end
 
   def epp_session

app/controllers/epp/commands_controller.rb

@@ -10,12 +10,14 @@ class Epp::CommandsController < ApplicationController
 
   private
   def create
-    type = OBJECT_TYPES[parsed_frame.css('create create').attr('schemaLocation').value]
+    ph = get_params_hash('create create')[:create]
+    type = OBJECT_TYPES[ph[:schemaLocation]]
     send("create_#{type}")
   end
 
   def check
-    type = OBJECT_TYPES[parsed_frame.css('check check').attr('schemaLocation').value]
+    ph = get_params_hash('check check')[:check]
+    type = OBJECT_TYPES[ph[:schemaLocation]]
     send("check_#{type}")
   end
 end

app/controllers/epp/sessions_controller.rb

@@ -27,7 +27,7 @@ class Epp::SessionsController < ApplicationController
   ### HELPER METHODS ###
 
   def login_params
-    login_params = parsed_frame.css('epp command login')
-    { username: login_params.css('clID').text, password: login_params.css('pw').text }
+    ph = get_params_hash('epp command login')[:login]
+    { username: ph[:clID], password: ph[:pw] }
   end
 end

app/helpers/epp/contacts_helper.rb

@@ -1,13 +1,5 @@
 module Epp::ContactsHelper
   def create_contact
-    ccp = contact_create_params
-  end
-
-  ### HELPER METHODS ###
-
-  def contact_create_params
-    {
-      addr: get_params_hash('epp command create create postalInfo addr')
-    }
+    cp = Hash.from_xml(parsed_frame.css("epp command create create").to_xml).with_indifferent_access
   end
 end

app/helpers/epp/domains_helper.rb

@@ -5,28 +5,23 @@ module Epp::DomainsHelper
   end
 
   def check_domain
-    @domains = Domain.check_availability(domain_check_params[:names])
+    ph = get_params_hash('epp command check check')[:check]
+    @domains = Domain.check_availability(ph[:name])
     render '/epp/domains/check'
   end
 
   ### HELPER METHODS ###
 
   def domain_create_params
-    node_set = parsed_frame.css("epp command create create").children.select(&:element?)
-    command_params = node_set.inject({}) {|hash, obj| hash[obj.name.to_sym] = obj.text;hash }
+    ph = get_params_hash('epp command create create')[:create]
 
     {
-      name: command_params[:name],
+      name: ph[:name],
       registrar_id: current_epp_user.registrar.try(:id),
       registered_at: Time.now,
       valid_from: Date.today,
-      valid_to: Date.today + command_params[:period].to_i.years,
-      auth_info: command_params[:authInfo]
+      valid_to: Date.today + ph[:period].to_i.years,
+      auth_info: ph[:authInfo]
     }
   end
-
-  def domain_check_params
-    node_set = parsed_frame.css('epp command check check name')
-    node_set.inject({names: []}){ |hash, obj| hash[:names] << obj.text; hash }
-  end
 end

app/models/domain.rb

@@ -20,6 +20,8 @@ class Domain < ActiveRecord::Base
 
   class << self
     def check_availability(domains)
+      domains = [domains] if domains.is_a?(String)
+
       res = []
       domains.each do |x|
         if !DomainNameValidator.validate(x)