Basic domain check command implementation

app/controllers/epp/commands_controller.rb

@@ -12,4 +12,9 @@ class Epp::CommandsController < ApplicationController
     type = OBJECT_TYPES[parsed_frame.css('create create').attr('schemaLocation').value]
     send("create_#{type}")
   end
+
+  def check
+    type = OBJECT_TYPES[parsed_frame.css('check check').attr('schemaLocation').value]
+    send("check_#{type}")
+  end
 end

app/helpers/epp/commands_helper.rb

@@ -1,6 +1,6 @@
 module Epp::CommandsHelper
-  def command_params
-    node_set = parsed_frame.css('epp command create create').children.select(&:element?)
+  def command_params_for type
+    node_set = parsed_frame.css("epp command #{type} #{type}").children.select(&:element?)
     node_set.inject({}) {|hash, obj| hash[obj.name.to_sym] = obj.text;hash }
   end
 end

app/helpers/epp/domains_helper.rb

@@ -4,8 +4,17 @@ module Epp::DomainsHelper
     render '/epp/domains/create'
   end
 
+  def check_domain
+    cp = command_params_for('check')
+    @domain = cp[:name]
+
+    render '/epp/domains/check'
+  end
+
+  ### HELPER METHODS ###
+
   def domain_params
-    cp = command_params
+    cp = command_params_for('create')
     {
       name: cp[:name],
       registrar_id: current_epp_user.registrar.try(:id),

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

@@ -1,3 +1,17 @@
 xml.epp_head do
-  xml.bla
+  xml.response do
+    xml.result('code' => '1000') do
+      xml.msg 'Command completed successfully'
+    end
+
+    xml.resData do
+      xml.tag!('domain:chkData', 'xmlns:domain' => 'http://www.nic.cz/xml/epp/domain-1.4', 'xsi:schemaLocation' => 'http://www.nic.cz/xml/epp/domain-1.4 domain-1.4.xsd') do
+        xml.tag!('domain:cd') do
+          xml.tag!('domain:name', @domain, 'avail' => 1)
+        end
+      end
+    end
+
+    xml << render('/epp/shared/trID')
+  end
 end

app/views/epp/shared/_trID.xml.builder

@@ -0,0 +1,4 @@
+xml.trID do
+  xml.clTRID params[:clTRID]
+  xml.svTRID @svTRID
+end