From bbc53700bd99667be201666c954f265cd1a34609 Mon Sep 17 00:00:00 2001
From: Matt Farnsworth <matt@perfectline.co>
Date: Thu, 19 Nov 2015 19:11:30 +0200
Subject: [PATCH] Story #108518226 - add IDN lookup method to support info and
 check features of EPP

---
 app/controllers/epp/domains_controller.rb |  2 +-
 app/models/domain.rb                      | 11 +++++++++++
 app/models/epp/domain.rb                  |  2 +-
 3 files changed, 13 insertions(+), 2 deletions(-)

diff --git a/app/controllers/epp/domains_controller.rb b/app/controllers/epp/domains_controller.rb
index 8426c8ccb..74ad6ae63 100644
--- a/app/controllers/epp/domains_controller.rb
+++ b/app/controllers/epp/domains_controller.rb
@@ -225,7 +225,7 @@ class Epp::DomainsController < EppController
 
   def find_domain
     domain_name = params[:parsed_frame].css('name').text.strip.downcase
-    @domain = Epp::Domain.where(name: domain_name).includes(registrant: :registrar).first
+    @domain = Epp::Domain.find_by_idn domain_name
 
     unless @domain
       epp_errors << {
diff --git a/app/models/domain.rb b/app/models/domain.rb
index 9845e8ac8..b8b7d55aa 100644
--- a/app/models/domain.rb
+++ b/app/models/domain.rb
@@ -334,6 +334,17 @@ class Domain < ActiveRecord::Base
     self[:name_dirty] = value
   end
 
+  # find by internationalized domain name
+  # internet domain name => ascii or puny, but db::domains.name is unicode
+  def self.find_by_idn(name)
+    domain = self.find_by_name name
+    if domain.blank? && name.include?('-')
+      unicode = SimpleIDN.to_unicode name # we have no index on domains.name_puny
+      domain = self.find_by_name unicode
+    end
+    domain
+  end
+
   def roid
     "EIS-#{id}"
   end
diff --git a/app/models/epp/domain.rb b/app/models/epp/domain.rb
index ffd525d9d..51601bd51 100644
--- a/app/models/epp/domain.rb
+++ b/app/models/epp/domain.rb
@@ -850,7 +850,7 @@ class Epp::Domain < Domain
           next
         end
 
-        if Domain.find_by(name: x)
+        if Domain.find_by_idn x
           res << { name: x, avail: 0, reason: 'in use' }
         else
           res << { name: x, avail: 1 }