From 27898476d87f25c45e23f4aa0a7c2d5ca1b3f734 Mon Sep 17 00:00:00 2001
From: Danae Miller-Clendon <danae.millerc@gmail.com>
Date: Fri, 6 Oct 2017 12:11:53 +1300
Subject: [PATCH] Add Subsite support by ensuring the host matches correctly to
 the current Subsite domain and protocol

---
 code/extensions/GoogleSitemapExtension.php | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/code/extensions/GoogleSitemapExtension.php b/code/extensions/GoogleSitemapExtension.php
index ac5907c..0394d17 100644
--- a/code/extensions/GoogleSitemapExtension.php
+++ b/code/extensions/GoogleSitemapExtension.php
@@ -18,6 +18,15 @@ class GoogleSitemapExtension extends DataExtension
 
         if ($this->owner->hasMethod('AbsoluteLink')) {
             $hostHttp = parse_url(Director::protocolAndHost(), PHP_URL_HOST);
+
+            // Subsite support
+            if (class_exists('Subsite')) {
+                // Subsite will have a different domain from Director::protocolAndHost
+                if ($subsite = Subsite::currentSubsite()) {
+                    $hostHttp = parse_url(Director::protocol() . $subsite->getPrimaryDomain(), PHP_URL_HOST);
+                }
+            }
+
             $objHttp = parse_url($this->owner->AbsoluteLink(), PHP_URL_HOST);
 
             if ($objHttp != $hostHttp) {