From d4cc737878c3e9c17697de37eb2c9c19bf382b80 Mon Sep 17 00:00:00 2001
From: Gordon Anderson <gordon.b.anderson@gmail.com>
Date: Wed, 6 Mar 2013 15:50:41 +0700
Subject: [PATCH] ENHANCEMENT: Added gravatar method to get the URL for the
 gravatar from the email address submitted with the comment

---
 code/dataobjects/Comment.php | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/code/dataobjects/Comment.php b/code/dataobjects/Comment.php
index 518403f..582e3ee 100755
--- a/code/dataobjects/Comment.php
+++ b/code/dataobjects/Comment.php
@@ -394,4 +394,17 @@ class Comment extends DataObject {
 		$config->set('URI.DisableExternalResources', true);
 		return new HTMLPurifier($config);
 	}
+
+	/*
+	Calcualate the gravatar link from the email address
+	*/
+	public function Gravatar() {
+		$gravatar = '';
+		$use_gravatar = Commenting::get_config_value($this->BaseClass, 'use_gravatar');
+		if ($use_gravatar) {
+			$gravatar = "http://www.gravatar.com/avatar/" . md5( strtolower(trim($this->Email)));
+		}
+
+		return $gravatar;
+	}
 }