From 4c6ddb142d7a4a3299367453a76a688d1c80b5d8 Mon Sep 17 00:00:00 2001
From: Will Rossiter <will.rossiter@gmail.com>
Date: Fri, 26 Aug 2011 14:05:54 +1200
Subject: [PATCH] ENHANCEMENT: added isLatestVersion() method for checking
 whether a record is the latest version of this ID

---
 model/Versioned.php | 20 +++++++++++++++++++-
 1 file changed, 19 insertions(+), 1 deletion(-)

diff --git a/model/Versioned.php b/model/Versioned.php
index 2084a0411..3f741be46 100644
--- a/model/Versioned.php
+++ b/model/Versioned.php
@@ -952,6 +952,22 @@ class Versioned extends DataExtension {
 
 		return new $className($record);
 	}
+	
+	/**
+	 * Returns whether the current record is the latest one.
+	 *
+	 * @todo Performance - could do this directly via SQL.
+	 *
+	 * @see get_latest_version()
+	 * @see latestPublished
+	 *
+	 * @return bool
+	 */
+	function isLatestVersion() {
+		$version = self::get_latest_version($this->owner->class, $this->owner->ID);
+		
+		return ($version->Version == $this->owner->Version);
+	}
 
 	/**
 	 * Return the equivalent of a DataObject::get() call, querying the latest
@@ -1055,8 +1071,10 @@ class Versioned extends DataExtension {
 
 /**
  * Represents a single version of a record.
+ *
  * @package sapphire
  * @subpackage model
+ *
  * @see Versioned
  */
 class Versioned_Version extends ViewableData {
@@ -1092,4 +1110,4 @@ class Versioned_Version extends ViewableData {
 	function Published() {
 		return !empty( $this->record['WasPublished'] );
 	}
-}
+}
\ No newline at end of file