mlanthaler: Bugfix: Make sure *Priority* is set, otherwise an invalid SQL statement will be generated when the page is published (Priority = ).

(merged from branches/gsoc)


git-svn-id: svn://svn.silverstripe.com/silverstripe/open/modules/sapphire/trunk@41818 467b73ca-7a2a-4603-9d3b-597d59a354a9

core/model/SiteTree.php

@@ -1,4 +1,5 @@
 <?php
+
 /**
  * @package sapphire
  * @subpackage core
@@ -490,6 +491,12 @@ class SiteTree extends DataObject {
 			}
 		}
 
+
+		// If priority is empty or invalid, set it to the default value
+		if(!is_numeric($this->Priority) ||
+			 (($this->Priority < 0) || ($this->Priority > 1)))
+			$this->Priority = self::$defaults['Priority'];
+
 		parent::onBeforeWrite();
 	}