From 86b613eb55caea9e89ecd68a8cd03447d6f6cd4b Mon Sep 17 00:00:00 2001
From: Thomas Gelf <thomas@gelf.net>
Date: Fri, 6 Nov 2015 09:50:06 +0100
Subject: [PATCH] SyncProperty: add source column helper methods

---
 library/Director/Objects/SyncProperty.php | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/library/Director/Objects/SyncProperty.php b/library/Director/Objects/SyncProperty.php
index 980cdc0d..ec916032 100644
--- a/library/Director/Objects/SyncProperty.php
+++ b/library/Director/Objects/SyncProperty.php
@@ -28,4 +28,18 @@ class SyncProperty extends DbObject
         $this->source_expression = '${' . $value . '}';
         return $this; 
     }
+
+    public function sourceIsSingleColumn()
+    {
+        return $this->getSourceColumn() !== null;
+    }
+
+    public function getSourceColumn()
+    {
+        if (preg_match('/^\${([A-Za-z0-9_-]+)}$/', $this->source_expression, $m)) {
+            return $m[1];
+        }
+
+        return null;
+    }
 }