From 9611ea1f70ccfa577168d85bf0b854840423ee29 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?R=C3=A9mi=20Gaillard?= <remi.gaillard@prestashop.com>
Date: Thu, 31 Oct 2013 11:22:40 +0100
Subject: [PATCH] [-] BO: Fix empty group list on changing opt or newsletter on
 customers listing

---
 classes/Customer.php | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/classes/Customer.php b/classes/Customer.php
index f8a01c5ce..431d217e6 100644
--- a/classes/Customer.php
+++ b/classes/Customer.php
@@ -589,9 +589,11 @@ class CustomerCore extends ObjectModel
 	 */
 	public function updateGroup($list)
 	{
-		$this->cleanGroups();
 		if ($list && !empty($list))
+		{
+			$this->cleanGroups();
 			$this->addGroups($list);
+		}
 		else
 			$this->addGroups(array($this->id_default_group));
 	}
@@ -606,7 +608,7 @@ class CustomerCore extends ObjectModel
 		foreach ($groups as $group)
 		{
 			$row = array('id_customer' => (int)$this->id, 'id_group' => (int)$group);
-			Db::getInstance()->insert('customer_group', $row);
+			Db::getInstance()->insert('customer_group', $row, false, true, Db::INSERT_IGNORE);
 		}
 	}